223results about How to "High content of organic selenium" patented technology

The invention discloses nutritional health-care fine dried noodles which are developed with suaeda salsa, stigma maydis and Chinese herbal medicines such as the root of kudzu vine, gynostemma pentaphyllum, cortex phellodendri, dandelions, cornus officinalis, radix rehmanniae preparata, herba portulacae, herba houttuyniae, licorice root and stevia rebaudiana as raw materials and have the effects of reducing blood lipid and blood pressure, improving organism immunity, beautifying the face and clearing away toxins, resisting fatigue and the like. The fine dried noodles contain rich functional activated substances such as suaeda salsa and amino acid, polypeptides, water-soluble dietary fibers, ferulic acid, active polysaccharides, saponin and flavone in the Chinese herbal medicines. The fine fried noodles have the advantages that compatibility of suaeda salsa and the Chinese herbal medicines is scientific, functional components in the Chinese herbal medicines are extracted through the technologies including ultrasonic secondary crushing, enzymolysis combined compound microorganism degradation and microwave assisted extraction method, the content of organic selenium in the product is increased, the nutritional healthy functions of the product are remarkably improved, and market prospects are wide.

The present invention relates to a production method of feed additive containing selenium-enriched probiotics and its product. Said production method includes the following steps: using torula yeast and acidophilous lactobacillus as strain, mixing them according to the ratio of 1:4 and inoculating them into culture containing sodium selenite, adding organic selenium transformation accelerator and making culture for 36 hr so as to obtain the invented product. In said product the CFU numbers of torula yeast and acidophilous lactobacillus respectively are 10 to the power 9 / g and 10 to the power 11 / g, selenium content is 50 mg / kg, in which organic selenium content is above 90%, and selenomethionine content is above 75%. It can obviously raise animal immunological function and resistance to disease.

The invention provides an angelica dahurica planting method. The method comprises the following steps: soil preparation, sowing, field management, pest prevention, harvesting, processing, seed reserving for planting and the others. According the method, during sowing, a planting matrix is used for cave filling, plant ash is adopted to cover the matrix, and then a piece of crape covers the matrix, so that the germination rate is higher, the pest diseases are few, the planted angelica dahurica is high in organic selenium content, and the average yield of the angelica dahurica can reach 570.8 kg, the quality of the angelica dahurica is obviously improved, and angelica dahurica with top quality can reach 40 percent.

The invention discloses a method for cultivating organic selenium-enriched rice. The method is characterized by comprising the following steps of: respectively preparing selenium-enriched seedling cultivating matrixes and selenium-enriched organic and inorganic special fertilizers by taking selenium-containing flax cakes as a selenium source, utilizing the selenium-enriched seedling cultivating matrixes in the seedling cultivation of rice, and respectively applying the selenium-enriched organic and inorganic special fertilizers as a base fertilizer and additional fertilizer before transplanting seedlings of the rice and before the farmland rest at the last phase of tillering of the rice. According to the method for cultivating the organic selenium-enriched rice, disclosed by the invention, conventional methods in which selenium-containing solution or selenium-containing leaf surface fertilizer is sprayed at a flowering phase and a seed phase of rice in the current selenium-enriched rice production or the selenium-containing solution is added in a rice processing procedure are changed, unsafe factors in the production of the selenium-enriched rice are avoided, and the production ofthe selenium-enriched rice is economical, efficient and pollution-free.

A Se-enriched plant growth regulator is an aqueous product prepared from the sodium (potassium or ammonium) selenate (or selenite) and the sodium (potassium or ammonium) salt of 5-nitroguaiacol, 2,4-dinitrophenol, or catechol. Its advantages are high chemical and physical stability, and high effect on increasing the content of organoselenium in grains of crops and promoting photosynthesis.

The invention discloses a method for culturing pleurotus geesteranus uniformly rich in selenium by using a mixed selenium source. The method is characterized by comprising steps of: mixing selenium-enriched culture material additive in an amount which is 1 to 10 percent of the total weight of a dry culture material in the dry culture material, and culturing according to the common culture method to obtain the pleurotus geesteranus uniformly rich in selenium, wherein the selenium-enriched culture material additive has the total selenium content of 5 to 300mg / kg; the particles with the particle size of 0.005 to 5.0mm in the selenium-enriched culture material additive are in multi-particle-size regional distribution, and particles with the particle size of 1.0 to 5.0mm at least account for 10 percent of the total weight of the additive; particles with the particle size of 0.005 to 0.1mm at least account for 40 percent of the total weight of the additive; the mixed selenium source is a mixture of an organic selenium source and an inorganic selenium source; the inorganic selenium source is one or a combination of two of sodium selenate and sodium selenite; and the organic selenium source is selenious yeast. The pleurotus geesteranus prepared by the method has high utilization rate and stable selenium content in different batches; in addition, by the method, selenium pollution is avoided, and the method is easy to operate and easy to promote.

The invention discloses a selenium-rich yeast (Saccharomyces cerevisiae) GABC 103 strain which is submitted to be preserved in the China Center for Type Culture Collection, and the serial number is CCTCC M 2011474. The invention also discloses a method for obtaining selenium-rich yeast hydrolysate by utilizing the selenium-rich yeast through fermentation and enzymolysis. The method is simple to operate and low in cost; the organic selenium of per kg of selenium-rich yeast hydrolysate is 1,000-4,000mg and accounts for 92-99% of the total weight of selenium, the content of alpha-amino nitrogen is 2.0-3.0 wt%, so that the selenium-rich yeast and the selenium-rich yeast hydrolysate can be digested and absorbed by animals easily, under the condition of equal volume of addition, the production efficiency is remarkably superior to that of similar products, or the volume of addition can be reduced under the condition of the same production efficiency, and further, the cost is reduced.

The invention discloses high-selenium wheat. According to the high-selenium wheat, 5-150mg / kg of selenium and organic selenium being more than or equal to 70% are contained in the grains of wheat. The invention also discloses a production method of the high-selenium wheat, which is as follows: the high-selenium wheat is obtained by applying 15-30kg of nano selenium plant nutrient agents in each mu of soil during the sowing period, the wintering period, the period of seedling establishment, the elongation period and the pustulation period. The nano selenium plant nutrient agents are produced by Suzou SeTek Technology Co. Ltd. According to the high-selenium wheat, the selenium content is extremely high, the selenium mainly exists in an organic selenium form so as to be beneficial to the absorption of people or animals, the standardization of the selenium content is high, the demands of industrial production can be met, and the selenium content in a preliminarily processed product is stable.

The invention provides an aquaculture method of a high-quality and high-yield clear water grass carp. The aquaculture method comprises the following concrete steps: (1) building a pond; (2) carrying out pre-treatment on the pond; (3) stocking fries; (4) feeding feed; (5) regulating and controlling water quality; (6) preventing and treating diseases; and (7) fishing in good time. By adopting the aquaculture method provided by the invention, fish flesh quality of the grass carp is improved after the grass carp is cultured for two years, content of fibers and proteins in the fish flesh is greatly increased, the fish flesh is tender and crisp, and the fish flesh is boilproof and does not break and taste is delicious and refreshing, so that high-quality grass carp with crisp flesh is obtained; besides, by virtue of reasonable distribution of feed, on one hand, the fish flesh quality of the grass carp is hard, crisp and tasty and the fish flesh is delicious and refreshing in taste, and on the other hand, the feed adopts Se-enriched feed, organic selenium content of a feedstuff fish is increased, digestive absorption of the grass carp to selenium is promoted. Compared with common grass carp, selenium content of the grass carp cultured by adopting the method is 10 times that of the common grass carp, health function is obviously enhanced, and immunity of a human body can be enhanced.

The invention provides a culture medium for selenium-rich organic edible fungi, which is mainly prepared from the following raw materials in parts by mass: 60-90 parts of culture main material, 10-25 parts of carbon organic fertilizer, 1-5 parts of selenium-rich nutrient element, 1-6 parts of root irrigation culture agent, 0.2-0.5 part of compound probiotic fertilizer and 0.1-0.5 part of plant growth promoter. The method for culturing selenium-rich organic edible fungi by using the culture medium comprises the following steps: mixing the plant growth promoter and compound probiotic fertilizer, and dissolving in water to prepare a liquid; mixing the rest raw materials, adding the liquid, and fermenting to obtain the culture medium; and uniformly mixing a strain with the culture medium for inoculation, culturing for 10-15 days until the hypha are overgrown, and reinoculating the hypha. The culture medium has the advantages of reasonable component proportioning and high growth speed of hypha.

The invention discloses a Candida utilis strain and application of the same in preparation of selenium-rich yeast products. The accession number of Candida utilis S1204 provided by the invention is CCTCC No: M2012216. The application of the Candida utilis S1204 in preparation of selenium-rich yeast products is also in the scope of protection of the invention. According to results of experiments in the invention, a bred novel strain of the Candida utilis S1204 has strong capability in selenium transfer and selenium enrichment during high biomass fermentation and can be used for preparing selenium-rich yeast products.

The invention discloses a preparation method of an organic-Se nutrient solution for crops. According to the method, bacillus subtilis is adopted to perform fermentation treatment on Se-enriched yeast, the Se-enriched yeast is hydrolyzed by the aid of protease produced in the metabolic process of the bacillus subtilis, a Se-enriched hydrolysate is obtained, and the organic-Se nutrient solution for the crops is prepared. The invention further discloses the organic-Se nutrient solution applied to the crops and produced with the preparation method of the organic-Se nutrient solution for the crops as well as an application of the organic-Se nutrient solution for the crops. With the adoption of the preparation method, all raw materials are sufficiently and reasonably utilized, complete and sufficient utilization of the raw materials is realized, no residues and residual liquids are produced, and environmental pollution is avoided; the content of organic-Se in the prepared organic-Se nutrient solution for the crops is high, the organic-Se exists in modes of Se substituted amino acid and short peptide, plant absorption is facilitated, and the content of the organic-Se in agricultural products can be remarkably increased.

The invention discloses a method for culturing organic selenium-enriched watermelons. The method is characterized in that flax cakes containing selenium are served as a selenium source for preparing a selenium-enriched growing medium and special selenium-enriched organic and inorganic fertilizers, wherein the selenium-enriched growing medium is used at the watermelon breeding stage, and the special selenium-enriched organic and inorganic fertilizers are used as base fertilizers before the watermelon transplantation, and used as topdressings during the fruit expanding period. According to the invention, the common method that the selenium-containing solution or the selenium-containing foliage fertilizer is mainly sprayed during the fruit expanding period in the current selenium-enriched watermelon production is changed, the unsafe factors existing in the production of the selenium-enriched watermelons are avoided, and the method is economical, effective and pollution-free, and has positive significances in improving the selenium level of crowds and preventing and curing diseases.

The invention relates to an organic fertilizer for producing selenium-rich Siraitia grosvenorii. The organic fertilizer consists of the following components in percentages by weight: 30% to 40% of sheep manure, 15% to 20% of plant ash, 8% to 10% of biochemical yellow humic acid, 2% to 5% of diatomite, 2% to 5% of selenium ore powder, 5% to 8% of modified urea, 1% to 2% of potassium sulphate, 4% to 6% of calcium superphosphate, 8% to 15% of magnesium sulfate, 8% to 15% of boric acid, 2% to 5% of water-retaining agent and 5% to 6% of bacillus subtilis and yeast mixed bacteria. Moreover, the invention also provides a preparation method of the organic fertilizer for producing selenium-rich Siraitia grosvenorii and a use method thereof. The organic fertilizer has the beneficial effects that the organic fertilizer is low in cost, simple and convenient in operation, once root application is needed in the whole period of duration, the labor production cost is reduced, the produced Siraitia grosvenorii is safe in quality and high in content of organic selenium, and the organic fertilizer and the preparation method and the use method thereof can be widely applied in selenium-shortage areas or selenium-rich areas.

The invention discloses a method for improving the content of chromium and selenium of farm products, which comprises a method for producing a selenium-rich and chromium-rich organic fertilizer solution and a method for fertilizing crops, wherein a process of the method for producing the selenium-rich and chromium-rich organic fertilizer solution comprises the steps of mixing chromium glycine, sodium selenite and an organic fertilizer solution according to certain proportion, fully stirring the mixture, and then fermenting the mixture for certain time at the temperature of between 20 and 25 DEG C to obtain the selenium-rich and chromium-rich organic fertilizer solution; and the method for fertilizing the crops comprises the steps of diluting the selenium-rich and chromium-rich organic fertilizer solution by adding water with certain proportion, and then evenly spraying the diluted selenium-rich and chromium-rich organic fertilizer solution on leaves of the crops at different growth periods of the crops according to different crop varieties. After the method is implemented, the content of organic chromium and organic selenium of the farm products can be improved by between 10 and 15 times, the content of the chromium of the obtained farm products is between 0.21 and 0.52vg, and the content of the selenium is between 0.15 and 0.42vg. The method for improving the content of the chromium and the selenium of the farm products has simple and convenient operations, and is economical and practical.

The invention discloses a high-selenium liquid culture method for pleurotus eryngii. The method comprises the following steps of: (1) inoculating pleurotus eryngii strains into a PDA (Potato Dextrose Agar) comprehensive culture medium to perform test tube strain culture to obtain initial flora suspension; (2) mixing a selenium source and the PDA comprehensive culture medium to prepare selenium-containing culture mediums with gradient selenium concentrations respectively; sterilizing the selenium-containing culture mediums; inoculating the pleurotus eryngii strains into the sterilized selenium-containing culture mediums in a flora suspension inoculation mode to perform selenium-tolerant culture at the selenium concentrations one by one in the conventional pleurotus eryngii strain culture mode in an order from low to high of the selenium concentration, wherein the flora suspension used in the primary selenium-tolerant culture is initial flora suspension, the flora suspension adopted by the subsequent selenium-tolerant culture is the flora suspension used for performing the selenium-tolerant culture at the current selenium concentration, and the like; and the best selenium tolerance concentration of the pleurotus eryngii and the highly selenium-tolerant pleurotus eryngii strains are obtained; and (3) performing fermentative culture on the highly selenium-tolerant pleurotus eryngii strains obtained by the step (2). After the highly selenium-tolerant culture of the pleurotus eryngii strains, the tolerance against selenium content in a culture medium is greatly improved in the state of liquid submerged culture.

The invention discloses a method for cultivating high-selenium corn and a method for preparing nutrition powder of the high-selenium corn. According to the method for cultivating the high-selenium corn, firstly the variety of the corn is selected, the land is selected and prepared, the corn is planted, and organic selenium is sprayed in the heading period, the formation period of grains and the milk-ripe period at a time respectively. The method for preparing the nutrition powder of the high-selenium corn comprises the steps that husks and germs of the high-selenium corn are removed, then the corn is milled and smashed at a low speed of 1400r / min to obtain corn powder, amylase enzymolysis, protease enzymolysis and vacuum spraying drying are conducted in sequence, and then the high-selenium corn powder is mixed with a composite nutrient to obtain the nutrition powder of the high-selenium corn. By means of the method for cultivating the high-selenium corn and the method for preparing the nutrition powder of the high-selenium corn, the selenium content of the high-selenium corn can reach more than 4mg / kg and is stable. The rich-selenium cultivation method is easy to operate, is low in cost, has certain generalization performance and can process and prepare the nutrition powder of the high-selenium corn. The nutrition powder of the high-selenium corn has high organic selenium content and balanced nutrition, and plays a role in regulating the nutrition of the youth and the old.

The invention provides a planting method of selenium-enriched organic tomatoes. The planting method of the selenium-enriched organic tomatoes comprises the following steps of (1), adopting a selenium-enriched seedling raising substrate during the seedling raising of tomatoes, wherein the sowing density is that 150 to 250 seedlings are raised per square meter; covering the seedlings with the seedling raising substrate at a thickness of 0.3 to 0.8 centimeters; (2), before the seedlings of the tomatoes are transplanted, first applying special selenium-enriched organic and inorganic fertilizers as base fertilizers, wherein an application amount is 100 to 150 kilograms per mu; (3), applying the special selenium-enriched organic and inorganic fertilizers as additional fertilizers during the blooming and fruit bearing periods of plants of the tomatoes, wherein an application amount is 100 to 120 kilograms per mu. After the treatment of the above steps, the selenium-enriched organic tomatoes are obtained after the tomatoes mature. According to the planting method of the selenium-enriched organic tomatoes, based on the growth characteristics of the tomatoes, the nutrient proportion of NPK (Nitrogen, Phosphorus and Potassium) and the content of a selenium fertilizer are reasonably adjusted; suitable and balanced nutrients of the NPK are provided for a crop; a well-rotten organic fertilizer and the like are added to increase the stress resistance of the crop, improve photosynthesis, stimulate root development, and promote the growth and the conversion and the absorption, for selenium, of the crop, so as to achieve the purpose of saving the fertilizers, decreasing cost and increasing the quality of the tomatoes.

The invention discloses a cultivating method for selenium-rich feed and a selenium-rich abalone. The total selenium content of the selenium-rich abalone is 200 to 1500 Mug / kg, wherein the organic selenium content is greater than or equal to 80 percent. The cultivating method for the selenium-rich abalone comprises the steps that the organic-selenium-rich feed is fed to the abalone every day, wherein the organic-selenium-rich feed comprises following components by weight part: 2 to 6 weight parts of ground high-selenium corn flour, 1 to 5 weight parts of ground high-selenium wheat flour, 1 to 5 weight parts of ground high-selenium soybean flour, and 89 to 98 weight parts of conventional abalone feed; and the selenium content of the organic-selenium-rich feed is in the range of 300 mu g / kg to 1000 mu g / kg. The abalone cultivated by using the cultivating method is rich in selenium elements and integrally has a uniform selenium content; and the cultivating method disclosed by the invention has the advantages that the selenium content and the organic selenium proportion of an edible part of the abalone are increased and standardized large-scale production can be realized.

The invention mainly relates to the technical field of breeding, and discloses a method for breeding selenium-rich Xinghua broilers. The method comprises the steps of hatching egg hatching, chicken water drinking, chicken feeding and adult chicken management. The method is simple, the hatchability is 91%, the survival rate reaches 94%, the organic selenium content of chicken is 21.34 microgram / 100 g, the marketing period is shortened by 16-20 days, economic income is increased by 13.2%, meat is delicious, nutrients are balanced, absorption is easy, and the human body immunity is enhanced. When hatching eggs are hatched, a sodium selenite solution is sprayed to keep hatching humidity, the organic selenium content in chickens is increased, embryo vigor is enhanced, and the hatchability is increased. In the chicken breeding process, the chickens drink chicken liquid and fed with chicken feed, nutrition is rich, digestive absorption is promoted, the organic selenium content in the chicken is increased, the disease resisting capacity is improved, and the survival rate is increased. Adult chickens are fed with chicken feed and adult chicken water, nutrition is balanced, the organic selenium content is rich, digestive absorption is fast, the sick rate is reduced to 4%, and the economic income is increased.

The organic selenium derived from aspergillus oryzae and a preparation method thereof of the present invention belong to the field of food and health product additives. The organic selenium of the present invention uses Aspergillus oryzae as a carrier, and exists in the form of Aspergillus oryzae cells, aqueous solution or dry powder. Its preparation method uses selenium compound as raw material, through the process of preparing selenium-containing medium, inoculating and culturing Aspergillus oryzae, collecting Aspergillus oryzae, washing to remove extracellular selenium, sterilizing or / and drying; the organic aspergillus oryzae cell form is obtained by drying. Selenium, or the organic selenium in the form of an aqueous solution obtained from thalline autolysis, or the organic selenium in the form of dry powder obtained by drying the aqueous solution. Aspergillus oryzae has the characteristics of fast growth and high content of organic selenium in selenium-enriched Aspergillus oryzae cells. During the fermentation process, Aspergillus oryzae can convert inorganic selenium into organic selenium, which is easily metabolized and absorbed by the human body. Using Aspergillus oryzae containing organic selenium instead of common Aspergillus oryzae as an additive in food and health products can supplement selenium in a small amount and continuously, and effectively prevent and treat diseases caused by selenium deficiency.

The present invention relates to a kind of selenium-enriched fried beancurd puff which features long storage time, convenient transportation, good taste and rich nutrients. It uses soybean as raw material, and adopts the following steps: selecting raw material, soaking, grinding to make milk, setting, pressing and dewatering to obtain dried beancurd strip whose thickness is 0.6-1.5cm and width is0.8-1.5cm, cooling at normal temp., deep-frying at twice, first deep-frying temp. is 60-80 deg.c for 3-5 min., the secondary deep-frying for 4-6 min. at above 150 deg.C to obtain the invented fried beancurd puff. It is simple in production process, and easy to implement.

A yield-increasing base fertilizer for peanut plantation in hilly dryland is disclosed. The base fertilizer is prepared from, by weight, 100-500 parts of peanut bran, 100-200 parts of brewer's grains, 200-300 parts of seaweed mud, 1-5 parts of yeast, 0.5-1 part of papain, 50-100 parts of swill-cooked dirty oil, 10-50 parts of earthworm powder, 50-100 parts of charcoal, 100-200 parts of pond sludge, 50-100 parts of traditional Chinese medicine powder, 10-20 parts of seaweed powder, 50-100 parts of Chinese date dregs, 20-50 parts of mushroom dregs, 10-30 parts of tea seed meal, and 20-50 parts of pig manure. The charcoal is added into the base fertilizer, has significant adsorption effects, and is capable of locking nutrients of soil, preventing loss, increasing utilization rates of fertilizers and other nutrients, reducing the using amount of fertilizers, reducing the production cost, promoting rapid growth of peanut, and significantly increasing the peanut yield.

The present invention relates to selenium-enriched black tea and a processing method thereof. Second and third leaves under tender shoots are used as raw materials, and the selenium-enriched black tea is prepared by the steps of pickling, enzyme deactivating, rolling, sterilizing, fermenting, rolling again, charcoal baking, etc. The selenium-enriched black tea is obtained by using selenium-enriched eurotium cristatum fermented tea leaves, can supplement human body needed selenium element every day after drinking, and is low in production costs and more suitable for industrial production.

The invention discloses a planting method of a Se enrichment tomato. The method comprises the steps of at the expansion period of the tomato fruit, sequentially smearing the cluster stem of the same cluster with Se liquid of different concentrations twice, smearing the cluster stem by a sodium selenite aqueous solution with the concentration of 100-120mg / kg when the fruit of the tomato fruit grows to be 2-3cm long, smearing the cluster stem by the sodium selenite aqueous solution with the concentration of 250-300mg / kg after 10-15 days of the first smearing, smearing from the connection position from the cluster stem and a fruiting branch to the cluster direction during smearing, and smearing the whole cluster stem during the smearing. By smearing the Se enrichment product on the cluster stem, inorganic Se is absorbed and converted into organic Se to be enriched in the fruit, the organic Se content in the tomato fruit is improved and is larger than 20 mug / kg through detection, the Se enrichment tomato is produced by smearing the fruit stem and guiding at the fixed direction, the aim of precisely applying the Se element to a target in a variable mode is realized, the pertinence is stronger, the Se enrichment effect is better, the use level of the inorganic Se is reduced and the negative effect on the environment is reduced.

The invention discloses a nutritional and disease-resisting bullfrog feed additive. The nutritional and disease-resisting bullfrog feed additive is prepared from the following raw materials: cassava starch, tamarind gum, gelatin, selenium-enriched malts, selenium-enriched yeast, a glycerin solution, a lactobacillus buchneri bacterial agent, a lactobacillus bulgaricus bacterial agent, anthocyanin, astragaloside, tanshinone, atractylenolide-1, cinnamyl aldehyde, limonin and gingerol. The product has abundant nutrients, requirements on equipment are low and the investment is less, so that the product is suitable for industrial production; added selenium-enriched raw materials and compound mineral substances can promote absorption and utilization so that the content of selenium in bullfrogs is increased and a health function is enhanced; the product has the effects of resisting oxidization, resisting ageing, resisting cancers, enhancing the immunity, protecting heart and cerebral vessels and prolonging life; the two types of lactobacillus are subjected to microencapsulation so that the activity of the lactobacillus is kept and gastrointestinal tract functions are promoted; a plurality of types of plant extracting agents have the effects of resisting bacteria and diminishing inflammation, resisting viruses, enhancing the immunity of the bullfrogs and reducing the occurrence rate of diseases; and the consumption of manpower and financial resources is reduced, the yield and quality of the bullfrogs are improved and the breeding incomes are increased.

The invention discloses a soft-shelled turtle rich in organic selenium and a culture method thereof. The selenium content of the soft-shelled turtle rich in organic selenium is 200-1500mu g / kg, wherein the organic selenium content is more than or equal to 80%. The method comprises the following steps of: putting the soft-shelled turtle into an aquacutural pond; feeding the soft-shelled turtle feed rich in organic selenium everyday according to the normal food intake of the soft-shelled turtle; and after the soft-shelled turtle is cultured for 60 days, sampling to detect the ratio of the selenium content and the organic selenium in turtle meat to form the soft-shelled turtle rich in organic selenium. The soft-shelled turtle feed rich in organic selenium comprises the following components in parts by weight: 3-10 parts by weight of smashed corn powder rich in selenium, 3-15 parts by weight of broccoli powder rich in selenium, 2-4 parts by weight of fish oil, 1-3 parts by weight of corn oil and 53-86.5 parts by weight of common soft-shelled turtle compound feed, wherein the selenium content of the feed rich in the organic selenium is within the range of 300-1000mu g / kg. The soft-shelled turtle is rich in selenium elements and has unified integral content. With the method, the ratio of the organic selenium of the soft-shelled turtle meat is improved, and the standardized scale production can be realized.

The invention relates to a selenium-rich grape field management technology, and belongs to the technical field of crop management. The selenium-rich grape field management technology is characterized in that a sod culture method is adopted for management in the planting of selenium-rich grapes to finally obtain a field management technology for selenium-rich grapes which is less polluted and high in selenium content by being combined with fertilization management, supplement of microelements and spraying. Due to the implementation of a selenium richening technology, the growth is promoted, the leaf function is enhanced, cold resistance, drought resistance, disease and pest resistance and other resistance are improved, the fruit volume is promoted to be expanded, the content of sugar of the fruit is increased and the sweet and sour rate is improved; furthermore, the storing resistance and the transportation resistance are improved; the organic selenium content in the fruit is increased obviously (10 to 50 mcg / kg) in comparison with local ordinary grapes and the mouth feel is excellent; and the residual pesticides and the environmental pollution are reduced.

A regulator for growing se-enriched tea leaves is prepared through fermenting pig dung and silkworm excrement, filtering, adding sodium selenate (or selenite) and dissolving. Its advantage is high Se content in tea leaf. It is applied through diluting and spraying it on buds of tea tree.

The invention discloses a culture medium for indoor cultivation for selenium enrichment stropharia rugoso-annulata and a cultivating method. The culture medium for indoor cultivation for selenium enrichment stropharia rugoso-annulata comprises a mother strain culture medium, an original strain culture medium and stropharia rugoso-annulata cultivating materials, selenium (Se) and a fertilizer containing selenium (Se) are added into the culture medium, the selenium is guided into the stropharia rugoso-annulata body, therefore the stropharia rugoso-annulata with higher organic selenium content isgenerated, and the organic selenium content in the fresh stropharia rugoso-annulata reaches 0.08 mg / kg-1 mg / kg. The selenium can improve the human immunity and promote the lymphocyte proliferation and the synthesis of antibodies and immune globulin. According to the method, the stropharia rugoso-annulata can be produced indoors or in a temperature control greenhouse, the full-year market supply of the stropharia rugoso-annulata is ensured, and organic selenium is provided for consumers; according to the method, the processes are convenient, the pollution rate is low, the strains are pure, theoperations are simple, the cultivating period is short, the biological efficiency reaches 70%, and the method is worthy of application and popularization of factorization and industrialization.