1853 results about "Sweet Potatos" patented technology

The invention relates to a compound coarse cereal nutrition food and a production method thereof. The compound coarse cereal nutrition food can overcome the problems of single variety, insufficient nutrition and poor eating effect of the current coarse cereal food so as to meet different demands of people on coarse cereal foods. The technical proposal to solve the problems is that the food is produced by 4-6 portions of wheat flour, 4-6 portions of purple rice flour, 8-12 portions of rye flour, 7-11 portions of barley flour, 7-11 portions of oat flour, 7-11 portions of buckwheat flour, 8-12 portions of corn flour, 8-12 portions of millet flour, 4-6 portions of sorghum powder, 4-6 portions of pearl barley powder, 2.5-3.5 portions of soybean flour, 1.5-2.5 portions of black soybean powder, 1.5-2.5 portions of pea meal, 0.8-1.2 portions of black sesame seed powder, 1.5-2.5 portions of black rice flour, 7-11 portions of rice flour, 3-5 portions of sweet potato dry powder and water by weight. 3-5 portions of mung bean powder can be added if the food is eaten in spring, summer and autumn. The food has scientific composing prescription, rich nutrition and good taste and is convenient for eating, conducive to the health of people and a great creation of food deep processing, thus having great economic and social benefits.

The invention discloses an enzyme kinase drink. The enzyme kinase drink is prepared by the following steps: cleaning and crushing mandarin oranges, mulberry fruits, blueberries, apples, peaches, plums, apricots, pears, red pomelos, red jujubes, persimmons, figs, Chinese wolfberries, hawthorn, pineapples, bananas, pomegranates, sweet potatoes, lotus roots, fresh ginger, carrots, iron stick yams, fresh lentinus edodes, black beans, red beans and black rice, adding probiotics and fermenting for three times. The enzyme kinase drink has the advantages of high nutritional value, comprehensive probiotics required for a human body, easy absorption by the human body and capability of playing an important role in reactivating the autoimmunity of the human body.

The invention discloses health-care coarse-grain flour which is prepared from the following raw materials in parts by weight: (1) coarse cereals: 60-70 parts of wheat, 4-6 parts of corn, 4-6 parts of polished round-grained rice, and 4-6 parts of barley; (2) auxiliary raw materials: 0.2-1 parts of walnut, 0.1-0.8 parts of cattle blood, 0.15-0.6 parts of goose blood, 0.1-0.6 parts of yam, and 0.1-0.8 parts of endodermis of chicken gizzard; meanwhile, the auxiliary raw materials of the health-care coarse-grain flour disclosed by the invention further comprise0.1-0.8 parts of pig blood, 0.1-0.6 parts of edible fungus, 0.2-1 parts of peanuts, and 0.2-1 parts of cassia seeds; in addition, the coarse-grain flour also can comprises 8-12 parts of one of tapioca, broad bean meal, peameal, soybean meal and millet or sorghum flour, or an arbitrary mixture thereof. The invention discloses a process for preparing the health-care coarse-grain flour. Meanwhile, the invention also discloses a health-care coarse-grain dried noodle prepared from the health-care coarse-grain flour above and a preparation process thereof.

The invention aims to provide a preparation process of Qishan diced meat sour and spicy fast-food sweet potato noodles, which is used for preparing fast-food sweet potato noodles with local flavor. The Qishan diced meat sour and spicy fast-food sweet potato noodles are characterized by containing the following components in parts by weight: 65+ / -5 parts of sweet potato full-powder noodle blocks, 12+ / -2 parts of diced meat seasoning packet, 10+ / -2 parts of seasoning powder packet, 5+ / -1 parts of vegetable packet, 8+ / -2 parts of hot pepper packet and 10+ / -2 parts of vinegar packet. The Qishan diced meat sour and spicy fast-food sweet potato noodles are prepared through full powder of sweet potato and keeps nutrient components of sweet potato; meanwhile, combined with the seasoning packet with the flavor of Qishan local snacks, the Qishan diced meat sour and spicy fast-food sweet potato noodles become a fast food with special flavor. When being eaten, the noodles are only mixed with boiled water. Because of not being fried, the fast food is more nutritious than the traditional fried instant noodles.

The invention discloses a method for preparing complete feed for cattle and sheep by using mushroom medium residues as a raw material for secondary fermentation. The complete feed is prepared from the following raw materials in parts by weight: 20-35 parts of mushroom medium residues, 25-40 parts of a plant material, 8-10 parts of corn flour, 5-8 parts of rice bran, 3-5 parts of bean pulp, 3-4 parts of sweet potatoes, 2-3 parts of honey, 0.1-1 part of a fermentation strain and 0.1-0.3 part of trace elements, wherein the plant material is one or mixture of more than one of sugar cane tops, corn stalks, fresh pasture, wheat-straws, rice straws, paper mulberry, peanut vines and weeds. The mushroom medium residues are fermented to prepare feed for cattle and sheep with simple preparation method and low cost; and the feed prepared after fermentation has comprehensive nutrition and sweet taste, can be used for improving the appetite of cattle and sheep, and can be well accepted by cattle and sheep, so that cattle and sheep grow fast.

The invention discloses cassava straw silage and a preparation method thereof. The silage is prepared from, by weight, 150-200 parts of cassava straw, 30-35 parts of sunflower stems and leaves, 10-20 parts of sweet potato vine, 30-40 parts of corn straw, 30-50 parts of banana leaves and 10-15 parts of sticktight, and straw leavening agents are added according to the proportion of 11g / kg of the total mass of the mentioned raw materials. According to the cassava straw silage and the preparation method thereof, the cassava straw serves as the main raw material, the sunflower stems and leaves, the sweet potato vine, the corn straw, the banana leaves and the sticktight serve as auxiliary materials, the straw leavening agents are used for fermenting the raw materials, and a great amount of microorganism mycoprotein and beneficial metabolite are generated and accumulated. What's more important, the effect of microorganism culture in the straw leavening agents is utilized, cellulose and lignin in the cassava straw and the corn straw are degraded, meanwhile, the sweet potato vine, the banana leaves and the sunflower stems and leaves are added, all the constituents work together to improve palatability of the cassava straw, improve digestibility and enrich nutrient compositions of the silage, and the silage can be stored for a long time without mildewing or rotting.

The invention discloses black flour. The black flour comprises the following components: black wheat meal, black fragrant rice powder, purple sweet potato whole wheat flour, black millet powder, black bean flour, black sesame powder, black glutinous rice flour, black corn powder and black peanut powder. The invention has the advantages that the flour is rich in nutrition, is rich in Se, melanin and anthocyanin as well as various vitamins, amino acid and mineral elements and also contains certain amount of dietary fiber; especially abundant lysine in the black rice powder can make up the defect that the lysine in common flour is insufficient. Se, melanin and anthocyanin have good antioxidation and free radical eliminating effects, and free radical eliminating capacity by Se is 50-500 times that of vitamin E. Modern medicine thinks that 'black food' is full of nutriments and also has unique effects of tonifying kidney, preventing ageing, benefiting life, preventing and curing illness, hair nourishing and beautifying and the like. Thus, steamed bread and bun produced by adopting the black flour disclosed by the invention can improve nutritional status of the public to a certain extent.

The invention belongs to the field of a food machining technology and particularly relates to a leaf-shaped bean curd and a production method of the leaf-shaped bean curd. The leaf-shaped bean curd comprises the following components: soy isolated protein, vegetable protein, starch, ice cakes, water, plant oil, white granulated sugar, a TG (Triglyceride) enzyme, a coagulator, chicken powder, egg white, table salt, sophora flowers, a flavor enhancer and a sucrose fatty acid ester. The preparation method comprises the following steps of: mixing the TG enzyme with the starch and adding the soy isolated protein, the ice cakes and the water; and pulping, emulsifying, traying, curing and molding to obtain the leaf-shaped bean curd. According to the leaf-shaped bean curd and the production method of the leaf-shaped bean curd disclosed by the invention, the TG enzyme and the starch including potato starch, sweet potato starch and the like are used as auxiliary materials to have synergistic effect so as to catalyze protein molecules to have cross-linking; and the performance of the soy isolated protein is improved so that a network structure is formed between adjacent peptide bonds and the toughness and the mouth feel of the leaf-shaped bean curd are enhanced.

The invention provides a formula of a meat rabbit feed and a preparation method thereof. The feed contains a coarse feed, a plant feed and a Chinese herbal medicine additive. The formula of the meat rabbit feed comprises the following components: a coarse feeder including corn flour, tapioca flour, peanut meal, bean pulp, rice bran, bone meal and aginomoto; a plant feed including ryegrass, oat grass, timothy grass, radish leaves, sweet potato stem and carrot; a Chinese herbal medicine additive including plantain herb, dandelion, purslane, mother chrysanthemum, honeysuckle, folium isatidis and radix isatidis. The meat rabbit feed disclosed by the invention is wide in source, low in cost, abundant in nutrient, and free of antibiotics and hormones; the culture-cycle of the meat rabbit can be shortened, the immunity of the meat rabbit is enhanced, and the economic benefits of meat rabbit breeding are improved.

The invention belongs to the field of fertilizer for crops and particularly relates to a special ecological fertilizer for saline-alkali soil and a preparation method thereof. The special ecological fertilizer is characterized by being composed of reed, common cordgrass, sweet potato powder residue, citric acid industrial residue, dry chicken manure, ammonium sulfate, monocalcium phosphate, potassium humate, trace elements, guar gum, esterified starch and a soil conditioner. The special ecological fertilizer is mainly composed of organic fertilizer, is rich in organic matters and humic acid and is added with a small amount of acidic inorganic fertilizer in a compounded way; therefore, the special ecological fertilizer is comprehensive in nutrition and is capable of well meeting the nutrition demands for growth of crops; the soil conditioner in the special ecological fertilizer is capable of improving the soil environment, reducing the pH value of alkali soil, lowering the content of soluble salt and increasing the content of N, P and K in soil and thus the utilization rate of the fertilizer can be improved.

The invention relates to a processing method of pearl milk tea. The processing method comprises the steps of: pearl ball manufacture, tea water soaking, milk juice preparation, homogeneous operation, split charging: and the like. The processing method is characterized in that the pearl balls are made of cassava starch, konjac refined powder, sweet potato starch and glutinous rice flour through rolling rounding in the production process. The pearl balls manufactured by the method have the elastic outer sides and the tough inner sides, and the mouth feeling is unique. In addition, compared with the existing milk tea processing process, the processing method has the advantage that the consumption of creamer is greatly reduced on the premise of keeping the milk tea flavor unchanged. Compared with the boiler-shop operation mode in the prior art, the operation mode of the pearl milk tea is more suitable for large-scale production and processing.

The present invention relates to food producing technology, and is a kind of pie, named Jinzhuwucai pie. It has piecrust comprising soybean, potato and wheat powder, etc. and stuffing comprising meat, sea food, vegetable and seasoning. It has balanced nutritious components, has some health functions of nourishing brain, relax the bowels and raising immunity, and is suitable for all people.

The invention discloses a processing method of whole sweet potato flour, characterized by comprising the following steps: washing fresh sweet potatoes by water; continuously crushing the raw materials by a crusher to material pulp with particle size of 0.5-10mm; then conveying the material pulp to a colloid crushing or grinding device and crushing the pulp to sweet potato slurry with particle size less than 1000 microns; uniformly mixing the sweet potato slurry and the whole sweet potato flour product with the weight ratio of 1:1 to 1.6; drying the mixed materials in the pneumatic drier at 120-180 degrees centigrade until water content therein is less than or equal to 15% by weight percentage; then sieving the dried sweet potato flour and the sieved object is the whole sweet potato flour product; the invention has simple processing technique; the prepared whole sweet potato flour product retains nutritional ingredients in the sweet potato and active ingredients for improving immunity of human body with maximum extent, being a fine, environmental and health-care food.

The invention discloses growth promoting fodder special for growing and fattening pigs. The growth promoting fodder is prepared from corn, wheat bran, sweet potato vine powder, cottonseed meal, double-low rapeseed meal, fish meal, shell powder, talcum powder, calcium hydrogen phosphate, salt, multivitamin for the pigs, methionine, cystine, seaweed meal, beta vulgaris pulp, mannan oligosaccharides, nettle meal, luceme meal, carrot meal, purslane meal, peanut vine meal, pine needle meal, a composite additive, complex enzyme preparation and microecologics. The composite additive is prepared from polygonum multiflorum, eucommia, malt, gynostemma pentaphyllum, medicated leaven, poria cocos, hawthorns, lycium, Chinese yam, methionine copper, ferrous sulfate, tryptophan zinc, tryptophan manganese, calcium iodate and sodium selenite. The growth promoting fodder special for the growing and fattening pigs is reasonable in formula, comprehensive in nutrition, good in palatability, and capable of promoting growth of the growing and fattening pigs and improving quality of pork.

The invention relates to a multi-functional health care soy sauce and a preparation method thereof. The soy sauce comprises the following main components by mass percentage: 10%-20% of potato, 10%-15% of sweet potato, 2%-5% of formosan lattuce herb, 3%-6% of lotus nut, 2%-5% of lalang grass rhizome, 3%-6% of hawthorn, 2%-5% of purslane, 1%-3% of citric acid, 1%-3% of eggshell, 1%-3% of sorbic acid, 1%-3% of donkey-hide gelatin, 1%-3% of gastrodia elata, 1%-3% of bezoar, 1%-2% of Chinese yam and water. The health care soy sauce has remarkable effects for treating and preventing constipation and anemia, and simultaneously has an effect of reducing blood pressure and blood fat to a certain extent.

The invention discloses konjac oligomerization mannose sweet potato vinegar and a preparation method thereof. The konjac oligomerization mannose sweet potato vinegar is prepared from the following raw and auxiliary materials in weight ratio: 10-20 parts of konjac, 100-150 parts of sweet potatoes, 8-12 parts of bran, 16-23 parts of husk, 0.02 part of alpha-amylase, 0.015 part of calcium chloride, 0.3 part of saccharifying enzyme and 0.1 part of magnesium chloride. The preparation method comprises the following steps: (1) hydrolyzing the konjac by using aspergillus niger; (2) uniformly mixing steamed sweet potatoes and konjac hydrolysate, liquefying the mixture by using the alpha-amylase, saccharifying the mixture by using the saccharifying enzyme, and hydrolyzing cellulose and pectin by using the aspergillus niger to obtain saccharification liquor; (3) inoculating lactobacillus fermenti, brewer yeast and aroma-producing yeast into the saccharification liquor, fermenting at low temperature, and standing to obtain alcoholization liquor; (4) mixing the bran, the husk and the alcoholization liquor to carry out acetic fermentation, spraying vinegar, and ageing to obtain the konjac oligomerization mannose sweet potato vinegar. The konjac oligomerization mannose sweet potato vinegar prepared by using the method has the characteristics of mild sourness, remarkable sweet potato flavor and capability of relaxing bowels.

The invention provides a key technology of deep processing of alum-free handmade sweet potato vermicelli or purple sweet potato vermicelli, relating to a manufacturing technology of bean vermicelli. The deep processing method comprises the following technological processes of taking a starch material, preparing gravy paste, blending and kneading the powder, vacuumizing, leaking filaments and molding, cooking and pasting, cooling and fishing the vermicelli out, freezing, unfreezing and drying, and then packaging the vermicelli. According to the deep processing method, a production process of firstly molding and then cooking thoroughly is adopted; excellent starch of 100% of pure sweet potato or purple sweet potato is adopted; any pigment edible glue, alaum or additive is not added; the produced bean vermicelli is soft and smooth in mouthfeel, is not broken or agglomerated, and does not contain dust and sand, and the retention time can be up to be over two years.

The invention relates to a health care matrimony vine vermicelli and a preparation method thereof. Matrimony vine is a commonly used good item for nourishing nutrition and for making congee, decocting paste, soaking liquor or being eaten with other medicament and food in folk. As a good item used as both medicine and food and for nourishing nutrition, matrimony vine can be taken in each season; it is suitable for making matrimony vine tea in summer afternoons, so as to improve physique and benefit sleep. However, due to tedious processing procedures, matrimony vine still can not be used as a common food to satisfy demands of modern diet. The invention provides the health care matrimony vine vermicelli and the preparation method thereof. The vermicelli comprises matrimony vine, corn, sweet potato and broad bean starch and is prepared by reasonable proportioning of the materials. The vermicelli of the invention not only maintains original edible characteristics but also enriches abundant nutrients; besides, operations are simple, convenient for production and economical; and the health care matrimony vine vermicelli can improve diet structure of people, contains trace elements of vitamin C, belta-carotene and iron but no additive, and is green and pollution-free.

The invention discloses red bayberry milky tea beverage. The milky tea beverage is prepared from the following raw materials in parts by weight: 50-60 parts of skim milk, 5-9 parts of sweet potato leaves, 30-40 parts of composite rice milk, 12-15 parts of extract of traditional Chinese medicine, 3-5 parts of honey, 4-8 parts of millet flour, 4-5 parts of red bayberry flesh, 1-2 parts of fried peanut powder, and 3-5 parts of whey protein powder. The milky tea beverage disclosed by the invention is mellow in taste, unique in formula, simple, convenient and easy in process implementation, and has unique sour of the red bayberry, and the produced milky tea has rich rice aroma, and simultaneously has certain effects of dietary therapy, health care and life nourishing.

The invention relates to a convenient bean starch and a making method thereof, the raw materials are: potato starch or any combination of the potato starch with sweet potato starch, gram flour, yellow rice flour, small rice flour, rice flour, core flour, glutinous rice flour and buckwheat flour and water; the auxiliary materials are: edible gelatine, alum and edible salt. A seasoning package is composed of salt water, vinegar, chili oil, dry bean curd and lotus seeds which are fried broad bean seeds; the convenient bean starch is obtained by processing bean starch; the technology of the invention successfully discloses the convenient bean starch and the series of products in three years of scientific research against the outstanding problems on the production of the prior bean starch, the series of the products have the absolute advantages of excellent quality, easy preservation and no deterioration, and the mechanical and industrial production mode which can replace the traditional production mode with low quality of the bean starch, low production efficiency, poor market competition and difficult preservation packaging is realized, thereby having positive social benefits.

The invention discloses a formula and preparation method of meat duck fodder and belongs to the field of fodder processing. The fodder is prepared from 45-55 parts of corn, 10-12 parts of bran, 10-12 parts of bean pulp, 6-8 parts of rice bran, 10-12 parts of wheat, 5-8 parts of sweet potato powder, 4-6 parts of corn stalk powder, 1-3 parts of fish meal, 1-3 parts of shell powder, 0.1-0.2 part of allicin, 0.1-0.2 part of wolfberry fruits, 0.1-0.2 part of isatis roots, 0.1-0.2 part of honeysuckle, 0.1-0.2 part of licorice roots and 0.4-0.5 part of salt. According to the formula of the meat duck fodder, all raw materials are simple and easy to obtain, low in cost, simple and practicable in fabrication process and applicable to industrial application and popularization; all nutrient compositions are reasonable in matching, it is easy for meat ducks to digest and absorb the nutrient compositions, and the growth of the meat ducks is accelerated; the disease resistance of the meat ducks is improved, the survival rate of the meat ducks is raised, the feeding cost of a duck-feeding farmer is lowered, and the greenness and environment-friendliness of meat quality of the meat ducks are guaranteed.

The invention discloses a lactobacillus plantarum and application thereof in fermenting and ensiling sweet potato stem and leaf. The strain is the Lactobacillus plantarum Z3-1, and has the accession number of CGMCC (China General Microbiological Culture Collection Center) No.5027 in the China General Microbiological Culture Collection Center. The strain can improve a nutrition value after the sweet potato stem and leaf are fermented, and compared with the natural fermentation, the sweet potato stem and leaf are subjected to strain fermentation for 3 days-7days, so that amino acid total quantity, crude protein and soluble total sugar content of the sweet potato stem and leaf are high, and crude fiber content is low. The sweet potato stem and leaf with the bran or the corn grits are mixed to prepare a mixture with the water content of 60%-70% to inoculate the strain for ensiling for 30 days-60days, and then unsealing is carried out, thus pH is low, and lactic acid content is high. The lactobacillus plantarum with the accession number of CGMCC No.5027 provided by the invention can be used for fermenting or ensiling the sweet potato stem and leaf and has the advantages that efficiency is high, cost is low and the like. The lactobacillus plantarum can be used for producing fermented food or green environment-friendly biological feed.

The invention discloses novel interlayer fine dried noodles, comprising upper flour slices and lower flour slices, as well as sweet potato or solanum tuberdsm flour slices pressed between the upper flour slices and the lower flour slices. The cooked interlayer sweet potato fine dried noodles are slightly white in surface color and internal red and external white in section, have unique fresh scent of the sweet potato, and are not pasty, not thick in soup, not sticky in taste, not gritty, are soft and tasty and refreshing, a cooking noodle break ratio is smaller than or equal to 5%, the irregularity is smaller than or equal to 15%, wherein, the natural noodle break ratio is smaller than or equal to 8%, physicochemical indexes of the fine dried noodles have a water content being smaller than or equal to 13.5%, acidity being smaller than or equal to 4.0, and a bending noodle break ratio being smaller than or equal to 15%; hygienic indexes achieve no impurity, no mildewing, no extraneous odor, no insect attack and no pollution, and raw materials and auxiliaries accord with national standards.

The invention relates to feed and a preparation method thereof. Bean dregs are adopted as main raw materials, then soybean meal, sweet potato starch, wheat bran, yeast, vitality 99 ferment agent, coarse feed degrading agent, calcium hydrophosphate and the like are added into the bean dregs to be blended and mixed and be fermented through the floor heat so as to obtain the feed. The feed produced through the above method can increase the appetite of the animals, can improve the immunity of the animals and can improve the farrowing rate of sows.

This invention discloses a safe and highly efficient method for extracting purple sweet potato color with a high purity, which comprises the steps of: beating fresh purple sweet potatos, extracting with citric acid aqueous solution, cooling the extraxted solution, centrifuging, inactivating enzymes, performing a first time separation and purification with a microfiltration membrane, concentrating with a nanofiltration membrane, coupling the concentrated solution with resin, performing a second time separation and purification, and concentrating in vacuum to obtain the final product. The use of nanofiltration membrane and the coupling of the membrane with the resin can elongate the service life of the resin as well as raise the adsorption efficiency of the resin. The use of nanofiltration membrane for concentrating the color solution can effectively reduce the manufacturing cost and prevent degradation of the color solution at a high temperature, thus can protect the physiological functions of the color from being damaged.

The invention discloses papaya and shrimp dried bean curd. The papaya and shrimp dried bean curd is prepared from the following raw materials in parts by weight: 120 to 130 parts of soybeans, 30 to 40 parts of red beans, 4 to 5 parts of green papaya, 7 to 8 parts of small dried shrimps, 1 to 2 parts of hawthorn leaves, 2 to 3 parts of medlar, 1 to 2 parts of pepper leaves, 2 to 3 parts of sweet potato vines, 1 to 2 parts of plum blossom, 2 to 3 parts of gynostemma pentaphyllum, 1 to 2 parts of bamboo shavings, 1 to 2 parts of caulis spatholobi, 1 to 2 parts of zinnia, 1 to 2 parts of white hyacinth bean, 2 to 3 parts of prepared rehmannia root, and 1 to 2 parts of polygala tenuifolia. The nutritional value of the dried bean curd is improved by adding the small dried shrimps into the dried bean curd; the small dried shrimps are soaked by enzymatic hydrolysate of the papaya first and then are fried, so that the flavor of the small dried shrimps is unique, and the nutrients are easily absorbed; a traditional Chinese medicine extracting solution is added, so that the dried bean curd has the effects of stimulating appetite, helping digestion, relieving cough, resolving phlegm, tonifying liver and kidney, nourishing yin, supplementing blood, eliminating fatigue, and inducing diuresis to reduce edema.

The invention discloses a processing method for sweet potato sheet jelly. The processing method comprises the following steps of a. purifying starch wintercherry; b. regulating the concentration of the starch wintercherry; c. loading the starch wintercherry; d. steaming the starch wintercherry into sheet jelly; e. air cooling the sheet berry; f. stripping the sheet jelly; g. stretching the sheet jelly; h. air cooling for a second time; i. winding by non-stick cloth; j. frozen aging; k. cutting the aged sheet jelly; and l. baking the cut sheet jelly. The sweet potato sheet jelly prepared by the method has higher post-gluten strength and better toughness, smoother taste and more beautiful appearance. By adopting the method to prepare the sweet potato sheet jelly, mechanical streamlined production can be realized. The method has high efficiency, low cost and simple and convenient operations. An apparatus for realizing the above method comprises a stirring device, a slurry-rolling process spreading device, a steaming device, an air cooling device, a stripping device, a second air cooling device and a frozen aging device. The apparatus also comprises a material-loading device and a non-stick cloth winding device.

The invention relates to a multielement biological fertilizer and a method for making the same. The multielement biological fertilizer adopts garbage as a main raw material, utilizes multifactorial activity bio-fungus and adopts hair, pig hair, chicken feather, cow hair, sheep water chestnut and humus, thereby changing the waste into the valuable and providing the multielement biological fertilizer which does not have toxic and side effects or pollute the environment and has great fertilizer effect and constancy and stability. Compared with the fertilizer, the multielement biological fertilizer which is made from functional bacteria in the soil has evident ecological benefits such as changing the quality, loosening the soil and protecting the ecological environment. The multielement biological fertilizer does not have pollution and rapidly removes the pollution of the soil to the crops, thereby eliminating the harm of the chemical fertilizer and the farm chemical pollution to the crops. The multielement biological fertilizer is widely suitable for the crops such as rice, wheat, soy bean, corn, sorghum, orange, banana, tea, vegetables, watermelon, sweet potato, drug ingredients and flowers.

The invention discloses an overwintering storage method for sweet potatoes. As sweet potatoes have strict requirements on temperature and humidity in a storage process, and are easily mildewed to cause economic loss to a grower in case of any carelessness, in the prior art, a method of storage with lime powder in a cellar is most frequently adopted, but lime powder produces heat to easily cause environmental temperature fluctuation after absorbing water, which is bad for the storage of sweet potatoes and easily causes mildewing and rotting in the storage process.

The invention relates to the technical field of preparation of new energy source materials and provides a preparation method and application of sweet potato leaf based active carbon. The preparation method comprises the following steps: 1, washing sweet potato leaves with de-ionized water and then drying and crushing; carrying out pre-carbonization treatment under the protection of inert gas to obtain a pre-carbonized product; 2, mixing the obtained pre-carbonized product with potassium hydroxide; after drying, carrying out high-temperature activation treatment under the protection of the inert gas to obtain an activated product; and 3, carrying out acid washing and water washing on the obtained activated product, and then freezing and drying to obtain the sweet potato leaf based active carbon. The preparation method provided by the invention is simple in process and low in equipment cost; the raw materials are easy to obtain; and the sweet potato leaf based active carbon prepared by the method is of a sheet-shaped structure and has a series of advantages of high specific capacitance, good rate performance, long circulating long service life and the like when being used as an electrode material of a super-capacitor.