35 results about "Dioscorea alata" patented technology

The invention discloses an inducing method of dioscorea alata transgenosis hairy roots, and belongs to the technical field of plant culture and transgenosis. The method includes the steps: 1) explantsterilization; 2) explant culture; 3) infection liquid preparation; 4) hairy root induction and reproduction; 5) hairy root reproduction. According to the method, dioscorea alata stems with leaf axilla serve as explants, an induction culture medium, a differential culture medium and a rooting culture medium are optimized, an integrated plant is acquired through induction, differential and a rooting culture, stems of dioscorea alata aseptic seedlings are infected by agrobacterium rhizogenes K599 (with recombinant plasmid pRI101-AN-gfp) living bodies to obtain the transgenosis hairy roots, PCR (polymerase chain reaction) and fluorescence microscope observation identify whether the hairy roots are transgenosis hairy roots or not, an inducing system of the dioscorea alata transgenosis hairy roots is built, and dioscorea alata is rapidly and effectively bred.

Belonging to the technical field of food processing, the invention discloses a Dioscorea alata peanut with Dioscorea alata as the wrapping raw material, a preparation method and production equipment thereof. The preparation method includes: preparing Dioscorea alata raw material into raw material mud; mixing the raw material mud with peanut kernels together to wrap the outer surfaces of the peanut kernels with the raw material mud; and flavoring the raw material mud, or raw material mud wrapped Dioscorea alata peanut kernels. The production equipment consists of mud making equipment and mixing equipment, the mud making equipment is used for making the Dioscorea alata raw material into raw material mud, and the mixing equipment is used for mixing the raw material mud with the peanut kernels. By means of the preparation method and production equipment, unique flavour Dioscorea alata peanut with Dioscorea alata as the wrapping raw material can be obtained.

The invention belongs to the field of biotechnology and discloses a dioscorea alata lirm.sp tissue RNA extraction method. Based on a SDS method, in material crushing, water-insoluble polyvinylpyrrolidone (PVPP) is used for preventing phenol substance oxidation, a high-salt solution is used for removing polysaccharide pollution and 10% of KAC (having pH value of 5.2 and a concentration of 3M) and 250% of ethanol are used for RNA deposition. The RNA extracted by the dioscorea alata lirm.sp tissue RNA extraction method has good purity and integrity, is not polluted by impurities such as DNA, proteins and polysaccharides and is convenient for downstream molecular biology experiments.

The invention discloses a breeding boar composite premix for improving reproductive performance; the breeding boar composite premix is prepared from the following raw materials: corn, soybean meal, bran, fish meal, dicalcium phosphate, edible salt, korthalsella japonica, lotus seed, orobanche coerulescens, dioscorea alata, antler glue, gallnut, beautiful millettia root, semen euryales, prepared salt, elaeagnus angustifolia, dogwood, a compound probiotic, and a compound vitamin. The raw materials contain a variety of Chinese herbal medicines, the compatibility is scientific, the roles are complemented with each other, digestion and absorption of pigs on the feed can be promoted, the feed utilization rate and the total nutrient intake are improved, the boar reproductive body function can be improved, breeding boar estrus is regulated and promoted, the hybridization rate of breeding boars is increased, the quality of semen of the breeding boars is increased, and the parturition performance of the childbearing-age boars is increased; with addition of the compound vitamin, the number and vitality of boar sperms can be increased, and generation of sperm deformity is reduced, so that the survival rate and quality of piglets are ensured, and greater economic benefits are brought for raising households.

The invention discloses an immuno-enhancing digestion-tonifying biscuit which is made of the following raw materials in parts by weight: 1000-1500 parts of low-gluten flour, 50-75 parts of dioscorea alata, 20-30 parts of durian, 10-15 parts of sargassum fusiforme, 8-12 parts of shiitake, 40-60 parts of sword beans, 30-45 parts of white kidney beans, 10-15 parts of chicken's gizzard-membranes, 10-15 parts of poria cocos, 2-3 parts of fructus momordicae sweet, 10-15 parts of baking powder, 10-15 parts of concentrated fish oil and 100-150 parts of plant oil. As the fructus momordicae sweet which is high in sweetness and free of heat is adopted to replace white sugar in the finished product biscuit, decayed teeth can be prevented while blood sugar is not affected; due to addition of multiple raw materials with an immuno-enhancing effect, the finished product biscuit is relatively high in nutrition and health care value, safe and environment-friendly, free of addition, good in effect of tonifying stomachs, helping digestion and moistening intestinal tracts, and applicable to different people to be taken safely.

The invention discloses a dioscorea alata glycoprotein belonging to the field of plant active substances in the phytochemistry. The glycoprotein is prepared from a dioscorea alata raw material. A preparation method comprises the steps of obtaining a crude glycoprotein by using digestion, concentration, heteroproteins removal and alcohol precipitation and obtaining the dioscorea alata glycoprotein through DEAE-52 (Diethylaminoethyl-52) cellulose column chromatography and SephadexG-75 column chromatography purification, concentration and freeze drying steps. A monosaccharide in the dioscorea alata glycoprotein disclosed by the invention comprises L-galactose, D-glucose and D-mannose; and the molecular weight of the dioscorea alata glycoprotein is about 12500-14500 Da. The glycoprotein can be used for preparing functional foods and health care products and can be also used for studying the bioactivity like a function of lowering blood sugar, a function of adjusting immunity and other physiological functions.

The invention discloses a dioscorea alata extremely-early-maturing high-quality cultivation method. Cultivation is optimized from the aspects of seed potato selection, sowing condition, protected cultivation, reasonable close planting, land preparation and base fertilizer application, water-fertilizer management and harvesting time, so that appearance shape of dioscorea alata is improved remarkably without reducing yield per mu, the appearance shape is changed from conventional multiple-branch shape to long-flat block shape, and dioscorea alata is put into market in advance by 90 days, so thathuge economic benefit is generated.

The invention discloses an establishment method of a Dioscorea alata L. tissue culture regeneration system. Dioscorea alata L. has an alternate name of winged yam, is a perennial twining liana and belongs to the dioscorea of the dioscoreaceae; the Dioscorea alata L. is rich in nutrition, bright in color, and excellent in taste, and is a food popular with people. The Dioscorea alata L. is drought-resistant, heat-resistant, high in yield potential, relatively high in starch content and short in growth period, and is an energy plant having great development potential. At present, the Dioscorea alata L. is mainly multiplied from underground tubes by virtue of vegetative propagation, and a great quantity of seed materials can be consumed; besides, the self-seedling cultivation form is possible to result in the degradation of the properties of the seed, the reduction of the quality and the decrease of the yield, and therefore, the establishment of the Dioscorea alata L. isolated culture regeneration system is necessary. The establishment method comprises the major process of explant sterilization treatment, inoculation into a germinating culture medium to induce the callus, callus multiplication culture, callus tissue differentiation into multiple shoots, and rooting and seedling growing culture.

The present invention discloses a processing method of preserved dioscorea alata and relates to the processing field of food. Particularly, the processing method of the preserved dioscorea alata comprises the following steps: raw material selecting: smooth and disease spot-free dioscorea alata is selected; washing: running water is used to remove sludge on the dioscorea alata, and the dioscorea alatais washed clean; peeling: a stainless steel peeling knife is used to remove outer skins and dig out black spots; polyphenol substances in the dioscorea alata can be rapidly oxidized into brown substances in air, and the peeling of the dioscorea alata is conducted in water; slicing: the peeled dioscorea alata is cut into slices at 3.0 cm x 5.0 cm at a thickness of 0.3-0.5 mm, the slicing is conducted in water, and the slices are quickly put into color protecting solution to reduce browning; and color protecting: the color protecting solution is used to conduct the color protection of the pre-treated dioscorea alata blocks, the dioscorea alata blocks are soaked for 4 hours, and the color protection solution comprises 0.3% of citric acid, 0.075% of VC, 0.6% of edible salt and the balanced being water. The processing method is simple in operations, convenient, extends the storage time of the products, and improves the added value and economic benefit of the products.

The invention discloses an irrigation system for increasing production of dioscorea alata L. in growth stage. The irrigation system comprises planting areas and a central control module which is connected with a display module. The display module displays information received from signal input end of the central control module and at the same time touch operation controls the central control module giving orders to signal output end. The signal input end comprises a humidity sensor, a temperature sensor, a light sensor, a nutrient detection module and a camera module, therein the humidity sensor detects air humidity information in the soil of planting areas, the temperature sensor detects temperature information in the soil of planting areas and adjusts according to the preset temperature. The light sensor detects light information of planting areas, the nutrient detection module detects nutrient information of the soil of planting areas, the camera module collects image information of planting areas, all the information acquired is sent to the central control module.

The invention provides a method for simultaneously separating starch, anthocyanin and total polyphenol from dioscorea alata.L. The method comprises the following steps of (1) beating and acid leaching, (2) flocculation, (3) separation of the starch, (4) macropores resin adsorption and elution, (5) separation of the anthocyanin and (6) separation of the total polyphenol. The method can simultaneously obtain the three high-content natural components of the dioscorea alata.L, and achieves the comprehensive utilization of a dioscorea alata.L resource; the method has the advantages that the processis simple, the operability is strong, the equipment requirements are low, the production cost is low, and the method is suitable for the industrial production.

The invention relates to cryopreservation and recovery culture methods for dioscorea alata protocrom-like bodies, and belongs to the field of plant cell engineering. The method comprises the cryopreservation steps: carrying out aseptic seedling induction and subculture, carrying out protocrom-like body induction, carrying out gradient domestication culture, stripping the protocorm-like bodies, fixing the protocorm-like bodies to loading bars, then placing the loading bars in a pretreatment solution, treating, transferring the treated loading bars into a vitrification protective agent, carrying out ice bath treatment, then quickly putting into liquid nitrogen, and preserving. The method comprises the recovery culture steps: taking out the loading bars with the protocrom-like bodies from the liquid nitrogen, putting the loading bars into a 1 / 2MS liquid culture medium, thawing and washing, adsorbing to dry with filter paper, then placing in a 1 / 2MS culture medium without hormones, carrying out dark culture, stripping the protocrom-like bodies from the loading bars one by one under an anatomical lens, transferring the protocrom-like bodies to a culture medium containing BA and GA3, carrying out dark culture, regenerating, then transferring into a culture medium containing BA and NAA, and carrying out illumination culture. The method has the advantages that a large number of materials which can be preserved and regenerated easily can be obtained by using the protocrom-like bodies as the material for cryopreservation of dioscorea alata resources.

The invention discloses a radiation proof soybean milk and a preparation method thereof. The radiation proof soybean milk comprises the following raw materials in parts by weight: 80 to 90 parts of soybean, 30 to 40 parts of dioscorea alata, 1 to 3 parts of oriental paperbush flowers, 1 to 2 parts of rose, 1 to 2 parts of radix asteris, 1 to 2 parts of sanchi flower, 12 to 16 parts of vinegar, 12 to 14 parts of foeniculum vulgare, 22 to 24 parts of cabbage, 17 to 21 parts of apple peel, 25 to 30 parts of banana, 6 to 7 parts of gree tea, 15 to 20 parts of agar, 1 to 2 parts of a food modifier and a proper amount of water. The soybean milk is prepared by adding raw materials which have an excellent health caring value into soybean, the traditional food material of the soybean milk, and the added dioscorea alata has the effects of tonifying spleen, clearing heat and relieving cough, enhancing human body immunity, tonifying stomach and expanding intestines, relaxing the bowels and detoxifying, tonifying liver and kidney, removing stasis and adjusting middle qi and reducing phlegm. The foeniculum vulgare can stimulate nerve and blood vessels of intestines and stomach, and has the effects of invigorating stomach and regulating vital energy. The apple peel has the effects of resisting oxidation, resisting fatigue, enhancing physical power, resisting fatigue, whitening and removing freckle. The banana have the effects of clearing heat and lubricating the intestines and promoting gastrointestinal motility. The added green tea has the effects of preventing cancer, reducing blood fat, loosing weight and preventing computer radiation. The radiation proof soybean milk is very suitable for modern subhealth people under high pressure.

The invention relates to the technical field of traditional Chinese medicine formula granules, and discloses dried dioscorea alata tuber granules and a preparation method thereof. The method comprisesthe following steps of (1) taking dried dioscorea alata tuber medicinal materials, adding water which is 8-10 times of the dried dioscorea alata tuber medicinal materials, performing heating and decoction for 1-3 hours, performing extraction for 2-3 times, performing filtration, and performing decompressed concentration on filtrate to obtain thick paste of which the relative density is 1.1-1.2 toobtain a dried dioscorea alata tuber extract; (2) taking the dried dioscorea alata tuber extract, adding an appropriate quantity of pharmaceutically acceptable auxiliary materials, performing mixing,performing drying, collecting dried paste powder, performing crushing, performing screening with an 80-mesh sieve, and placing powder in a mixing tank for mixing; and (3) taking the dioscorea alata tuber cream powder, performing granulation, and sequentially granulating the granules with a 20-mesh sieve and a 50-mesh sieve, so as to obtain the dried dioscorea alata tuber granules. The dried dioscorea alata tuber granules prepared by the method disclosed by the invention have high active component content, and are uniform in granule size.

The invention discloses a method for rapidly breeding and preserving germplasm resources of Chinese yams and belongs to the technical field of agricultural production. According to the method, Chineseyam plants growing normally in fields are cut into segments according to sections and are cultured in a constant-temperature culture room in a water culture mode, and water is adopted as a cuttage medium. After 3 days of cuttage, yams can form bulbil directly, and the weight of the bulbil can be up to about 0.5g at the 30th day; dioscorea alata, dioscorea persimilis and mountainous potatoes startto germinate from the 7th day, roots grow out at the 15th day, micro tubers are formed 20 days later; after 60 days of culture, buds are cut for a second time of cuttage, and the operation is repeated till the purpose of rapidly breeding and preserving germplasm resources of the Chinese yams; seedlings growing from rooting can be directly transplanted and survive without seedling strengthening. The segments of the Chinese yams are cut in the water culture mode, rapid breeding and preservation of Chinese yam seedlings and potato seeds can be achieved, and the method has the characteristics ofbeing simple and convenient to operate, low in technique difficulty requirement, low in breeding and preservation cost and high in efficiency.

An embodiment of the invention discloses a hydroponic propagation expanding and seed yam preservation method for dioscorea alata in the technical field of agricultural production. The hydroponic propagation expanding and seed yam preservation method for dioscorea alata comprises steps as follows: S1, one section of stem segment is reserved, and each section at least contains a leaf; S2, the stem segment in S1 is transferred into a cultivation environment for field planting culture, and the stem segment is cultivated into a hydroponic seedling with root length of 8-12 cm and root number of 3-5to serve as a seedling; and S3, the hydroponic seedling is transferred into a seedling bed medium for seedling bed management, and 30 g or more of micro tuber formed by screening is taken as seed yam.According to the method, the current seed yam propagation expanding technology for the dioscorea alata is simplified, dioscorea alata reproduction cost is reduced, and yield and quality of the seed yam propagation are guaranteed.

The invention discloses a Dioscorea alata milk tea sesame cake, which is prepared from the following raw materials by weight part: 160-180 of white sesame seeds, 40-50 of Coix chinensis, 30-40 of whole milk powder, 10-15 of radix puerariae powder, 18-22 of Dioscorea alata powder, 1-2 of Schefflera arboricola Hayata, 1-2 of broom, 3-4 of fig, 2-3 of garden burnet roots, 1-2 of Chinese mosla herb, 2-3 of polygonatum odoratum, 3-4 of Penthorum chinense Pursh, 30-40 of stachyose, 6-8 of a nutrient solution, and proper amounts of light salt water and corn oil. The Dioscorea alata milk tea sesame cake provided by the invention takes white sesame seeds as the main materials, Coix chinensis and radix puerariae powder are added to make the sesame cake have rich nutrition and higher health care value, Dioscorea alata powder and whole milk powder are added to make the sesame cake sweet and delicious, rich in taste, and unique in flavor. The finished sesame cake product is light yellow in color, sweet and soft, oily and delicate, and suitable for people of all ages, and has the efficacy of replenishing blood and improving eyesight, benefiting liver and nourishing hair, lowering blood pressure and lipid, reducing blood sugar and losing weight, maintaining beauty and caring skin, resisting aging, and improving the immunity of the human body, thus being suitable for people to taste for a long time.

The invention discloses a method for cultivating dioscorea alata lirm.sp, and relates to the technical field of cultivation and plantation of purple sweet potatoes. The method comprises the followingsteps: after land preparation, carrying out fertilization by virtue of peanut cakes, processing potato seeds, carrying out seedling growing under proper conditions, and carrying out transplantation after buds with the lengths of 1.5cm-2.5cm grow from potato pieces; carrying out ridging before the transplantation: controlling the heights, widths and intervals of ridges, plant intervals and row intervals; carrying out double-row plantation, laying forage, and building a frame among the potato pieces, wherein the frame is used for being climbed by plants of the dioscorea alata lirm.sp; and afterthe dioscorea alata lirm.sp is mature, digging out the dioscorea alata lirm.sp. The method has the advantages that the peanut cakes obtained after oil squeezing of peanuts are taken as an organic fertilizer for replacing common nitrogen, phosphorus and potassium fertilizers, and a small amount of compound fertilizers are added during ridging, so that the production cost of a cultivation techniqueis low; by adding a proper amount of lime during the land preparation and the fertilization, diseases in soil can be prevented and treated, and the looseness of the soil is increased, so that root tubers of the dioscorea alata lirm.sp grow bigger, and the yield is high. Besides, by virtue of a built frame structure, the wind resistance of the plants of the dioscorea alata lirm.sp is enhanced.

The invention provides a Dioscorea alata planting machine and a planting method thereof, and relates to the field of Dioscorea alata planting machine. The Dioscorea alata planting machine comprises a traction mechanism and a rear frame, wherein the traction mechanism and the rear frame are distributed front and back, the traction mechanism comprises a front frame used for bearing and a paving assembly, the paving assembly is rotationally installed in the front frame, a driving assembly used for driving the paving assembly to rotate is arranged on the side, back on to the front frame, of the paving assembly, the front frame is movably connected with the rear frame, a pit making assembly used for making pits is rotationally arranged in the rear frame in a sleeved mode, the pit making assembly and the paving assembly both abut against the ground surface, and during rolling of the paving assembly, the ground surface subjected to rotary tillage is compacted, so that pits for planting Dioscorea alata are formed in the ground surface during regular rolling of the pit making assembly.

The invention discloses a traditional Chinese medicine composition for curing the cerebrovascular accident, and the preparation method thereof. The preparation method is characterized in that the composition is prepared from the following components by the weight part: 25 to 35 parts of cornu cervi pantotrichum, 25 to 30 parts of carapax testudinis, 20 to 30 parts of cuscuta seed, 700 to 900 parts of prepared rehmannia rhizome, 350 to 450 parts of dioscorea alata, 350 to 450 parts of common macrocarpium fruit, 100 to 200 parts of cortex moutan, 100 to 200 parts of alisma rhizome, 100 to 200 parts of hoelen, 50 to 150 parts of cassia bark with the width thereof being more than 0.05 cm and 1 to 3 parts of villous amomum fruit. The effective rate of the patients with the amount of bleeding being less than 50 ml reaches 100%, and the cure rate reaches 81% to 98%.

The invention belongs to the technical field of microcapsules, and provides a cinnamomum camphora essential oil microcapsule and a preparation method thereof. The cinnamomum camphora essential oil microcapsule comprises a core material and a wall material, and the core material comprises cinnamomum camphora essential oil and a cosolvent; the wall material comprises yam polysaccharide and whey protein isolate. According to the invention, the cinnamomum camphora essential oil is used as a core material and packaged in the microcapsule taking the whey protein isolate and the dioscorea alata polysaccharide as wall materials, so that the defects that the cinnamomum camphora essential oil is easy to decompose when being heated and light and is not easy to dissolve in a water-phase system are overcome, and the application field of the cinnamomum camphora essential oil is widened. Meanwhile, the embedding rate of the cinnamomum camphora essential oil is improved by taking whey protein isolate and dioscorea alata polysaccharide as wall materials. In addition, whey protein isolate and yam polysaccharide are used as wall materials, so that the antibacterial property of the cinnamomum camphora essential oil microcapsule is also improved.

The invention relates to the technical field of essential oil microcapsules, and provides an eupatorium adenophorum essential oil microcapsule, a preparation method thereof and an eupatorium adenophorum essential oil modified viscose fiber fabric. The eupatorium adenophorum essential oil microcapsule provided by the invention comprises a capsule wall and a capsule core, the capsule core comprises eupatorium adenophorum essential oil and a cosolvent; the capsule wall comprises whey protein isolate and yam polysaccharide. According to the present invention, the dioscorea alata polysaccharide mainly comprises glucose and mannose, the connection between the glucose and the mannose is mainly based on a beta-glucosidic bond, and a plurality of beta-1, 4-g mannose residues can form a spiral structure, such that the good embedding of the essential oil can be achieved by using the dioscorea alata polysaccharide as the wall material of the microcapsule; moreover, the dioscorea amabilis polysaccharide has good antibacterial performance, so that the microcapsule obtained by embedding the eupatorium adenophorum essential oil by taking the dioscorea amabilis polysaccharide as a wall material also has good antibacterial performance.

The invention belongs to the technical field of biology, and discloses metallothionein DaMT3a and an application of a coding gene of the metallothionein DaMT3a. The full-length cDNA of the Dioscorea alata L. metallothionein DaMT3a gene is cloned for the first time, and gene expression analysis shows that the gene has specific expression in leaves, up-regulated expression under the induction of ethephon and abscisic acid, up-regulated expression under low temperature and high stress and down-regulated expression under mechanical damage stress, so that the gene is possibly closely related to stress resistance of potatoes, and the gene can be used as an important target gene for transgenic breeding of Dioscorea alata L.. Further, the gene is transferred into a prokaryotic expression strain, and the growth of the transgenic strain under normal conditions, heavy metal ions (Cd<2+>), NaCl stress and hydrogen peroxide stress is obviously improved, so that the gene can be used as an important gene resource and can be applied to stress-resistant and heavy metal stress-resistant gene engineering of other plants or microorganisms except for the ginseng and the sweet potatoes.

The invention discloses nutritional vegetables and biscuits for children. The nutritional vegetables and biscuits for children include the following raw materials in parts by weight: 40 parts to 60 parts of low-gluten flour, 20 parts to 30 parts of vegetable juice, 10 parts to 20 parts of nut flour, 10 parts to 16 parts of butter, 8 parts to 10 parts of raw egg yolk, 6 parts to 8 parts of mel, 3 parts to 6 parts of white granulated sugar, 4 parts to 6 parts of edible salt, and 8 parts to 12 parts of water, wherein the vegetable juice is spinach juice, celery juice, green pepper juice or carrotjuice, pumpkin juice or tomato juice and red pepper juice, or the vegetable juice is purple cabbage juice and dioscorea alata Lirm.sp juice; nuts in the nut flour can be walnut kernels, peanuts, chestnuts and badam. The nutritional vegetables and biscuits for the children are crispy and puffy in taste, are easy to chew, are suitable for brain workers such as students and children to eat, and havebetter brain-nourishing and brain-invigorating effects; different colors of the biscuits are shown through adding the different vegetable juices; and compared with the biscuits with different colorsmade of conventional pigments, the nutritional vegetables and biscuits disclosed by the invention have the advantages that nutrient components are more enriched, and healthy growth of the children isfacilitated.

The invention relates to a method for preparing dioscorea alata crisp-cone ice cream. Based on 100 parts (by weight) of raw materials of the ice cream, the ice cream contains 40-80 parts of dioscoreaalata flour, 10-20 parts of powdered whole milk, 8-15 parts of cocoa powder, 12-25 parts of soybean flour, 6-10 parts of starch, 5-10 parts of egg yolk original liquid, 0.2-0.5 part of stabilizer, 4-6parts of fructose dextrose syrup, 8-18 parts of white granulated sugar, 2-8 parts of honey and 250-350 parts of purified water. According to the dioscorea alata crisp-cone ice cream, delicate fragrance of dioscorea alata and mellow fragrance of soybeans are combined, so that the taste is more mellow and more fresher; due to a crisp cone, the ice cream is clear in taste hierarchy, free of additionand high in nutritive value, is purely natural and is suitable for both the young and the old.

The invention discloses a special feed for peace birds and a preparation method thereof. The special feed is prepared from the following formula ingredients in parts by mass: 48-50 parts of chrysanthemum coronarium leaves, 41-43 parts of celery leaves, 20-22 parts of dioscorea alata, 11-13 parts of fish flesh, 18-20 parts of fructus ulmi, 7-9 parts of ants, 9-11 parts of coix seed, 14-16 parts of meat and bone meal, 17-19 parts of kudzu root powder, 12-14 parts of shell powder, 6-8 parts of cottonseed oil, 1-1.5 parts of fine sand and 150-170 parts of water. The special feed is rich in nutrient and scientific in proportioning ratio, the growth of the peace birds is effectively promoted, and the formula contains a celery leaf ingredient, so that the palatability of the feed is effectively improved, and meanwhile, the utilization ratio of the feed is increased.

The invention relates to the technical field of food processing, and in particular relates to a dioscorea alata rice cake and a preparation method thereof. The dioscorea alata rice cake includes the following components in percentages by weight: 55%-62% of glutinous rice, 33%-36% of dioscorea alata, 5%-7% of cassava starch and 0.5%-2% of bruised ginger. According to the dioscorea alata rice cake,the dioscorea alata is added, because the dioscorea alata is rich in nutrients, contains a plurality of human essential nutrients, and can provide a lot of mucin, and the mucin is a mixture of polysaccharide proteins, has a special protective effect on human bodies, can prevent deposition of fat in a cardiovascular system, maintain the elasticity of arteries, is conducive to human health, and easethe high calories and high glycemic index of a rice cake; and the dioscorea alata contains anthocyanin, the anthocyanin is a water-soluble natural pigment, not only has antioxidant and other effects,but also adds a natural color to the rice cake.

The invention discloses a shallow directional cultivation method for sweet potatoes, and relates to the technical field of agricultural cultivation. The method comprises the following steps: immersing potato blocks into an oligosaccharide solution prepared from amino-oligosaccharin and amide-oligosaccharin, airing the potato blocks, uniformly stirring the potato blocks with slaked lime, and airing the potato blocks to obtain seed blocks with seed buds; placing the shallow groove in soil to form a slope surface and compacting the slope surface; placing the seed tubers in the middle of the inclined surface of the shallow groove head for field planting; and spraying an oligosaccharide solution after the sweet potatoes climb the vines. According to the shallow directional cultivation method for the sweet potatoes, the planting method is improved from the aspects of seedling raising, planting modes, daily management and the like, the appearance quality and yield of the sweet potatoes are effectively improved, the production efficiency and commodity value of the sweet potatoes are improved, and large-scale planting can be rapidly achieved.