470 results about "Waxy corn" patented technology

Infant formula containing certain thickening agents useful for treating regurgitation. The thickening agent can be waxy corn starch, waxy rice starch, or a mixture thereof.

The invention relates to a body-building moon cake which is prepared from 111 kinds of raw materials, and belongs to a health-care food in food and drink and can be eaten by men and women and the old and the young. The moon cake is prepared by three layers instead of two layers in the prior art, and rice cakes are made for three times in the preparing process. The moon cake consists of three layers, namely a cake husk outer cladding layer, a cake filler inner cladding layer and a cake center filler layer, wherein the cake husk outer cladding layer takes flour as a main material, waxy corn powder as an auxiliary material, and common salt powder and vegetable oil as seasoning matters; the cake filler inner cladding layer takes 8 kinds of miscellaneous grain crops, 8 kinds of beans and peas and yeast powder as the auxiliary materials and powdered sugar and the common salt powder as the seasoning matters; and the cake center filler layer is synthesized by 7 kinds of raw materials, namely 27 kinds of fruit, 30 kinds of roots and barks, 10 kinds of stem leaves, 15 kinds of flower, 5 kinds of fungi and 2 kinds of the auxiliary materials, and takes the powdered sugar, the common salt powder and gelatinized vegetable oil as the seasoning matters. The moon cake is synthesized by 111 kinds of raw materials together, has three tastes, namely sweet, slightly sweet and salty sweet, and is divided into two kinds of common edible moon cakes and three kinds of edible moon cakes for the Mid-autumn Festival with overall dimension and character marks.

The invention relates to high-dietary fiber five-cereal puffing powder and a preparation method, and belongs to the field of food processing. The five-cereal puffing powder comprises the following raw materials: coarse rice powder, wheat meal, oatmeal, millet meal, glutinous corn meal, soybean meal, wheat bran meal, calcium lactate, ferrous gluconate, zinc gluconate, vitamin B1, vitamin B2 and vitamin B6. A method for processing the five-cereal puffing powder comprises the following steps of: screening coarse cereals, grinding, milling, sieving with an 80-mesh sieve, mixing uniformly in a ratio, adjusting the moisture of materials, balancing the moisture, extruding and puffing by using double screws, drying, crushing, and sieving with a 100-mesh sieve, enhancing mineral elements and the vitamins. The high-dietary fiber five-cereal puffing powder has the characteristics that the puffing powder is prepared from natural grain coarse cereals, emulsifying agents and sweeteners are not added, the mineral elements and the vitamins are enhanced, the content of dietary fibers reaches the specified standard of national high-dietary fiber foods, and the puffing powder can be eaten only by being infused by boiling water, so that the high-dietary fiber five-cereal puffing powder is an ideal nutritional and convenient food which is suitable to be eaten by middle and old-aged people.

The invention provides a cultivation method for nutrient-rich green glutinous corns with fruit flavor, comprising the following steps: A, tillage and film covering, namely, ridging, furrowing in the middle of the ridge to bury the fertilizer, and covering the film; B, selecting the seeds from Green Glutinous Corn No.1; C, pre-sowing treatment, namely, sunning the seeds, soaking the seeds and accelerating germination; D, timely sowing within the following sowing time: March 10th to 30th for spring green corns, July 10th to 30th for autumn green corns; E, artificial pollination, that is, when 30% of female plant ears start to develop silk, pollen is artificially ejected once every two days for continuous two to three times; F, fruit setting, that is, only retaining the topside fruit ear of the plant; and G, water management and pest control. The cultivation method has the advantages that the corn cultivated through the method has shorter stalk than the ordinary glutinous corn and is provided with lodging resistance, strong adaptability, better taste than the ordinary glutinous corn, as well as fruit-type apple aroma.

The invention discloses a skin roll for pets and a preparation method thereof. The skin roll for the pets comprises the following preparation raw materials: line fish flesh, starch, vegetable protein, animal fat, edible gum, a water-retaining agent, a preservative and / or an antioxidant. The line fish flesh is one or several of cod flesh, Spanish mackerel flesh, black sea bream flesh and freshwater fish flesh. The starch is one or several of potato starch, cassava starch, corn modified starch, pre-gelatinized starch, waxy corn starch, corn starch, potato modified starch, cassava modified starch, sweet potato starch and wheat starch. The skin roll has intense fragrance per se, can attract dogs and reinforces the interest and the appetite of the dogs to the product, and the dogs can not be sick of the product after the dogs eat the product for a long time. Meanwhile, fishy skin can replenish nutrient components required by the dogs and finally can be digested very well.

The invention discloses a method for breeding double recessive homozygous sweet-waxy maize hybrid through a sh2 gene type super-sweet maize mutant with high starch content. The collection number of the sh2 gene type super-sweet maize mutant V240TB with the high starch content is CGMCC No.10410. The sh2 gene type super-sweet maize mutant V240TB with the high starch content is hybridized with ordinary waxy maize, and a double recessive homozygous sweet-waxy maize inbred line with the high starch content is obtained. Two double recessive homozygous sweet-waxy maize inbred lines with the high starch content are matched, and the double recessive homozygous sweet-waxy maize hybrid is obtained and has higher sugar content than the ordinary waxy maize and higher starch content than ordinary super-sweet maize, and the starch is all amylopectin. The bred double recessive homozygous sweet-waxy maize hybrid inbred line and hybrid with the high starch content integrate respective advantages of sweet maize and waxy maize, the sweetness is high, the waxiness is good, the maize kernels have identical appearance and maturity, and meanwhile, the seed germination percentage reaches the standard of ordinary maize.

The canned or bottled sea cucumber porridge is produced with sea cucumber 1-8 weight portions, glutinous rice 2-8 weight portions, glutinous corn 2-8 weight portions, sugar 3-4 weight portions and water 50-70 weight portions. As one high grade health food, the sea cucumber porridge has the health functions of invigorating kidney, benefiting life essence and nourishing blood.

The invention discloses a blueberry and waxy corn juice and a processing method thereof. The juice comprises, by weight, 18-30 parts of blueberry, 8-15 parts of pyracantha fortuneana fruit, 50-80 parts of purplish black waxy corn, 6-10 parts of durian pit, 10-20 parts of a dark plum juice, 2-3 parts of lychee seed, 2-3 parts of white gourd peel, 1-2 parts of hawthorn seed, 2-4 parts of Helianthus tuberosus, 1-3 parts of pueraria flower, 1-2 parts of Chinese fevervine herb, 2-3 parts of persimmon leaf, 1-2 parts of Lagotis Gaertn, 6-12 parts of a food additive, 15-25 parts of rice wine, and a proper amount of water. The adoption of blueberry and purplish black waxy corn rich in phenol compounds and anthocyanidins in the invention improves the body anti-oxidation function, and the synergistic effect of blueberry, purplish black waxy corn and other many traditional Chinese medicinal extract products makes the juice remove the advantages of removal of body toxins, reduction and stabilization of the blood pressure, blood sugar balance recovery, comprehensive recovery of the body functions and human body health benefiting after frequent drinking.

The invention discloses a greenhouse watermelon and greenhouse broad bean rotation method of facility resource continuous utilization. Watermelon vines are pulled away and a greenhouse is cleaned after greenhouse watermelons are collected from August to October of the first year. Broad bean seeds are directly seeded on or broad bean seedlings after manual vernalization are transplanted on mulching films on two sides of an original drip irrigation zone. Broad bean straws are buried green and returned to fields from May to June of a next year, soil is activated, and soil organic matter is improved. The greenhouse is sealed in July of the next year. Autumn waxy corns are planted in the beginning of August of the next year, and fresh corns are harvested and come into the market in the last ten-day period of October. The corn straws are buried green and left mulching films in the field are cleaned in November of the next year. Watermelon plant facility and watermelon seedlings bed for the next year are prepared in December of the next year. According to different crop rotation time of the greenhouse watermelons, broad bean seeds are directly seeded or broad bean seedlings after the manual vernalization are transplanted for forcing culture, and therefore time of broad bean fresh pods to market can be shifted to earlier time from January to June.

The invention belongs to the wallpaper adhesive industry, and especially relates to a glutinous rice adhesive being easy to blend and convenient to construct and used for wallpaper pasting, and a preparation method thereof. The glutinous rice adhesive being easy to blend and convenient to construct and used for wallpaper pasting is mainly prepared from, by weight, 600-700 parts of deionized water, 20-60 parts of glutinous rice flour, 60-100 parts of waxy corn starch, 20-30 parts of corn starch, 30-60 parts of wheat starch, 20-40 parts of potato starch, 20-40 parts of cassava starch, 0.1-0.5 parts of a cross-linking agent, 10-18 parts of a cationic etherifying agent, 30-40 parts of an anionic etherifying agent, 30-50 parts of a catalyst, 2-5 parts of a wetting agent, 10-15 parts of a bactericide and 5-8 parts of a mildew inhibitor. The glutinous rice adhesive product used for wallpaper and wall cloth adhesion, prepared in the invention, has the advantages of easy blending, improvement of the construction adhesive blending preparation efficiency, good coating levelability, and facilitation of pattern splicing and joint aligning of wallpaper and wall cloth construction.

The invention relates to a special corn biomass-based adhesive, and belongs to the field of deep processing of corn starch. The adhesive is prepared from the following components in part by mass: 80 to 120 parts of waxy corn oxidized-hydroxypropyl starch, 150 and 250 parts of deionized water, 3 to 4 parts of sodium hydroxide, 10 to 15 parts of vinyl acetate, 4 to 8 parts of polyvinyl alcohol, 0.5 to 1 part of boric acid, 3 to 5 parts of urea and 2 to 3 parts of preservative. The method for preparing the adhesive comprises pulp blending, gelatinization and graft copolymerization. The adhesive of the invention has the advantages of good viscosity stability, long shelf life and high fluidity and transparency. In the adhesive produced by the method, 90 percent of solids are degradable, and if the special corn biomass-based adhesive of the invention is used for replacing the polymer adhesive, pollution can be greatly reduced, and the environmental protection requirements on the production process and the using process are met.

The invention belongs to the field of auxiliary binders in the wallpaper industry and particularly relates to an esterified-starch-modified waxy corn wet glue. The esterified-starch-modified waxy corn wet glue is mainly prepared from the following raw materials in parts by weight through gelatinization, cross-linking and complexation: 76-77 parts of de-ionized water, 5-7 parts of esterified starch A, 3-5 parts of esterified starch B, 4-6 parts of oxidized starch, 4-6 parts of modified waxy corn starch, 0.5-0.8 part of acrylamide, 0.1-0.15 part of nonferrous aluminum sulfate, 0.4 part of sodium benzoate, 0.1-0.15 part of a defoaming agent, 2 parts of urea, 1-1.2 parts of ethylene glycol, 0.2-0.4 part of a bactericide and 2-4 parts of white latex. The invention also provides a preparation method of the modified waxy corn wet glue. The esterified-starch-modified waxy corn wet glue, disclosed by the invention, is extracted and purified from natural waxy corns, belongs to circular plant products and is a renewable resource, so that the policy of saving energy in China is performed better; and meanwhile, the esterified-starch-modified waxy corn wet glue has the advantages of strong bonding power and capabilities of being mixed with water for 100%, improving the bonding area of wallpaper and reducing decoration cost for a user.

The invention discloses a method for developing waxy1-gene internal molecule markers on the basis of association analysis and KASP. One indel and two snap markers located in waxy1 gene and remarkablyassociated with content of amylase are found out mainly through genome-wide association study and candidate gene association analysis techniques; the detected indel is marked as a major mutant type ofglutinous maize in China; glutinous maize materials can be identified through agarose gel by the markers developed on the basis of the indel, and convenience and rapidness is achieved as compared with that of original polyacrylamide gel identification; meanwhile, paired linkage disequilibrium test of 59 parts of waxy1-gene sequence regions of maize hybrid line materials is performed, close linkage of the indel marker and the two snp markers is tested, primers of the two snps are developed on the basis of the KASP technology, the glutinous maize materials can be identified rapidly, efficientlyand accurately, and molecular breeding of glutinous maize is facilitated.

The invention discloses multi-cereal staple food flour and a production method thereof and belongs to the field of food. The multi-cereal staple food flour comprises, by weight, 50-80 parts of wheat flour, 5-20 parts of soybean flour, 5-10 parts of extrusion waxy corn flour, 5-10 parts of millet flour, 5-20 parts of green gram flour and 1-10 parts of vital gluten. The wheat flour and the multi-cereal flour are used as raw materials to form a basic formula. Coarse cereal flour with different functions can also be added to form a special formula. Trace elements, vitamin, dietary fiber content and amino acid scores of the multi-cereal staple food flour are higher than those of common wheat flour, glycemic index of the multi-cereal staple food flour is lower than that of common wheat flour, and the multi-cereal staple food flour has good nutrition and health care value.

The invention discloses a breeding method for black and white sweet glutinous hybrid maize. The breeding method for black and white sweet glutinous hybrid maize comprises the steps of selecting ultra-sweet maize, glutinous maize, a common high yield multi-resistance maize-inbred line and the like from different regions to be equivalently mixed, openly pollinating the maize, establishing a basic group A, selecting black glutinous maize germplasm from different regions to be equivalently mixed, openly pollinating the maize, and establishing a basic group B; then carrying out recurrent selection to the properties of seeds of the maize to respectively form a white sweet glutinous maize recurrent selection group A and a black sweet glutinous maize recurrent selection group B, obtaining a serious inbred line through multi-generation inbreeding, and screening a white sweet glutinous maize inbred line 4587 and a black sweet glutinous maize inbred line 3303 through combination ability measurement and cross combination quality identification to obtain 4587 X black 3303 hybrid. The breeding method can ensure both the glutinous and sweet genes of a parent inbred line and the hybrid of the parent inbred line, and also ensure the appearance quality, the favorable edible quality, the stability and the consistency of the hybrid. Moreover, the seeds of the maize are black and white.

A lactobacillus fermented sweet glutinous corn beverage with special nutritive value and taste and health-care function is prepared from sweet glutinous corn through sterilizing, inoculating composite lactobacillus zymophyte, slow fermenting at medium temp in non-oxygen condition, mixing with auxiliary, homogenizing and high-temp sterilizing.

The invention discloses starch grafted acrylamide and a preparation method and application thereof. The preparation method comprises the following steps: preparing waxy corn starch milk and adding an expansion inhibitor; adding alkali to adjust the starch milk to a certain pH value, adding a cationic reagent, and performing a cationic reaction at the temperature of 70-90 DEG C; taking acrylamide as a monomer, adding an initiating agent, performing a graft copolymerization reaction in a water phase of 40-80 DEG C, separating, drying and smashing to obtain the starch grafted acrylamide. By adding the prepared starch grafted acrylamide into the wet part of a papermaking machine in a certain mass ratio, the physical strength of produced paper can be enhanced.

The invention relates to agricultural machinery, in particular to a peeling mechanism for removing bracteal leaves from fresh corn ears, in particular to a device for efficiently peeling corn ears at a low smashing rate. The device comprises a feeding hopper, a discharging hopper, a transmission system and a frame, wherein the frame is provided with an engine base; the engine base is provided with a peeling roller device; the peeling roller device comprises at least two pairs of peeling rollers which are meshed in parallel with each other; the peeling rollers consist of fixed peeling rollers and floating peeling rollers; the surface of each fixed peeling roller is provided with metal strip-shaped spiral bumps and inverted V-shaped bracteal leaf cutting teeth; the floating peeling roller close to one side of the feeding hopper is provided with rasp bar-shaped peeling teeth; and the other side is provided with rubber trapezoidal peeling teeth. The device is particularly suitable for fresh corns (such as fruit corns, waxy corns and sweet corns) with high moisture and tight bracteal leaves, fodder corns, corn seeds and the like, and has a good peeling effect, high efficiency and low smashing rate.

The invention discloses a black waxy-corn wine and a brewing method. The wine takes black waxy-corn as raw material, and is prepared through a plurality of procedures such as imbibition, shelling, de-embryonation, storage in a jar, adding sacchariferous agent / fermenting agent / enzyme preparation, fermentation, pressing, clarification, heating, aging and filtering. The invention adopts puffing technology instead of steaming method, as a result, the problem that the maize is difficult to steam is solved, and contamination by rice-pulp water is avoided; the procedures of rice soaking, steaming and stir-frying are left out, and energy can be saved by 35 percent; the working environment and the sanitary condition are improved, large amount of water is saved and loss of starchy is reduced; the production cost is lowered and the productivity is improved. The product has rich nutrients and sound health-care effect; the product is characterized by excellent quality: orange-yellow or puce appearance, fresh, crystal and bright; with special mellowness of rice wine, free of any strange sweetness; tasty and refreshing and free of any off-flavor; the wine body is well-coordinated, and has typical features of rice wine.

The invention relates to the technical field of agriculture, which is a cultivating method for prolonging the picking time of fresh ears of sweet and waxy corns, applies a method of overall planning integration, and constructs a comprehensive cultivating technical system which takes warming, staging, and assortment-matching as main bodies. Premature breeds are adopted to grow seedlings which are grown by film mulching, and fresh ears are picked 20 days beforehand. Seedlings are scientifically planted by stages (3-4 stages), and fresh ears are deferred for 30 days to pick. Early, middle and lately mature breeds are matched and planted, and 30 days are prolonged to pick up fresh ears. The invention assures breeds according to the climate environment and market requirements, assures planting period numbers according to the biological performance of breeds, and assures warming planting styles according to the operating and manufacturing strength, and organically combines warming, staging, and the breeds-matching technique through overall consideration and optimum assembly. The invention effectively utilizes light, water and heat resources, improves manufacturing performance, and realizes double efficiency-increasing of planting and processing, and the continuous picking of fresh ears reaches 80 days.

The invention discloses a corn starch composite membrane as well as a preparation method and applications thereof. The corn starch composite membrane comprises corn starch, glycerol and an enhancer, wherein the enhancer is nano CaCO3, waxy corn starch nanoparticles or chitosan, the mass ratio of the corn starch to glycerol is equal to (6.5-8.0):(1.5-3.0), when the enhancer is nano CaCO3 and waxy corn starch nanoparticles, the masses of the enhancer / corn starch are respectively 0.02-0.5, and 1-25; when the enhancer is nano CaCO3 or chitosan, the mass ratio of nano CaCO3 and corn starch is 0.06, and the mass ratio of chitosan and corn starch is 10-50; the size of the nano CaCO3 ranges from 30nm to 50nm; and the size of the waxy corn starch nanoparticles is 70-120nm. The mechanical performance of the composite membrane is obviously improved; the light transmittance and moisture penetrability of the membrane can be reduced; the thermal characteristic is better; the thermal stability of the composite membrane is higher than that of the corn starch membrane; and the corn starch and the nano CaCO3 particles have better compatibility.

The invention relates to a preparation method of pearl powder round, comprising the steps of preparing a konjac sol, preparing a compound protein solution, wet granulating, vacuum sealing and sterilizing at high pressure. The pearl powder round is prepared by carrying out physical blending on cassava starch, konjac glum, waxy corn powder and the compound protein solution, and the prepared powder round is elastic and has high edible safety, high nutritional value and a good health care effect.

The invention discloses a preparation method of beta-carotene microcapsules. Various solvents are used in most existing methods, wherein some solvents such as grease will exist all the time with products after high temperature treatment, and most of the methods have complex technology and use a lot of raw materials. The method comprises: dispersing 100 parts of dry basis waxy corn starch to 30%-40% of starch milk by adding water, and after adjusting the pH value to be 5.5-6.5, enzymatically hydrolyzing in the presence of 0.1-1 parts of high temperature resistance alpha-amylase at the temperature of 75-90 DEG C for 10-30 minutes; and then adding the melts of 1-10 parts of beta-carotene, 1-3 parts of octenyl succinic anhydride and 0-30 parts of plant oil dropwise in a uniform speed to the obtained starch milk within 30-90 minutes under the protection of nitrogen, and after the addition, proceeding to shearing emulsification for 30-60 minutes and maintaining the pH value of the system being 8-9. The method uses low-cost raw materials to replace commercial emulsification embedding materials for directly preparing the beta-carotene microcapsules, with simple technology and saved cost.

The present invention discloses a special flour for full nutritional corn biscuits and a production method thereof. The production method includes the following steps: 4% of calcium carbonate is added in the corn flour and stirred to be mixed evenly, and the feed with a water content of 30% is processed by extrusion and puffing and cut into corn granules, and then the corn granules are air-dried or oven-dried; the dried and extruded corn granules are grinded to reach a fineness of above 100 mesh with a grinder, and the nutritional puffed flour is obtained; all the materials are blended together according to the weight percentage of the raw materials, mixed well, and packaged by measurement; the accessory ingredients are added, and then mixed and stirred evenly; the special flour for full nutritional corn biscuits comprises the following components in weight percentage: 55% of waxy corn flour, 20% of nutritional puffed corn flour, 10% of wheat flour, 6% of vital gluten, 5% of soy protein powder and 4% of whey powder. The special flour for full nutritional corn biscuits is rich in calcium, protein and dietary fiber, has strong corn fragrance, is crisp, tasty and digestible, and has high corn content, and the product has good mouthfeel.

A planting method for improving maize yield comprises the steps of applying base fertilizer, seeding, planting, primary topdressing, preventing pests and diseases, secondary topdressing, harvesting and the like. The method is characterized in that a sandy loam land which is fertile in soil, convenient to irrigate and drain and good in ventilation is selected to be sufficiently applied with the base fertilizer. Generally, an acre is applied with 20 kilograms of nitrogenous fertilizer, 9 kilograms of phosphate fertilizer, 4.5 kilograms of potash fertilizer and 0.3 grams of potassium sulfate; seeding is carried out when the air temperature is stabilized above 16-17 DEG C, 1.5-2 kilograms of seeds are seeded in each acre, and the planting density is preferably 4000 plants; the primary topdressing is carried out from a seedling stage to a trumpet stage, and the fertilizer type and fertilizing amount are the same as those of the base fertilizer; medicine is applied timely; when maizes just sprout, the secondary topdressing is carried out, and the fertilizer type and fertilizing amount are the same with those of the primary topdressing; and generally, harvesting can be carried out for 20-28 days after the pollination. The method is used for solving the problems of yellow grow corn cob skins, poor maize quality, low market price and poor benefit of waxy corn planting with once fertilizing, and is suitable for planting various maizes.

The invention relates to a method for producing turbid and scented distilled spirit, in particular to the method for producing the turbid and scented distilled spirit from a plurality of raw grains and special pit mud in different proportions. Raw materials are one or more of wheat, sorghum, pea, Kamiya rice (namely millet), corn (preferably waxy corn), defatted sesame, defatted peanut and defatted soybean; by adopting a traditional solid brewing process, different selected Chinese herbal medicines are added in the process of culturing fermented mud according to different scents, so that the culture of microorganisms and active ingredients can obtain maximum performance. Therefore, the distilled spirit produced by fermenting the materials in a solid fermenting tank in the invention has stable quality, mellow palate, and long and persistent aftertaste; the distilled spirit can comfort and relax a drinker and has a milky taste; the distilled spirit is thick but not strong, soft but not little, and difficult to get drunk but easy to sober up; and the distilled spirit also has the effects of relieving rigidity of muscles and promoting blood circulation and prolonging life.

The invention provides a maize Ms8 gene mutant as well as a molecular identification method and application thereof, belonging to the technical field of gene engineering. A waxy corn variety namely Jingkenuo 2000 is subjected to cobalt60 radiation induced mutation to induce a basic group T in a sixth exon of a maize beta-1,3-galactosyl transferase (Ms8) gene to mutate into a basic group C, thereby resulting in that a tyrosine is transformed into a histidine. The Ms8 gene mutant is named as ms8-4505, a nucleotide sequence thereof is shown by SEQ ID No.1, the mutant is further proved to cause maize recessive male sterility, and the mutant can be used for preparing a maize selfing line and transgenic maize with recessive male sterility, and plays an important role in genetic improvement breeding of maize germplasm resources. The invention also provides a molecular marker identification method of the mutant and application of the mutant in breeding and seed production.

The invention discloses a method for rapidly breeding a sweet-waxy double-recessiveness maize selfing line. Self pollination or intraspecific free powder scattering is conducted on existing sweet-waxy maize varieties, seeds with the phenotype being sunken shrinking are selected from clusters obtained through selfing to be planted, and the stable sweet-waxy double-recessiveness maize selfing line is obtained after continuous selfing. According to the method, the sweet-waxy selfing line does not need to be bred by oneself, adopted materials are simple and easy to obtain, operation is easy and convenient, cost is low, and the breeding term is short. The invention further discloses the method for rapidly breeding the sweet-waxy double-recessiveness maize selfing line. Different sweet-waxy maize varieties are respectively planted according to different sweet genes, the interspecific crossing free powder scattering is conducted on varieties the same in sweet gene, the seeds with the phenotype being sunken shrinking are selected, and the stable sweet-waxy double-recessiveness maize selfing line is obtained after continuous selfing. According to the method, gene polymerization is facilitated, the excellent sweet-waxy double-recessiveness selfing line is easier to select, and a good foundation is laid for widening the maize germplasm resources.