49 results about "Potato-bean" patented technology

The invention discloses a method for preparing total saponins and polysaccharides from Apios americana flowers simultaneously and relates to the technical field of plant extraction. The method comprises the following steps: (1) harvesting raw materials, cleaning and drying; (2) reflux-extracting with ethanol, and filtering to obtain a supernatant and filter residues; (3) defatting the supernatant with petroleum ether, extracting with n-butanol, performing adsorption and elution, concentrating, and drying to obtain powdery Apios americana flower saponins; (4) removing the solvent from the filter residues, reflux-extracting with water, filtering, collecting and mixing the filtrates; and (5) decolorizing the filtrate, performing deproteinization, concentrating, precipitating with alcohols, dialyzing and concentrating, and drying to obtain Apios americana flower polysaccharides. The method has the advantages of simple process, high yield and low cost. Besides, the total saponins and polysaccharides of Apios americana flowers are prepared simultaneously, have high purity and strong activity, and can be widely used in pharmaceuticals or functional foods with antioxidant and blood sugar regulating effects.

The invention discloses a method for preparing a probiotic fungicide for preventing panax notoginseng continuous cropping diseases, belonging to the field of microbial fermentation. The method comprises the steps of fermenting, namely respectively culturing individual production strains of the probiotic fungicide into a primary seed solution, inoculating to a culture medium which takes corn flour-potato-bean pulp as a principle component for performing aerobic mixed fermentation and enlarged cultivation, wherein the production strains are selected from seven bacteria-fungi such as bacillus subtilis; and adsorbing and immobilizing the fermentation end products to turf charcoal so as to prepare a solid fungicide. The continuous cropping diseases which are ubiquitous in the conventional panax notoginseng plantation technology are solved, and continuous cropping and continuous harvest can be realized in the panax notoginseng planting fields after the panax notoginseng is planted for 2-3 years. The preparation method has the outstanding characteristics of low production cost, short fermentation period and high flora density. According to the fungicide, dead seedlings, yellow seedlings, wither, dried leaves, root rot and other ecological soil symptoms in the panax notoginseng planting process can be prevented; and meanwhile, according to the method, root growth can be promoted, the soil is loosened, strong seedlings are cultivated, and pesticide and fertilizer residues are removed and the obvious function of ecologically repairing the soil is achieved.

The invention discloses an assoeted sweet potato agar-agar jelly and a preparation method thereof. The assoeted sweet potato agar-agar jelly is mainly characterized in that an agar-agar jelly body (1) of the assoeted sweet potato agar-agar jelly contains one or more than one food and / or subsidiary foodstuff (2), and the blocky or sheet or bar-shaped agar-agar jelly body (1) is sterilized and packaged in a packing bag (3). The preparation method of the assoeted sweet potato agar-agar jelly takes sweet potato starch as a main material, and is mainly characterized in that the sweet potato starch is performed according to eight steps: stirring, heating, adding of auxiliary material food and / or the subsidiary foodstuff, plate loading, steaming, cooling, cutting, and packing. The assoeted sweet potato agar-agar jelly has the characteristics of good taste, high edible value, good sanitary conditions, convenient storage and transportation, long quality guarantee period and so on. The preparation method of the assoeted sweet potato agar-agar jelly has the characteristics of reasonable and advanced process, high production efficiency, capability of ensuring the quality of a finished product of the assoeted sweet potato agar-agar jelly and so on. The invention develops a novel finished product and provides a novel preparation method for a traditional food sweet potato agar-agar jelly in our country.

The invention discloses Apios americana Medikus flower polysaccharide and a preparation method thereof. The preparation method comprises the following steps: (1) preparing a crude product of Apios americana Medikus flower polysaccharide, namely mixing Apios americana Medikus flowers with distilled water, sequentially carrying out extraction, pulping, centrifugation and concentration, so as to obtain concentrated liquid, adding ethanol into the obtained concentrated liquid until the final concentration of the ethanol is 80+ / -5%, standing at 4+ / -1 DEG C for 24+ / -2h, and collecting precipitates, so as to obtain the crude product of the Apios americana Medikus flower polysaccharide; and (2) purifying the Apios americana Medikus flower polysaccharide, namely carrying out activated carbon decoloration and Sevage-method deproteinization on the Apios americana Medikus flower polysaccharide. The prepared Apios americana Medikus flower polysaccharide contains a beta-glucosidic bond, a pyranose ring, glucose, fructose and xylose, and the molar ratio of glucose to fructose and to xylose is 1.79 to 1 to 0.03.

The invention discloses self-heating northern-Sichuan sweet potato bean jelly and a production process thereof.The production process includes preparing northern-Sichuan bean jelly packets, and the process to make the northern-Sichuan bean jelly packets includes pretreating fermented soybean, garlic, bean halves, pepper, peanuts, and sesame, weighing various materials to fry with hot and spicy sauce, uniformly stirring pepper oil and northern-Sichuan boiled oil, and filling by a filling machine; the process to package the self-heating northern-Sichuan sweet potato bean jelly includes jointly packaging the northern-Sichuan sweet potato bean jelly packets, northern-Sichuan sweet potato sauce packet, a spoon, a water packet, a market bag, and a heating bag into a box.The sweet potato bean jelly of different formulas is developed according to regional dietary habit, and content and nutrition are enriched.The convenient self-heating northern-Sichuan sweet potato bean jelly comprises the northern-Sichuan sweet potato bean jelly packets, the sauce bag and the self-heating package, and needs of customers for different flavors and hot bean jelly are met.

The invention discloses an Apio americana medikus leaf flavone extract, a preparation method and applications thereof, wherein the Apio americana medikus leaf flavone extract contains 78-87% by mass of total flavonoids, the total flavonoids contain vitexin and schaftoside, and by using the Apio americana medikus leaf flavone extract as the reference, the mass fraction of the vitexin is 45-50%, and the mass fraction of the schaftoside is 19-24%. According to the present invention, by using the Apio americana medikus leaf as the object to extract the flavone substances, the obtained Apio americana medikus leaf flavone extract is rich in flavones, especially vitexin and schaftoside, can effectively inhibit the activity of alpha-glucosidase, can promote the carbohydrate metabolism of cells, and has blood glucose lowering activity.

The invention discloses carrot and sweet potato bean vermicelli and a processing method thereof. The carrot and sweet potato bean vermicelli is prepared from the following raw materials in parts by weight: 60 to 100 parts of sweet potato, 40 to 60 parts of carrot, 20 to 40 parts of black potato, 20 to 25 parts of polished round-grained rice, 14 to 16 parts of pinenut kernel, 2 to 3 parts of broom top,1 to 2 parts of eucommia ulmoides male flower, 2 to 3 parts of sea-buckthorn leaves, 2 to 3 parts of sedum sarmentosum, 2 to 3 parts of flos mume, 2 to 3 parts of medlar leaves, 1 to 2 parts of clerodendranthus kudo, 1 to 2 parts of oriental paperbush flower, 1 to 2 parts of pupa protein, 1 to 2 parts of fructus schisandrae pollen, 30 to 40 parts of cassava starch, a proper amount of jujube vinegar, and 8 to 12 parts of a nutritional additive. The carrot and sweet potato bean vermicelli prepared by the processing method is rich in nutritional components, such as vitamin C, dietary fibers and anthocyanin by adding the raw materials, such as the carrot and the black potato, has rich and balanced nutrients, can improve the immune function of a human body, and can effectively regulate body functions and improve disease-resistant physique by adding a plurality of traditional Chinese components with the functions of invigorating spleen, tonifying kidney, diminishing inflammation, resisting germs, protecting liver, detoxifying, clearing liver, improving eyesight and the like.

The invention relates to sweet potato bean jelly and a making method of the sweet potato bean jelly. The sweet potato bean jelly comprises the following ingredients of, by mass, 50% to 70% of sweet potato starch, 20% to 40% of corn starch, 0.2% to 2% of disodium hydrogen phosphate, 0.2% to 2% of salt, 0.2% to 2% of sodium pyrophosphate and 0.1% to 1% of xanthan gum. Compared with the prior art, according to the sweet potato bean jelly and the making method of the sweet potato bean jelly, product quality can be improved, production cost can be reduced, the water-retaining property can be enhanced, and food safety and sanitation can be improved.

The present invention relates to a sweet potato bean jelly and a preparation method thereof. The sweet potato bean jelly contains the following components in mass percentage: sweet potato starch 60-70%, mung bean starch 20-30%, compound phosphate 0.1-1.5%, edible salt 0.2-2%, carrots 1-5%, and xanthan gum 0.1-1%. Compared with the prior art, the provided sweet potato bean jelly production method can improve the product quality, reduce the production costs, enhance the water-retaining property, and enhance food safety and hygiene.

The invention discloses high-resistance starch purple sweet potato bean vermicelli and a preparation method thereof. Autoclaving treatment is carried out on purple potato starch, and full starch dextrinization and ageing processes are carried out, so that formation of a novel dietary fiber (resistant starch) is promoted; the treated purple sweet potato starch with high-resistance starch content is applied to preparation of purple sweet potato bean vermicelli; the content of the dietary fiber in the product can be obviously improved; and meanwhile, the resistant starch almost has no adverse effect on products due to the processing property close to that of raw starch. No white alum is added, the high-resistance starch purple sweet potato bean vermicelli has good healthcare efficacy, is capable of effectively supplementing the dietary fiber required by a human body after being eaten for a long period of time, and has good effects on prevention and treatment of hyperglycemia, hyperlipidemia, hypertension, obesity and the like caused by insufficient dietary fiber intake. Metabolism of the purple sweet potato resistance starch in the body is very slow, so that the high-resistance starch purple sweet potato bean vermicelli is low in blood glucose production index and is suitable for hyperglycemia people for eating.

The invention relates to a full-automatic sweet potato bean sheet jelly maker. The full-automatic sweet potato bean sheet jelly maker comprises a stirring barrel, a mounting frame I, a transmission shaft, a motor I, a pressing plate, a material pressing barrel, a discharge opening, an electromagnetic valve II, a squeezing tank, a cooling tank, a transmission roller, a mounting shaft, a motor II, acondensing device, a conveyer belt, a drying device, a shearing device, a collecting barrel and bean sheet jelly. The full-automatic sweet potato bean sheet jelly maker is characterized in that the other end of a hydraulic rod is connected with a pressing plate; the pressing plate is located in the material pressing barrel; the material pressing barrel is connected with the stirring barrel through a connecting pipe; the cooling tank is arranged under the squeezing tank; the transmission roller is mounted in the cooling tank; the motor II is connected with the transmission roller; the bean sheet jelly passes by the transmission roller; and the shearing device is arranged between the conveyer belt and the collecting barrel. According to the full-automatic sweet potato bean sheet jelly makerdisclosed by the invention, automatic cooling, automatic drying and automatic slitting are realized, so that the production efficiency is improved, and besides, the production cost is also reduced.

A purple sweet potato bean curd and a method for preparing the same. The raw materials of the purple sweet potato bean curd comprise 79.5 to 81.5 % of water, 13.5 to 14.5 % of soybeans, 4.5 to 6.5 % of purple sweet potato juice and 0.2 to 0.3 % of gluconic acid-delta-lactone. The method comprises heating soybean milk to 98 DEG C to 100 DEG C, uniformly mixing the soybean milk with the purple sweet potato juice after the soybean milk is cooled to 30 DEG C and then adding the gluconic acid-delta-lactone to get a mixture, heating and homogenizing the mixture under the pressure of 10 MPa to 15 MPa to get a homogeneous liquid, and disinfecting and then cooling and setting the homogeneous liquid to form the purple sweet potato bean curd. The purple sweet potato bean curd perfectly combines the efficacy of the bean curd and the purple sweet potato juice, and effectively improves nutrition and flavor of the bean curd.

The invention relates to a preparation method for celery bean vermicelli, and belongs to the field of food processing. The preparation method for celery bean vermicelli is characterized by comprising the following steps: (1), thickening: juicing celery, mixing sweet potato starch with celery juice into paste, adding water into the paste and stirring, heating and stirring constantly to obtain starchy sauce; (2), adding the sweet potato starch into the starchy sauce obtained in step (1), then adding the celery juice and water for mixing, stirring with a blender, and kneading to form dough; (3), putting the kneaded dough into a leakage gourd ladle, gently pressing the dough to conduct powder leakage, leaking into the boiling water, taking out, putting into circulating cold water for cooling, airing bean vermicelli after cooling, and packaging after the bean vermicelli is dried. According to the invention, by the addition of the celery juice into the sweet potato bean vermicelli, the bean vermicelli obtained are nice in color and delicious in taste; nutrient elements in the sweet potato and the celery juice are complementary, therefore the nutritional value of bean vermicelli is improved, and the gap of the market is filled up.

The invention discloses beef jerky with purple potato and bean fragrance and a processing method thereof. The beef jerky is composed of the following raw materials by weight: 350-500 parts of beef, 35-70 parts of purple sweet potato, 20-40 parts of black potatoes, 30-50 parts of black beans, 10-15 parts of tomato seeds, 10-15 parts of pickled chilli, 30-50 parts of rice wine, 5-8 parts of pepper powder, 2-3 parts of Scammoniae radix, 1-2 parts of chachi citrus leaf, 2-3 parts of Origanum majorana, 1-2 parts of viola diffusa ging, 2-3 parts of flaxseed, 10-20 parts of salt and a proper amount of nutrition and health care liquid. The beef jerky with purple sweet potato bean fragrance prepared by the invention has the advantages of spiciness, crispness, deliciousness, refreshing, unique flavor, rich and balanced nutrition and high health value, can promote digestion and absorption, enhance immune function, restore the normal metabolic function, prevent cancer, protect heart, benefit brain, resist aging, and is beneficial to human health.

The invention discloses weight-losing application of a apios americana flower ethanol extract and provides novel resources for developing natural weight-losing products in the fields of medicine, foodsciences and the like. According to the weight-losing application disclosed by the invention, proved by an experiment of inducing obese mice by high fat diet, the apios americana flower ethanol extract has the advantages that body weight of the obese mice can be remarkably reduced, the contents of triglyceride and total cholesterol in serum and liver are reduced, and the effects are comprehensiveand obvious. Therefore, the apios americana flower ethanol extract disclosed by the invention is applied to prepare weight-losing food or drugs so as to treat and prevent obesity and associated chronic diseases thereof.

The invention discloses application of the polysaccharide of the flowers of Apios americana Medikus to reduction of lipidosis in hepatocytes. A preparation method for the polysaccharide of the flowersof Apios americana Medikus comprises the following steps: 1) preparation of a crude polysaccharide product of the flowers of Apios americana Medikus: mixing the flowers of Apios americana Medikus with distilled water, carrying out extraction at first, then carrying out smashing, centrifugation and concentration, adding ethanol in the obtained concentrate until the final concentration of ethanol is 80 + / - 5%, carrying out standing at 4 + / - 1 DEG C for 24 + / - 2 h, and then collecting a precipitate so as to obtain the crude polysaccharide product of the flowers of Apios americana Medikus; and 2)purification of the crude polysaccharide product of the flowers of Apios americana Medikus: subjecting the crude polysaccharide product of the flowers of Apios americana Medikus to decoloring with active carbon and Sevage-process deproteinization.

The invention discloses a dried orange peel and potato bean cake and a preparation process, wherein the dried orange peel and potato bean cake comprises the following raw materials: 40 parts of sweet potato, 20 parts of mung bean powder, 2 parts of lily powder, 2 parts of black sesame, 3 parts of dried orange peel powder, 2 parts of salt and 3 parts of maltose; the preparation process comprises the steps of peeling, mixing, molding, second boiling, powder spraying and drying; the dried orange peel is taken as an important raw material and is added into a potato bean cake; under the neutralization of the special local flavor of dried orange peel, the potato bean cake tastes good but not too sweet or too oily; the dried orange peel and potato bean cake has advantages of stable molding, easy processing, high fiber, low fat and no chemical additive, and is healthy and nutrient.

The present invention belongs to the technical field of edible bean vermicelli productions and relates to a method of using rice bran water to prevent bean vermicelli adhesion in a production of sweet potato bean vermicelli. The method comprises the steps of starch manufacturing, water adding into the starch to conduct beating and dough kneading, bean vermicelli pressing by a bean vermicelli machine, bean vermicelli steaming using a steaming pot, cooling, air-drying or sun-drying, and packaging. A step of a bean vermicelli separation by using the rice barn water is arranged between the cooling and the air-drying or sun-drying steps: after the cooling step, the cooled bean vermicelli is put into the rice bran water to be soaked for 1-2 min, the soaked bean vermicelli is taken out to be air-dried for 5-15 h, then water is added onto the bean vermicelli, then the bean vermicelli is kneaded softly using hands, the bean vermicelli is naturally dispersed, then the dispersed bean vermicelli is air-dried or sun-dried, and the dried bean vermicelli is packaged. Advantages are as follows: in the entire production processes, not any harmful substances are added, the method is safe and environmentally friendly, and the products are not sticky, transparent in color and luster, pure, good in toughness, not burnt in a long cooking, good in mouthfeel, and suitable for the entering into higher consumption levels and wider consumer areas to obtain higher profits.

The invention discloses a preparation method of new-flavor purple potato bean vermicelli. The preparation method comprises the following steps: (A) cleaning materials; (B) crushing the materials and filtering; (C) extracting purple potato powder and collecting; (D) airing the purple potato powder; (E) mixing and stirring the materials, namely adding 10% of water into 30% of purple potato powder, stirring for 15-25 minutes, then adding 10% of water and 50% of sweet potato powder, stirring for 25-30 minutes to obtain a mixed materials; (F) cooking, namely feeding the mixed materials into a steaming device, carrying out steaming, firstly brushing each steaming pot by using rapeseed oil, and then putting the materials into the pots; (G) pressing purple potato powder covers, namely stacking the purple potato powder covers by 30cm by layers, then putting a layer of pressing plate on the top layer of the powder covers and pressing for 15-25 minutes; (H) weaving into shreds and drying; and (I) carrying out indoor air drying and package. The preparation method disclosed by the invention has the beneficial effects that the steps are scientific and reasonable, the preparation is simple; no loss of anthocyanin and selenium element in the bean vermicelli with purple potatoes is caused in the hand-making process, and the anthocyanin and the selenium element are almost close to be completely retained; and the obtained bean vermicelli is fresh, fragrant, strong in boiling resistant, free of viscous and thick performances, and unique in taste.

The invention discloses a preparation method for the ethanol extract of the flowers of Apios americana Medikus. The preparation method comprises the following steps: 1) mixing the flowers of Apios americana Medikus with ethanol containing hydrochloric acid with a concentration of 0.1 mol / L, successively carrying out smashing and ultrasonic extraction, and subjecting obtained extract to centrifugation to obtain a supernatant; 2) subjecting the supernatant to rotary evaporation and concentration until the volume of the supernatant is reduced by 80 to 90%; 3) subjecting a concentrate obtained inthe step 2) to separation and purification via macroporous resin with an aqueous formic acid solution with a volume concentration of 1% as a rinsing agent and an aqueous methanol solution containing 0.1% of formic acid as an eluting agent, and collecting eluate; 4) subjecting the eluate to rotary evaporation and concentration until the volume of the eluate is reduced by 80 to 90% so as to obtain slurry-like concentrate; and 5) pre-freezing the slurry-like concentrate, and then drying the pre-frozen slurry-like concentrate into powder with a vacuum lyophilizer so as to obtain the ethanol extract of the flowers of Apios americana Medikus. The invention also discloses application of the ethanol extract of the flowers of Apios americana Medikus to preparation of inhibitors for oxidative damageto hepatocytes.

The invention provides an apios americana tuber compound beverage and a preparation method thereof. The apios americana tuber compound beverage provided by the invention is prepared from apios americana tuber or apios americana tuber together with fructus momordicae, licorice roots and honey. The preparation method comprises the following steps: cutting the apios americana tuber into slices, and performing water-isolated heating or stewing on the apios americana tuber slices solely or performing water-isolated heating or stewing on the apios americana tuber slices together with the fructus momordicae, the licorice roots and the honey so as to obtain raw juice; adjusting the pH to be acidic, and then, performing flocculation; performing centrifugation after flocculation, and taking supernatant liquid; and adding a flavoring agent and a stabilizing agent, and performing high pressure homogenization, sterilization and filling to obtain the apios americana tuber compound beverage. The apios americana tuber compound beverage provided by the invention is rich in nutritional components, has the effects of clearing and moistening the throat, loosening the bowels to relieve constipation, reducing blood glucose and the like, has low calorie, is sugar-free and is suitable for diabetic patients to take.

A method for preparing purple sweet potato bean curd. The purple sweet potato bean curd comprises raw materials consisting of 79.5% to 81.5% of water, 13.5% to 14.5% of soybeans, 4.5% to 6.5% of purple sweet potato juice and 0.2% to 0.3% of gluconic acid-delta-lactone. The method comprises heating soybean milk to 98 DEG C to 100 DEG C, uniformly mixing the soybean milk with the purple sweet potato juice after the soybean milk is cooled to 30 DEG C and then adding the gluconic acid-delta-lactone to get a mixture, heating and homogenizing the mixture under the pressure of 10 MPa to 15 MPa to get a homogeneous liquid, and disinfecting and then cooling and setting the homogeneous liquid to form the purple sweet potato bean curd. The purple sweet potato bean curd perfectly combines the efficacy of the bean curd and the purple sweet potato juice, and effectively improves nutrition and flavor of the bean curd.

The invention provides an apios americana tuber cloudy juice beverage and a preparation method thereof. The apios americana tuber cloudy juice beverage provided by the invention is prepared from apiosamericana tuber, inulin and a small amount of food additives. The preparation method comprises the following steps: cutting apios americana tuber into blocks, milling the blocks into pulp, performingstewing and secondary milling, finally adding inulin, a flavoring agent and a stabilizing agent for blending, and performing processes of homogenizing, sterilizing, filling and the like to obtain theapios americana tuber cloudy juice beverage. The apios americana tuber and the inulin are compounded and have synergistic effects, so that the apios americana tuber cloudy juice beverage has obviouseffects on loosening the bowels to relieve constipation, adjusting the intestinal flora structure and the like. Furthermore, the beverage provided by the invention is rich in multiple nutrient substances, is safe and healthy in material, is suitable for people of all ages and has certain nutritional values and health care effects.

The invention belongs to the field of food processing, and relates to potato bean filaments and a making method thereof. The potato bean filaments comprise the following substances in parts by weight:60-80 parts of rice, 10-20 parts of soybeans, 10-20 parts of carrots and 10-30 parts of fresh potatoes. The nutrients of the potatoes are combined with the nutrients of the rice and the nutrients ofthe soybeans, so that the problem that bean filament products in the market are single in kinds is solved; besides, the potatoes and the carrots are added, so that the nutrient value of the bean filaments is enriched, and the bean filaments are high in protein nutrient value and easy to digest and absorb; and essential amino acids, inorganic salt, various vitamins and dietary fibers in the bean filaments not only meet daily requirements of people, but also can promote digestion and absorption by intestinal tracts, and can prevent the occurrence of diseases of cardiovascular diseases, obesity and the like, so that the potato bean filaments are suitable for various crowds to eat.

The invention relates to the field of medicine, in particular to application of an apios americana medikus extract in preparation of food or medicine for reducing the weight, resisting the tumor and improving the immunity. The apios americana medikus extract is prepared from apios americana medikus flower polysaccharide, an apios americana medikus flower ethyl alcohol extract, an apios americana medikus leaf extract, an apios americana medikus tuber ethyl alcohol extract and apios americana medikus leaf polysaccharide. According to application of the apios americana medikus extract in weight reduction, a new resource is provided for development of natural weight reduction products in the fields of medicine, food science and the like. According to application, it is discovered for the firsttime that the apios americana medikus extract can obviously improve the immunity and inhibit the functions of cellular immunity, humoral immunity and innate immunity of a mouse, is wide in application range and has an obvious effect and good development prospects. According to application, it is discovered for the first time that intervention of the apios americana medikus extract has an obviousanti-tumor effect.

The invention discloses application of the water extract of flowers of Apios americana Medikus to mitigation of lipidosis in hepatocytes. A preparation method for the water extract of flowers of Apiosamericana Medikus comprises the following steps: 1) mixing the flowers of Apios americana Medikus with water and successively carrying out smashing, ultrasonic extraction and centrifugation to obtaina supernatant; 2) subjecting the supernatant to rotary evaporation and concentration until the volume of the supernatant is reduced by 80 to 90%; 3) subjecting a concentrate obtained in the step 2) to separation and purification via macroporous resin with an aqueous formic acid solution with a volume concentration of 1% as a rinsing agent and an aqueous methanol solution containing 0.1% of formicacid as an eluting agent, and collecting eluate; 4) subjecting the eluate to rotary evaporation and concentration until the volume of the eluate is reduced by 80 to 90% so as to obtain slurry-like concentrate; and 5) pre-freezing the slurry-like concentrate, and then drying the pre-frozen slurry-like concentrate into powder with a vacuum lyophilizer so as to obtain the water extract of the flowers of Apios americana Medikus.

The invention discloses instant semi-dry sweet potato bean vermicelli and a preparation method thereof, and relates to the field of food processing. The instant semi-dry sweet potato bean vermicelli is mainly formed by sweet potato starch, acetate starch and high amylose starch. In addition, nisin, complex phosphate, glycerol, sodium alginate and complex phosphate are added. The instant semi-dry sweet potato bean vermicelli prepared by the processes of beating, slurrying, curing, aging, drying and sterilization has good flexibility, and is convenient to eat. The vermicelli is not required to be soaked for a long time before consumption, and the product has long shelf life by means of control of the aseptic process and irradiation sterilization treatment in the production process.

The invention discloses application of Apios americana Medikus leaf polysaccharide to reduction of hepatocyte lipid deposition. The Apios americana Medikus leaf polysaccharide is used for preparing medicines and health-care foods, which are used for treating or preventing nonalcoholic fatty liver. A preparation method of the Apios americana Medikus leaf polysaccharide comprises the following steps: 1) preparing an Apios americana Medikus leaf polysaccharide crude product: after mixing Apios americana Medikus leaves and distilled water, extracting; then pulping, centrifuging and concentrating;adding ethanol into an obtained concentrated solution until the final concentration of the ethanol is 85+ / -5 percent; standing at 4+ / -1 DEG C for 24+ / -2h; then collecting sediment to obtain Apios americana Medikus leaf crude polysaccharide; 2) purifying the Apios americana Medikus leaf crude polysaccharide, including carrying out activated carbon decoloration and Sevage-method protein removal on the Apios americana Medikus leaf crude polysaccharide.