171 results about "Sweet taste" patented technology

The invention relates to the technical field of microorganisms, in particular to a strain of Lactiplanilla pentosuses ZF634 and application of the strain of Lactiplanilla pentosuses ZF634 and the application of the strain of Lactiplanilla pentosuses ZF634. The lactobacillus pentosus strain ZF634 is obtained through screening and still has efficient acid production capacity in a bean-based culture medium, and the bean curd coagulator prepared from fermentation liquor of the lactobacillus pentosus strain ZF634 has the function of enhancing aroma and flavor; the beany flavor of the prepared sour slurry bean curd is obviously reduced, and the sour slurry bean curd also has special milk flavor; the protein hydrolysis degree and flavor precursor substance accumulation of the prepared fermented bean curd embryo are far superior to those of a commercial sour slurry water sample, the content of fresh and sweet amino acids and organic acids is remarkably increased, the fresh and sweet taste of the fermented bean curd is improved, the taste is softer and more harmonious, the sensory quality of the final product is broken through, and the aroma, the taste and the texture are remarkably improved.

The invention discloses a construction method and application of a chlamydomonas reinhardtii-sourced high-sweetness protein variant engineering algal strain, the construction method comprises the following steps: carrying out gene modification on sweeteners Thaumatin and Brazzein, optimizing preference codons of chlamydomonas reinhardtii to synthesize CrThaumatin and CrBrazzein encoding genes, cloning the encoding genes into an expression vector pGM6, introducing the recombinant expression vector into a chlamydomonas reinhardtii wild-type chlamydomonas sp. Algal strain, and carrying out high-sweetness protein variant engineering algal strain of the chlamydomonas reinhardtii-sourced high-sweetness protein variant engineering algal strain of the chlamydomonas reinhardtii. And screening by using a paromomycin resistance marker carried by the expression vector to successfully obtain an engineering algal strain. According to the present invention, the engineering strain is subjected to fermentation production to obtain the dry and stable Chlamydomonas reinhardtii powder rich in the target sweet protein, and the protein purification oral test results show that the sweet taste of the Chlamydomonas reinhardtii powder is 3-5 times of the sweet taste of the natural Thaumatin and Brazzein protein;

The invention belongs to the technical field of food processing, and relates to a method for preparing low-salt shrimp juice through rapid microbial fermentation. The method comprises the following steps: removing heads of shrimps, preparing meat paste, drying and crushing shrimp shells, and mixing the shrimp shells with the meat paste; carrying out enzymolysis treatment on the meat paste by using alkaline protease, and then carrying out high-temperature enzyme deactivation; mixing the shrimp meat and shrimp shell enzymatic hydrolysate mixture with soybean meal and bran, and sterilizing at high temperature; inoculating a complex microbial inoculant containing lactobacillus plantarum, saccharomyces rouxii, aspergillus oryzae, deep-sea bacillus subtilis and bacillus subtilis to prepare a mold starter, fermenting at 28 DEG C for 30 days, and finally filtering and sterilizing. According to the method disclosed by the invention, the availability of the raw materials is effectively improved, the fermentation period is shortened, efficient fermentation under a low-salt condition is realized, various basic indexes of the obtained shrimp juice product meet national standards, and the shrimp juice product is outstanding in flavor quality and has rich sauce flavor and sweet taste. In addition, the shrimp juice shows good antioxidant stability before and after digestion.

The invention relates to the technical field of functional food processing, and discloses magnesium-rich gel soft sweets and a preparation method thereof. The jelly sweets comprise the following components in parts by weight: 3 to 15 weight percent of first gelling agent, 0.2 to 2 weight percent of second gelling agent, 20 to 50 weight percent of dietary fiber raw material, 10 to 40 weight percent of sugar alcohol raw material, 3 to 10 weight percent of acidity regulator, 0.3 to 1 weight percent of buffer salt, 0.4 to 2 weight percent of essence, 0.4 to 2 weight percent of pigment, 10 to 30 weight percent of mineral raw material and 0 to 0.5 weight percent of anti-sticking oil. The gel soft sweets are rich in magnesium element, and are suitable for people with magnesium deficiency, electrolyte supplementation after exercises and auxiliary conditioning of sleep disorders. The gel soft sweets are good in chewiness and coordinated in sour and sweet taste, sugar alcohol is partially replaced with low-GI dietary fibers, calorie intake is reduced, satiety is enhanced, intestinal health is supported, the taste is elastic, high-power sweeteners of sucralose and stevioside are not added, and the gel soft sweets are easily accepted by mass consumers.

The invention discloses a reconstituted tobacco preparation method based on a compound enzyme technology, which comprises the following steps: carrying out surface impurity removal pretreatment on a reconstituted tobacco sheet base to obtain a standby sheet base; dissolving cellulase and pectinase in water according to a certain mass ratio to prepare an enzyme solution; the preparation method comprises the following steps: spraying a citric acid-disodium hydrogen phosphate buffer solution to the surface of a standby film base, then spraying an enzyme solution to the surface of the standby film base, carrying out an enzymatic hydrolysis reaction for 3-5 h under the conditions that the temperature is 40-50 DEG C and the humidity is 50-70%, and then drying the enzymatic hydrolysis film base for 30-50 min at the temperature of 70-80 DEG C. According to the method, a collaborative regulation system of cellulase and pectinase is constructed, the enzymolysis process is optimized, oriented improvement of the sour and sweet taste of the reconstituted tobacco is achieved, the aroma richness is remarkably enhanced, the overall acceptability is greatly improved, the technical problems that in a traditional process, the flavor is single, and enzymolysis regulation is extensive are solved, and the quality of the reconstituted tobacco is improved. And a green and efficient standardized solution is provided for quality upgrading of the reconstituted tobacco.

The present invention relates to the technical field of functional food products. Disclosed are a rose enzyme liquid and rose enzyme beverage for promoting emotional health, and a preparation method therefor. Sour cherry flesh, double-petaled red roses, roselle, and Perillae folium are subjected to a colloid mill, and water is added for extraction and separation to obtain a concentrate. The concentrate is fermented with Lactiplantibacillus plantarum and Bifidobacterium longum to obtain a rose enzyme liquid, and the rose enzyme liquid is compounded with a saffron extract, a Mentha spicata extract, a bamboo leaf flavonoid, etc. to obtain a rose enzyme beverage. The rose, roselle, sour cherry and Perillae folium, which are both medicinal and edible, are selected as raw materials. The raw materials are fermented by means of using specific probiotic strains to effectively release active ingredients, which are then converted into small molecular substances that are easily absorbed by the human body and relieve emotional anxiety. Moreover, functional ingredients comprising the saffron extract, the Mentha spicata extract and the bamboo leaf flavonoid are compounded to effectively relieve stress, regulate daily negative emotions, and promote physical and mental relaxation, and enhance mental well-being. The sour and sweet taste satisfies consumers' pursuit for flavor, taste and efficacy.

The banana transcription factor MabZIP2 disclosed by the invention is combined with a banana fruit MaLSF1 gene promoter to regulate up-regulated expression of the banana fruit MaLSF1 gene. The MabZIP2 expression is instantly silenced, the expression quantity of the MaLSF1 is reduced, the degradation of banana pulp starch is inhibited, and the content of total starch, amylose and amylopectin is increased, so that the sweet taste of banana fruits is favorably improved, and the quality of bananas is improved; the hardness of the banana pulp is improved, the softening of the banana after picking can be delayed, the ripening of the banana fruit after picking is delayed, and the storage period of the banana fruit is prolonged. The banana transcription factor MabZIP2 provides an important gene resource for improvement of banana fruit quality, provides a theoretical basis for research and development of a banana fresh-keeping technology and cultivation of new storage-resistant varieties, and also provides a new way for research and development of a fresh-keeping technology of starch storage type fruits such as bananas, molecular design breeding and cultivation of new storage-resistant banana varieties.

The invention discloses a low-temperature hot air drying preparation process of low-sugar preserved mangoes. The preparation process comprises the following steps: S1, pretreating mangoes; s2, blanching is conducted; s3, hardening and color protection; s4, rinsing is carried out; s5, performing sugaring; s6, sugar draining; s7, drying; and S8, cooling. The sensory score of the product prepared by the process is 86.96, and the product is golden in color, rich in fragrance and palatable in sour and sweet taste. The total sugar content is 35.88% and is obviously lower than that of the traditional high-sugar preserved fruit. And the water content is 21.78%. The hardness is 3216.35 + / -g, the cohesiveness is 0.88, the chewiness is 3155.35, the resilience is 0.56, and the texture property is good. The total bacterial colony number 1t; 10 CFU / g, and coliform bacteria are not detected.

The invention discloses a composition for enhancing Chinese chestnut fragrance of a tea beverage as well as a preparation method and application of the composition, and belongs to the technical field of food additives. The composition is prepared from the following raw materials in parts by weight: 0.1 to 0.9 part of furanone, 0.01 to 0.2 part of linalool, 0.001 to 0.5 part of 2, 5-dimethylpyrazine, 0.02 to 0.1 part of geraniol, 0.03 to 0.05 part of beta-ionone and 0.01 to 0.25 part of geranyl acetone. According to the invention, through a unique ratio design, the scorched nut smell of pyrazine compounds, the rich caramel sweet taste of furanone, the stir-fried smoke and fire smell of 2-acetylthiazole and the freshness of geraniol and other terpene alcohols are ingeniously fused, and the complex level of Chinese chestnut fragrance is accurately reproduced. According to the present invention, the edible-grade propylene glycol is adopted as the solvent, such that the solubility, the dispersibility and the stability of the aroma composition in the tea beverage can be effectively improved, the persistence and the uniformity of the aroma release can be significantly improved, the shelf life of the tea beverage product can be easily prolonged, and the market competitiveness of the product can be enhanced.

The present invention provides a young pigeon seasoning marinating material formula and a young pigeon manufacturing method, and relates to the technical field of food processing, and the young pigeon seasoning marinating material formula comprises 30-35 parts of licorice roots, 90-110 parts of siraitia grosvenorii, 10-14 parts of star anise, 18-22 parts of cassia barks, 6-10 parts of cloves, 14-18 parts of fennel, 18-22 parts of kaempferia galanga, 18-22 parts of amomum tsao-ko, 10-14 parts of dried orange peel, 18-22 parts of Chinese prickly ash, 2-6 parts of bay leaves, 10-30 parts of garlic bulbs, 10-30 parts of galangal, 45-55 parts of edible salt and young pigeons with net weight of 275-350g. Soy sauce, chicken essence, monosodium glutamate and sugar are canceled as core seasoning components, so that the natural sweetness of liquorice and momordica grosvenori can replace an artificial flavoring agent, and the composite fragrance of spices such as anise and cinnamon can cover the defect of single salty and delicious taste of a traditional marinating material; chinese herbal medicine composite fragrance needed by the braised squab can be reproduced, and the stewed squab is mellow and sweet in aftertaste and red and bright in natural color.

According to the fermented wine rich in alcohol and sweetness and the preparation process thereof, high-sugar-degree grain liquid (wort) is adopted as a fermentation substrate, fermentation is controlled through functional strains in a labor division and staged mode, and the technical problems that in a traditional process, glycerol synthesis is limited, and a wine body is thin, sour and astringent are effectively solved. The content of glycerol is increased under the pure fermentation condition, meanwhile, the content of by-products such as residual sugar and acetic acid is reduced, and high alcoholic sweetness and wine flavor coordination are synchronously achieved in a pure biological fermentation framework.

The invention relates to the technical field of biological catalysis engineering, in particular to a method for improving the solubility of stevioside Reb M and Reb D through enzyme catalysis modification, which comprises the following steps: dissolving Reb M and Reb D with the purity of more than or equal to 90% in a buffer solution with the pH value of 4.0-8.0, adding a non-starch glycosyl donor and composite glycosyl transferase according to the enzyme-substrate mass ratio of 0.05-0.5, and optimizing the enzyme addition sequence to realize specific site modification; reacting for 6-24 hours under the conditions that the pH is 5.5-6.0 and the temperature is 60-85 DEG C, and controlling the proportion of DP2-3 to be 60-80%; hPLC sampling is carried out every 4-6 hours, and the unreacted substrate is less than or equal to 20%; the solubility of the product is greater than or equal to 25g / L, and the sweet taste of the product is pure. According to the method, the solubility of Reb M / Reb D is improved, the structure of a directional glycosylation controlled product is realized, and pure sweetness is reserved; the reaction is mild and controllable, enzyme inactivation is simple and free of residues, industrialization is easy, and stevioside application upgrading is promoted.

The invention belongs to the technical field of food processing, and particularly relates to novel corn beans and a preparation method thereof.The preparation method comprises the steps of preparation of raw material corn kernels and preparation of the corn beans, and the preparation of the raw material corn kernels comprises the steps of ear harvesting, peeling and dicing, curing, fixation and dehydration; the preparation method of the corn beans comprises the steps of puffing, polishing, screening, winnowing, powder and sugar coating, drying, packaging and delivery. According to the method, the corn kernels which are not ripe are taken as raw materials, are harvested and then are immediately ripened, and are subjected to fixation to lock freshness, so that the delicate flavor and sweetness of the corn in the fresh eating period are partially reserved, the contents of nutrient substances such as protein and amino acid are higher than those of old-fashioned corn beans and corn flowers, and the appearance is good and the taste is crisp.

The present invention relates to the use of a compound of formula (I) or a mixture of two or more compounds of formula (I) for providing sweetness and / or modulating the sweetness of one or more sweet substances, and to a method for producing such a compound. Furthermore, the present invention relates to a compound of formula (I), a composition comprising such a compound, and a method for modulating the sweetness of one or more sweet substances.

The invention discloses a black tea-polygonatum sibiricum-polygonatum cyrtonema synergistic tea cake and a processing technology thereof, the tea cake takes black tea, polygonatum sibiricum and polygonatum cyrtonema as main raw materials, and is prepared by optimizing the raw material ratio and innovating the processing technology. The black tea comprises the following raw materials in percentage by weight: 60-70% of black tea, 15-20% of rhizoma polygonati and 10-15% of polygonatum cyrtonema. The processing technology comprises the following steps: performing steaming, slicing and low-temperature baking treatment on rhizoma polygonati and polygonatum cyrtonema, then mixing with dark green tea powder, adding a composite adhesive prepared from malt syrup and konjaku flour, and finally performing compression molding and low-temperature aging. The tea cake is regular in appearance and not prone to loosening, tea soup is transparent and bright in color after being brewed, the tea cake has the aged fragrance of the dark tea and the fresh and sweet taste of the rhizoma polygonati, the theabrownin and the rhizoma polygonati polysaccharide have the synergistic effect, the oxidation resistance and intestinal tract conditioning effects can be enhanced, and the tea cake is suitable for being popularized as portable health-care tea.

The application provides a lactococcus lactis, a compound dairy product fermenting agent and application thereof, the lactococcus lactis has the functions of sweetening and flavoring, and is classified and named as lactococcus lactis Lactococcus lactis The strain has significant sweetening and flavoring characteristics, exhibits strong fructo-oligosaccharide (FOS) and acetaldehyde generation capacity in the fermentation process, can provide endogenous sweet taste and aroma flavor substances for fermented milk, and significantly improves the taste and flavor of the fermented milk.The lactococcus lactis C15 is compounded with lactobacillus casei AU9077 and lactobacillus rhamnosus AU9260 to obtain a compound dairy product fermenting agent, which has a significant synergistic effect in releasing fructo-oligosaccharide, continuously provides stable endogenous sweetening effect for fermented milk, improves the quality of dairy products, and meets the needs of consumers for healthy and flavored dairy products.

The invention belongs to the technical field of low-sugar food preparation, and discloses a preparation method of a special natural antioxidant for low-sugar food, which comprises the following steps: by taking natural polyphenol as a main active component, covalently modifying a polyphenol molecular structure by introducing reducing sugar in a mild glycosylation modification mode, and preparing the natural antioxidant for low-sugar food. The water solubility, the heat stability and the flavor adaptability are obviously improved; the modified polyphenol is synergistically compounded with erythritol and stevioside to construct an antioxidant system with an intermolecular stable structure, and high antioxidant performance and sweet taste release stability can still be kept under the conditions of low-sugar food processing and storage; the method is safe in process and natural in component source, can be widely applied to low-sugar food systems of beverages, baked products and fermented dairy products, and has good practical value and popularization prospect.

This invention discloses a method for brewing a light-aroma baijiu using a mung bean compound koji starter and its preparation, belonging to the field of baijiu brewing technology. The method uses 75%-80% red sorghum and 20%-25% mung beans as brewing raw materials. First, the mung beans are dehulled, crushed, and pre-treated by low-temperature steaming, then mixed with sorghum and steamed again for gelatinization. Separately, a mung bean compound koji starter inoculated with Rhizopus, Aspergillus oryzae, and ester-producing yeasts is prepared separately and blended with a light-aroma low-temperature koji starter at a ratio of 1:2-3, with the total koji amount being 19%-23% of the grain input. The mixture is then fermented in earthen vats for 28 days in a solid-state environment, with a peak temperature of 28-32℃ and an outlet temperature of 20-25℃. The middle section of the liquor is distilled, yielding 65% vol, and aged in earthenware jars for 3-6 months. This invention constructs a homologous fermentation system of "mung bean koji making—mung bean brewing—koji base," selectively enriching proteases and esterases, solving the problem of insufficient mung bean protein conversion. The finished liquor has a rich, light mung bean aroma and a mellow, sweet taste.

The invention belongs to the technical field of beer, and particularly discloses fruit beer and a preparation method thereof. The fruit beer is prepared from the following raw materials in parts by weight: 40 to 45 parts of malt, 7 to 10 parts of sweet potatoes, 3 to 5 parts of seaweed mixture, 0.05 to 0.08 part of compound enzyme, 15 to 18 parts of oranges, 0.5 to 0.7 part of soapbark extract and 0.3 to 0.4 part of locust bean gum. According to the fruit beer, multiple components are matched, so that the flavor uniqueness is enhanced, the fruit beer has a relatively good sweet taste, and the stability of foam is enhanced.

To provide alternative and / or improved sweetness modifying composition.SOLUTION: There is provided a sweetness modifying composition comprising: one or more high-intensity sweetener(s) selected from steviol glycosides and / or mogrosides; and one or more low-intensity sweetener(s) selected from cellobiose, psicose, cyclamate and / or 11-O-mogroside V, wherein the sweetness modifying composition increases the sweetness of a sweetened composition by more than the sweetness of the sweetness modifying composition alone; and / or wherein the ratio of the one or more high-intensity sweetener(s) to the one or more low-potency sweetener(s) ranges from about 2:1 to about 12:1.SELECTED DRAWING: None

The invention provides a pitaya peel and sugarcane juice compound fermented beverage as well as a preparation method and application thereof, and belongs to the technical field of beverages. According to the invention, pitaya peel is used as a main raw material, sugarcane juice is used as an auxiliary material to brew the composite fermented beverage, and the preparation method is optimized. The brewed compound fermented beverage is uniform and bright rose red, moderate in sour and sweet taste, fine and tasty, unique in flavor, rich in nutrition and high in oxidation resistance, and has the compound fragrance of the pitaya and the sugarcane juice. Meanwhile, the technical scheme of the invention also provides an important theoretical basis for deep processing of the pitaya peel.

The invention discloses prebiotic soft fried dough twists and a making method thereof, and belongs to the technical field of food. The fried dough twist disclosed by the invention is prepared from the following raw materials in parts by mass: 132 to 169.5 parts of a dough base material, 5 to 6 parts of resistant dextrin, 7 to 9 parts of fructo-oligosaccharide microcapsules, 6 to 8 parts of isomaltitol, 1.5 to 2 parts of stachyose, 0.5 to 1.0 part of soybean lecithin and 0.01 to 0.03 part of vitamin E. The prebiotic retention rate is synergistically increased through microcapsule coating and a making process, the aging resistance of the fried dough twist is improved through synergistic moisturizing of resistant dextrin and fructo-oligosaccharide microcapsules, white granulated sugar is partially replaced by isomaltitol, stachyose and other sugar parts with low glycemic index, and the taste of the fried dough twist is improved. And the resistant dextrin with high dietary fiber content and the fructo-oligosaccharide prebiotics are matched, so that the product not only meets the sweet taste requirement, but also meets the healthy diet pursuit of modern consumers on low sugar, high fiber and high prebiotics.

The application provides high-protein long-shelf-life milk and a preparation method thereof. The preparation method comprises a step-by-step washing and filtering process, a continuous process without buffer storage, and a combination of ceramic membranes, centrifugal sterilization and pasteurization, prevents the loss of calcium ions in the concentration process, adjusts the lactose content to improve the taste, ensures high protein content, high active protein content, rich and sweet taste of the product, and improves the safety of the milk. Even in a more stringent 10-15 DEG C storage environment, the shelf life can reach 15 days.

In order to prevent the bait from being grabbed by small fishes and enable the bait to smoothly fall to the water bottom in the fishing process, according to the characteristic that the small fishes only grab the bait on the upper middle layer of a water body, a bait ball hung on a hook is soaked into syrup, then put into a dry powder box and coated with light bran which is lighter than the water and added with essence and a small amount of fishbone dust, operation is repeated twice, and then the bait is thrown into the water. When the bait ball descends, water impacts the surface of the bait ball, the two layers of light bran can gradually fall off, disperse and float upwards, the attention of small fishes is transferred, the small-particle light bran which floats upwards is grabbed, and therefore the effect of shelling the cicada shells is achieved, and the bait can completely sink to the water bottom. Due to the fact that the syrup has the water absorption function and is attached to the outer surface of the bait ball, the bait ball cannot become soft and be unhooked, the bait ball is wrapped with a protective layer, meanwhile, the sweet taste of the syrup has allure to freshwater fish, and the fish luring effect of the bait can be improved. According to the scheme, in summer and autumn of 2024, the effect of trapping small fishes to grab baits is very obvious through multiple actual fishing tests of the applicant.

The invention belongs to the technical field of microbial engineering, and particularly relates to a composite yeast agent and application thereof. The composite yeast agent is composed of a saccharomyces cerevisiae liquid inoculant, a geotrichum galactose yeast liquid inoculant and a Lodderomyces elongisporus liquid inoculant according to a volume ratio of 1: 1: 1. The invention provides a composite yeast agent which can effectively improve the content of flavor substances, particularly the content of esters and the composition of rich esters in a wine body when being used for brewing rice wine, and particularly, the method can enrich the ester content and the composition of the esters in the rice wine, and the ester content and the composition of the esters in the rice wine are obviously improved compared with a control group. And the produced wine body has rich and harmonious rice fragrance, prominent ester fragrance, mellow and soft sweet taste and prominent style, and has important application value for improving the quality of the rice wine.

The invention discloses a brewing method of fen-flavor liquor, and belongs to the technical field of liquor brewing.According to the technical scheme, the brewing method of the fen-flavor liquor is characterized by comprising the following steps that S1, sorghum is treated; s2, adding hot water into the sorghum, uniformly stirring, and stacking; s3, carrying out large-steam rice grain steaming on the rice grain moistened sorghum; s4, adding cold water into the steamed material, and uniformly stirring and mixing; s5, uniformly stirring and mixing the yeast powder and the sorghum to obtain a haw material; s6, fermenting in a cylinder, and taking out a large-hawthorn fermented material; s7, uniformly stirring and mixing the hawthorn fermented material and auxiliary materials, and distilling to obtain hawthorn wine; s8, adding water into the fermented grains distilled in the step S7, spreading for cooling, adding yeast powder to obtain secondary hawthorn materials, adding after-run into each jar after the secondary hawthorn materials are put into the jars, and sealing and fermenting; and S9, uniformly stirring and mixing the secondary hawthorn fermented material and the steamed auxiliary materials, distilling to obtain secondary hawthorn wine, and storing the secondary hawthorn wine. By adopting the brewing method, the wine yield of the fen-flavor white wine is increased, and meanwhile, the mellow and sweet taste of the wine body is also increased.

The invention belongs to the technical field of agricultural product processing, and particularly relates to clovershrub orange peel and a preparation method thereof. The preparation method comprises the following steps: (1) mixing and scenting the fresh clovershrub citrus peel and the tea leaves; and (2) reducing the water content of the scented pericarp to obtain the clovershrub orange peel. Compared with Dahongpao citrus dried orange peel prepared by a traditional preparation method (without tea scenting), the Dahongpao citrus dried orange peel prepared by the preparation method disclosed by the invention is better in taste, and the bitter taste and astringent taste of the Dahongpao citrus dried orange peel prepared by the traditional preparation method are reduced; the sweet taste is improved, the sweet aftertaste is sweet, and the unique cool taste similar to that of raw Pu'er tea is achieved.

The invention belongs to the technical field of protein beverages, and particularly relates to a composite peptide beverage and a preparation process thereof. The active ingredients of the drink comprise calf thymosin, cattle spleen protein peptide, hemoglobin peptide, bone collagen peptide and collagen peptide in a weight ratio of (2-3): 1: 1: 1: 1. The pH value of the system is adjusted to 3.5-4.5, so that each peptide molecule is positively charged under the acidic condition, the electrostatic repulsion and hydration among molecules are enhanced, and bitter groups are effectively masked. The flavoring agent is compounded by DL-malic acid, crystalline fructose, xylitol and sucralose according to the weight ratio of (0.6-1): 1: 0.4: (0.03-0.04), and the sour and sweet taste and flavor coordination are synergistically improved. The preparation method comprises the following steps: dissolving the DL-malic acid in purified water, dissolving the uniformly mixed active components in purified water at 40-60 DEG C, respectively adding other flavoring agents, stabilizing agents and essence, and finally filtering to obtain the product. The problem of bad flavor of the peptide is solved, so that the beverage is appropriate in taste, harmonious in flavor and easy to accept.

The invention relates to the technical field of tea leaf processing, in particular to mulberry leaf tea with a high activity component retention rate and a preparation method of the mulberry leaf tea. Comprising the following steps: carrying out ultrasonic cleaning on fresh mulberry leaves, carrying out segmented temperature-controlled fixation, carrying out vacuum low-temperature rolling, adding Pankg ancient tree black tea, pseudo-ginseng, radix puerariae and waxy corn, carrying out stepped variable-temperature fermentation, carrying out freeze drying, and carrying out nitrogen-filled packaging. The mulberry leaf tea prepared by the preparation method disclosed by the invention is yellow-green and transparent in tea soup, free of grass smell, fresh and slightly sweet in taste and fresh in fragrance of waxy corn, and has certain effects of delaying aging and brown spots, reducing blood fat, blood pressure and blood sugar and improving myocardial blood supply and cerebral blood supply functions in cooperation with the Panku ancient tree black tea, the pseudo-ginseng and the radix puerariae, has an antimicrobial effect, can clear liver and improve eyesight, and has a good health care effect. Clearing lung and moistening dryness; the leaf integrity of the prepared mulberry leaf tea is larger than 90%, the reconstitution property is good, and it is detected that the total flavone content is larger than or equal to 86%, the 1-deoxynojirimycin content is larger than or equal to 91%, and the gamma-aminobutyric acid content is larger than or equal to 88%.

The invention relates to a sugar-free mooncake making method and a sugar-free mooncake making process, which are characterized in that sugar-free mooncakes suitable for people who need to control sugar intake and diabetics to eat are taken as an entry point, a series of innovative reforms are completed in the process and formula according to the requirements of products, and healthy and delicious sugar-free mooncakes are produced. The sugar-free moon cake comprises the following raw materials: flour, vegetable oil, maltitol, water, sugar-free stuffing and a proper amount of food additives. The sugar alcohol replaces traditional cane sugar, the stuffing is subjected to special treatment to reach the sugar-free standard, and it is ensured that all the raw materials meet the food safety standard and are kept fresh. The whole mooncake has sweetness but does not cause obvious increase of blood sugar level, and meanwhile, the sweet taste and texture of traditional mooncakes can be kept. According to the sugar-free moon cake, the formula scheme of the wrapper material ratio is strict and scientific, the production process is unique, the whole process can be digitally controlled, the consistency of products is guaranteed, and the production efficiency is improved.