623 results about "Fructose" patented technology

The invention discloses a biomarker for evaluating litchi quality and a detection method, and relates to the technical field of biology. The marker is an SNP (Single Nucleotide Polymorphism) molecular marker, and the nucleotide sequence of the marker is as shown in SEQ ID NO.1-3. The molecular marker disclosed by the invention can be used for evaluating the quality of litchis, particularly evaluating the fructose content. Meanwhile, when the gene is applied to molecular marker assisted selection (MAS) and genome selection (GS), the genetic improvement progress of the litchi variety can be accelerated.

The invention discloses a method for impregnating coffee beans with fructose under the assistance of ultrasonic waves, and relates to the technical field of food processing, and the method is technically characterized by comprising the following steps: selecting Robursta coffee beans with the moisture content of 10-12%; mixing with a 5% fructose solution according to a solid-liquid ratio of 1: 4, treating for 5-20 minutes (preferably 5 minutes) under ultrasonic waves of 40 kHz and 120 W, and totally impregnating for 4 hours; performing forced air drying at 40 DEG C for 23h until the water content is 10- And baking at the temperature of 175 DEG C for 7-8 minutes. A honeycomb net structure is formed on the surface of the coffee beans through ultrasonic treatment, the total sugar content is remarkably increased to 54.65 mg / g, amino acid composition is affected, and bioactive substances such as polyphenol and flavone are increased. The score of the baked coffee beans is more than 72 (the score of the coffee beans is 74.92 after the coffee beans are subjected to ultrasonic treatment for 5 minutes) through an SCA cup test, and the coffee beans have caramel fragrance, nut fragrance and smoother mouth feel. The method is simple and convenient to operate, low in cost and capable of effectively improving the flavor quality of the Robursta coffee.

The invention relates to the technical field of functional food, in particular to immune regulation type prebiotic syrup with synergy of galactomannan. The active components of the composite solid beverage are prepared from the following raw materials in percentage by weight: 20%-35% of fructo-oligosaccharide, 10%-18% of galactooligosaccharide, 8%-15% of stachyose, 3%-7% of xylooligosaccharide, 5%-12% of lactitol, 5%-10% of galactomannan, 2%-5% of yeast beta-glucan and 1%-3% of N-acetylglucosamine. The composition further comprises 4-8% of inulin and 3-6% of resistant dextrin as a matrix filling and slow-release carrier, and the sum of the weight percentages of all the active ingredients and the carrier is 100%. By remodeling intestinal microecology and inhibiting inflammation pathways, the intestinal inflammation state can be remarkably improved, expression of intestinal mucosa tight junction protein is promoted, and an innovative solution is provided for people suffering from chronic bowel diseases and immune imbalance.

The invention relates to an instant composition with a long-acting oral health-care function for dogs and cats as well as a preparation method and application of the instant composition, and belongs to the technical field of pet food and pet oral care. The composition comprises 20%-30% of whey protein powder, 10%-20% of hydrolyzed gelatin, 1%-3% of low-molecular-weight chitin saccharide gum, 1%-2% of modified cassava starch, 2%-5% of sodium alginate, 1%-3% of fructo-oligosaccharide, 0.03%-0.08% of lysozyme, 0.03%-0.08% of tea polyphenol, 0.05%-0.15% of zinc gluconate, 0.05%-0.1% of persimmon tannin, 3%-5% of tuna hydrolysate, 4%-6% of whole goat milk powder, 2%-4% of skim yoghurt powder and the balance water. The added active ingredients have long-acting slow-release and continuous effects in the formula, oral pathogenic bacteria can be effectively inhibited, dental plaque and dental calculus formation can be reduced, halitosis can be lastingly relieved, and the toothpaste has good market competitiveness.

The invention belongs to the technical field of biological pharmacy, and provides an application of jonquil glucoside in preparation of a medicine for treating a metabolism-related fatty liver disease, and the application is that the jonquil glucoside is applied to preparation of the medicine for treating the metabolism-related fatty liver disease. The treatment effect of the jonquil glycoside on MASLD is evaluated by adopting a method for establishing a fatty liver model through induction of HFD high-fat, high-fructose and high-cholesterol feed. Results show that the jonquil glucoside can reduce the liver weight by inhibiting weight gain, reduce the content of TC and TG in serum, improve the conditions of liver inflammation and fat change, reduce the oxidative stress level of liver tissue and restore SIRT1 protein expression of the liver tissue to achieve the purpose of treating MASLD.

The invention discloses a preparation method of a sulfonic acid type covalent organic framework material and a preparation method of 5-hydroxymethylfurfural. The material is prepared by carrying out covalent condensation reaction on a monomer containing a sulfonic acid group precursor and a connecting ligand of a skeleton through a hot solvent method, and the catalyst has the characteristics of high crystallinity, large specific surface area, ordered pore structure, high sulfonic acid group density and uniform distribution. The preparation method is simple, convenient, efficient, mild in condition and high in yield. Compared with a traditional lewis acid catalyst for preparing 5-hydroxymethylfurfural through fructose dehydration, the material has the advantages of being uniform and adjustable in porosity, higher in active site, capable of promoting fructose hydrolysis and the like, efficient conversion can be achieved, side reactions and product transition polymerization are inhibited, and better industrialization prospects are shown.

The invention belongs to the technical field of preparation of bio-based platform compounds, and discloses a method for preparing 5-hydroxymethylfurfural by photocatalysis of glucose with a composite membrane, which comprises the following steps: by taking the composite membrane as a catalyst, mixing a glucose aqueous solution and a solvent under illumination conditions, and carrying out catalytic reaction to obtain crude 5-hydroxymethylfurfural production liquid; the method is used for solving the problems of low conversion rate, more byproducts, difficulty in continuous preparation, poor water resistance, strong corrosion and the like of the synthesis of 5-hydroxymethylfurfural. According to the method, a glucose solution passes through a composite membrane assembled by a mesoporous high-entropy sulfide membrane and a microporous zeolite molecular sieve membrane in a continuous flow manner, is efficiently isomerized into fructose under the action of illumination, and is dehydrated and continuously converted into 5-hydroxymethylfurfural. The composite membrane used in the method is high in water resistance, clean and non-toxic, has double functions of reaction and separation, effectively prevents the 5-hydroxymethylfurfural from further reacting with substances such as water and the like to generate humus, and realizes high-selectivity and continuous preparation of the 5-hydroxymethylfurfural.

The invention discloses a composite plant polypeptide composition with the effects of repairing pancreas and reducing blood sugar. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10 to 50 parts of ginsenoside, 5 to 30 parts of radix astragali seu hedysari extract, 3 to 20 parts of radix rehmanniae polysaccharide, 2 to 15 parts of radix trichosanthis alkaloid, 5 to 25 parts of rhizoma dioscoreae polysaccharide, 5 to 30 parts of bitter gourd polypeptide, 3 to 20 parts of folium mori alkaloid, 8 to 40 parts of rhizoma polygonati polysaccharide, 5 to 25 parts of fructus hippophae flavone, 10 to 35 parts of wheat germ peptide, 2 to 15 parts of coptis berberine, 10 to 45 parts of corn stigma polysaccharide and 3 to 20 parts of saussurea involucrata polyphenol. 1-10 parts of sophora flavescens total alkaloids, 5-25 parts of a dendrobium extract, 5-30 parts of a radix puerariae extract, 8-35 parts of L-arabinose and 10-40 parts of small molecule peptides; 20 to 100 parts of collagen peptide and 15 to 80 parts of albumin peptide; 5-50 parts of microcrystalline cellulose, 3-30 parts of fructo-oligosaccharide and 0.5-5 parts of magnesium stearate; the limitation of single sugar control or simple component mixing in the prior art is broken through, a synergistic system of plant active components and functional polypeptides is constructed, and the purity and retention rate of the plant active components are improved by optimizing the extraction process.

The invention belongs to the technical field of biochemistry, and particularly relates to a probiotic composition for relieving depression as well as a preparation method and application of the probiotic composition. The probiotic composition is prepared from bacillus cecum, lactobacillus reuteri and an oligosaccharide composition; wherein the viable count of the bacillus cecum and the lactobacillus reuteri is 10 < 9 >-10 < 11 > CFU / g; the oligosaccharide composition is prepared by compounding polydextrose, fructo-oligosaccharide and galactooligosaccharide according to an optimized weight ratio. According to the invention, the oligosaccharide composition is cooperated with the probiotics to play a curative effect, so that the proliferation effect of the bacteroides cecum and the lactobacillus reuteri in the intestinal tract is improved, and the balance of the probiotics in the intestinal tract is regulated. Detection results of behavioristics and physiological indexes of mice show that the depression-like behaviors of the mice are remarkably reduced under the action of the composition, and various biochemical indexes are remarkably improved; the composition has a certain improvement effect on depressive mood.

The invention discloses a composition capable of quickly dispelling the effects of alcohol and relieving moderate and mild fatty liver and application of the composition, and particularly relates to the technical field of health care products. The composition comprises the silybum marianum extract, the schisandra chinensis extract, the globe artichoke extract and the 1, 6-fructose diphosphate and cyclodextrin-clathrated silybum marianum extract as raw materials, on one hand, the bioavailability of the product is improved, the taste of the product is better, and the taste of the clathrated product is improved due to the fact that silybin is very bitter and cyclodextrin has a shielding property; and on the other hand, the FDP and the three plant extracts have a synergistic effect, and the combined composition can achieve the effects of quickly dispelling the effects of alcohol and relieving moderate and mild fatty liver.

The invention provides a probiotic composition for inhibiting helicobacter pylori as well as a probiotic agent and application thereof, and belongs to the technical field of probiotic functional products. The probiotic composition is prepared from the following components in parts by weight: 0.05 to 2 parts of a pediococcus pentosaceus strain A21358, 0.01 to 1.5 parts of a plant lactobacillus strain A21136, 0.05 to 1.5 parts of a lactobacillus rhamnosus strain A21149 and 0.03 to 1.2 parts of a lactobacillus reuteri strain A21325. The probiotic agent comprises the probiotic composition, resistant dextrin, xylooligosaccharide, erythritol, inulin, fructo-oligosaccharide, hericium erinaceus powder, fucoidin and at least one fruit powder selected from grape powder, passion fruit powder and kiwi fruit powder, wherein the specific weight parts of the resistant dextrin, the xylooligosaccharide, the erythritol, the inulin, the fructo-oligosaccharide, the hericium erinaceus powder, the fucoidin and the at least one fruit powder are selected from grape powder, passion fruit powder and kiwi fruit powder. The probiotic agent has the effect of inhibiting helicobacter pylori, and a new thought is provided for clinical related auxiliary treatment of helicobacter pylori infection.

The invention relates to the technical field of solid beverages, in particular to isomaltitol dietary fiber particles and a preparation method thereof, and the isomaltitol dietary fiber particles comprise the following components: isomaltitol, Chinese date mulberry extract, golden flower Tibetan tea powder, fructo-oligosaccharide, polydextrose, xylooligosaccharide, stachyose, insoluble dietary fiber, inulin, konjac glucomannan and lycium barbarum polysaccharide. By processing the raw materials and optimizing the process, the problems of poor taste, low stability, single function and the like of the existing dietary fiber product are solved. The application of the microencapsulated isomaltitol and the ultrahigh pressure treated inulin respectively realizes the slow-release control of a sweetening agent and the improvement of the solubility of polysaccharide fibers, and the flavor adjustment of the Chinese date mulberry extract and the decaffeinated golden flower Tibetan tea powder, so that the product has high dietary fiber content and also has fresh and sweet fruit fragrance and elegant tea fragrance; and the taste is fine and caking-free.

The application discloses a D-allulose 3-epimerase mutant, a preparation method and application thereof, and relates to the fields of genetic engineering and enzyme engineering. The amino acid sequence of the D-allulose 3-epimerase mutant is shown as SEQ ID NO. 1. The specific enzyme activity of the D-allulose 3-epimerase mutant provided by the application is increased from 10.21 U / mg of a control (before mutation) to 15.29 U / mg at 80 DEG C and pH 6.0; and the equilibrium conversion rate is increased from 29.98% of the control (before mutation) to 36.26% when the substrate is 700 g / L of fructose. The D-allulose 3-epimerase mutant provided by the application has higher catalytic activity, and has a very broad application prospect in the efficient production and preparation of D-allulose.

The invention relates to the technical field of gene engineering, in particular to application of a knockout SlABCB13 gene in increasing the soluble sugar content of tomato fruits. The function of the SlABCB13 gene is deleted by mediating gene editing, so that the content of soluble sugar (cane sugar, fructose and glucose) and the content of soluble solids in tomato fruits are remarkably increased, and the SlABCB13 participates in sugar transport of the tomato fruits. Meanwhile, the mutant does not influence related yield indexes such as plant height, stem diameter, fruit size, fruit setting number and single-plant fruit yield, and a new thought is provided for the problem that yield and quality are difficult to consider in existing tomato breeding.

The invention discloses selenium functionalized clostridium butyricum-bacillus subtilis composite probiotic freeze-dried powder as well as a preparation method and application thereof. The compound probiotic freeze-dried powder is prepared from the following components in parts by mass: 20 to 30 parts of compound probiotic bacterial sludge, 10 to 20 parts of trehalose, 20 to 30 parts of fructo-oligosaccharide, 20 to 30 parts of dried skim milk, 8 to 10 parts of sodium alginate and 1 to 2 parts of calcium chloride. The preparation method comprises the following steps: blending selenium-functionalized clostridium butyricum, bacillus subtilis and a freeze-drying protective agent in sodium alginate hydrogel, and further performing vacuum freeze-drying to obtain the composite probiotic freeze-dried powder. The freeze-dried powder prepared by the invention continuously releases hydrogen through metabolism of probiotics, shows excellent active oxygen scavenging ability, and shows outstanding application value in the field of intestinal injury treatment. The method disclosed by the invention is simple and efficient in process and has good potential of large-scale production.

The application discloses application of VvERF105 and VvSWEET15 promoter interaction in reducing sugar accumulation in fruits, and belongs to the technical field of biotechnology, and particularly relates to application of VvERF105 and VvSWEET15 promoter interaction in reducing sugar accumulation in fruits.The protein VvERF105 can interact with the VvSWEET15 promoter, the expression amount of the VvERF105 is regulated, the contents of grape glucose and fructose in grape fruits are negatively regulated, and the application prospect is good in the field of plant breeding.

1. Name of the designed product: packing box (milk fruit sugar oral solution). 2. Use of the designed product: for product packing. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo showing the design points: perspective view 1.

The invention relates to the field of traditional Chinese medicine beverages, and discloses a winter traditional Chinese medicine beverage with a lung moistening function and a preparation method thereof.The winter traditional Chinese medicine beverage is prepared from, by weight, 8-12 parts of lily extract, 5-8 parts of almond peptide, 2-4 parts of mogroside, 3-5 parts of tremella polysaccharide, 0.5-1 part of pericarpium citri reticulatae volatile oil and 1-2 parts of bulbus fritillariae cirrhosae slow-release microcapsules. The invention relates to a low-temperature enzymolysis and supercritical CO2 extraction combined decoction, which is prepared from the following raw materials in parts by weight: 4-6 parts of a compound probiotic leavening agent, 3-5 parts of natural honey, 2-3 parts of fructo-oligosaccharide, 0.3-0.8 part of citric acid, 0.1-0.3 part of a natural flavor regulator and the balance of purified water, aims at the problem of extensive traditional decoction process, and realizes accurate treatment of different medicinal material characteristics through a low-temperature enzymolysis and supercritical CO2 extraction combined technology. According to the present invention, the high temperature is prevented from damaging the thermosensitive component, the extraction efficiency of the insoluble substance is improved through the pressure regulation, the retention rate of the active component is qualitatively improved, and the composite probiotic fermentation process is innovatively introduced in the systematicness of the compatibility.

The invention relates to a process for the production of a mixture of 5-hydroxymethylfurfural and glucose from a feedstock containing fructose in the presence of at least one polar aprotic solvent and of at least one dehydration catalyst, in which process the reaction temperature is less than 90° C.

This invention discloses a pet food with coat-enhancing, shine-promoting, and coat-protecting effects, its preparation method, and applications. The food comprises the following components: chicken meal, fresh chicken meat, duck meal, sardine meal, chicken liver, sweet potato meal, corn meal, chicken heart, beef bone meal, duck meat pear, chicken oil, and egg yolk granules; coriander root powder, inulin, seaweed powder, beet pulp, flaxseed, fish oil, cranberry powder, carrot, krill, honeysuckle, turmeric, chrysanthemum, mannan oligosaccharide, lactulose, etc. The raw materials and auxiliary ingredients of this pet food are widely available, palatable, inexpensive, and readily available. The coriander root powder, other auxiliary ingredients, and nutritional supplements / additives work synergistically to improve the shine of the pet's coat, promote growth, and maintain coat health, while also improving the microstructure of the hair cuticle, fundamentally preventing pet coat health problems. The pet food preparation method disclosed in this invention is simple to operate, safe, and environmentally friendly, and is particularly suitable for feed products with high humidity and high heat sensitivity.

The invention belongs to the field of medicaments, and discloses a nano-medicinal preparation capable of treating diabetes and a preparation method of the nano-medicinal preparation. The preparation method comprises the following steps: carrying out hydrothermal reaction on fructose-1, 6-strontium diphosphate, vanadium pentoxide and ergothioneine to prepare strontium-vanadate organic framework nanoparticles; the strontium-vanadate organic framework nano-particles, dopamine and polylysine are blended, embedding of polydopamine is achieved under the alkaline condition, polylysine-polydopamine co-embedded organic framework nano-particles are formed, and the nano-drug preparation for treating diabetes is obtained. The nano medicinal preparation can release the vanadyl complex and the ergothioneine and improve the blood strontium concentration and the half-life period thereof, so that the blood sugar is controlled, the symptoms of diabetes mellitus are improved, and the symptoms of osteoporosis, arteriosclerosis and the like complicated by diabetes mellitus are improved.

The invention provides a low-GI liquid dietary fiber composition, an oral gel and a preparation method and application thereof, and belongs to the technical field of biology. The liquid dietary fiber composition comprises the following raw materials in parts by weight: 4-10 parts of bitter gourds, 7-15 parts of konjac powder, 2-6 parts of white kidney beans, 15-25 parts of barley, 3-9 parts of apples, 3-9 parts of passion flowers, 5-11 parts of blueberry concentrated juice and 4-6 parts of fructo-oligosaccharide. The liquid dietary fiber composition prepared from the raw materials has obvious effects of treating and / or preventing intestinal diseases and blocking glycolipid absorption.

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 relates to a powdery postbiotic intestinal conditioner for dogs and cats and a preparation method thereof. The powdery postbiotic intestinal conditioner comprises the following components: 20-30% of a postbiotic saccharomyces cerevisiae culture, 10-30% of fructo-oligosaccharide, 5-10% of elm bark powder, 30-40% of chicken powder and 5-15% of beer yeast powder. The preparation method comprises the following steps: carrying out vacuum low-temperature drying on the metagen saccharomyces cerevisiae culture, crushing into fine powder, and sieving; carrying out spray drying on the fructo-oligosaccharide to obtain powdery fructo-oligosaccharide with good fluidity; crushing the elm barks at low temperature, and sieving to obtain fine powder of the elm barks; performing high-temperature steaming on chicken, performing extrusion degreasing, performing low-temperature crushing, performing sieving, and performing hot-air drying on powder to obtain powdery uniform particles; carrying out vacuum drying on the beer yeast powder, and screening to obtain powdery yeast nutrition powder; the components are added into a double-shaft mixer to obtain the homogenized powdery postbiotic intestinal conditioner for dogs and cats. Various intestinal function raw materials are scientifically proportioned, and beneficial substances, dietary fibers and natural mucus protection components have a synergistic effect.

The invention discloses a prebiotic black coffee beverage capable of improving the intestinal health function and a preparation method and application thereof, and belongs to the technical field of functional food. The invention discloses a prebiotic black coffee beverage with a function of improving intestinal health. The prebiotic black coffee beverage is prepared from the following raw materials: water, a black coffee concentrated solution, resistant dextrin, polydextrose, fructo-oligosaccharide, puerarin, mogroside and xanthan gum. The prebiotic black coffee drink added with prebiotics, dietary fibers and medicinal and edible components has the functions of improving intestinal health, promoting excretion and relaxing bowels, and is suitable for intestinal health management of people who have high sedentariness and irregular work and rest.

The invention belongs to the technical field of nutritious food, discloses a soluble fiber solid beverage and a preparation method thereof, and solves the problems of single component, lack of functional synergy and insufficient universality of the existing soluble fiber solid beverage. The soluble fiber solid beverage is prepared from the following components in parts by weight: 1 to 2 parts of alginate oligosaccharide, 25 to 40 parts of resistant dextrin, 20 to 30 parts of inulin, 15 to 25 parts of polydextrose, 10 to 20 parts of fructo-oligosaccharide, 3 to 5 parts of stachyose and 0.1 to 0.3 part of stevioside. The total soluble fiber content can reach 88.5%, the dissolution time is only 2.3 s, the particle size of undissolved particles is smaller than or equal to 5 microns, the abdominal distension occurrence rate is 6.0%, the gas production rate is 10.0%, and the low-sugar-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low-fat-content low

This invention discloses a green synthesis method for acid-base bifunctional molecular sieves and its application. The method constructs acid-base sites in a one-step synthesis, yielding a molecular sieve catalyst containing acid-base bifunctional sites. This molecular sieve exhibits high activity and stable performance, and can be used as a catalyst to catalyze the isomerization of glucose to fructose. It significantly improves conversion efficiency in reactions catalyzing the isomerization of high-concentration glucose to fructose or its conversion to methyl lactate. Furthermore, this synthesis method avoids the use of environmentally harmful fluorinated mineralizers and inorganic acids, solving the problems of complex, time-consuming, and environmentally unfriendly synthesis processes of existing acid-base bifunctional molecular sieves. It also addresses the issues of low reaction efficiency and low selectivity of existing catalysts in reactions catalyzing the conversion of high-concentration glucose.

The invention discloses a preparation method of acete chinensis buckwheat noodles, and belongs to the technical field of food processing. The present invention provides an acetes chinensis buckwheat noodle preparation method, which comprises: (1) cleaning fresh acetes chinensis to remove impurities, washing with clear water, adding water, and pulping; then adding fructo-oligosaccharide, and sterilizing to obtain an acete chinensis mixture; (2) adjusting the pH value of the acete chinensis mixture to 3.0-5.0, and simultaneously adding acid protease and bifidobacterium breve for enzymolysis-fermentation treatment; and (3) mixing the acete chinensis pulp obtained after the enzymolysis-fermentation treatment with sweet buckwheat flour, vital gluten, konjaku flour and high-gluten wheat flour, kneading dough, performing extrusion forming, and performing vacuum drying to obtain the final acete chinensis buckwheat noodles. The acete chinensis and buckwheat noodles prepared by the method reduce allergens in acete chinensis, produce nutrient substances through probiotic fermentation, and have good taste.

The invention discloses polygonatum cyrtonema polysaccharide as well as a preparation method and application thereof, and relates to the technical field of plant polysaccharide extraction. The invention relates to the technical field of biological medicine, in particular to polygonatum cyrtonema polysaccharide as well as a preparation method and application thereof. The polygonatum cyrtonema polysaccharide is composed of fructose and glucose according to the molar ratio of 27.5: 1, the main chain of the polygonatum cyrtonema polysaccharide is of a 1-beta-D-Fruf-(2-) structure, and the side chain of the polygonatum cyrtonema polysaccharide comprises-> 6-beta-D-Fruf-(2-) and-> 1, 6-beta-D-Fruf-(2-). The polygonatum cyrtonema polysaccharide provided by the invention has the activity of reducing blood sugar, reducing blood fat and relieving insulin resistance, and has a wide application prospect in the aspect of developing functional foods or medicines for adjuvant therapy of diabetes mellitus.

The present disclosure describes a recombinant yeast host cell having a first engineered metabolic pathway to convert fructose-6-phosphate (F-6-P) into acetyl-coenzyme A. The first engineered metabolic pathway comprises: a genetic modification for expressing a heterologous phosphoketolase capable of converting fructose-6-phosphate into erythrose-4-phosphate, and at least one genetic modification for decreasing native 6- phosphofructo-2-kinase activity classified under Enzyme Commission No. 2.7.1.105. Optionally, the recombinant yeast host cell comprises a second engineered metabolic pathway for convert acetyl-coA into a fermentation product. The present disclosure further describes a process for making a fermentation product. The process comprises contacting the recombinant yeast host cell described herein with a carbohydrate source under a condition allowing the conversion of at least a part of the carbohydrate into a fermentation product.