14 results about "Chenopodium quinoa" patented technology

The application belongs to the field of enzyme genetic engineering, and particularly relates to application of a sesquiterpene synthase and a mutant thereof in synthesis of enantiomeric-drimenol compounds, wherein the sesquiterpene synthase is a sesquiterpene synthase from Chenopodium quinoa Willd., and includes CqDMDS1 or CqDMDS2; the mutant of the sesquiterpene synthase is a mutant CqDMDS1 in which an amino acid at position 443 of CqDMDS1 is mutated F443A / G The application realizes heterologous expression of the sesquiterpene synthase and the mutant thereof from Chenopodium quinoa Willd. in an Escherichia coli and a N. benthamiana expression system, catalyzes synthesis of (-)‑8,11-driman-diol or (+)‑drimenol. It is found through activity test that the sesquiterpene synthase from Chenopodium quinoa Willd. has a significant inhibitory effect on plant pathogenic fungi Phytophthora nicotianae, Phytophthora sojae and Fusarium graminearum. The sesquiterpene synthase and the mutant thereof and the biological preparation of the catalytic product have important significance for development of biological pesticides.

The invention discloses a chenopodium quinoa willd pre-harvest sprouting resistance molecular marker and a screening method and application thereof, and belongs to the technical field of biology, a high-resistance variety QQ65 and a susceptible variety Faro are utilized to construct an F2 segregation population, and through whole genome re-sequencing and map-based cloning, a major QTL for controlling the pre-harvest sprouting resistance of chenopodium quinoa willd is finely positioned in a physical interval of about 60 kb in a chromosome 8. In the interval, low expression of the gene LOC110693583 in the seed germination process of a resistant material is found, high expression of the gene LOC110693583 is induced in a susceptible material, and the sequence variation of the gene LOC110693583 is highly co-separated from the resistance phenotype of the gene LOC110693583. The unique resistance haplotype of the QQ65 in the region is further determined through re-sequencing analysis on a large number of germplasm resources.

The invention discloses quinoa hexapeptide with a hypoglycemic effect and application of the quinoa hexapeptide, and belongs to the technical field of bioactive peptides. The amino acid sequence of the chenopodium quinoa willd hexapeptide PGSPGR is Pro-Gly-Ser-Pro-Gly-Arg, and the chenopodium quinoa willd hexapeptide PGSPGR has alpha-glucosidase inhibitory activity and can effectively reduce the blood sugar level, so that the chenopodium quinoa willd hexapeptide PGSPGR can be applied to preparation of drugs or food for reducing blood sugar. The invention also provides a polypeptide containing the peptide fragment PGSPGR and a quinoa peptide rich in the polypeptide, which are applied to preparation of drugs or food for reducing blood sugar, provide a new scheme and theoretical basis for treatment of diabetes, and have good market prospects and application potential.

The invention relates to the technical field of biological medicines, in particular to saponin compounds separated from quinoa husks, and the compounds have remarkable lipid-lowering and blood-glucose-lowering effects, can effectively inhibit the expression of adipogenesis related proteins (such as FAS, ACC and SCD-1), and reduce the levels of triglyceride (TG), total cholesterol (TC) and glucose in cells.

The invention relates to the technical field of deep processing of black chenopodium quinoa, in particular to a black chenopodium quinoa active peptide capable of promoting hair follicle cell growth and hair growth and care activity and a preparation method and application of the black chenopodium quinoa active peptide. The black chenopodium quinoa active peptide is prepared by the following steps: crushing, pretreating with amylase, performing alkali extraction and acid precipitation, performing double-enzyme step-by-step hydrolysis with alkaline protease and pepsase, and performing ultrafiltration to cut off a fragment with the molecular weight of less than 5000Da, thereby obtaining the black chenopodium quinoa active peptide. In addition, seven brand-new non-toxic characteristic peptide fragments are further screened out, the 5 alpha-reductase and a GSK-3beta receptor can be efficiently combined, and hair follicle cell proliferation is promoted and oxidative damage is relieved by inhibiting the 5 alpha-reductase and activating Wnt / beta-catenin and Nrf2 / HO-1 signal channels. The peptide is natural and safe, the process is simple, the black quinoa peptide is expanded to the field of hair growth and hair care for the first time, the market gap related to grain peptide is filled, and high-value utilization of black quinoa is achieved.

The invention belongs to the field of food, and particularly relates to a preparation method of a germinated quinoa meal replacement bar capable of assisting in improving memory. The method comprises the following steps: performing surface sterilization and hydration on chenopodium quinoa grains, germinating under the condition of constant temperature and humidity, and performing vacuum freeze drying and crushing after germination to obtain germinated chenopodium quinoa powder; and mixing the germinated quinoa powder with fresh yolk liquid and a sweetening agent in proportion, uniformly stirring to prepare dough, and forming, baking and cooling to obtain the meal replacement bar. The content of nutritional active ingredients of the quinoa is increased through a germination process, and the quinoa has the function of assisting in improving memory. According to the meal replacement bar, germinated quinoa flour is used as a main functional raw material, sorbitol, xylitol, maltitol and the like are selected as sweetening agents, and the sugar load of the product is reduced; the nutritional meal replacement powder has the characteristics of being appropriate in taste, convenient to carry, stable in storage and the like, has the effect of assisting in improving memory, and is suitable for students, mental workers and crowds needing nutritional meal replacement.

The utility model discloses a quinoa seedling anthocyanin extraction device which comprises an extraction box, and a stirring paddle is arranged in the extraction box. Materials and an extracting agent are added into the extraction box, after extraction is completed, the extraction box and the squeezing box are communicated with each other by pulling the sealing door through the electric telescopic rod, the materials and the extracting agent fall into the squeezing box, then the squeezing motor is started, the squeezing roller is driven to rotate under the action of the gear, and squeezing operation is conducted on the materials. By applying external force, the material structure is crushed, and residual target components are promoted to be fully released and transferred into the extraction agent, so that the extraction efficiency is improved, extraction liquid carried in solid residues is effectively reduced, the residual quantity of liquid in the residues is reduced, the recovery rate of the target components is improved, and waste of the extraction liquid is avoided.

The invention discloses a fermented quinoa beef chili sauce and a sterilization method thereof, and relates to the technical field of seasoning processing. Aiming at the problems of high-salt health hidden danger, single flavor, insufficient nutrition utilization and easy loss of nutrition and flavor in the sterilization process of the existing fermented chilli sauce, the chenopodium quinoa willd and beef are scientifically pretreated and then are mixed with a composite strain adsorbent, a flavor enhancer and the like in proportion, and low-salt fermentation is performed after pre-adsorption treatment, so that the chenopodium quinoa willd-beef chilli sauce is prepared. And adding a natural flavor enhancer in the middle stage of fermentation, carrying out segmented low-temperature sterilization or microwave sterilization treatment after the fermentation is completed, cooling and carrying out vacuum filling to obtain a finished product. The composite strain is formed by compounding salt-tolerant probiotics and local strains, the adsorbent can be regenerated and recycled, and precise targeted sterilization is achieved through the sterilization process. According to the scheme, safe and stable fermentation in a low-salt environment is achieved, the raw material nutrition utilization rate and the product flavor purity are improved, the health attribute and the long shelf life of the product are both considered, and the method is suitable for large-scale production of healthy seasonings.

This invention discloses quinoa bioactive peptides, formulations, and applications with antioxidant and neuroprotective effects, belonging to the field of bioactive peptide technology. The amino acid sequence of the quinoa bioactive peptides described in this invention is at least one of FDDGPFF and LFGGF. Using natural quinoa as raw material, this invention isolates and purifies two quinoa bioactive peptides with antioxidant and neuroprotective effects. Testing showed that both single and complex peptide segments of these two quinoa bioactive peptides exhibit good antioxidant effects and can exert neuroprotective and cognitive-improving effects through multiple targets; providing a core material basis and solid technical support for the development of products with antioxidant and neuroprotective effects.

The invention discloses a special medical purpose formula food for tumor patients to eat and a preparation method thereof, and belongs to the technical field of food processing.The preparation method comprises the following steps that S1, 2-5 parts of highland barley, 2-5 parts of chenopodium quinoa willd, 2-4 parts of chickpeas and 2-4 parts of sorghum are ground into powder, pure water is added according to the mass ratio of materials to water being 1: 5, the materials and the water are mixed to be uniform, the mixture is put into an enzymolysis tank to be subjected to enzymolysis, and enzymolysis liquid is obtained; the enzymatic hydrolysate is obtained. Through a scientific formula, a medicine and food homology formula and an enzymolysis technology, all the components are dynamically and circularly extracted, all the effective components are efficiently extracted, all the effective components are fully reserved, the bioavailability is improved, meanwhile, the taste of special medical food is enriched, the nutritional value of the special medical food is improved, and the special medical food is suitable for large-scale popularization and application. Therefore, the purpose of conditioning the body through the food is achieved.

The invention discloses application of diisobutyl phthalate in prevention and treatment of adult quinoa root maggots, and belongs to the technical field of agricultural planting research. In order to solve the problems that chenopodium quinoa willd yield is seriously lost by chenopodium quinoa willd root maggots and existing prevention and treatment means only depend on chemical agents, the inherent component diisobutyl phthalate of chenopodium quinoa willd is used for achieving remarkable attraction of chenopodium quinoa willd root maggot adults, and the diisobutyl phthalate can be directly used for attraction of the chenopodium quinoa willd root maggot adults and can also be used for preparing chenopodium quinoa willd root maggot adult attractant. The concentration of the diisobutyl phthalate in the attractant is 1 mu g / mu L to 100 mu g / mu L. The application is green and environment-friendly, does not need to depend on chemical agents, provides a new way for green prevention and control of the adult chenopodium quinoa root maggots, widens chenopodium quinoa pest prevention and control means, and has important practical application value and scientific significance.

The invention relates to the technical field of agricultural greenhouse cultivation, and particularly discloses a chenopodium quinoa cultivation method for greenhouse environment regulation, which comprises the following steps: collecting real-time environment parameters and chenopodium quinoa growth image groups in a greenhouse, dividing the greenhouse growth cycle of chenopodium quinoa into four growth stages, setting an environment parameter reference for each growth stage, and setting a chenopodium quinoa growth image group; intercepting a single chenopodium quinoa willd image in the chenopodium quinoa willd growth image by adopting a target detection algorithm, judging whether growth stage switching is triggered or not through a feature recognition model in combination with the current growth stage, defining a stage mark value and setting an environment parameter target for greenhouse environment regulation and control, and if yes, executing the step 2; starting a preset transition period adjustment environment parameter target to regulate and control the greenhouse environment, judging whether branch evaluation is triggered or not, if the evaluated branch quality is low, stopping branch evaluation, triggering growth quality consolidation, adjusting the environment parameter reference, and evaluating the quality-improving and yield-increasing effect of the quinoa at the tail end of the greenhouse growth cycle.

The invention discloses a chenopodium quinoa willd purple rice making method, and relates to the technical field of food processing, and the method comprises the following steps: S1, raw material preparation: selecting Yumiao rice of an ivory variety as a white rice raw material, selecting purple rice and three-color chenopodium quinoa willd rice at the same time, weighing the white rice, the purple rice and the three-color chenopodium quinoa willd rice according to a weight ratio of 5: 2.5: 1, and weighing clear water according to a weight ratio of rice to water of 1: 1 for later use; the method comprises the following steps: selecting ivory variety silky rice as a white rice raw material, designing an accurate raw material ratio of 5: 2.5: 1, matching with an adaptive ratio of 1: 1 rice to water, combining a differential grading pretreatment process aiming at the characteristics of the three raw materials, standardizing the elutriation temperature, frequency and mode and the soaking time requirement, and preparing the silky rice. Meanwhile, the operation procedures and parameter standards of raw material mixing, water adding, cooking and braising are refined, synchronous gelatinization and simultaneous cooking of all the raw materials are achieved, saponin on the surface layer of the quinoa is removed so as to avoid bitter taste residues, and anthocyanin of the purple rice, amino acid minerals of the quinoa and the original fragrance of the silky rice are reserved.

The application discloses a weight-reducing traditional Chinese medicine preparation and a preparation method thereof. The weight-reducing traditional Chinese medicine preparation is prepared from radix puerariae, pericarpium citri reticulatae, coix seed, poria cocos, mulberry, dioscorea, lotus seed, prepared astragalus root and chenopodium quinoa. The weight-reducing traditional Chinese medicine preparation has the effects of invigorating the spleen and expelling dampness, nourishing yin and blood and calming the heart and soothing the nerves, is used for controlling weight and reducing fat, and is suitable for people with obesity.