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65 results about "Sesamol" patented technology

Sesamol is a natural organic compound which is a component of sesame seeds and sesame oil. It is a white crystalline solid that is a derivative of phenol. It is sparingly soluble in water, but miscible with most oils. It can be produced by organic synthesis from heliotropine.

Production process of sesamol-rich fragrant sesame oil

The invention discloses a production process of sesamol-rich fragrant sesame oil. The production process is characterized by comprising the following steps of: cleaning and removing impurities; soaking and washing; naturally draining and germinating; frying seeds at a high temperature; cooling; grinding into pulp with a stone mill; adding water and stirring; turning oil (shaking oil); skimming oil; and standing and settling to obtain a finished product. The production process has the advantages that the defects of high probability of getting burnt during direct roasting of dry sesame and high probability of producing 3,4-benzopyrene after burning are avoided by soaking the sesame with water, draining and then roasting at the high temperature, the sesame seeds are germinated during washing, soaking and drainage of the sesame, the germinated sesame seeds are roasted at the high temperature and then grease is extracted, the sesamol content in the sesame oil is higher than that of the sesame oil extracted from the ungerminated sesame, sesame pulp has high water absorbing speed and high oil yield speed, the obtained sesame oil has better flavor, the content of vitamin E in the sesame oil extracted from the germinated sesame, which is washed and soaked with water and drained, is higher than that of the sesame oil extracted from the ungerminated sesame, and the oil yield is improved by 1-2 percent compared with that in the prior art.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Preparation of soluble squid ink melanin after fishy smell removal, and application of soluble squid ink melanin after fishy smell removal in foods

The invention discloses preparation of soluble squid ink melanin after fishy smell removal, and an application of the soluble squid ink melanin after fishy smell removal in foods, and belongs to the technical field of the foods. The preparation method comprises the following steps of unfreezing squid ink sacs, performing centrifuging, taking precipitate, then adding a citric acid/sesamol/ethanol composite fishy smell removal agent, performing stirring fishy smell removal treatment on the precipitate, then performing centrifuging, taking precipitate, performing washing repeatedly, and performing freeze-drying so as to obtain insoluble melanin samples; and dispersing the insoluble melanin in water, performing ultrasonic treatment for some time, then performing cooling, performing centrifuging, taking supernatant, and performing freeze drying so as to obtain the soluble squid melanin after fishy smell removal treatment. According to the preparation disclosed by the invention, the fishy smell removal treatment is performed through the citric acid/sesamol/ethanol composite fishy smell removal agent, so that the problem of fetor of cephalopoda melanin is thoroughly solved, and the prepared squid soluble melanin does not have any fetor taste and can be applied to development of foods, medicines and cosmetics.
Owner:JIANGNAN UNIV

Method for rapid and efficient breeding of oil-producing strains and application thereof

InactiveCN108690814ASimple and efficient mutagenesis methodGood genetic stabilityFungiMutant preparationBiotechnologyLiquid medium
The invention provides a method for rapid and efficient breeding of oil-producing strains. Firstly, Mutagenesis of Trichosporon cutaneum is carried out by an atmospheric pressure and room temperatureplasma mutagenesis instrument. Then, the mutant Trichosporon cutaneum is inoculated on a flat medium containing sesamol. Strains with vigorous growth are selected and inoculated into 48-well liquid mediums, and high throughput screening is carried out on the cultured strains by 96-well plate Nile red fluorescence staining to obtain mutant strains with fast proliferation and high oil yield. Finally, oil composition is detected by gas chromatography. After mutagenesis and screening, a strain A1 with high oil yield is screened out. Compared with the original strain, the biomass, oil yield and oilproductivity of the strain A1 are increased by 41.6%, 120.3% and 58.8% respectively. The fatty acid composition of the strain A1 is the same as that of the original strain by gas chromatography composition analysis, including palmitic acid, oleic acid, linoleic acid, linolenic acid, etc. Combining ARTP plasma mutagenesis technology with malic enzyme inhibitor and Nile red fluorescent staining, high-throughput screening is realized and a strain with high oil yield is successfully bred.
Owner:CHINA THREE GORGES UNIV

High performance liquid chromatography fluorescence detection method for simultaneously measuring four prohibited and limited additives in tobacco flavors and perfumes

The invention discloses a high performance liquid chromatography fluorescence detection method for simultaneously measuring four prohibited and limited additives in tobacco flavors and perfumes. The high performance liquid chromatography fluorescence detection method comprises the following steps: firstly performing oscillating extraction on the tobacco flavors and perfumes by using alcohol, standing to pass through a 0.45 micrometer organic phase filtering membrane to obtain a to-be-detected sample solution; and simultaneously preparing standard solutions of the four prohibited and limited additives, respectively performing detection analysis on the to-be-detected sample solution and the standard solutions by adopting a high performance liquid chromatography fluorescence detector, and then performing quantitative analysis by adopting an external standard method, figuring out contents of the four prohibited and limited additives in the tobacco flavors and perfumes, wherein the four prohibited and limited additives comprise sesamol, beta-naphthol, beta-asarone and safrole. According to the high performance liquid chromatography fluorescence detection method, simultaneous measurement of the four prohibited and limited additives in the tobacco flavors and perfumes is realized. Because special chromatographic columns for phenols are used, the detection time is relatively short; the fluorescence detector is adopted, the selectivity is relatively high, the matrix interference is relatively small, the detection limit is relatively low; no water removal is needed before treatment, and the relative simplicity is achieved in operation.
Owner:中国烟草总公司湖北省公司

Method for increasing content of docosahexaenoic acid in schizochytrium limacinum grease

ActiveCN104480152APathway metabolic flux declinePathway metabolic flux reductionMicroorganism based processesFermentationTricarboxylic acidCarboxylic acid
The invention relates to a method for increasing content of docosahexaenoic acid (DHA) in schizochytrium limacinum grease. The method is characterized by comprising the following steps: lowering metabolic flux of a pentose phosphate pathway in thallus by selecting a fermentable carbon source, and lowering the metabolic flux of the pentose phosphate pathway in thallus by further adding an exogenous regulation factor; inhibiting the activity of malic enzyme in a tricarboxylic acid transfer system to greatly lower the content of nicotinamide adenine dinucleotide phosphate (NADPH) in the schizochytrium limacinum thaluus, promote the large-scale synthesis of DHA and enable the content of DHA in the grease of the obtained thallus to be as high as 55.3%, wherein the fermentation carbon source is 1,2-propylene glycol or any one or a mixture of 1,2-propylene glycol and acetate, the exogenous regulation factor is preferably sesamol which is added after filtering and degerming when a fermentation culture medium is sterilized, and the addition amount of the sesamol is 0.5-3.0mM / L. The method disclosed by the invention is simple and easy to perform, obvious in effect, capable of greatly increasing the content of DHA in the thallus grease and easy for industrial application.
Owner:WUHAN HUASHITE IND BIOTECH DEV +1
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