5 results about "Arachidic acid" patented technology

The application discloses a KASP molecular marker related to quality traits of Brassica napus and application thereof, and belongs to the technical field of molecular genetics.The application discloses the KASP molecular marker related to quality traits of Brassica napus and a primer thereof, and application of the KASP molecular marker and the primer in genotyping or quality trait identification of Brassica napus.The results show that the application can accurately identify genotypes, has high sensitivity and specificity, and effectively reduces the error rate.The application further discloses a Brassica napus genotyping / quality identification method.The results show that a material with a genotyping result of AA has the characteristics of low erucic acid, low glucosinolate, high oleic acid, high linoleic acid, low arachidic acid and low protein content; a material with a GG type shows high erucic acid, high glucosinolate, low oleic acid, low linoleic acid, high arachidic acid and high protein content.The application can quickly screen out individuals with excellent quality traits in early generations, and avoids the long process of identifying traits after plants mature in traditional breeding.

The invention discloses a method for determining organic acids in main stream smoke of cigarettes, which is used for determining 16 organic acids in the main stream smoke of the cigarettes. The 16 organic acids are respectively crotonic acid, tiglic acid, trans-2-methyl-crotonic acid, levulinic acid, benzoic acid, furoic acid, lauric acid, tetradecanoic acid, cinnamic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, nonadecanoic acid, linolenic acid and arachidic acid; the method comprises the following steps: capturing flue gas, oscillating and extracting, preparing a standard solution, preparing a solution to be detected, qualitatively analyzing and quantitatively analyzing. By adopting the method, the 16 organic acids in the mainstream smoke of the cigarette can be accurately determined.

The invention discloses a method for efficiently preparing arachidic acid and behenic acid by adsorbing and decontaminating raw materials through bio-based calcium oxide, and relates to the field of grease chemical engineering, the method comprises the following steps: S1, high-erucic acid rapeseed oil raw materials are subjected to decontaminating treatment through an adsorption column filled with bio-based calcium oxide, and the bio-based calcium oxide is prepared by calcining aquatic organism shells; s2, carrying out acidic hydrolysis on the impurity-removed raw material to obtain mixed fatty acid; according to the method for efficiently preparing the arachidic acid and the behenic acid by adsorbing and removing impurities from the raw materials through the bio-based calcium oxide, the bio-based calcium oxide is prepared from waste shells, high-value utilization of waste is achieved, and the cost is low. The material has a high specific surface area and abundant mesopores, and shows a selective adsorption capacity far higher than that of common calcium oxide on polar impurities such as thioglycoside and colloid, the removal rate can reach 88% or above, and the purity of the raw materials is guaranteed from the source.

This invention discloses the application of a metabolic biomarker in the preparation of products for diagnosing ASD and ADHD, which has the advantages of high sensitivity, high specificity, and high accuracy, and can reflect the severity of the disease and comorbidities. The biomarker is one of the following: linoleamide, valeric acid, androstenedione sulfate, arachidic acid, or uric acid.

This invention relates to a method for the direct synthesis of Aramchol from cholic acid, belonging to the field of organic synthesis technology. The key technical point of this invention is the method for the direct synthesis of Aramchol from cholic acid. First, eicosanoyl chloride is prepared from arachidic acid and thionyl chloride. Then, eicosanoamide is prepared from eicosanoyl chloride and ammonia-methanol solution. The eicosanoamide is added to tetrahydrofuran, followed by the addition of cholic acid, diethyl azodicarbonate, and triphenylphosphine. Aramchol is synthesized under the action of diethyl azodicarbonate and triphenylphosphine. This method overcomes the shortcomings of existing techniques for synthesizing Aramchol from cholic acid, such as excessively long reaction routes, large consumption of sodium azide and eicosanoyl chloride, complex side reactions, and poor reproducibility. The preparation method involves reactions at room temperature, is simple to operate, has short steps, convenient post-processing, and high yield, making it suitable for industrial application.