首页> 外国专利> Procedure for obtaining a standardized extract of quercetin and 3-O-methylquercetin from marcela flowers (Achyrocline satureioides), and cosmetic and pharmaceutical compositions comprising said extract

Procedure for obtaining a standardized extract of quercetin and 3-O-methylquercetin from marcela flowers (Achyrocline satureioides), and cosmetic and pharmaceutical compositions comprising said extract

机译:从mar花(Achyrocline satureioides)中获得槲皮素和3-O-甲基槲皮素标准化提取物的方法,以及包含所述提取物的化妆品和药物组合物

摘要

An extraction procedure to obtain a standardized extract of quercetin and 3-O-methylquercetin from inflorescences of marcela (Achyrocline satureioides) characterized by comprising the following steps: A) grinding the inflorescences of Achyrocline satureioides to obtain a ground plant material; B) subjecting the ground plant to at least four sequential phases of hydroalcoholic extraction at a temperature of 60ºC to 80ºC, for 3 to 4 hours for each phase, to obtain 4 intermediate hydroalcoholic extracts; C) combine the 4 intermediate hydroalcoholic extracts; D) concentrating the mixture of intermediate hydroalcoholic extracts; to obtain up to a maximum of 20% of the initial mass of the intermediate hydroalcoholic extracts; E) drying the material obtained in (D).
机译:从玛莎拉花(Achyrocline satureioides)的花序中获得槲皮素和3-O-甲基槲皮素的标准化提取物的提取方法,其特征在于,包括以下步骤: B)在60℃至80℃的温度下,对地面植物进行至少四个连续的水醇提取相,每相进行3至4小时,以获得4种中间的水醇提取物; C)合并4种中间水醇提取物; D)浓缩中间水醇提取物的混合物;获得最多20%的中间水醇提取物初始质量的最大值; E)干燥在(D)中获得的材料。

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