从新鲜植物材料中得到富含迷迭香酸的提取物的方法

文档序号:1116810 发布日期:2020-09-29 浏览:9次 >En<

阅读说明:本技术 从新鲜植物材料中得到富含迷迭香酸的提取物的方法 (Method for obtaining rosmarinic acid-rich extract from fresh plant material ) 是由 M·亨伯特 M·米内夫里埃 T·乌盖托 S·拉沃恩 于 2019-02-14 设计创作,主要内容包括:本发明涉及从新鲜植物材料中得到富含迷迭香酸的提取物的方法,所述新鲜植物材料选自来自唇形科、五加科、紫草科、伞形科、禾本科和锦葵科的植物的新鲜地上部分、花梢、花和/或叶。本发明的特征在于,所述方法包括以下连续步骤:1)对所述植物材料进行蒸汽漂白;2)在4巴至10巴的压力下用至少一个压缩螺杆连续挤压1)中漂白的植物材料,同时回收汁液(液体共-产品);3)过滤在2)中回收的汁液并且回收澄清汁液;和4)将3)中的澄清汁液雾化,得到包含相对于提取物的总重量至少5重量%的迷迭香酸的颗粒状或细粉状提取物。本发明也涉及由此得到的提取物以及包含这种提取物的组合物。根据本发明的组合物用于食品、化妆品、保健品和药物领域。(The present invention relates to a method for obtaining an extract enriched in rosmarinic acid from fresh plant material selected from fresh aerial parts, tips, flowers and/or leaves of plants from the families labiatae, araliaceae, alkannaceae, umbelliferae, poaceae and malvaceae. The invention is characterized in that the method comprises the following successive steps: 1) steam bleaching the plant material; 2) continuously extruding the bleached plant material of 1) with at least one compression screw at a pressure of 4 to 10 bar while recovering the juice (liquid co-product); 3) filtering the juice recovered in 2) and recovering a clarified juice; and 4) atomizing the clarified juice of 3) to obtain a granular or finely powdered extract containing at least 5% by weight of rosmarinic acid relative to the total weight of the extract. The invention also relates to the extracts thus obtained and to compositions comprising such extracts. The composition according to the invention is used in the fields of food, cosmetics, health products and pharmaceuticals.)

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