Fat-soluble ginger oleoresin with high gingerol content and preparation method thereof

• Main Authors: HUANG LIYONG, LIU YINGXUE, QI LIJUN, WU ZHIWEI, YUAN TAIZENG, LIAN YUNHE
• Format: Patent
• Language: Chinese; English
• Published: 13.06.2023
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; METALLURGY; ORGANIC CHEMISTRY; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention provides fat-soluble ginger oleoresin with high gingerol content and a preparation method thereof.The preparation method of the ginger oleoresin comprises the steps that dried ginger is used as a raw material to be extracted through a solvent extraction method, the obtained extracting solution is treated till the solid content is 80-85%, and a ginger oleoresin crude product is obtained; wherein the extraction solvent is a mixed solvent of normal hexane and acetone, and the volume concentration of the acetone is 15-25%. The method disclosed by the invention is suitable for preparing the fat-soluble ginger oleoresin with high gingerol content from the dried ginger on a large scale at low cost, is simple and effective, is high in gingerol yield, is good in fat solubility of the product, and is suitable for industrial production. 本发明提供一种脂溶性高姜酚含量姜油树脂及其制备方法，所述姜油树脂的制备方法包括：以干姜为原料采用溶剂浸提法进行提取，所得提取液处理至固含量为80-85％，得到姜油树脂粗品；其中，浸提溶剂为正己烷和丙酮的混合溶剂，其中丙酮的体积浓度为15～25％。本发明的方法适用于大规模低成本从干姜中制备脂溶性高姜酚含量的生姜油树脂，方法简单有效，姜酚收率高，