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    • 1. 发明申请
    • LIMONIN EXTRACTION METHOD
    • 柠檬提取法
    • US20170029460A1
    • 2017-02-02
    • US15302983
    • 2015-04-30
    • JIMEI UNIVERSITY
    • Hui NIHuinong CAIYuanfan YANGQiufen GAOFeng CHENXiping DUGaoling HUANGLing WUAnfeng XIAO
    • C07J73/00A23L33/105
    • C07J73/00A23L33/105A23V2002/00C07J73/008
    • A limonin extraction method, comprising the following steps: step one, raw material extracting or juicing: directly soaking raw material in water or using a presser to directly juice the raw material to obtain the extract; step two, adding salt and adjusting pH: adding a sulfate solid material or saturated sulfate solution to the extract; adjusting pH to 3-7; step three, heating and preserving heat: heating to 20° C.-100° C. and keeping at the temperature for 10 minutes-110 minutes; step four, centrifuging: centrifuging for 10 minutes at a rotational speed of 2500×g, and obtaining limonin precipitation. Compared with a traditional method, the raw material in the present invention can directly use the extract liquid or juicing liquid without drying, and recover most limonin in water using a precipitation method without complicated apparatus, and is easy to operate and has a low process cost.
    • 一种柠檬苦素提取方法,包括以下步骤:第一步,原料提取或榨汁:将原料直接浸泡在水中或使用压榨机直接将原料榨汁获得提取物; 第二步,加盐调节pH:向提取物中加入硫酸固体物质或饱和硫酸盐溶液; 调节pH至3-7; 第三步,加热保温:加热至20°C-100°C,并保温10分钟至110分钟; 第四步,离心:以2500×g的转速离心10分钟,得到柠檬苦素沉淀。 与传统方法相比,本发明的原料可以直接使用提取液或榨汁液而不干燥,并且使用无复杂装置的沉淀法在水中回收大多数柠檬苦素,易于操作且工艺成本低 。