Extraction method of Mongolian snakegourd effective ingredient

Abstract

The invention provides an extraction method for smakegourd active components, which includes: adding organic solvent or water into dry smakegourd fragment; extracting for 1-3 times, wherein time of each backflow extraction is 2-4 hours or time of normal temperature lixiviation is more than 24 hours, and added amount of organic solvent is 4-8mL per gram of smakegourd fragment; filtering; concentrating extract; and freeze-drying to obtain smakegourd extract. The organic solvent is one or more of methanol, acetone and ethyl acetate. The invention has advantages of easy operation, low cost, high extraction efficiency, high biological activity for the obtained extract, good fresh-keeping effect for fresh meat, fruit and vegetable, and better application prospect.

Description

(1) Technical field

[0001] The invention relates to a method for extracting effective components of Trichosanthes trichosanthes, in particular to an extraction method for active components with bactericidal and fresh-keeping functions. (2) Background technology

[0002] Melon basket is a perennial climbing herb of Cucurbitaceae, also known as Trichosanthes, Dugua, Yaogua, Diaogua. The fruits, seeds and tubers are all used for medicinal purposes. China is distributed in Hebei, Henan, Shandong, Shanxi, Jiangsu, Anhui, Zhejiang, Shaanxi, Gansu and other provinces; it is also produced in Korea and Japan. Both wild and cultivated. Stems up to 10 meters long, much branched. Root tubers are thick, long cylindrical, rich in starch. Leaves alternate, nearly round or nearly heart-shaped, often 5-7 palmately lobed to deeply lobed. Flowering in summer and autumn, white corolla, unisexual. Male flowers form racemes, female flowers are solitary in leaf axils; corolla 5-lobed, lobes ...

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