Method for extracting pectin from akebia trifoliata var australis peel

Abstract

The invention discloses a method for extracting pectin from akebia trifoliata var australis peel, which comprises: picking akebia trifoliata var australis peel serving as a raw material; shearing, rinsing in hot water, deactivating enzyme and drying; and preparing pectin by acid leaching, filtering, decolorizing, precipitating in alcohol, centrifuging for separation, dying under vacuum and grinding. The method has the advantages of fewer steps, simple equipment, low cost, little energy consumption, suitability for industrial production and the like, and the prepared pectin is light in color, high in purity and easy to form into gel and can be directly used as feed additive or medicine auxiliary.

Description

A method for extracting pectin from Akebia peel technical field The invention belongs to the field of food additive processing, and in particular relates to a method for extracting pectin from Akebia peel. Background technique White Akebia [Akebiatrifoliata (Thunb.) Koidz.var.australis (Diels) Rehd] belongs to Akebia trifoliata (Thunb.) Koidz. . Akebia is a deciduous or semi-evergreen winding shrub. It grows wild in the half shade of hillside wasteland. The flowering period is March to April and the fruiting period is October to November. It is distributed in Jiangsu, Zhejiang, Jiangxi, Guangxi, Guangdong, Hunan, Hubei, Shanxi, Shaanxi, Sichuan, Guizhou, Yunnan and other places. Wild Akebia contains 4.03% crude fat, 2.45% crude protein, 3.86% crude fiber, 6.38% ash, 50.32% total sugar, and is rich in vitamin C and Na, Mg, Fe, K, Ca, Cu, Zn, Co and other mineral elements, and contain at least 17 kinds of amino acids, 7 of which are essential amino acids. As an akebia me...

AI Technical Summary

Problems solved by technology

Most of Akebia is discarded as the waste residue after decocting Chinese herbal medicines, but the peel of Akebia contains 7.5-11% pectin, resulting in a great waste of resources

The extraction of pectin has been reported on many plants such as citrus, apple, pear, banana, sweet potato, mango, etc., but there is no report on the extraction of pectin from the peel of Akebia fruit at home and abroad.