|Table of Contents|

Microwave-assisted Extraction and Physical and Chemical Properties of Pigment From Juglans sigillata Peel of Yunnan

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年06
Page:
89-97
Research Field:
Publishing date:

Info

Title:
Microwave-assisted Extraction and Physical and Chemical Properties of Pigment From Juglans sigillata Peel of Yunnan
Author(s):
LI Li; YANG Xiaofang; DUAN Jiechao
(Department of Resource and Environment,Baoshan College,Baoshan,Yunnan 678000)
Keywords:
Juglans sigillata peel; pigment; extraction process; property
PACS:
-
DOI:
10.11937/bfyy.20201248
Abstract:
Taking Juglans sigillata peel of Yunnan as test materials,the pigment was extracted by microwave assisted method,the extraction process were optimized by single factor and orthogonal experiments,and its stability and antioxidation were investigated,in order to provide a certain reference for the development and utilization of the pigment from Juglans sigillata peel of Yunnan.The results showed that the optimal microwave assisted extraction conditions of pigment were obtained as follows,microwave power 480 W,extract temperature 80 ℃,microwave time 10 seconds,solid-liquid ratio 1∶70 g?mL-1基,ethanol concentration 60%,extract time 60 minutes.The pigment was unstable in hot and light,sensitive to pH,more stable to common food additives,it was stable to Ga2+基,Na+,Mg2+基,Sn2+基,but unstable to Fe3+基,Cu2+基.The optimal has remarkable scavenging activity to ABTS+?,DPPH?,?OH基,which became larger with the increase of its concentration.

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Last Update: 2021-06-09