|Table of Contents|

Extraction of Heritiera littoralis Husk Brown Pigment and Its Stability and Antioxidant Activity

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年23
Page:
96-101
Research Field:
Publishing date:

Info

Title:
Extraction of Heritiera littoralis Husk Brown Pigment and Its Stability and Antioxidant Activity
Author(s):
PANG Tingcai; HU Shangying; HUANG Hai; ZHANG Youhua
(Qinzhou Key Laboratory of Food Flavor Analysis and Control(Beibu Gulf University),Qinzhou,Guangxi 535000)
Keywords:
Heritiera littoralis husk; brown pigment; stability; antioxidant activity
PACS:
-
DOI:
10.11937/bfyy.20200278
Abstract:
With silver leaf tree husk were used as materials,alkaline water extraction method was used,the effect of different extraction factors on the extraction rate of brown pigment were studied from the husk of silver leaf tree,and the stability and antioxidant properties of the pigment were studied,in order to provide corresponding technical support for the development and utilization of silver leaf tree resources.The results showed that the optimal extraction conditions were as follows extraction time 2.0 hours,pH 11,extraction temperature 70 ℃,solid-liquid ratio 1∶40 g?mL-1.Research on the pigment stability showed that brown pigment exhibited poor lightfastness,H2O2,Mg2+,Na+ had a litter effect on brown pigment,while Na2SO3,Pb2+,Fe3+ and Al3+ had obvious effect on the stability of brown pigment.Research on antioxidant activity showed that brown pigment of silver leaf tree husk had strong scavenging effect on hydroxyl radical,superoxide anion free radical and DPPH radical.

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Last Update: 2021-02-19