Antioxidant activity of hydrolysate from corn glutelin by protamex

Authors

LIU Yue, College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China; Key Laboratory of Processing Agricultural Products of Province Normal University, Qiqihar, Heilongjiang 161006, China
LIU Xiaolan, College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China; Key Laboratory of Processing Agricultural Products of Province Normal University, Qiqihar, Heilongjiang 161006, China
ZHENG Xiqun, College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China; Key Laboratory of Processing Agricultural Products of Province Normal University, Qiqihar, Heilongjiang 161006, China
ZHOU Limin, College of Food and Biological Engineering, Qiqihar University, Qiqihar, Heilongjiang 161006, China; Key Laboratory of Processing Agricultural Products of Province Normal University, Qiqihar, Heilongjiang 161006, China

Abstract

The molecular weight distribution and antioxidative activities of corn glutelin hydrolysate by Protamex during hydrolysis process, corn glutelin as raw material, were investigated. The results showed that the highest antioxidant activities was exhibited at the hydrolysis time of 120 min, with molecular weight distribution among 6 511.51~307.32 Da and peptides component 94.36%. DPPH radical scavenging activity, superoxide anion scavenging activity, hydroxyl radical scavenging activity, reducing power and Fe²⁺-chelating activity of hydrolysate were 58.86%, 82.64%, 37.21%, 0.236 and 29.92%, respectively.

Publication Date

2-28-2015

First Page

141

Last Page

145

DOI

10.13652/j.issn.1003-5788.2015.01.033

Recommended Citation

Yue, LIU; Xiaolan, LIU; Xiqun, ZHENG; and Limin, ZHOU (2015) "Antioxidant activity of hydrolysate from corn glutelin by protamex," Food and Machinery: Vol. 31: Iss. 1, Article 33.
DOI: 10.13652/j.issn.1003-5788.2015.01.033
Available at: https://www.ifoodmm.cn/journal/vol31/iss1/33

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