Identification of novel peptides from 3 to 10 </ce:hsp>kDa pine nut (Pinus koraiensis) meal protein, with an exploration of the relationship between their antioxidant activities and secondary structure

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Identification of novel peptides from 3 to 10 kDa pine nut (Pinus koraiensis) meal protein, with an exploration of the relationship between their antioxidant activities and secondary structure

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作者：Ruiwen Yang^a ; Xingfang Li^a ; Songyi Lin^a ; ^b ; ^{linsongyi730@163.com" class="auth_mail" title="E-mail the corresponding author} ; Zuoming Zhang^c ; ; Feng Chen^d
关键词：Pine nut meal protein ; Antioxidant peptides ; Pulsed electric field (PEF) ; Circular dichroism (CD) ; Activity-structure relationship ; Random coil
刊名：Food Chemistry
出版年：2017
出版时间：15 March 2017
年：2017
卷：219
期：Complete
页码：311-320
全文大小：2426 K

文摘

•: Peptides KWFCT and QWFCT were purified and identified from 3 to 10 kDa PNMP.
•: Lys at N-terminal easily reacts with DPPH radicals and Fe³⁺-tripyridyltriazine.
•: Ac-Gln at N-terminal is sensitive to ABTS and ABAP free radicals.
•: Activity-structure relationship was explored by PEF and CD.
•: Increase of antioxidant activities related to reduced content of random coil.

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