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author:

鞠红英 (鞠红英.) [1] | 陈建辉 (陈建辉.) [2] | 倪莉 (倪莉.) [3]

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CQVIP PKU CSCD

Abstract:

采用5种蛋白酶分别对鸡肝进行水解,以水解度为指标,通过单因素试验,对原料预处理方法、酶解温度、pH、酶用量(E/S)、底物浓度及酶解时间等酶解条件进行优化,确定了Alcalase、Neutrase、Protamex、Fla-vourzyme以及木瓜蛋白酶水解鸡肝的工艺条件.综合比较酶解产物的水解度、氮回收率、感官质量和胆固醇含量发现,Alcalase水解能力最强,且产物苦味较弱;而Flavourzyme所得水解产物感官质量最好,无苦味,且具有较好的鲜味;酶解产物中均不含胆固醇.优选Alcalase用于单酶水解鸡肝,通过正交实验优化确定其最佳水解条件为:温度60℃,pH值8.0,加酶量1.25%,水解时间2.5h,底物浓度7.5%.在此条件下所得酶解液水解度为52.62%,氮回收率为85.32%.

Keyword:

回收率 水解度 胆固醇 酶解 鸡肝

Community:

  • [ 1 ] 福州大学食品科学技术研究所,福建福州350108

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2010

Issue: 2

Page: 297-302

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 7

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