加工条件对鱼鳞明胶凝胶性能和微观结构的影响

doi:10.7506/spkx1002-6630-201323015

食品科学 ›› 2013, Vol. 34 ›› Issue (23): 67-71.doi: 10.7506/spkx1002-6630-201323015

加工条件对鱼鳞明胶凝胶性能和微观结构的影响

满泽洲1，涂宗财1,2,*，王辉1，沙小梅1，黄小琴2，黄涛1，李德俊1

1.南昌大学食品科学与技术国家重点实验室，江西南昌 330047；
2. 江西师范大学功能有机小分子教育部重点实验室，江西南昌 330022

收稿日期:2013-07-19 修回日期:2013-10-30 出版日期:2013-12-15 发布日期:2014-01-03
通讯作者: 涂宗财 E-mail:tuzc_mail@aliyun.com
基金资助:
国家“863”计划项目(2011AA100803)；江西省教育厅2012年度科技项目(GJJ12018)；江西省科技支撑计划项目(20122BBF60060)

Effects of Processing Conditions on Gel Performance and Microstructure of Fish Scale Gelatin

MAN Ze-zhou1，TU Zong-cai1,2,*，WANG Hui1，SHA Xiao-mei1，HUANG Xiao-qin2，HUANG Tao1，LI De-jun1

1.State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China；
2. Key Laboratory of Functional Small Organic Molecule, Ministry of Education, Jiangxi Normal University, Nanchang 330022, China

Received:2013-07-19 Revised:2013-10-30 Online:2013-12-15 Published:2014-01-03
Contact: Zong-cai TU E-mail:tuzc_mail@aliyun.com

摘要/Abstract

摘要：

研究pH值、无机盐、热处理温度和时间对鱼鳞明胶凝胶强度和胶融温度的影响，并对其表观结构进行研究。结果表明：鱼鳞明胶的凝胶强度和胶融温度随pH值的升高呈先增大后减小的趋势，pH 9时达到最大，此时其形貌为光滑平整的网络结构；不同的盐对鱼鳞明胶的凝胶性能产生不同影响，NaCl和MgCl2可降低其凝胶强度和胶融温度，加入(NH4)2SO4后，其胶融温度最高，而加入NaH2PO4后，其凝胶强度最大；加热温度和时间对鱼鳞明胶的凝胶性能也有一定的影响，60℃时凝胶强度最大，但是随着加热时间的延长，凝胶性能逐渐降低。

关键词: 鱼鳞明胶, 凝胶强度, 胶融温度, 微观结构

Abstract:

In this study, the effects of pH, inorganic salts, heating temperature and heating time on the gel strength and
melting temperature of fish scale gelatin were examined. The changes in its microstructure were also monitored. The results
indicated that the gel strength and melting temperature were increased at first and then decreased with increasing pH. When
pH value was 9, the gelatin had a smooth network structure and acquired the best gel performance. Different salts had
different influences on its gel properties; NaCl and MgCl2 reduced its gel strength and melting temperature while the addition
of (NH4)2SO4 led to the highest melting temperature and NaH2PO4 induced the highest gel strength. Heating temperature and
time also had some influences on the gel performance. The gel strength was the highest when heating temperature was 60 ℃,
and the gel performance was decreased along with increasing the heating time.

Key words: fish scale gelatin, gel strength, melting temperature, microstructure

中图分类号:

TS254.1

满泽洲1，涂宗财1,2,*，王辉1，沙小梅1，黄小琴2，黄涛1，李德俊1. 加工条件对鱼鳞明胶凝胶性能和微观结构的影响[J]. 食品科学, 2013, 34(23): 67-71.

MAN Ze-zhou1，TU Zong-cai1,2,*，WANG Hui1，SHA Xiao-mei1，HUANG Xiao-qin2，HUANG Tao1，LI De-jun1. Effects of Processing Conditions on Gel Performance and Microstructure of Fish Scale Gelatin[J]. FOOD SCIENCE, 2013, 34(23): 67-71.

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加工条件对鱼鳞明胶凝胶性能和微观结构的影响

Effects of Processing Conditions on Gel Performance and Microstructure of Fish Scale Gelatin

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