氢氧化钠-乳酸协同处理对贻贝壳角质层的净化作用  

Removal of cuticle on Mytilus edulis shell by sodium hydroxide-lactic acid treatment

作　　者：柯志刚 陈进宇 相兴伟 陈慧[1,2,3,4] 周绪霞 金友定[5] 戴央章 邓尚贵 周小敏 丁玉庭 刘书来 KE Zhigang;CHEN Jinyu;XIANG Xingwei;CHEN Hui;ZHOU Xuxia;JIN Youding;DAI Yangzhang;DENG Shanggui;ZHOU Xiaomin;DING Yuting;LIU Shulai(College of Food Science and Technology,Zhejiang University of Technology,Hangzhou 310014,China;Key Laboratory of Marine Fishery Resources Exploitment&Utilization of Zhejiang Province,Hangzhou 310014,China;National R&D Branch Center for Pelagic Aquatic Products Processing(Hangzhou),Hangzhou 310014,China;Collaborative Innovation Center of Seafood Deep Processing,Dalian Polytechnic University,Dalian 116034,China;Shengsi County Jingsheng Mussel Industry Development Co.Ltd.,Shengsi 316000,China;College of Food and Pharmacy,Zhejiang Ocean University,Zhoushan 316000,China;Zhejiang Xingye Group Co.Ltd.,Zhoushan 316000,China;Ninghai ZJUT Academy of Science Technology,Ningbo 315600,China)

机构地区：[1]浙江工业大学食品科学与工程学院,浙江杭州310014 [2]浙江省深蓝渔业资源高效开发利用重点实验室,浙江杭州310014 [3]国家远洋水产品加工技术研发分中心(杭州),浙江杭州310014 [4]海洋食品精深加工关键技术省部共建协同创新中心,大连工业大学,辽宁大连116034 [5]嵊泗县景晟贻贝产业发展有限公司,浙江嵊泗316000 [6]浙江海洋大学食品与药学学院,浙江舟山316000 [7]浙江兴业集团有限公司,浙江舟山316000 [8]宁海县浙工大科学技术研究院,浙江宁波315600

出　　处：《食品与发酵工业》2023年第15期208-214,共7页Food and Fermentation Industries

基　　金：国家重点研发计划项目(2020YFD0900902);宁波市公益项目(202002N3074)。

摘　　要：采用NaOH溶液协同乳酸溶液作为处理剂,以明暗度和质量损失率为指标,研究了NaOH溶液与乳酸溶液的pH和浸泡处理时间对贻贝壳表面角质层脱除作用的影响,得出了pH 13的NaOH溶液浸泡处理36 h,再经pH2乳酸溶液浸泡处理4 h为最佳净化处理条件。对净化处理后样品的扫描电镜、傅里叶变换红外光谱、电感耦合等离子体质谱等检测显示,NaOH-乳酸协同处理有效脱除了贻贝壳表面的黑色素和黏连角质的低纯CaCO_(3),及角质层吸附的Br、Zn、Pb等元素,贝壳表面钙含量从对照组的0.39%上升到37.58%,已近似达到CaCO_(3)中理论钙含量。该研究为制备高品质贻贝壳源钙补充剂提供了一定的理论参考。In this study,the Mytilus edulis shell was treated with NaOH-lactic acid.The effects of the pH and immersion time of NaOH and lactic acid solution on the removal of cuticles on Mytilus edulis shell were investigated by using the mass loss rate and the brightness of the shell powder as the indicators.It was found that the optimal treatment conditions were as follows:immersing in NaOH solution(pH 13)for 36 h,and then immersing in lactic acid solution(pH 2)for 4 h.The results of scanning electron microscope,Fourier transform infrared spectroscopy,and inductively coupled plasma mass spectrometry analysis showed that NaOH-lactic acid treatment effectively removed the melanin and the impurified CaCO_(3)adjoining with the cuticles on the shell,and also the elements adsorbed on the cuticles,such as Br,Zn,and Pb.The mass ratio of Ca of M.edulis shell surface was increased from 0.39%in control to 37.58%after NaOH-lactic acid treatment,which was approximately equal to the theoretical value in CaCO_(3).This study provides a reference for the preparation of high-quality calcium supplements from the M.edulis shell.

关 键 词：贻贝壳 黑色素 净化 钙补充剂 

分 类 号：TS254.9[轻工技术与工程—水产品加工及贮藏工程]