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壳聚糖-山竹果皮提取液复合涂膜对蓝莓的保鲜效果
引用本文:吕静祎,徐冬乐,丁思杨,孙明宇,张潆支,葛永红,陈敬鑫,李灿婴. 壳聚糖-山竹果皮提取液复合涂膜对蓝莓的保鲜效果[J]. 食品工业科技, 2021, 42(8): 295-300. DOI: 10.13386/j.issn1002-0306.2020080159
作者姓名:吕静祎  徐冬乐  丁思杨  孙明宇  张潆支  葛永红  陈敬鑫  李灿婴
作者单位:渤海大学食品科学与工程学院,辽宁省食品安全重点实验室,生鲜农产品贮藏加工及安全控制技术国家地方联合工程研究中心,辽宁锦州 121013
基金项目:国家自然科学基金青年科学基金项目(31501537);辽宁省教育厅科学研究经费项目(LJ2020012);辽宁省一流学科项目(LNSPXKBD2020319,2020305);渤海大学博士科研启动金项目(0515bs033-1)。
摘    要:以'北陆'蓝莓为试材,研究0.5%的壳聚糖(chitosan,CTS)结合1%山竹果皮提取液(mangosteen peel extracts,MPE)处理对其在低温(4±0.2)℃贮藏期间保鲜效果的影响.结果 表明,CTS处理和CTS与MPE复合处理均能够减缓蓝莓果实贮藏期间硬度、可溶性固形物(TSS)含量以及含水量...

关 键 词:蓝莓  山竹皮提取液  壳聚糖  保鲜  贮藏品质  抗氧化活性
收稿时间:2020-08-18

Effect of Chitosan-Mangosteen Peel Composite Coating on Blueberry Preservation
LV Jingyi,XU Dongle,DING Siyang,SUN Mingyu,ZHANG Yingzhi,GE Yonghong,CHEN jingxin,LI Canying. Effect of Chitosan-Mangosteen Peel Composite Coating on Blueberry Preservation[J]. Science and Technology of Food Industry, 2021, 42(8): 295-300. DOI: 10.13386/j.issn1002-0306.2020080159
Authors:LV Jingyi  XU Dongle  DING Siyang  SUN Mingyu  ZHANG Yingzhi  GE Yonghong  CHEN jingxin  LI Canying
Affiliation:National & Local Joint Engineering Research Center of Storage, Processing and Safety Control Technology for Fresh Agricultural and Aquatic Products, Food Safety Key Lab of Liaoning Province, College of Food Science and Technology, Bohai University, Jinzhou 121013, China
Abstract:The‘Northland’blueberry fruits were treated with 0.5%chitosan(chitosan,CTS)or 0.5%chitosan(chitosan,CTS)composite 1%mangosteen peel extracts(mangosteen peel extracts,MPE)and then stored at low temperature(4±0.2)℃.The physiological indexes related to storage quality and antioxidant capacity of blueberry fruit during storage were determined.The results indicated that compared with the control,CTS treatment and CTS combined with MPE treatment could slow down the decrease of firmness,soluble solids(TSS)content and water content of blueberry fruits during storage.In CTS-treated and CTS combined with MPE-treated fruits,the appearance of respiratory peak was delayed by seven days than the control.Both CTS treatment and CTS combined with MPE treatment could slow down the decreasing of vitamin C(VC)contents and total phenol contents,and at the same time,delay the increasing of malondialdehyde(MDA)contents.During the late storage period(49 d),CTS combined with MPE treatment still maintained a higher level of DPPH·and ABTS+·free radical scavenging rate,which were 8.9%and 20.3%higher than the control,respectively,thus maintaining the antioxidant capacity of blueberry fruits.Among these three treatments,CTS combined with MPE treatment was the best.In conclusion,CTS combined with MPE coating treatment could effectively maintain the storage quality and antioxidant activity of blueberry fruits,and thus delayed its ripening and senescence process.
Keywords:blueberry  mangosteen skin extracts  chitosan  preservation  storage quality  antioxidant activity
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