摘要
为了获得卡拉胶延长鱼腥草货架期的生理机制,分析了卡拉胶处理后的鱼腥草在1℃下的储藏过程中的重量损失率、腐烂程度、食用品质、褐变程度、顶空气体成分、硬度、总的可溶性固体含量、可滴定酸、Vc含量、多酚氧化酶活性、嗜温菌菌落数、酵母菌和霉菌菌落数的变化。结果表明:卡拉胶减缓了鱼腥草重量损失率、腐烂程度、多酚氧化酶活性、嗜温菌菌落数、酵母菌和霉菌菌落数的增加,减缓了食用品质、呼吸速率、总的可溶性固体含量、可滴定酸和Vc含量的下降。和对照样品相比,经2.0%的卡拉胶水溶液处理30min后的鱼腥草,货架期能延长6天。
Extending shelf-life of Houttuynia cordata by carrageenan was investigated.Weight loss rate,decay degree,eating quality,browning degree,headspace composition,1texture,total soluble solids concentration,titratable acid,vitamin c concentration,polyphenol oxidase activity,mesophile colony count and yeast and mold colony count were analyzed.The results showed that carrageenan inhibited augment of weight loss rate,decay degree and polyphenol oxidase activity.Carrageenan inhibited declining of eating quality,respiration,total soluble solids concentration,titratable acid and vitamin c concentration.2.0%carrageenan water solution could prolong shelf-life of Houttuynia cordata for 6 days,compared to the control sample.
作者
肖永谦
刘思伟
张英
刘洋
邓艳
穆丽茹
倪明
夏险
李煜林
XIAO Yong-qian;LIU Si-wei;ZHANG Ying;LIU Yang;DENG Yan;MU Li-ru;NI Ming;XIA Xian;LI Yu-lin(Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization(Hubei Normal University),Huangshi 435002,China;Hubei Engineering Research Center of Typical Wild Vegetables Breeding and Comprehensive Utilization Technology(Hubei Normal University),Huangshi 435002,China)
出处
《湖北师范大学学报（自然科学版）》
2021年第4期38-44,共7页
Journal of Hubei Normal University：Natural Science
基金
食用野生植物保育与利用湖北省重点实验室开放基金(EWPL201903)
湖北省大学生创新创业训练计划项目(202010513023)
湖北师范大学农产品加工创新团队(T201907)。
关键词
鱼腥草
货架期
卡拉胶
生理机制
houttuynia cordata
shelf-life
carrageenan
physiological mechanism
