ZHU Xuan,TIAN Yun,SUN Haiyan,et al.Effects of Tea Polyphenols Combined With High Hydrostatic Pressure on Storage Quality of Fresh-cut Gastrodia elata Bl.[J].Northern Horticulture,2024,(20):83-90.[doi:10.11937/bfyy.20241299]
茶多酚结合超高压处理对鲜切天麻贮藏品质的影响
- Title:
- Effects of Tea Polyphenols Combined With High Hydrostatic Pressure on Storage Quality of Fresh-cut Gastrodia elata Bl.
- 文章编号:
- 1001-0009(2024)20-0083-08
- 分类号:
- S 853.75
- 文献标志码:
- A
- 摘要:
- 以汉中红天麻为试材,采用茶多酚脂质体均匀喷涂鲜切天麻,晾干后真空包装进行超高压处理,同时设置3个对照,即直接真空包装处理、喷涂茶多酚脂质体后真空包装处理和真空包装结合超高压处理,每隔7 d测定其失重率、腐烂指数、水分、微观结构、过氧化物酶(POD)活性、多酚氧化酶(PPO)活性和丙二醛(MDA)含量7个生理指标,研究了茶多酚结合超高压处理对鲜切天麻贮藏期间品质的影响,以期为鲜切天麻贮藏保鲜提供参考依据。结果表明:42 d时,茶多酚结合超高压处理失重率为0.48%、腐烂指数为0.86、PPO活性为1 U·g-1,MDA含量为0.69 μmol·L-1,均低于直接真空包装处理,且在42 d时其POD活性显著低于0 d,微观结构组织致密,褐变点少,保鲜效果最佳。因此,茶多酚结合超高压处理可用于鲜切天麻片贮藏保鲜。
- Abstract:
- Taking Hanzhong Red Gastrodia elata Bl. as the experimental material,fresh cut Gastrodia elata Bl. was uniformly sprayed with tea polyphenol liposomes,after drying,it was vacuum packaged and subjected to ultra-high pressure treatment,three control groups were also set up,namely the direct vacuum packaging group,the vacuum packaging group after spraying tea polyphenol liposomes,and the vacuum packaging combined with ultra-high pressure group,seven physiological indicators,included weight loss rate,decay index,water content,microstructure,peroxidase (POD) activity,polyphenol oxidase (PPO) activity,and MDA content,were measured every 7 days.The effect of tea polyphenols combined with ultrahigh-pressure treatment on the quality of freshly cut Gastrodia elata Bl. during storage was studied,in order to provide reference for the preservation of fresh cut Gastrodia elata Bl. during storage.The results showed that at 42 days,the weight loss rate of the tea polyphenol combined with ultra-high pressure treatment group was 0.48%,the decay index was 0.86,the PPO activity was 1 U·g-1,and the MDA content was 0.69 μmol·L-1 ,they were lower than that of the direct vacuum packaging group,and its POD activity was significantly lower than 0 days at 42 days.The microstructure was dense,with fewer browning points,and the best preservation effect.Therefore,the combination of tea polyphenols and ultra-high pressure treatment could be used for the storage and preservation of fresh cut Gastrodia elata Bl.slices.
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备注/Memo
第一作者简介:朱旋(1998-),女,硕士研究生,研究方向为农产品贮藏保鲜加工。E-mail:1935392202@qq.com.责任作者:孙海燕(1979-),女,博士,副教授,现主要从事食品贮藏加工与功能营养等研究工作。E-mail:diyson2008@163.com.基金项目:陕西理工大学人才启动资助项目(SLGRCQD2029);校企合作资助项目(2023);陕西省科技厅资助项目(22JM-137)。收稿日期:2024-03-28