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Accumulation of Lignin and Malondialdehyde in Relation to Quality Changes of Button Mushrooms (Agaricus bisporus) Stored in Modified Atmosphere

文献类型： 外文期刊

作者： Jiang, Tianjia 1 ; Jahangir, Muhammad Muzammil 1 ; Wang, Qiushuang 2 ; Ying, Tiejin 1 ;

作者机构： 1.Zhejiang Univ, Dept Food Sci & Nutr, Hangzhou 310029, Zhejiang, Peoples R China

2.Guangdong Acad Agr Sci, Tea Res Inst, Guangzhou 510640, Guangdong, Peoples R China

关键词： button mushrooms;Agaricus bisporus;lignin;malondialdehyde;packaging;modified atmosphere;texture

期刊名称：FOOD SCIENCE AND TECHNOLOGY INTERNATIONAL （ 影响因子：2.023； 五年影响因子：2.24 ）

ISSN： 1082-0132

年卷期： 2010 年 16 卷 3 期

页码：

收录情况： SCI

摘要： Whole fresh button mushrooms (Agaricus bisporus) were stored in unsealed bags in two types of modified atmosphere packaging (MAP), namely, active and passive, at 4 degrees C. The packaging film was 0.04mm low-density polyethylene and the gas composition of the active MAP was 12% O(2), 2.5% CO(2) and 85.5% N(2). Firmness of Mushroom showed a positive correlation with the accumulation of lignin in the tissue. On the other hand, changes of malondialdehyde content with storage time were proportional to the evolution of browning. The button mushrooms in control treatment developed severe browning at the end of the 15-day storage, while the mushrooms of both active and passive MAP treatments browned slightly. MAP treatments could not inhibit phenylalanine ammonia lyase activity; however, it can reduce the lignification process by the inhibition of peroxidase (POD) activity and the accumulation of lignin. Correlation between the cinnamyl alcohol dehydrogenase activity and lignin accumulation was not obvious. Our results suggested that an increase in the firmness of mushrooms during senescence may be a consequence of tissue lignification, a process associated with increase in POD activity. Both active and passive MAPs were useful for the conservation of tenderness and whiteness in button mushrooms.

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