探索呼吸对pectin代谢的影响,通过通过平衡修饰大气包装与可调气体导体材料创建的定量呼吸系统来探索呼吸对pectin代谢的影响
Chunlong Liu1, Kun Liu1, Wenxia Wang2
1School of Public Health, School of Basic Medical Sciences, Food Safety and Health Research Center, BSL-3 Laboratory (Guangdong), Southern Medical University, Guangzhou, Guangdong Province 510640, China.
控制大气层储存减少了胡的呼吸,减轻了软化并保持了质量. 这种方法抑制了pectin的新陈代谢,提高了收获后的保质期.
科学领域:
- 植物生理学 植物生理学
- 收获后的生物学
- 食品科学 食品科学 食品科学
背景情况:
- 的新陈代谢对于收获后的胡软化和质量损失至关重要.
- 呼吸抑制对pectin代谢的定量影响需要进一步探索.
研究的目的:
- 调查控制大气储存对胡呼吸和pectin代谢的影响.
- 为了确定呼吸抑制与水果纹理,质量和果真素组成之间的关系.
主要方法:
- 利用含有气体导体材料的定量呼吸系统来调节储存大气.
- 测量呼吸强度,水果质感 (硬度,弹性),减肥,可溶固体和营养成分.
- 分析了点分数 (WSP,CSP),单糖化合物组成,以及点降解酶活性 (PL,β-Gal).
主要成果:
- 控制的大气储存显著降低了呼吸率 (从7.1-9.7到1.9-5.1毫克CO2·kg-1·h-1).
- 这种干预改善了水果的质地,增加了硬度和弹性,同时减少了减肥和可溶性固体.
- 的代谢被抑制,增加了WSP,减少了CSP,改变了单糖样,减少了酶活性,特别是PL和β-Gal.
结论:
- 通过控制大气储存来抑制呼吸系统有效地减轻了胡的软化和质量恶化.
- 抑制点代谢是关键的机制,将减少的呼吸与改善的收获后质量联系起来.
- 这些发现提供了通过优化收获后储存来延长胡的保质期的策略.
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