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高压加工对叶绿素a影响的初步研究

High Pressure Affects on Chlorophyll a in Model System
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摘要 主要研究了高压加工对模拟体系中叶绿素a的影响,结果表明:有机溶液体系中高压对叶绿素a无影响.在pH值稳定的体系中,高压加工可以提高叶绿素a在670nm波长的光吸收.温度、压力及作用时间等参数对在Tris缓冲液(pH8)中叶绿素a的光吸收均有影响,发现在600MPa,处理2h条件下,随温度的升高叶绿素a在670nm的吸收值的提高率不断的提高;在70℃处理2h条件下,叶绿素a在670nm的吸收值的提高率,随压力升高而升高.
出处 《中国食品学报》 EI CAS CSCD 2003年第z1期307-310,共4页 Journal of Chinese Institute Of Food Science and Technology
关键词 高压 叶绿素A
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参考文献11

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