目 录摘 要.........................................................................................................................................................I英文摘要....................................................................................................................................................II1 前言..........................................................................................................................................................11.1 刺嫩芽和老山芹简介.......................................................................................................................11.1.1 刺老芽简介................................................................................................................................11.1.2 老山芹简介................................................................................................................................11.2 国内外保鲜方式研究.......................................................................................................................21.2.1 物理保鲜方式............................................................................................................................21.2.2 化学保鲜方式............................................................................................................................31.2.3 生物保鲜方式............................................................................................................................31.3 国内外保鲜剂研究...........................................................................................................................41.3.1 茶多酚........................................................................................................................................41.3.2 川陈皮素....................................................................................................................................41.3.3 羧甲基纤维素钠........................................