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当前位置: 首页 > 文章 > 外源乙烯对CA贮藏桃果实品质变化的影响 食品科学 2008,29 (1) 338-342
Position: Home > Articles > Effects of Exogenous Ethylene Treatments on Quality of " Bayuecui" Peach Fruit in CA Storage FOOD SCIENCE 2008,29 (1) 338-342

外源乙烯对CA贮藏桃果实品质变化的影响

作  者：
胡花丽;梁丽松;王贵禧;李艳菊
单  位：
北京理工大学生命科学与技术学院;中国林业科学研究院林业研究所国家林业局林木培育重点实验室
关键词：
桃果实;CA贮藏;外源乙烯;品质
摘  要：
以"八月脆"桃果实为材料,研究了不同浓度外源乙烯(10～20、50～80μl/L)处理对桃果实气调贮藏(9%～11%CO2+9%～11%O2)期间及其回温3d后品质变化的影响。结果表明,外源乙烯处理可使贮藏后期桃果实及其回温果实正常软化,而未加乙烯处理的气调和冷藏对照处理果实在贮藏45d以后出现硬度升高,失去了后熟软化能力;外源乙烯处理使贮藏后期桃果实及其回温果实膜透性增加;外源乙烯处理使贮藏中后期桃果实总糖含量增加,但回温后桃果实总糖含量没有明显升高;外源乙烯处理加快了贮藏中期桃果实可滴定酸含量的下降,但可缓解回温桃果实可滴定酸的迅速下降。外源乙烯对气调贮藏桃果实各品质指标的影响主要表现在贮藏中后期。综合考虑不同浓度外源乙烯处理对桃果实各品质指标的影响,认为50～80μl/L外源乙烯处理对贮藏中后期桃果实的后熟及维持其品质有较好的作用。
译  名：
Effects of Exogenous Ethylene Treatments on Quality of " Bayuecui" Peach Fruit in CA Storage
作  者：
HU Hua-li1,2,LIANG Li-song1,WANG Gui-xi1,*,LI Yan-ju3 (1.Key Laboratory of Forestry Silviculture, State Forestry Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China; 2.College of Forestry, Northwest A&F University, Yangling 712100, China; 3.College of Life Science and Technology, Beijing University of Science and Technology, Beijing 100081, China)
关键词：
peach fruit;controlled atmosphere storage;exogenous ethylene;quality
摘  要：
This experiment studied the effects of exogenous ethylene of different concentrations(10～20μl/L, 50～80μl/L) on the quality of" Bayuecui"peach fruit during CA storage(9%～11% CO2+9%～11% O2)and then 3 days shelf-life at 20 ℃. The results showed that the treatments with exogenous ethylene could make peach fruit softening normally, however, the firmness of peach fruit which were stored in controlled atmosphere without exogenous ethylene and in low temperature appeared harden, and lost the ability of normal softening even at 20 ℃ at the late period of storage. The treatments with exogenous ethylene promoted the increasing of membrane permeability of peach fruit during storage and shelf-life. Exogenous ethylene increased the total sugar content of peach fruit in the late period of storage, but did not affect the total sugar content obviously at 20 ℃ for 3 days. The treatments of exogenous ethylene accelerated the decreasing of titratable acids content in the middle stage of storage, while slowed down the rapid decreasing of titratable acid content during the shelf-life. The above results indicated that the effects of exogenous ethylene on the quality of peach fruit stored in controlled atmosphere manifested in the middle and late period of storage. Considering the comprehensive effects of different ethylene concentrations on all quality of peach fruit, we believed the treatment with 50～80μl/L exogenous ethylene has better effection.

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