文献类型：会议论文

英文题名：Effects of low O-2 or high CO2 concentrations on the quality changes of chinese chestnut (Castanea mollissima Blume) during cold storage

作者：Wang, Guixi[1] Liang, Lisong[1] Yang, Xiaohu[2]

第一作者：王贵禧

通信作者：Wang, GX[1]

机构：[1]Chinese Acad Forestry, Res Inst Forestry, Beijing 100091, Peoples R China;[2]Hunan Forestry Acad, Changsha 410004, Hunan, Peoples R China

会议论文集：International Symposium on the Role of Postharvest Technology in the Globalisation of Horticulture held at the 27th International Horticultural Congress

会议日期：AUG 13-19, 2006

会议地点：Seoul, SOUTH KOREA

语种：英文

外文关键词：chestnut; low O-2 treatment; high CO2 treatment; cold storage; quality

年份：2008

摘要：Postharvest treatments including low O-2 (0-5%) or high CO2 (30-80%) concentrations were conducted on Chinese chestnut (Castanea mollissima Blume cv. Dahongpao) and the quality changes were monitored during storage at 0 degrees C. Both concentration of O-2 or CO2 and duration of treatment were the main factors affecting quality. Off-flavors were detected in chestnuts when the O-2 concentration was 2% or CO2 concentration were >50%. If treatment duration was <20 d, recovery from injury occurred completely during 120 d in cold storage. Chestnuts treated with 34% O-2, or 40% CO2 for 20 d had the least amount of rots at the end of 120 d cold storage. Low O-2 and high CO2 induced ethanol accumulation in chestnuts, but concentrations decreased during cold storage, and at the end of 120 d storage was the same as controls. The 4% O-2 or 40% CO2 treatments for 20 d retarded starch hydrolysis during 120 d at 0 degrees C. These experiments indicated that 4% O-2 or 40% CO2 for 20 d were best conditions for maintaining chestnut quality at 0 degrees C.