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板栗贮藏过程中的生理生化变化初探 被引量:26

Physiological Studies on the Chestnut During Storage
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摘要 用阳山油栗为试验材料.在贮藏过程中,呼吸作用随着贮藏时间的延长而逐渐下降;栗果失重率总的趋势是随着贮藏时间的延长呈不断上升之势;超氧化物歧化酶(SOD)酶活性前期保持在一个比较高的水平,后期逐渐下降,而过氧化物酶(POD)、过氧化氢酶(CAT)酶活性则随着贮藏时间的延长而逐渐升高最后又下降;电导率前期较低而后期逐渐上升;低温+Ca处理的SOD及POD同工酶均比+H2O处理的多1条酶带.低温+Ca处理有利于板栗的保鲜贮藏. The physiological changes of Yangshan chestnut (Castanea mollissia Blume) during storage were studied. Respiratory rate dropped with the the. The activity of superoxide dismutase (SOD) remained at a higher level in the preliminary phase (about 60 days after storage), and thereafter dropped,whereas the activities of peroxidase (POD), catalase (CAT) increased gradually. The electrical conductivity kept at a lower level during the preliminary phase (about 60 days after storage), and then increased.
出处 《华南农业大学学报》 CAS CSCD 北大核心 1999年第4期70-74,共5页 Journal of South China Agricultural University
关键词 板栗 呼吸作用 SOD POD GAT 贮藏 yangshan chestnut respiratory rate superoxide dismutase (SOD) peroxidase (POD) catalase (CAT) storage
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