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不同温度贮藏对中国樱桃软化进程中果胶及相关酶的影响
引用本文:赵胜锦, 张放. 不同温度贮藏对中国樱桃软化进程中果胶及相关酶的影响[J]. 食品工业科技, 2014, (18): 342-346. DOI: 10.13386/j.issn1002-0306.2014.18.068
作者姓名:赵胜锦  张放
作者单位:1.浙江大学果树科学研究所
基金项目:浙江省科技厅公益性技术应用研究计划项目(2012C22021)
摘    要:以商业采收期的中国樱桃果实为实验材料,测定0、4、20℃三种贮藏温度下,果实呼吸强度、果肉硬度、可溶性果胶(WSP)、原果胶(SSP)、多聚半乳糖醛酸酶(PG)和β-半乳糖苷酶(β-Gal)的变化。结果表明,0、4℃与20℃贮藏相比,可显著抑制中国樱桃的呼吸作用,降低腐烂率,延缓PG和β-Gal酶活性上升,抑制果胶的降解,保持果肉硬度,表现出较好的贮藏效果。中国樱桃在0℃贮藏下更能抑制果实腐烂,维持果实品质。 

关 键 词:中国樱桃  不同温度贮藏  果胶  多聚半乳糖醛酸酶  β-半乳糖苷酶
收稿时间:2014-01-03

Effect of different temperature storage on pectin and related enzyme activities in soften of Chinese cherry (Prunus psedoerasus Lindl.)
ZHAO Sheng-jin, ZHANG Fang. Effect of different temperature storage on pectin and related enzyme activities in soften of Chinese cherry (Prunus psedoerasus Lindl.)[J]. Science and Technology of Food Industry, 2014, (18): 342-346. DOI: 10.13386/j.issn1002-0306.2014.18.068
Authors:ZHAO Sheng-jin  ZHANG Fang
Affiliation:1.Fruit Science Institute, Zhejiang University
Abstract:Commercial harvested Chinese cherry was stored at the temperature of 0, 4℃ and 20℃, respectively.Respiration rate, flesh firmness, soluble pectin, pectin, polygalacturonase (PG) and β-galactosidase (β-Gal) were determined during storage period. The results indicated that compared with 20℃, the storage temperature at 0℃ and 4℃ could reduce respiration and decay rate, keep flesh firmness, inhibit PG and β-Gal activity and pectin degradation. With a good performance at reducing decay rate and keeping storage quality, the temperature at 0℃ was proved to be the optimal storage temperature for Chinese cherry.
Keywords:Chinese cherry  different temperature storage  pectin  polygalacturonase  β-galactosidase
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