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保鲜纸对“红地球”葡萄品质的影响

作  者:
屈彦伯;孙静;章程辉
单  位:
农业部规划设计研究院农产品农产品加工工程研究所海南大学机电工程学院;海南大学机电工程学院农业部规划设计研究院;农业部规划设计研究院
关键词:
红地球葡萄;保鲜纸;贮藏;品质;伤害
摘  要:
为了减少市场流通过程中"红地球"葡萄的损失率,寻找安全、有效、适用于西北"红地球"葡萄的贮藏工艺,采用质量分数不同的焦亚硫酸钠保鲜纸对"红地球"葡萄进行为期60d的贮藏试验,测定了贮藏期间葡萄的可溶性固形物、硬度、可滴定酸、腐烂率、果梗新鲜度、漂白率的变化,研究了西北市售保鲜纸对"红地球"葡萄品质的影响。结果表明:在贮藏末期60d时,经质量分数75.0%的焦亚硫酸钠保鲜纸处理后的葡萄腐烂率和漂白率最低;果实硬度较采收时降低了15.02%;可溶性固形物和可滴定酸含量分别为14.5%和0.508%,较好保持了原有的风味;能有效抑制果梗新鲜度的下降,保持葡萄的外观品质。由此可见,含75.0%的焦亚硫酸钠保鲜纸保鲜效果最优,既能延缓可溶性固形物、硬度、可滴定酸、果梗新鲜度的下降,降低果实腐烂率,又可避免漂白伤害的发生。
译  名:
Effect of Plastic Wrap on Quality of‘Red Globe'Grape
作  者:
QU Yanbo;SUN Jing;ZHANG Chenghui;Electromechanic Engineering College,Hainan University;The Ministry of Agriculture Planring Desigh and Research Insitute;
关键词:
‘Red Globe'grape;;plastic wrap;;storage;;quality;;damage
摘  要:
In order to reduce the loss of the‘Red Globe'grape during the process of market circulation,aimed at finding a safe,effective and suitable storage method of the northwest‘Red Globe'grape,meanwhile,the quality effect of‘Red Globe'grape from northwest commercial plastic wrap and assess its risk.Based on a 60-day storage test,using different effective ingredients plastic wrap to measure the changes of grapes,which including soluble solid,hardness,titratable acidity,decay rate,stems freshness and bleaching rate.The results showed that at the end of test,with plastic wrap containing 75.0% sodium metabisulfite grapes rot rate and the rate of bleaching become the lowest;compared with harvest period fruit firmness decreased at 15.02%;soluble solids and titratable acid content was seperately 14.5% and0.508%,which maintained the original flavor;effectively inhibited the decline stems freshness and maintained the appearance of quality grapes.Hence,plastic wrap containing 75.0% sodium metabisulfite made the best preservation effect,not only postponed the decline of soluble solids,hardness,titratable acidity and freshness stems,but also avoided the bleaching injury.

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