Effects of Cold Shock Treatment on Softening of Postharvest Banana and Some Related Enzymes Activities

ACTA HORTICULTURAE SINICA ›› 2002, Vol. 29 ›› Issue (3): 214-217.

• 研究论文 • Previous Articles Next Articles

Effects of Cold Shock Treatment on Softening of Postharvest Banana and Some Related Enzymes Activities

Duan Xuewu¹, Pang Xuequn², Zhang Zhaoqi¹, and Ji Zuoliang¹

(¹ College of Horticulture, South China Agricultural University, Guangzhou 510642, China;　² College of Biotechnology, South China Agricultural University, Guangzhou 510642, China)

Received:1900-01-01 Revised:1900-01-01 Online:2002-06-25 Published:2002-06-25

Abstract

Abstract: The effect of cold shock treatment on softening of postharvcest‘Baxi’bananas was investigated. The results showed that the treatment of - 2-0 ℃ cold air for 2. 5 h significantly delayed fruit softening. Cold shock treatment inhibited the activities of polygalacturonase and amylase , and delayed the degradations of pectin and starch which resulted in a delay in fruit softening and a maintainance of fruit firmness. However , cold shock treatment did not affect the pectinesterase activity which decreased gradually during fruiting softening.

Key words: Banana, Cold shock treatment, Softening, Polygalacturonase, Amylase

CLC Number:

Duan Xuewu;Pang Xuequn;Zhang Zhaoqi;and Ji Zuoliang. Effects of Cold Shock Treatment on Softening of Postharvest Banana and Some Related Enzymes Activities[J]. ACTA HORTICULTURAE SINICA, 2002, 29(3): 214-217.

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Effects of Cold Shock Treatment on Softening of Postharvest Banana and Some Related Enzymes Activities

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