Changes in Respiration，Ethylene and Biochemical Values of Soft Jackfruits During the Ripening Period

ACTA HORTICULTURAE SINICA ›› 2014, Vol. 41 ›› Issue (2): 329-334.

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Changes in Respiration，Ethylene and Biochemical Values of Soft Jackfruits During the Ripening Period

WANG Jun-ning1，Lü Qing-fang1,*，FENG Feng1，XIE Jiang-hui2，WEI Chang-bin2，LI Ying-hui1，and YE Chun-hai1,*

（1Agricultural College，Guangdong Ocean University，Zhanjiang，Guangdong 524088，China；2South Subtropical Crops Research Institute，Chinese Academy of Tropical Agricultural Sciences，Zhanjiang，Guangdong 524091，China）

Received:2013-07-18 Online:2014-02-25 Published:2014-02-25

Abstract

Abstract: A total of‘301’soft jackfruit lines stored at room temperature conditions were used to analyze the contents of respiratory rate，ethylene，starch，cellulose，pectin and total soluble sugar. The results showed that the soft jackfruit was a typical climacteric fruit，with the highest levels of ethylene and respiratory rate，respectively，within 2 and 3 days after harvest. Contents of starch，cellulose and proto-pectin in jackfruit pulp decreased rapidly within 2 days after harvest，while the contents of soluble pectin and total soluble sugar，respectively，reached maximum values at first，and then dropped off within the same period of time after harvest. Similar patterns were observed in changes in contents of starch，cellulose，pectin and total soluble sugar in fruit tendon，but the trend was relatively flat and slow. During the entire storage period，there were higher contents of starch and total soluble sugar（except for day 2），and lower contents of cellulose and pectin in jackfruit pulp than in fruit tendon. The contents of proto-pectin and total pectin were significantly higher in jackfruit pulp than in fruit tendon within 2 days after harvest，then the total pectin content was dramatically lower in jackfruit pulp than in fruit tendon.

Key words: jackfruit, soft jackfruit, respiration, ethylene, biochemical values

CLC Number:

S 667.8

WANG Jun-Ning, 吕Qing-Fang , FENG Feng, XIE Jiang-Hui, WEI Chang-Bin, LI Ying-Hui, YE Chun-Hai. Changes in Respiration，Ethylene and Biochemical Values of Soft Jackfruits During the Ripening Period[J]. ACTA HORTICULTURAE SINICA, 2014, 41(2): 329-334.

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Changes in Respiration，Ethylene and Biochemical Values of Soft Jackfruits During the Ripening Period

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