Mechanism of the increase of polyphenol oxidase activity in pineapple fruit induced by GA3

Yuchan Zhou; X P Pan; Y L Tang

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Mechanism of the increase of polyphenol oxidase activity in pineapple fruit induced by GA3

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Mechanism of the increase of polyphenol oxidase activity in pineapple fruit induced by GA3

Yuchan Zhou, X P Pan and Y L Tang

Acta Botanica Sinica, Vol.40(3), pp.247-250

1998

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Abstract

ABA

acid phosphatase

GA3

phospholipase D

Pali

pineapple, polyphenol oxidase

No increase in polyphenol oxidase (PPO) activity was found by addition of GA3 solution in the enzyme extraction. But acid phosphatase activity was found to be increased in pineapple fruit (Ananas comosus (L.) Merr.) treated with GA3, which was mainly caused by the significant increase in inorganic phosphate (Pi) content. Phospholipase D activities decreased gradually during the period of fruit ripening but GA3 treatment slowed down these processes. On the other hand, the increase of PPO activities in fruit treated with GA3 was enhanced by the addition of ABA treatment.

Details

Title: Mechanism of the increase of polyphenol oxidase activity in pineapple fruit induced by GA3
Authors: Yuchan Zhou (Author)
X P Pan (Author)
Y L Tang (Author)
Publication details: Acta Botanica Sinica, Vol.40(3), pp.247-250
Publisher: Kexue Chubanshe
Date published: 1998
ISSN: 0577-7496
Organisation Unit: Australian Centre for Pacific Islands Research; University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99449468902621
Output Type: Journal article

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