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Ethylene Concentration and Polyphenol Oxidase Activity in Mango (Mangifera indica L.) Fruit Abscission

✍ Scribed by van Lelyveld, Louis J.; Nel, Elize

Book ID
122565832
Publisher
Elsevier
Year
1982
Weight
588 KB
Volume
107
Category
Article
ISSN
0044-328X

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Polyphenol oxidase (PPO) activity of Ðltered extract of ground mango kernel suspension (400 g litre~1) was studied spectrophotometrically at 420 nm using catechol as substrate. The enzyme was most active at pH 6Γ‰0 and 25Β‘C. Activity was reduced by 50% at pH values of 5Γ‰0 and 7Γ‰1, and also at tempera