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Polyphenoloxidase from the peel of the mango fruit (Mangifera indica).

Venkaiah, B. and Patwardhan, M. V. (1977) Polyphenoloxidase from the peel of the mango fruit (Mangifera indica). Journal of Food Science and Technology (India), 14 (4). pp. 173-175.

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Polyphenoloxidase isolated from the mango fruit peel in (i) preclimacteric and (ii) climacteric stages was purified 50-fold by alcohol precipation and DEAE cellulose column. Of the 6 substrates studied the enzymes both in (i) and (ii) stages showed max. activity towards catechol and 4-methyl catechol. Cu restored the enzyme activity lost by dialysis against 1 mM sodium cyanide. Copper chelating compounds (sodium azide and sodiumdiethyl dithiocarbamate) inhibited the enzyme activity. The pH optima for enzyme activity was 5.4.

Item Type: Article
Uncontrolled Keywords: MANGOES-; polyphenoloxidases activity from mango peel; PEEL-; mango peel, polyphenoloxidases activity from; PHENOLASES-
Subjects: 600 Technology > 08 Food technology > 24 Fruits > 06 Mango
600 Technology > 08 Food technology > 16 Nutritive value > 05 Enzymes
Divisions: Fruit and Vegetable Technology
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 24 Mar 2010 06:42
Last Modified: 29 Dec 2016 11:08
URI: http://ir.cftri.com/id/eprint/4879

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