ArticleBiotechnology letters2025
Affinity chromatography studies for mespilus germanica L. polyphenol oxidase.
Article in Biotechnology letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Polyphenol oxidase (PPO) enzymes perform enzymatic browning reactions by hydroxylation of monophenols to o-diphenols and oxidation of o-diphenols to o-quinones called phenolic substances in foods. Medlar fruit (Mespilus germanica L.) was used as an enzyme source which is a rich antioxidant and antiviral properties as well as its commercial value in food industry. PPO enzyme was partially purified using the homogenization step and ammonium sulfate precipitation 0-80%, respectively. Characterization studies were applied to determine the optimum substrate, buffer concentration, pH, and temperature for catechol as 0.1 M, pH: 6.8, and 15 ˚C, respectively. V
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