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The waste of Norway lobster (Nephrops norvegicus also known as Dublin Bay prawn and scampi) constitutes 75-80% of the whole animal by weight. This includes the hepatopancreas which is a good source of hyaluronoglucosidase (EC 3.2.1.35), commonly referred to as hyaluronidase. This enzyme was partially purified by acetone fractionation, ion-exchange column chromatography on a Type-I polystyrene-based...
The effects of various experimental conditions that may affect the extraction efficiency of green tea catechins were studied using aqueous buffers. Some catechins were absorbed by certain types of filtration membranes which caused errors in their analysis. At higher pH conditions, the amounts of the major catechins (EC, EGC, ECg and EGCg) extracted from tea were decreased and the amounts of minor...
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