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| STUDIES ON DIGESTIVE ENZYMES OF PRAWN COMPARATIVE STUDIES ON THE ACTIVITIES OF DIGESTIVE ENZYMES OF CULTURED PRAWN (Penaeus orientalis Kishinouye) FOUND IN HUANGDAO ISIAND |
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| The activities of trypsin-like enzyme, pepsin and amylase were different in different digestive organs: liver>gastric>intestines. Activity of trypsin-like enzyme was about 14-60-fold higher than that of pepsin in the same tissue of juvenile and adult liver. The activity of amylase was about 500～1400-fold higher than that of cellulase. The activity of lipase was fairly low. The activities of trypsin-like enzyme, pepsin and amylase increased along with growth; but the activity of lipase did not change very much. |
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