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Journal of Experimental Biology 13,329-343 (1936)
Published by Company of Biologists 1936

The Digestive Enzymes of the Onychophora (Peripatopsis spp.)

NORMAN G. HEATLEY 1

1 Biochemical Laboratory, Cambridge

1. An investigation has been made of the digestive enzymes of Peripatopsis spp.

2. The pH of the gut varies between 6.0 and 8.2; it is usually about 7.0.

3. The salivary glands elaborate amylase, glycogenase, protease and carboxypolypeptidase.

4. The gut digestive enzymes consist of invertase, maltase, lipase, esterase, amino- and carboxypolypeptidase and dipeptidase. Gelatin is also liquefied by the gut, but at pH 3.0 only.

5. The properties of some of the individual enzymes have been examined.

Submitted on November 17, 1935






© The Company of Biologists Ltd 1936