Adenochrome-Like Pigment of the Polyzoa bugula neritina (L)
- 31 December 1947
- journal article
- research article
- Published by Frontiers Media SA in Experimental Biology and Medicine
- Vol. 68 (3) , 531-533
- https://doi.org/10.3181/00379727-68-16542
Abstract
A water-soluble, dark purple pigment was isolated from the zooecium of the bryozoan Bugula neritina. The pigment was precipitated at pH 11 or above and pH 2 or below. It showed a color change from blue-purple at pH 2.4 to red at pH 8, and back to blue-purple at pH 11. The absorption curve showed a sharp maximum at 545 millimicrons. A close resemblance was indicated between this pigment and the adenochrome of Fox and Updegraff obtained from the bronchial hearts of the Octopus.Keywords
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