AMPHIBIOLOGICAL NOTES I OBSERVATIONS ON SOME AMPHIBIANS OF THE VALLEY OF MEXICO
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Instituto de Salubridad y Enfermedades Tropicales, CD MEXICO, DF, MEX
Abstract
The isolation and detn of the structural formula of the red pigment of the "flor de manita" was described From 950 g of defatted dry powder (1000 blossoms) a glycoside was obtained (930 mg) In the filtrate D-glucose and gallic acid was identified Fr