Feb. 20, 1953 999 < .0005 doxylethylamine being the only one to

NOTES

Feb. 20, 1953

999

TABLE I consistent with the fact that pyridoxylethylamine MICROBIOLOGICAL ACTIVITY OF PYRIDOXYLAMINES was less than 1 / 2 ~ as active as pyridoxamine, and

Product,“ hydrochloride of pyridoxylBenzylamine Ethylamine Methylamine Ethanolamine Isopropanolamine Histamine B-Phenylethylamine 3-phenyl propylamine 3.4- Dihydroxy-8phenylethylamine Arterenol Tryptamine Tyramine

Neurospora silophila 299 AutoFilclavede teredd 0.65 .91 0.80 .70 .44 .001 ,030

.058

.005 .050 .034

.os2

Lacfobacillus

casci~