PABA
Noun
Para-aminobenzoic acid, a member of the B-complex family of vitamins that can be synthesized by the human body from folic acid, and used primarily as an active ingredient in sunscreen, but also is necessary for some intestinal bacteria.
Usage- Uncountable
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The inhibitory action of PABA on the growth of rickettsiae was first demonstrated experimentally against murine typhus in 1942 by Snyder, Maier, and Anderson.
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Furthermore, these newer compounds are much less likely to permanently stain clothing; the older PABA formulations were famous for the yellow stain they left behind.
In 1976, Willis (63) suggested that the sensitization potential of PABA was minimal.
Noun
a metabolic acid found in yeast and liver cells; used to make dyes and drugs and sun blockers
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