PABA

(redirected from Paraaminobenzoic acid)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to Paraaminobenzoic acid: benzocaine, biotin, PABA, inositol

PABA

(biochemistry)
para-aminobenzoic acid
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The explanation of the effectiveness of these vegetarian diets lies in the fact that patients do not consume food containing all the potential factors which promote cell growth, in particular they do not simultaneously consume the nine essential amino acids (Valin, Isoleucin, Leucin, Lisin, Metionin, Hystidine, Tryphtophan, Phenylalanine, Treonine), nucleic acids (DNA, RNA), vitamin B12, folic acid and also paraaminobenzoic acid [PABA].
Interestingly, the patient failed to respond to sulfa drugs and penicillin but showed clinical improvement with paraaminobenzoic acid, an agent then used in the treatment of rickettsial diseases.
In addition, chemicals in externally applied substances--including colognes and after-shave lotions, soaps formulated with halogenated bacteriostatic agents and even some sunscreens, especially those containing paraaminobenzoic acid (PABA), PABA esters, cinnamates and benzophenones--can cause a photosensitive reaction.