alliin [ PCSO,S-(2-propenyl)cysteine sulfoxide,S-allylcysteine sulfoxide,alliin, (L-Ala)-(R)-isomer,alliin, (L-Ala)-(S)-isomer,alliin, (L-Ala)-isomer,isoalliin ] nutritional supplement in diet; possible therapeutic use in anemia and splenic hypertrophy; structure