Yams as Source of Cortisone Proved in Mexican Research; YAMS PROVE SOURCE IN CORTISONE STUDY A Simpler Method Found Position Key to Process NEW SOURCE OF CORTISONE DEVELOPED
Syntex Labs, Mex City, and US subsidiary Chem Specialties rept synthesizing cortisone from wild Mex yam (dioscorea); see US demand met in 3 yrs at reasonable prices; 8 young chemists credited; co plans $2-million plant, Mex; process discussed