Tob. Sci., 1968, 12-52, p. 236-240, ISSN.0082-4623
The isolation and characterization of the pectic substances from tobacco
Philip Morris, Inc., Research Center, Richmond, Virginia USA
Two types of pectinic acids-free pectinic acids and pectinic acids derived from protopectin-were isolated from tobacco lamina and midrib. The contents of both pectinic acids were always greater in the midrib than in the lamina. The lamina and midrib...