1961 年 81 巻 7 号 p. 996-1000
Pectin soluble in cold water (pectin-I) and that soluble in hot water (pectin-II) were isolated from the fruit rind of Citrus Unshiu MARCOVITCH. It was clarified that pectin-I has weakly bonded galactan alone and pectin-II, weakly bonded galactan and araban.