... phenol.Assay Pharmacology 1. Ginkgo parts, especially the white acid, can inhibit the growth of Mycobacterium tuberculosis ... diameter 1 to 1.8 centimeters shorter. Shell (seed coat) white, off-white to pale brown, smooth, hard edges of ... ~ 2 kinds of dot-shaped handle mark. Shell are long and flat round seeds, peel off one ... . Gas micro, sweet, slightly bitter. To shell white, plump seeds, which were good ...