Cambodia (gum resin) (Garcinia hanburii) H. Guttiferae.The microscope reveals little that is characteristic. Fragments of vegetable tissue are sparingly present. There is no starch present. The emulsified particles resemble bacteria and show active Brownian movement.
Source: Schneider, A. (1921) The Microanalysis of Powdered Vegetable Drugs, 2nd ed. [1]
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