TLC Densitometric Determination of Dracorhodin in Dragon‘s Blood Studies on Sijuzi Tang (A Dicoction) with TLCS Separation and Purification of Monogalactosyl and Digalactosyl Diglycerides by Thin-Layer Chromatography Development of Diagnostic Microscopic and Chemical Markers of Some Euphorbia Latexes Extraction and Microemulsion Thin Layer Chromatography Analysis of Koelreuteria henryi Flavonoids THE STUDY ON THE THIN-LAYER CHROMATOGRAPHY OF FLAVONOIDES FROM BASSICA L. Centrifugal thin-layer chromatography and its application in separation and purification of medicine Composition and Distribution of Phospholipids in Hevea Latex Lipids