
Baicalin in the root of Scutellaria baicalensis was analysed histochemically by means of TLC and HPLC. It was determined that the content of baicalin in phloem was 11.08%, in xylem 7.86%, in phellem 2.19% and in centric decayed part 0.815%. Thus the quality of root of Scutellaria baicalensis is believed to consist in thin phellem, high ratio of phloem to xylem and absence of centric decayed part.
Flavonoids, Quality Control, Lamiaceae, Plants, Medicinal, Plant Roots, Drugs, Chinese Herbal
Flavonoids, Quality Control, Lamiaceae, Plants, Medicinal, Plant Roots, Drugs, Chinese Herbal
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