Herbal identification Identification of traits: Turmeric rhizome is irregular oval, cylindrical or spindle-shaped, often curved, dark yellow surface, rough, with a shrinkage texture and obvious links, and a circular branch marks and root marks. Solid quality, not easily broken, cross-section brown to yellow, horny, wax-like luster. The ring of the inner cortex is obvious, and the vascular bundles are dotted. Gas incense specific bitter and pungent. It is better to have a solid quality, golden cross section and strong aroma. Microscopic identification: rhizome cross-section: foreign 4 to 10 out of cork cells, often occurs in the cortex, sometimes seen outside the epidermis and cortical cells. The cortex is broad, with traces of vascular bundles; the inner cortex is distinct. There are 1-2 rows of cells in the perisylvian sheath; the vascular bundle is limited in external toughness, with more in the proximal perisylvian sheath and less inward. The parenchyma cells contain starch grains and brown pigments; oil cells are scattered in the parenchyma. YT-T15 YT-T15 Shenzhen Sunshine Technology Co.,Ltd , https://www.yatwinsz.com