The rhizome is round shape, gnarled and continuously arranged. It is always the same size. It consists of many rhizomes and succulent. The skin of the rhizome is light brown to dark brown. It may find the mark on the surface of the rhizome as the area that will germinate the new tree. The inner flesh of the rhizome is pale purple, dark purple to black purple. The rhizome has a unique scent and has a slightly bitter taste., Black galingale with good quality must be dark purple to black. Black galingale is a plant like shade.
• It is used as an elixir. It helps to slow down aging and be valued of invulnerable property.
• Helps to nourish a woman’s skin to be bright and healthy. (rhizome)
Reference : https://medthai.com/กระชายดำ/