Black
ginger, plant name Xiaohua, is a unique plant, mainly
produced in Thailand and Southeast Asia. It looks like
ginger, and the inside is purple when cut. It is
currently used as a raw material for dietary
supplements in Southeast Asia, especially Thailand. .
Black ginger contains up to *1 kinds of natural
flavonoids, which are a strong antioxidant. 'Black
ginger extract' is commonly known as 'black turmeric'
in Japan, and its signature components are total
flavonoids and 5,*-dimethylflavone.
