Common Name : Black Ginger, Gra-Chai-dam (Thai Name)
Part Used : Rhizome
Black Ginger or Black Finger-Root is an herbaceous plant grown from a rhizome. The freshly insides of the tubers may be purple or black depending on soil conditions. Originally,
Black Ginger was used by Mong tribal folk for easing muscle pains It also acts as a sexual stimulant and is
said to cure impotency, Black-ginger is known as a Thai Ginseng. amoung Thais due to its properties to induce a feeling of well being, energizes and create a balanced blood pressure as well as curing dysentery and stomach pains. For men, black ginger enchances the relaxation of vascular smooth muscle leading to an increase in blood circulation of male reproductive functions. For ladies, black-ginger promotes a glowing, healthy skin and cure leucorrhoea. It also helps regulate menstruation cycle, cure diabetes, reduces fat in blood vessel and promotes longevity. Researches reports the active ingredients were found two flavanone compounds : 5 - hydroxy - 7 - methoxyflavanone or pinostrobin, and 5, 7 - dimethoxy
flavanone and nine flavone compounds.