Common Name : Blue pea, Butterfly, Un-chan (In Thai)
Part Used : Petal
Blue pea or butterfly pea is a climbing plant originating from Southeast Asia. Nowadays,
it is cultivated in all tropical areas, including Thailand. With its blue color, blue pea isused as a food coloring. This color is generated by anthocyanins, such as deacylternatin,ternatins (A1, A2, B1, B2, D1, D2), etc. In traditional medicine, the flower is used as a remedy for hair loss, due to the property of these anthocyanins. This property is effective in stimulation and strength of hair root, in promotion of hair growth, and in prevention of hair loss. In cosmetics, the blue pea extract is used as an ingredient in hair tonic products for hair loss prevention.