Important substances anthocyanin classified in the flavonoid compounds It is a water-soluble natural coloring agent. and change color according to the acidic â?? alkaline conditions From blue, purple, red to orange, it has antioxidant activity that can bind to free radicals caused by UV rays and inactivate them. Properties of anthocyanin substances to increase the efficiency of the eyes, such as preventing eye deterioration from diabetes, glaucoma, cataracts. Parts used and properties Purple butterfly pea petals are called Ternathin. Used as a food coloring, it has anti-oxidant effect. Use it as a healthy drink. or mixed in cosmetics such as shampoo or cream selling wholesale price Characteristics of butterfly pea flowers grade a large-flowered 5 petals stacked in full bloom Bright colors, not pale, fresh green terminals, flowers are not crispy or easily broken. Low humidity 2-5%, no mold