Curcuma is a perennial herb, which belongs to turmeric genus of Zingiberaceae family, and is widely cultivated in the south-eastern and south-western part of China. It is a traditional Chinese medicine, and always used as both culinary and medicinal material with the function of dispelling wind and activating blood, regulating Qi to disperse, adjusting menstruation and analgesia. As a major active component of curcuma, curcuminoid is a kind of natural pigment and widely used in the food industry with high s...