An Intern, Wei Jun, from Singapore Polytechnic has examine the chemical constituents of different types of Dang Gui at different price points to see whether they correlate to each other. It was found out that Dang Gui consists of 2 major groups of chemicals, namely Terpenes and Phthalides. While there is a weak relationship between Terpenes and the respective price points, Phthalides showed moderate correlation. Interestingly, we also found out that there are unique Terpene markers for Dang Gui at each price point.
Angelica Sinensis or Dang Gui is a perennial fragrant plant of the Apiaceae family which is indigenous to China. The stem can grow to three metres tall and has a purplish hue.
It has effects similar to Ginseng, such as increasing the energy levels. Its root is also widely used in TCM to treat gynaecological symptoms, giving rise to its reputation as ‘female Ginseng’. Dang Gui is also found to have oestrogen-like property that nourishes the uterus and helps regulate female hormones. It is one of the essential herbal items often prescribed by TCM physicians to treat pre-menstrual as well as menopausal .