Panax Vietnamensis - Vietnamese Ginseng
Panax Vietnamensis ( Vietnamese name : " Sâm Ngọc Linh " ) is the 20th ginseng found in the world. According to research results since 1978 by Vietnamese and international institutes and universities, Panax vietnamensis has a total of 52 kinds of saponin containing many times higher concentration than kinds of Chinese ginseng, Korean ginseng, etc. It can be said, Panax vietnamensis – Vietnamese ginseng is kind of Ginseng containing the highest Saponin concentration in the world found until the present time.
Panax vietnamensis grows only at attitudes between 1,200 and 2,100 m compared to sea level with daytime temperatures from 20°C-25°C, and nighttime temperatures from 15°C-18°C. This ginseng grows thickly in clusters under jungle leaf canopy or along wet streams on humus ground of Mount Ngọc Linh.
Panax vietnamensis is a perennial plant, growing from 40 centimetres (16 in) to 1 metre (3 ft 3 in) tall. It may be distinguished from other ginseng species by the notches on its roots. Panax vietnamensis can live very long, even over a hundred years, with very slow growth cycle. Parts used as medicines are mainly rhizomes, roots. Also, the leaves and rootlets can be also used.
Natural panax vietnamensis is in the danger of getting depleted. It is very difficult to find real purebred natural Panax Vietnamensis nowadays.