New achievement in panax vietnamensis research

Abstract

Panax vietnamensis Ha et Grushv., an endemic Panax genus of Vietnam, is a well known Vietnamese ginseng (Ngoc Linh ginseng) rich in pharmaceutical compounds, most importantly saponin. Its cultivation takes a long time, generally 5-7 years, and needs extensive efforts to quality control in the face of environmental stresses including soil, shade, climate, pathogens and pests. In vitro techniques have been widely explored for rapid and efficient production of ginseng biomass and ginsenosides. The establishment of cell and adventitious root cultures of P. vietnamensis opens the way to commercial applications. Various physiological and biochemical parameters affecting the biomass production and ginsenoside accumulation have been investigated. These parameters are effect of various phytohormones, sucrose and activated charcoal (AC) on shoot regeneration and proliferation from callus, and adventitious and secondary root formation. The saponin analysis of calli and roots showed the presence of ginsenoside-Rg1, majonoside-R2, and ginsenoside-Rb1. These results indicated that P. vietnamensis biomass has a great potential to produce saponin as a new source for the pharmaceutical and cosmetic industry.