Study on correlations between total saponins content in rhizome or mycorrhizal infection rate of Pairs polyphylla var. yunnanensis and soil factors Determination of phenols and triterpenoid saponins in stems of Sargentodoxa cuneata Optimization of extracting condition for Morina nepalensis by uniform design Amic solution hydrolysis for improving content of astragaloside Ⅳ in extract of Radix Astragali Study on purification of total saponins in Picria fel-terrae with D101 macroporous resin Effect of TSPG on recoverable ability from cryopreservation damage of human bone marrow hematopoietic stem cells Effects of different extracting methods ontotal saponins extraction efficacy from Smilax china Purification technology of total saponins in Panax notoginseng with macroporous resin and their quality analysis Accumulation of main ginsenoside components in somatic embryogenesis and plantlet regeneration of Panax notoginseng Simultaneous determination of eight saponins in alkali hydrolysate of total saponins from Pulsatilla chinensis by HPLC-ELSD