Study on quality specification of Rhizoma et Radix Valeriana Jatamansi Influence of iridoid from Valeriana jatamansi on 5-HT and 5-HIAA in rats with irritable bowel syndrome Development and research advances of iridoids from Valeriana jatamansi and their bioactivity Studies on Central Inhibition Action of Valeriana jatamansii Jones Chemical constituents from rhizomes of Valeriana jatamansi