Browsing by Author "Nguyenthiha, Ly."

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    STUDY ACCLIMATIZED SEED SAMPLE SAPOSHNIKOVIA DIVARICATA (TURCZ) SCHISCHK IN VIETNAM
    (Indian Society for Health And Advanced Reaserch, 2023-07) Tiennghiem, Chung.; Thiluong, Hoan.; Minhtrinh, Vu.; Nguyenthiha, Ly.; Huypham, Bach.; Toannguyendang, Chuong.
    In this study, we evaluated several agronomic characteristics of S. divaricata when grown in various regions in Vietnam, including Northeast, Northwest, and Central Highlands. Among the three regions, S. divaricata grown in Northwestern Vietnam has the highest yield reaching 6.21 tons/ha, with a total active ingredient content of 0.655% (Prim-O-glucosylcimifugin 0.383% and 5-O-methylvisamminoside 0.272%). This is followed by the Central Highlands of which S. divaricata yielded 4.12 tons/ha, with a total active ingredient content is 0.543% (Prim-O-glucosylcimifugin 0.292% and 5-O-methylvisamminoside 0.251%). The lowest yield of S. divaricata was recorded in Northeast with 3.13 tons/ha, of which a total active ingredient content was 0.394% with 0.253% for Prim-O-glucosylcimifugin and 0.141% for 5-O- methylvisamminoside. With the applied analytical conditions, HPLC - DAD chromatograms are obtained with sharp peaks of prim-O-glucosylcimifugin (tR = 7.51 min) and 5-O-methylvisamminoside (tR = 20.23 min) , balanced, clear on the background of the medicinal plants Saposhnikovia divaricata (Turcz.) Schischk. In particular, the applicable analytical conditions allow for simultaneous qualitative and quantitative analysis of both prim-O-glucosylcimifugin and 5- O-methylvisaminoside. The results of building the standard curve prim-O-glucosylcimifugin Y = (16146)X – 4020.3, R2 = 0.9992, standard curve 5-O- methylvisamminoside Y = (20490)X – 6921.8, R2 = 0.9999. The quantitative results of prim-O-glucosylcimifugin and 5-O- methylvisamminoside in all regions were slightly higher than that of the pharmacopoeias of Vietnam, China and Hong Kong with the total active ingredient content not less than 0.24%. Thus, The study concluded that Vietnam is a country that can develop medicinal plants Saposhnikovia divaricata (Turcz.) Schischk