Accumulation and trends in distribution of three triterpenoids in various parts of Achyranthes coynei determined using RP-UFLC analysis

ABSTRACT

Background: Achyranthes coynei Sant. (Family: Amaranthaceae) is a rare endemic medicinal plant used by local traditional practitioners to treat various diseases. The plant has been reported for promising antibacterial and antioxidant activities. However, the plant is not explored for its phytocompounds, especially triterpenoids. Objective: To study the accumulation and trends in distribution of triterpenoids: betulinic, oleanolic and ursolic acids (BA, OA and UA) in leaf, stem, root and inflorescence of A. coynei. Materials and Methods: Extraction was achieved using refluxing and reversed phase‑ultra flow liquid chromatographic (RP‑UFLC) technique was employed for determination. Separation of triterpenoids was achieved on a Hibar 250-4.6 mm, 5 µ, Lichrospher 100, C18e column using methanol and water (90:10) as mobile phase (pH adjusted to 5.0 using GAA) in an isocratic mode. Results: Oleanolic acid was higher in leaf (0.172 ± 0.009%) followed by stem (0.035 ± 0.002%) and root (0.028 ± 0.001%). Ursolic acid was accounted to be highest in the inflorescence (0.099 ± 0.005%). The contents of BA and UA were lower than OA in leaf and stem while it was remained undetected in roots of A. coynei. Conclusion: The triterpenoids: BA, OA and UA were detected, quantified and reported for the first time from A. coynei. In the present study leaves were found to be the major source of BA and OA, whereas inflorescence was for UA.

KEYWORDS

• Achyranthes coynei
• betulinic acid
• oleanolic acid
• RP‑UFLC
• triterpenoids
• ursolic acid

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• DOI10.4103/0973-1296.141761Copy

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