<span style="font-size:19.5pt;mso-bidi-font-size:14.5pt; font-family:"Times New Roman";mso-fareast-font-family:"Times New Roman"; mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA; mso-bidi-font-weight:bold">Bacoside <span style="font-size:20.0pt; mso-bidi-font-size:15.0pt;font-family:"Times New Roman";mso-fareast-font-family: "Times New Roman";mso-ansi-language:EN-US;mso-fareast-language:EN-US; mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">A₂—A <span style="font-size:19.5pt;mso-bidi-font-size:14.5pt;font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";mso-ansi-language:EN-US;mso-fareast-language: EN-US;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">triterpenoid saponin from <i>Bacopa monniera</i></span></span></span>

Abstract

A new saponin, bacoside A_{<span style="font-size:11.0pt;mso-bidi-font-size: 6.0pt;font-family:" times="" new="" roman";mso-fareast-font-family:"times="" roman";="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">2</span>}<span style="font-size:11.0pt;mso-bidi-font-size:6.0pt;font-family:" times="" new="" roman";="" mso-fareast-font-family:"times="" roman";mso-ansi-language:en-us;mso-fareast-language:="" en-us;mso-bidi-language:ar-sa"="">, has been isolated from <i>Bacopa monniera </i>and its structure elucidated as 3β-[<i style="mso-bidi-font-style:normal">O</i>-<img src='/image/spc_char/alpha.gif' border=0>-L- arabinofuranosyl( 1→6)-<i style="mso-bidi-font-style:normal">O</i>-[<img src='/image/spc_char/alpha.gif' border=0>-L-arabinopyranosyl( 1→5)]-<i style="mso-bidi-font-style: normal">O</i>-<img src='/image/spc_char/alpha.gif' border=0>-D-glucofuranosyl) oxy]pseudojujubogenin by chemical and spectral studies.