Constituents of high altitude Himalayan herbs :<span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";color:#1E1E1E;mso-ansi-language:EN-IN; mso-fareast-language:EN-IN;mso-bidi-language:HI;mso-bidi-font-weight:bold" lang="EN-IN"> <span style="font-size:14.0pt;line-height:115%;font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";color:#0E0E0E;mso-ansi-language:EN-IN; mso-fareast-language:EN-IN;mso-bidi-language:HI;mso-bidi-font-weight:bold" lang="EN-IN">Part XI-Xylitol and lignan from <i>Bupleurum tenue</i></span></span>

448-450A <span style="font-size:14.0pt;line-height:115%; font-family:HiddenHorzOCR;mso-hansi-font-family:" times="" new="" roman";mso-bidi-font-family:="" hiddenhorzocr;color:#0e0e0e;mso-ansi-language:en-in;mso-fareast-language:en-in;="" mso-bidi-language:hi"="" lang="EN-IN">new <span style="font-size:14.0pt; line-height:115%;font-family:" times="" new="" roman";mso-fareast-font-family:"times="" roman";="" color:#0e0e0e;mso-ansi-language:en-in;mso-fareast-language:en-in;mso-bidi-language:="" hi"="" lang="EN-IN">lignan β-(trans-3',4'-methylenedioxybenzylidene)-α-(3,4-dimethoxybenzyl)-γ-butyrolactone <span style="font-size:14.0pt;line-height:115%;font-family: " times="" new="" roman";mso-fareast-font-family:"times="" roman";color:#0e0e0e;="" mso-ansi-language:en-in;mso-fareast-language:en-in;mso-bidi-language:hi"="" lang="EN-IN">2 along with α-(trans-3', 4' methylenedioxybenzylidene)-β-(3,4-dimethoxybenzyl)-γ-butyrolactone, psoralin and xylitol have been isolated from the non polar and polar fractions of the alcoholic extract of Bupleurum tenue and identified by UV,IR 1<span style="font-size:14.0pt;line-height:115%;font-family:Arial; mso-fareast-font-family:" times="" new="" roman";color:#363636;mso-ansi-language:en-in;="" mso-fareast-language:en-in;mso-bidi-language:hi"="" lang="EN-IN">HNMR 13CNMR, DEPT and mass spectral methods.</span