Chemical constituents from roots of Peucedanum praeruptorum (V) / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents in roots of Peucedanum praeruptorum from Henan.</p><p><b>METHOD</b>The constituents were isolated by column chromatography on silica gel and ODS, and identified by NMR, MS spectroscopic methods.</p><p><b>RESULT</b>Six compounds, Pd-I b(1), marmesinsin (2), rutarin (3), isorutarin (4), 4H-1-benzopyran-4-one, 5-hydroxy-6-methoxy-2-phenyl-7-O-alpha-D-glucuronyl methyl ester (5), 4H-1-benzopyran-4-one, 5-hydroxy-6-methoxy-2-phenyl-7-O-alpha-D-glucuronyl acid (6) were isolated and identified.</p><p><b>CONCLUSION</b>Compound 5 was a new compound, compounds 5 and 6 were isolated from Peucedanum plant for the first time.</p>

Studies on chemical constituents from roots of Peucedanum praeruptorum III / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents in roots of Peucedanum praeruptorum.</p><p><b>METHOD</b>The constituents were isolated by column chromatography on silica gel and ODS, and identified by spectroscopic methods.</p><p><b>RESULT</b>Seven compounds, alpha-D-glucopyranose-1-hexadecanoate (1), D-mannitol monohexadecanoate (2), adenosine (3), butyric acid (4), eleutheroside B, (5), apiosylskimmin (6), and mannitol (7) were isolated and identified.</p><p><b>CONCLUSION</b>Compounds 1-5 were isolated from this plant for the first time.</p>

Studies on chemical constituents from roots of Peucedanum praeruptorum II / 中国中药杂志

<p><b>OBJECTIVE</b>To isolate and identify the chemical constituents from the roots of Peucedantu praeruptorum.</p><p><b>METHOD</b>The constituents were isolated by column chromatography on silica gel and ODS, and identified by NMR, MS spectroscopic methods.</p><p><b>RESULT</b>Eight compounds, (-) sclerodin (1), palmitic acid (2), (+)-praeruptorin E (3), bergapten (4), imperatorin (5), 2,6-dimethyl quinoline (6), tetracosanoic acid (7), and daucosterol (8), were isolated and identified.</p><p><b>CONCLUSION</b>Compounds 1,5-7 were isolated from this plant for the first time.</p>

Studies on chemical constituents in roots of Peucedanum praeruptorum / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents in roots of Peucedanum praeruptorum.</p><p><b>METHOD</b>The constituents were isolated by column chromatography on silica gel and ODS, and identified by MS spectroscopic methods including NMR and.</p><p><b>RESULT</b>Seven compounds, acetylatractylodinol (I), tanshinone II A (II), tanshinone I (III), cis-3', 4'-diisovalerylkhellactone(IV), cis-3',4'-disenecioylkhellactone(V), (+)praeruptorin B(VI), and beta-sitosterol(V), were isolated and identified.</p><p><b>CONCLUSION</b>Compounds I, II, III, IV were isolated from this plant for the first time.</p>

Studies on quality standards of radix Angelicae dahuricae / 中国中药杂志

<p><b>OBJECTIVE</b>To work out a qualitay standard of Radix Angelicae dahuricae.</p><p><b>METHOD</b>TLC and HPLC were adopted.</p><p><b>RESULT</b>Four coumerin compounds were identified by TLC, and the contents of two compounds were determined by HPLC.</p><p><b>CONCLUSION</b>Imperatorin, isoimperatorin, byakangelicin and oxypeucedaninhydrate can be found simultaneously in Radix Angelicae dahuricae. The contents of imperatorin and isoimperitorin are not lower than 0.1% and 0.04% respectively.</p>

Studies on chemical constituents of the rhizomae of Ligusticum chuanxiong / 中国中药杂志

<p><b>OBJECTIVE</b>To study the chemical constituents of Ligusticum chuanxiong.</p><p><b>METHOD</b>The constituents were separated and purified by column chromatography with silica gel and ODS, and identified by NMR, MS spectral data.</p><p><b>RESULT</b>Eight compounds were isolated and identified as Ligustilide(I), 4,5-dihydro-3-butylphthalide(II), Z, Z'-6,6',7,3 alpha-diligustili-de(III), Z-6,8',7,3'-diligustilide(IV), Z'-3,8-dihydro-6,6'7,3' alpha-diligustilide(V), 4-hydroxy-3-butylphthalide(VI), ferulic acid(VII) and Xiongterpene(VIII).</p><p><b>CONCLUSION</b>Compound VIII is a new compound.</p>