cytellin and lignoceric-acid

To study the chemical constituents of Salsola collina.. The compounds were isolated by column chromatography, and their structures were identified by physical and chemical properties and spectral data.. Seven compounds were isolated and identified as n-lignoceric acid (1), n-dotriacontanic acid (2), beta-sitosterol (3), 5, 2'-dihydroxy-6, 7-methylenedioxy-isoflavone (4), vanillic acid (5), (-)syringaresinol 4,4'-bis-O-beta-D-glucopyranoside (6), salicylic acid (7).. The compounds of 1, 2, 4, 5 and 6 are isolated from the plant for the first time.

Topics: Antihypertensive Agents; Chromatography, Thin Layer; Disaccharides; Fatty Acids; Isoflavones; Molecular Structure; Naphthalenes; Plant Components, Aerial; Plants, Medicinal; Salsola; Sitosterols; Vanillic Acid

To study the chemical constituents from Solanum nigrum.. Compounds were isolated and purified by silica gel, Sephadex LH-20 and preparative HPLC. Their structures were identified by physicochemical properties and spectral analysis.. Six compounds were isolated and identified as (+)-pinoresinol (I), (+)-syringaresinol (II), (+)-medioresinol (III), scopoletin (IV), tetracosanoic acid (V) and beta-sitosterol (VI).. Compounds I - III are isolated from this genus for the first time, while compounds IV and V are isolated from this plant for the first time.

Topics: Anti-Inflammatory Agents; Chromatography, High Pressure Liquid; Fatty Acids; Furans; Lignans; Plants, Medicinal; Scopoletin; Sitosterols; Solanum nigrum

To study chemical constituents of Changium smyrnioides Wolff.. The chemical components were isolated and purified by silica gel column and recrystallization. The chemical structures were elucidated on the basis of physico-chemical properties and spectral data.. Ten compounds were isolated and identified as lignoceric acid (1), beta-sitosterol (2), stigmasterol (3), 5-hydroxy-8-methoxypsoralen (4), glycerylmonopalmitate (5), L-pyroglutamic acid (6), succinic acid (7), vanillic acid-4-O-beta-D-glucopyranoside (8 ), vanillic acid (9), daucosterol (10).. Compounds 1, 4, 5, 6, 8 and 9 are obtained from the plant for the first time.

Topics: Apiaceae; Fatty Acids; Hydrolyzable Tannins; Plant Roots; Plants, Medicinal; Pyrrolidonecarboxylic Acid; Sitosterols; Stigmasterol; Succinic Acid; Vanillic Acid

To study the chemical constituents of Solanum cathayanum.. Chemical constituents were isolated by chromatographic methods and identified by NMR analysis.. Five compounds were isolated and identified as lignoceric acid (I), beta-sitosterol (II), lupeol (III) 8-hydroxy-3-methoxy-5H-pyrido [2, 1-c] pyrazin-5-one (IV), ethly 2,6-dioxo-1,2,3,6-tetrahy-dropyrimidine-4-carboxylate (V).. Compound I and III are isolated from this plant for the first time. Compound IV and V are isolated from the genus of Solanum for the first time.

Topics: China; Chromatography, High Pressure Liquid; Fatty Acids; Magnetic Resonance Spectroscopy; Molecular Structure; Plants, Medicinal; Sitosterols; Solanum; Triterpenes

To study the constituents from Sophora flavescens.. Separating the constituents by means of chromatography and identifying their structures on the basis of spectral analysis.. The five compounds obtained were identified as sucrose, lignoceric acid, beta-sitosterol, sinapic acid hexadecyl ester and umbelliferon.. Sinapic acid hexadecyl ester is a new compound. These compounds were obtained from the plant for the first time.

Topics: Coumaric Acids; Fatty Acids; Plants, Medicinal; Sitosterols; Sophora; Umbelliferones