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??OBJECTIVE To study the chemical constituents from the roots of Rubus parvifolius. METHODS Various chromatographic techniques such as silica gel, Sephadex LH-20, and prep-HPLC column chromatography were used. RESULTS Nineteen compounds, including 12 triterpenoids were isolated from the roots of Rubus parvifolius. Based on the analysis of their spectroscopic data, the structures of these 19 compounds were identified as p-hydroxybenzoic acid(1), 4-hydroxy-3,5-dimethoxybenzoic acid(2), 3-methoxy-4-hydroxybenzoic acid(3), ??-sitosterol(4), oleanolic acid(5), ursolic acid(6), 2-oxopomolic acid(7), pomolic acid(8), p-hydroxyphenylethyl alcohol(9), psiguanin A(10), 2??-hydroxyursolic acid(11), tormentic acid(12), 2??,3??,19??,23-tetrahydroxyurs-12-en-28-oic acid(13), L-epicatechin(14), 2??,3??,19??,24- tetrahydroxyolean-12-en-28-oic acid(15), 2??,3??,19??,24-tetrahydroxyurs-12-en-28-oic acid(16), 2??,3??,19??-trihydroxyolean-12-en-23,28-dioic acid(17), suavissimoside R₁ (18), and daucosterol(19), respectively. CONCLUSION Compounds 1-3, 5, 7-10, 12, and 15-17 are isolated from the roots of R. parvifolius for the first time. Compounds 7 and 9 are isolated from the genus Rubus L. for the first time. Compounds 10 and 15-17 are isolated from the family Rosaceae for the first time.     

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??OBJECTIVE To study the chemical constituents of Noni enzyme (Morinda citrifolia L.) and their antitumor activities. METHODS Compounds were isolated by various chromatographic techniques, including silica gel, TLC, sephadex LH-20, and semi-preparative HPLC, and their structures were identified by their physicochemical properties and ¹H-NMR and ¹³C-NMR data. The in vitro antitumor activities of the isolated compounds were studied by MTT method. RESULTS Sixteen compounds were isolated from Noni enzyme. They were xylogranatinin(1), pelargonic acid(2), 1,5,15-tri-O-methylmorindol(3), sesquipinsapol B(4), (+)-syringaresinol(5), pinonesinol(6), 3-methylhexahydropyrrolopyrazine-1,4-dione(7), (2S)-3??-hydroxybutan-2-yl-2-hydroxypropanoate (8), 3-(sec-butyl)-6-methylpiperazine-2,5-dione(9), cyclo-(L-Pro-L-Leu)(10), gentisic acid(11), vomifoliol(12), scopoletin(13), 3-(2-hydroxy-4,5-dimethoxyphenyl) propanoic acid(14), medioresinol(15), hydroxychavicol(16). CONCLUSION Compounds 1-10, 12 and 14-16 are isolated from Noni enzyme for the first time. Compound 10 displays the stronger cytotoxicity against HepG2 and HeLa cells with an IC₅₀ value of 23.73, 16.55 ??g??mL^-1. Compound 5 had a certain inhibitory activity against HeLa cells with an IC₅₀ value of 47.12 ??g??mL^-1.     

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??OBJECTIVE To study the chemical constituents of the fruits of Embelia laeta. METHODS The compounds were isolated and purified by MCI,medium pressure TLC on silica gel column, ODS column chromatography, semi-preparative HPLC, and so on. The structures were elucidated on the basis of various modern spectroscopic techniques using physical, chemical properties and spectral data. RESULTS Fifteen compounds were isolated and identified as nantenine(1), oxonantenine(2), physcion(3), syringic acid(4), vanillic acid(5), stigmast-4-ene-3,6-dione(6),(+)-lyoniresinol(7), 7S,8S-threo-4,7,9,9??-tetrahydroxy-3,3??-dimethoxy-8-O-4??-neolignan(8), 1,3-dihydroxylpropyl-(9Z,12Z)-octadeca-9,12-dienate(9),(22E)-5a,8a-epidioxyergosta-6,22-dien-3b-ol(10), dihydroxyisoechinulin A(11), hydroxybenzoic acid(12), stigmasterol(13), sitosterol(14), and daucosterol(15). CONCLUSION Compounds 1, 2, and 5-13 are isolated from the genus Embelia for the first time, and compounds 1-15 are isolated from this plant for the first time.     

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??OBJECTIVE To study the chemical ethyl acetate-soluble constituents of the leaves of Callicarpa kwangtungensis Chun. METHODS The compounds were isolated and purified by column chromatography using silica gel, Sephadex LH-20, ODS and MPLC. The structures of the compounds were identified according to their physicochemical properties and spectroscopic methods. RESULTS Thirteen compounds were isolated and identified as 5,7,2??,6??-tetrahydroxyflavone(1), 2,3-dehydrosilychristin(2), silychristin A(3), dihydroquercetin(4), syringaresinol(5), medioresinol(6),(7R,8S)-3,5??-dimethoxy-4??,7-epoxy-8,3??-neolignane -5,9,9??-triol(7),(2S,3R)-methyl-7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydrobenzofuran-5-carboxylate(8), curcasinlignan B(9), vanillin(10), 19??-hydroxyursolic acid(11), 2??,3??,19??,23-tetrahydroxy-12-ene-28-oleanolic acid(12), and euscaphic acid(13). CONCLUSION All these compounds were isolated from this plant for the first time.     

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??OBJECTIVE To study the chemical constituents of the whole herb of Liparis japonica. METHODS The compounds were isolated by column chromatography on silica gel, ODS and Sephadex LH-20 columns. Their structures were identified by analysis of physical and spectroscopic data and confirmed by comparison of their spectral data with those in the literature. RESULTS Eighteen compounds were isolated and identified respectively as acortatarin A (1), 3??-hydroxy-5??,8??-epidioxyergosta-6,22-diene (2), 13-epicupressic acid (3), 3??-hydroxyolean-12-en-28-oic acid (4), betulinic acid (5), gigantol (6), (2S)-3-O-octadeca-9Z,12Z,15Z-trienoylglyceryl-O-??-D-galactopyranoside (7), linolenic acid(8), hydroxydihydrobovolide(5-hydroxyl-3,4-dimethy-5-penty-12(5H)-furanone)(9), trans-p-hydroxycinnamic acid (10), (+)-syringaresinol (11), ??-sitosterol (12), hircinol (13), nudol (14), moscatin (15), batatasin ?? (16), linoleic acid (17), and p-hydroxybenzaldehyde (18). CONCLUSION We obtained structurally unique spiroalkaloid with morphine structure from the genus Liparis. Compounds 2-11 are isolated for the first time from this genus for the first time.     

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??OBJECTIVE To study the chemical constituents of the fruits of Akebiae quinata. METHODS Various column chromatography techniques including silica gel, Sephadex LH-20, and macroporous adsorption resin column chromatography were used for fractionization and purification. The structures were identified on the basis of their physicochemical and spectroscopic evidence. RESULTS Fifteen compounds were obtained, and their structures were identified as geniposidic acid(1), 10-O-acetylgeniposidic acid(2), vomifoliol(3), p-hydroxybenzoic acid(4), protocatechuic acid(5), caffeic acid(6), tyrosol(7), palmitic acid(8), 15-nonacosanol(9), stigmasterol(10), stigmasterol-3-O-??-D-glycopyranoside(11), ??-sitosterol(12), ??-daucosterol(13), ursolic acid(14), and oleanolic acid(15). CONCLUSION Compounds 1-7, 9 and 14 were isolated from the fruits of Akebiae quinata for the first time.     

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??OBJECTIVE To study the chemical constituents of Selaginella remotifolia Spring. METHODS Fourteen biflavonoids were isolated from S. remotifolia by polyamide, Sephadex LH-20 column chromatography and/or Pre-HPLC. RESULTS Their structures were identified by physiochemical properties, MS, and NMR as robustaflavone(1), robustaflavone-4??-methyl ether(2),(2??S)-2??, 3??-dihydrorobustaflavone-4??-methyl ether(3),(2S, 2??S)-tetrahydrorobustaflavone(4), amentoflavone(5), ametoflavone-7, 4??-dimethyl ether(6), amentoflavone-4??, 7??-dimethyl ether(7),(2??S)-2??, 3??-dihydroamentoflavone(8),(2??S)-2??, 3??-dihydroamentoflavone-4??-methyl ether(9),(2S)-2, 3-dihydroamentoflavone(10),(2S)-2, 3-dihydroamentoflavone-4??-methyl ether(11),(2S)-2, 3-dihydroamentoflavone-4??-methyl ether(12), chamaeflavone A(13), and 8-8??-bi-kaempferol(14) . CONCLUSION All compounds were isolated from this plant for the first time and compounds 13 and 14 are isolated from this genus for the first time.     

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??OBJECTIVE To investigate the chemical constituents from the stems of Lythrum salicaria L..METHODS The constituents were isolated and purified by silica gel, Sephadex LH-20 column chromatography, and TLC. The structures were identified on the basis of spectral data and physiochemical characteristics. RESULTS Twenty compounds were isolated from 70% ethanol extracts and identified as betulinic acid(1), 2??,3??,24-trihydroxy-12(13)-en-urs-28-oic acid(2), 6-O-(E)- sinapoylpoligalitol(3), feruloyl-6??-O-??-D-glucopyranoside(4), 7-oxo-??-sitosterol(5), en-tisolariciresinol(6), muramine(7), aesculetin(8), apigenin(9),(2E,6S)-2,6-dimethyl-6-O-??-D-xylpyranosyloxy-2,7-menthiafolic acid(10), quercetin3-O-(6??-caffeoyl)-??-D-galactopyranoside(11), cycloart-23-ene-3??,25-diol(12), (1??S,6??R)-8??-hydroxyabscisic acid-??-D-glucoside(13), 3??,5-dihydroxy-3,6,4??-trimethoxyl-7-O-??-D-glucopyranoside flavonoid(14), aurantiamide acetate(15), 5,6,3??,4??-tetrahydroxy-3,7-dimethoxy-flavone(16), ursolic acid(17), oleanolic acid(18), 4-O-11-methyl-oleoside-p-hydroxyphenyl-(6??-11-methyloleoside)-??-D-glucopyranoside(19), and 6-O-galloylarbutin(20). CONCLUSION Except for compounds 8 and 9, all the compounds were isolated from this plant material for the first time.
     

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??OBJECTIVE To study the chemical constituents of Erigeron annuus (L.) Pers.. METHODS The compounds were isolated and purified by Diaion HP-20, Toyopearl HW-40, Sephadex LH-20, MCI Gel CHP-20, silica gel column chromatography, and preparative HPLC, and their structures were elucidated on the basis of spectral data and physiochemical properties. RESULTS Twenty compounds were elucidated as vanillic acid(1), ferulic acid(2), 4-hydroxyacetophenone(3), dihydroconiferylalcohol(4), loliolide(5), 4-hydroxy-3-methoxyphenylprop-8-ene 4-O-??-D-xylopyraosyl-(1??6)-??-D-glucopyranoside(6), 1H-indole-3-carbaldehyde(7), 5,7-dihydroxychromone(8), pyromeconic acid(9), erigeside D(10), methyl syringate 4-O-??-D-glucopyranoside(11),(7S,8R)-urolignoside(12), homoeriodictyol(13), pinobaksin(14), chrysin(15), hispidulin(16), chryseriol(17), cyclomorusin(18), cirsimaritin(19), and naringenin(20), respectively. CONCLUSION Compounds 1-8 and 11-19 is isolated from this plant for the first time.     

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??OBJECTIVE To isolate the chemical constituents from Caulophyllum robustum and confirm their chemical structures. METHODS The chemical constituents were isolated by MCI gel, repeated silica gel chromatography, preparative liquid chromatography.and their structures were elucidated by NMR and MS etc. RESULTS The structures of compounds 1-10 were identified as echinocystic acid (1), oleanolic acid-3-O-??-D-glucopyranosyl-(1??2)-??-L-arabinopyranoside (2), hederagenin-3-O-??-D-glucopyranosyl-(1??3)-??-L-arabinopyranoside (3), hederagenin-3-O-??-D-glucopyranosyl-(1??2) [??-D-glucopyranosyl-(1??3)]-??-L-arabinopyranoside (4), 3-O-??-D-glucopyranosyl-(1??2)-??-L-arabinopyranosyl echinocystic acid-28-O-??-L-rhamnopyranosyl-(1??4)-??-D-glucopyranosyl-(1??6)-??-D-glucopyranosyl ester (5), 3-O-??-L-arabinopyranosyl hederagenin-28-O-(4-O-acetyl)-??-L-rhamnopyranosyl-(1??4)-??-D-glucopyranosyl-(1??6)-??-D-glucopyranosyl ester (6), (6R, 7E, 9R)-9-hydroxy-4, 7-megastigmadien-3-one-9-O-??-D-glucoside (7), (9R)-9-hydroxy-4, 6-megastigmadien-3-one-9-O-??-D-glucoside (8), maltose (9), and sucrose (10). CONCLUSION Compounds 1-10 are firstly isolated from the genus Caulophyllum except 5.