• Natural Product Sciences
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• v.13 no.4
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• pp.317-321
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• 2007

Phytochemical investigation of the aerial parts of Lotus ornithopodioloides L. resulted in the isolation of six known compounds. The structures were determined utilizing physical, chemical, spectral methods as well as direct comparison with reference materials whenever possible. The compounds were identified as: ${\beta}$-sitosterol; the two triterpenes oleanolic and betulinic acids; the two cyanogenic glycosides lotaustralin and linamarin in addition to the flavonol diglycoside kaempferitin.

• Korean Journal of Pharmacognosy
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• v.20 no.3
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• pp.147-148
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• 1989

From the root of Rhamnella frangulioides(=Microrhamnus frangulioides), three compounds (Comp. I ; $mp\;140{\sim}142^{\circ},\;Comp.\;II\;;\;mp\;196^{\circ},\;Comp.\;III\;;\;mp\;136{\sim}138^{\circ})$ were isolated by silica gel column chromatographic purification which were identified as ${\beta}-sitosterol$, chrysophanol, 1-methyl-2-carboxymethyl-3-methoxy-4,8-dihydroxy andthraquinone, respectively by spectral analysis.

• Korean Journal of Pharmacognosy
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• v.24 no.3
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• pp.247-250
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• 1993

From the Paeoniae Radix, gallic acid methyl ester, (+)-catechin, paconiflorin, albiflorin, paeonol, ${\beta}-sitosterol$ and campesterol, benzoic acid, oleanolic acid, hederagenin and ${\beta}-sitosterol$ 3-O-glucoside were isolated and characterized by means of spectral data. Oleanolic acid and hederagenin have been isolated for the first time from the genus Paeonia.

• Natural Product Sciences
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• v.28 no.2
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• pp.62-67
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• 2022

Column chromatographic fractionation of the methanol and ethyl acetate extracts of the stem-bark of Anacardium occidentale led to the isolation of five compounds (1-5). Their structures were determined by spectroscopic means by comparing spectral data to be β-sitosterol (1), 2,4-dihydroxy acetophenone (2), 1-monolinolein (3), ethyl oleate (4) and β-sitosterol-3-O-β-D-glucopyranoside (5). These compounds were evaluated for cytotoxicity against human cancer cell lines: A549, SCOV3 and rat normal cell line NRK49f. Compounds 2-5 were for the first time isolated from A. occidentale.

• Applied Biological Chemistry
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• v.46 no.4
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• pp.376-379
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• 2003

The aerial parts of tile Garland (Chrysanthemum comnarium L.) were extracted in MeOH and solvent fractionated with EtOAc, n-BuOH and water, successively. EtOAc fractions gave three steroid compounds through application of silica gel column chromatographies. The chemical structures of the steroids were determined by the interpretation of several spectral data, including NMR and MS as $stigmast-5-en-3{\beta}-ol\;(1,\;{\beta}-sitosterol),\;stigmast-4-en-6{\beta}-ol-3-one$ (2), $stigmast-4-en-6{\alpha}-ol-3-one$ (3). Compounds 2 and 3 have been so far reported only in the aquatic plants, were isolated for the first time from the land plants.

• YAKHAK HOEJI
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• v.20 no.1
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• pp.37-40
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• 1976

${\beta}$-Sitosterol, stigmasterol, campesterol, cholestanol and a triterpenoid, ursolic acid were identified from the root of the Rubus crataegifolius B$_{UNUGE}$(Rosaceae).

• Applied Biological Chemistry
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• v.50 no.3
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• pp.233-237
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• 2007

The roots of Brassica campestris ssp rapa were extracted with 80% aqueous MeOH, and the concentrated extract was partitioned with EtOAc, n-BuOH and $H_{2}O$. From the EtOAc and n-BuOH fractions, five compounds were isolated through the repeated silica gel column chromatographies. From the result of spectroscopic data including NMR and MS, the chemical structures of the compounds were determined as palmitic acid methyl ester (1), linolenic acid methyl ester (2), linoleic acid methyl ester (3), ${\beta}-sitosterol$ (4) and daucosterol (5).

• Applied Biological Chemistry
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• v.48 no.3
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• pp.263-266
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• 2005

Cymbidium goeringii REICHB. fil was extracted with 80% MeOH and solvent-fractionated with EtOAc, n-BuOH and $H_2O$, successively. From EtOAc fraction, three sterols were isolated on repeated silica gel and ODS column chromatographies. The chemical structures were determined as ${\beta}-sitosterol$ (1), daucosterol (2) and ergosterol peroxide (3) by NMR, MS and IR, which is the first to be isolated from Cymbidium goeringii REICHB. fil.

• Journal of Applied Biological Chemistry
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• v.53 no.4
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• pp.207-211
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• 2010

The sprouts of Brassica oleracea var. gongylodes were extracted with 100% MeOH and the concentrated extract was partitioned with EtOAc, n-BuOH and $H_2O$, successively. From the EtOAc fraction, three sterols were isolated through the repeated silica gel and ODS column chromatographies. On the basis of physico-chemical and spectroscopic data including NMR, MS, and IR, the chemical structures of the sterols were determined as ${\beta}$-sitosterol (1), brassicasterol (2), and 7-ketobrassicasterol (3). Compound 1 is usually observed in plant. Compounds 2 is observed in Brassica sp., and compounds 3 have very rarely occurred in natural source including plant.

• Korean Journal of Food Science and Technology
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• v.24 no.1
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• pp.82-85
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• 1992

Sterols in mayonnaise were determined by the gas liquid chromatographic(GLC) analysis using two different columns, packed column(silicone SE30) and fused silica capillary column(CBPl). Four kinds of sterol(cholesterol, campesterol, stigmasterol and ${\beta}-sitosterol$) were detected in mayonnaise. The method using capillary column proved to be superior in rapidity, reproducerbility and separability for the determination of sterols. The ranges of concentration of egg york in mayonnaise predicted from cholesterol content using packed and capillary columns were $2.69{\sim}7.11%\;and\;2.42{\sim}6.08%$, respectively. Analyzing the composition of campesterol, stigmasterol and (${\beta}-sitosterol$ in mayonnaise, it could be known that soybean oil and cottonseed oil are commonly used for the manufacture of mayonnaise.