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Triterpene alcohol

Classical examples of anti-inflammatory Asteraceae are Arnica montana and Calendula officinalis, both used in European medicine to treat bruises and contusions. There is an expanding body of evidences to suggest that Asteraceae could be a useful source of anti-inflammatories, such as sesquiterpene lactones and/or triterpene alcohols, the latter being known to inhibit 12-O-tetra-decanoylphorbol-13-acetate (TPA)-induced inflammation in mice as efficiently as commercial indomethacine by possible inhibition of phospholipase A2 (10). [Pg.24]

Akihisa T, Ken Y, Hirotoshi O, Yoshimasa K. Triterpene alcohols from the flowers of Compositae and their anti-inflammatory effects. Phytochemistry 1996 43 1255-1260. [Pg.64]

SEGURA, M.J.R., MEYER, M.M., MATSUDA, S.P.T., Arabidopsis thaliana LUP1 converts oxidosqualene to multiple triterpene alcohols and a triterpene diol, Org. Letts., 2000, 2, 2257-2259. [Pg.91]

It is of interest that carotenoid pigments (xanthophylls), sterols (spinasterol and chondrillasterol) and a triterpene alcohol have been identified in cucurbit seed oil (31, 3 , 37L However, cucurbit oils such as that from Buffalo gourcT are amenable to refining, bleaching and deodorizing (38). [Pg.257]

Itoh, T., T. Tamura and T. Matsu-moto. Tirucalla-7,24-dienol a new triterpene alcohol from tea seed oil. Lipids 1975 11 434. [Pg.23]

CS095 Itoh, O., T. Uetsuki, T. Tamura and A. Matsumoto. Characterization of triterpene alcohols of seed oils from some species of Theaaceae, Phytolac-caceae and Sapotaceae. Lipids 1980 ... [Pg.25]

Nishibe, S., H. Tsukamoto, I. Agata, S. Hisada, K. Shima, and T. Takemoto. Isolation of phenolic compounds from stems of Olea europaea. Shokugaku Zasshil981 35 251-254. Tsukamoto, H., S. Hisada, and S. Nishibe. Studies on the lignans from Oleaceae plants. Proc 26th Symposium on the Chemistry of Natural Products, Kyoto, Japan 1983 26 181—188. Paganuzzi, V. Use of silver nitrate TLC in the analysis of olive oil triterpene alcohols. I. Oils obtained from various anatomical parts of the olives. Riv Ital Sostanze Grasse 1981 58(8) 285-393. [Pg.392]

Fresh ambergris is almost black, but it turns light gray and develops a pleasant odor when exposed to light and seawater over a period of time. The major components of ambergris are epicoprosterol and the odorless triterpene alcohol, ambrein [473-03-0]. [Pg.174]

Esterification with a fatty acid or with ferulic acid at C-3 of triterpene alcohols exerted almost no influence on the activity as has been observed with lupane- (264/265) and cycloartane- (66/67, 72/73) type compounds and a C-3 monohydroxy triterpenoid (264/266). However, esterification at C-3 with a fatty acid reduced the inhibitory activity of some dihydroxy triterpenoids (138/139,140 202/203, 204 230/231 232/233, 234). [Pg.57]

Soulier et al. (35) isolate eight triterpenic alcohols from sal and illipe butters besides other compounds. They separate these compounds after saponification of the fatty matter and fractionation of the unsaponifiable on an aluminium oxide column (hydrated at 5%). Two successive HPLC separations and a TLC-AgN03 permit the isolation of highly purified fractions. Through the use, among others, of the H-NMR and MS techniques, they identify nine... [Pg.313]

T Akihisa, Y Kimura, K Roy, P Ghosh, S Thakur, T Tamura. Triterpene alcohols and 3-oxo steroids of nine leguminosae seeds. Phytochemistry 35(5) 1309-1313, 1994. [Pg.320]

Matsuo Y, Suzuki M, Masuda M (1995) Enshuol, a Novel Squalene-Derived Pentacyclic Triterpene Alcohol from a New Species of the Red Algal Genus Laurencia. Chem Lett 1043... [Pg.411]

Volkman, J.K., Farrington, J.W., and Gagosian, R.B. (1987) Marine and terrigenous lipids in coastal sediments from the Peru upwelling region at 15°S sterols and triterpene alcohols. Org. Geochem. 6, 463 -77. [Pg.678]

Kasprzyk, Z. and Janiszowska, W. 1971. Triterpenic alcohols from shoots of Helianthus annuus. Phytochemistry 10, 1946-1947... [Pg.134]

Three other GC analyses now used in authentication, largely for olive and other oils which should not be refined or solvent extracted, are the determination of waxes, aliphatic alcohols, triterpene alcohols (uvaol and erythrodiol), and stigmastadiene and other sterol-dehydration products (EEC, 1991). These analyses are used at present not to detect adulteration with other oils, but with solvent-extracted or refined oils. However, it is possible that, with solvent-extracted oils, wax, aliphatic alcohol and terpene alcohol compositions, could prove useful in differentiating or detecting different oils. [Pg.6]

Ntsorankoua, H., Artaud, J. and Gueree, M. (1994) Triterpene alcohols in virgin olive oil and refined olive pomace oil. Ann. Falsif. Exp. Chim Toxicol., 87, 91—107. [Pg.23]

The method applied consists in a prior, basic hydrolysis (saponification) of the oil sample, followed by thin layer chromatography (TLC) fractionation of the classes of compounds, namely hydrocarbons, tocopherols, long-chain aliphatic alcohols, triterpenic alcohols, methyl sterols, sterols and triterpenic dialcohols. This procedure loses all information about the combination of polycyclic triter-penes with fatty acids. [Pg.55]

The structures of two important sterols, the desmethylsterol fi-sitostcrol (I) and the triterpene alcohol a-amyrin (II), are shown in Figure 3.1. [Pg.79]

The sterols present in cocoa butter make up about 0.3 to 0.4% of the oil and, as in other oils, they exist as free sterols, esters with fatty acids, and as glucosides and acylated sterol glucosides. Sterol determinations are normally carried out on the saponified material after isolation of the sterol fraction by TLC, although recovery from the TLC plate is lower than can be achieved by the use of HPLC, which also gives improved separation of the desmethylsterols and triterpene alcohols. Gas chromatography can be performed on the non-derivatized sterols provided the column is in good condition but acetylation (which can precede TLC) or silylation gives more consistently reliable resolution and peak shape. [Pg.79]

Much of the sterol component of shea butter is present as esters of cinnamic acid, which are less readily saponified than esters with glycerol (Peers, 1977) published data for this fat might therefore underestimate the hue value. Surprisingly measurement of cinnamic acid has not been used to test for the presence of shea butter in mixtures. Triterpene alcohols similar to those found in shea also occur in sal fat. Homberg and Bielefeld (1982) showed the presence of triterpene alcohols in illipe and sal fats and in commercial CBEs, and their analysis was proposed as a qualitative measure to detect cocoa butter adulteration. [Pg.80]

The presence of another triterpene alcohol, taraxasterol, has been reported in shea (Itoh et al, 1979 Dencausse, 1995), and also in illipe and sal fat (Soulier et al, 1990). These relatively minor sterols have been little studied or reported and should be included in the analysis of sterolic fractions of confectionery fats. [Pg.80]

Reaction of shea triterpene alcohols with acetic anhydride and sulphuric acid to produce coloured products (Fitelson s reaction) was the basis of a sensitive early test for the presence of shea butter in cocoa butter (Fincke, 1975). Analysis of the triterpene fraction of a commercial cocoa butter by TLC fractionation followed by GC (Fincke, 1976), or argentation TLC followed by GC (Gegiou and Staphylakis, 1985), have been shown to have potential for detecting CBEs in chocolate based on the difference in levels of P-amyrin, butyrospermol and... [Pg.80]


See other pages where Triterpene alcohol is mentioned: [Pg.404]    [Pg.24]    [Pg.211]    [Pg.496]    [Pg.358]    [Pg.173]    [Pg.364]    [Pg.391]    [Pg.394]    [Pg.43]    [Pg.44]    [Pg.57]    [Pg.182]    [Pg.305]    [Pg.313]    [Pg.315]    [Pg.316]    [Pg.316]    [Pg.320]    [Pg.25]    [Pg.291]    [Pg.78]    [Pg.80]    [Pg.81]    [Pg.81]   
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See also in sourсe #XX -- [ Pg.254 ]

See also in sourсe #XX -- [ Pg.116 ]

See also in sourсe #XX -- [ Pg.170 , Pg.188 ]




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