Circular Dichroic Properties of Flavan-3-ols

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منابع مشابه

Condensed tannins. 20. Chromophoric properties of flavan-4-ols, flavan-3,4-diols and condensed tannins.

Brown, B. R. & MacBride, J. A. H. (1963). Chem. & Ind. p. 1037. Clark-Lewis, J. W. & Jackman, L. M. (1961). Proc. chem. Soc. p. 165. Clark-Lewis, J. W., Jackman, L. M. & Williams, L. R. (1962). J. chem. Soc. p. 3858. Clark-Lewis, J. W. & Katekar, G. F. (1962). J. chem. Soc. p. 4502. Clark-Lewis, J. W. & Mortimer, P. I. (1960). J. chem. Soc. p. 4106. Conroy, H. (1960). Advanc. org. Chem. 2, 308....

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Enantioselctive syntheses of sulfur analogues of flavan-3-Ols.

The first enantioselective syntheses of sulfur flavan-3-ol analogues 1-8 have been accomplished, whereby the oxygen atom of the pyran ring has been replaced by a sulfur atom. The key steps were: (a) Pd(0) catalyzed introduction of -S t-butyl group, (b) Sharpless enantioselective dihydroxylation of the alkene, (c) acid catalyzed ring closure to produce the thiopyran ring, and (d) removal of benz...

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Stability of cocoa antioxidants and flavan-3-ols over time.

Several recent reports have been published indicating that the antioxidant activity of olive oil and tea leaves is not stable over product shelf lives of about one year. We have measured the antioxidant activity, total polyphenols, flavan-3-ols monomers, and procyanidin levels in milk and dark chocolate, in cocoa powder, and in cocoa beans. Results show that for the cocoa products studied, anti...

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Assessment of the dietary intake of total flavan-3-ols, monomeric flavan-3-ols, proanthocyanidins and theaflavins in the European Union.

Dietary interventions with flavan-3-ols have shown beneficial effects on vascular function. The translation of these findings into the context of the health of the general public requires detailed information on habitual dietary intake. However, only limited data are currently available for European populations. Therefore, in the present study, we assessed the habitual intake of flavan-3-ol mon...

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The Effect Of Individual Milk Proteins On Bioaccessibility Of Green Tea Flavan-3-Ols

Moser, Sydney Elizabeth. M.S., Purdue University, December 2013. The Effect of Individual Milk Proteins on Stability of Green Tea Flavan-3-ols. Major Professor: Mario G. Ferruzzi. While information regarding the impact of flavan-3-ol-protein interactions on food quality attributes (flavor, texture, and physical stability) exists, insight into the potential consequence of these interactions on b...

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ژورنال

عنوان ژورنال: Journal of Chemical Research

سال: 1999

ISSN: 1747-5198,2047-6507

DOI: 10.1177/174751989902300723