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High-performance liquid chromatographic separation and chiroptical properties of the enantiomers of naringenin and other flavanones.
The HPLC enantiomeric separation of naringenin, eriodictyol, hesperetin and pinocembrin was accomplished in the normal-phase mode using two polysaccharide-derived chiral stationary phases (ChiralcelExpand
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Chiral HPLC separation and CD spectra of the C-2 diastereomers of naringin in grapefruit during maturation.
Naringin is the chief flavanone glycoside of grapefruit (Citrus paradisi). It is responsible for part of the bitter taste of the fruit and can cause the inhibition of some cytochrome P450s. TheExpand
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Non-empirical assignment of the absolute configuration of (-)-naringenin, by coupling the exciton analysis of the circular dichroism spectrum and the ab initio calculation of the optical rotatory
The non-empirical assignment of the absolute configuration of (-)-naringenin, the aglycone of (-)-naringin, a flavanone glycoside abundant in the albedo of immature grapefruits and showing severalExpand
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Assessment of configurational and conformational properties of naringenin by vibrational circular dichroism.
The electronic circular dichroism (ECD) and vibrational circular dichroism (VCD) spectra of both enantiomers of naringenin (4',5,7-trihydroxyflavanone) in acetonitrile solution have been measured.Expand
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Plant polyphenols as natural drugs for the management of Down syndrome and related disorders
Polyphenols are secondary metabolites of plants largely found in fruits, vegetables, cereals and beverages, and therefore represent important constituents of the human diet. Increasing studies haveExpand
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Racemization at C-2 of naringin in pummelo (Citrus grandis) with increasing maturity determined by chiral high-performance liquid chromatography.
The relative content of (2S)- and (2R)-naringin in the albedo of pummelo during maturation in the entire season was determined by normal-phase HPLC using Chiralpak IB, a polysaccharide-derived chiralExpand
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Separation ofcis andtrans isomers of naturally occurring hydroxycinnamic acids by high-pressure liquid chromatography
SummaryThe separation of hydroxycinnamic acids has been investigated by high-pressure liquid chromatography using a micro C18 bonded phase. Irradiation oftrans-ferulic and sinapic acids readily gaveExpand
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