• In stereochemistry, an epimer is one of a pair of diastereomers. The two epimers have opposite configuration at only one stereogenic center out of at...
    5 KB (418 words) - 21:38, 25 November 2023
  • Thumbnail for Psicose
    (C6H12O6), also known as D-allulose, or simply allulose, is a low-calorie epimer of the monosaccharide sugar fructose, used by some major commercial food...
    20 KB (2,012 words) - 07:48, 7 August 2024
  • Thumbnail for Ergine
    woodrose and morning glories have been linked to ergine and/or isoergine, its epimer, as it is an alkaloid present in the seeds. Ergine has been found in high...
    23 KB (2,202 words) - 21:23, 24 May 2024
  • Thumbnail for Xanthan gum
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    15 KB (1,694 words) - 07:08, 14 July 2024
  • Thumbnail for Menthol
    (peppermint). Japanese menthol also contains a small percentage of the 1-epimer neomenthol.[citation needed] The biosynthesis of menthol has been investigated...
    31 KB (2,865 words) - 19:00, 14 August 2024
  • Thumbnail for Mannose
    a sugar monomer of the aldohexose series of carbohydrates. It is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the...
    17 KB (1,674 words) - 20:37, 17 August 2024
  • Thumbnail for Polysaccharide
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    34 KB (3,912 words) - 14:16, 13 July 2024
  • Thumbnail for Β-Zearalenol
    lactone group related to mycoestrogens found in Fusarium spp. It is the β epimer of α-zearalenol and along with α-zearalenol is a major metabolite of zearalenone...
    3 KB (193 words) - 21:20, 15 September 2023
  • Thumbnail for Amygdalin
    center isomerizes; the (S)-epimer is called neoamygdalin. Although the synthesized version of amygdalin is the (R)-epimer, the stereogenic center attached...
    33 KB (3,284 words) - 06:42, 17 August 2024
  • Thumbnail for Androstenedione
    and epitestosterone. In sheep, the molecule is transformed into the 17-epimer. Androstenedione is converted into different metabolites in invertebrates...
    19 KB (1,899 words) - 15:35, 24 January 2024
  • Thumbnail for Sugar
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    104 KB (10,618 words) - 20:16, 17 August 2024
  • Thumbnail for Progestogen
    potency as progesterone (34). In regard to the biological activity of the 3α epimer no data are available. Pincus G, Miyake T, Merrill AP, Longo P (November...
    16 KB (1,567 words) - 13:48, 19 June 2024
  • Thumbnail for Guluronic acid
    may be derived from gulose. l-Guluronic acid is a C-3 epimer of l-galacturonic acid and a C-5 epimer of d-mannuronic acid. Along with d-mannuronic acid,...
    3 KB (210 words) - 05:16, 5 November 2023
  • Thumbnail for Neomycin
    (NBRC 12773). Neomycin is a mixture of neomycin B (framycetin); and its epimer neomycin C, the latter component accounting for some 5–15% of the mixture...
    21 KB (2,116 words) - 14:00, 20 July 2024
  • is planar and thus achiral. More formally stated, then, an anomer is an epimer at the hemiacetal/hemiketal carbon atom in a cyclic saccharide. Anomerization...
    8 KB (883 words) - 12:19, 25 April 2024
  • Thumbnail for Α-Zearalenol
    lactone group related to mycoestrogens found in Fusarium spp. It is the α-epimer of β-zearalenol. Along with β-zearalenol, it is a major metabolite of zearalenone...
    3 KB (158 words) - 08:57, 13 December 2023
  • Thumbnail for List of sugars
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    9 KB (901 words) - 18:55, 7 June 2024
  • Thumbnail for Carbohydrate
    there is one pair of possible stereoisomers, which are enantiomers and epimers. 1, 3-dihydroxyacetone, the ketose corresponding to the aldose glyceraldehydes...
    57 KB (5,800 words) - 15:27, 2 August 2024
  • Thumbnail for Beta-glucan
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    20 KB (2,379 words) - 20:00, 24 July 2024
  • Thumbnail for Chlorogenic acid
    4-CQA) and 5-O-caffeoylquinic acid (neochlorogenic acid or 5-CQA). The epimer at position 1 has not yet been reported. Structures having more than one...
    14 KB (1,254 words) - 18:19, 13 August 2024
  • Thumbnail for Epitestosterone
    17α-testosterone or as androst-4-en-17α-ol-3-one, is an endogenous steroid and an epimer of the androgen sex hormone testosterone. It is a weak competitive antagonist...
    11 KB (1,093 words) - 18:33, 21 July 2024
  • Thumbnail for Galactose
    glucose, and about 65% as sweet as sucrose. It is an aldohexose and a C-4 epimer of glucose. A galactose molecule linked with a glucose molecule forms a...
    24 KB (2,420 words) - 04:26, 18 May 2024
  • Thumbnail for Gulose
    nor l-forms are fermentable by yeast. D-Gulose is a C-3 epimer of D-galactose and a C-5 epimer of L-mannose. Merck Index, 11th Edition, 4490 Swain, M....
    3 KB (173 words) - 18:39, 23 March 2024
  • Thumbnail for Dehydroepiandrosterone
    from the epiandrosterone skeleton. Dehydroandrosterone (DHA) is the 3α-epimer of DHEA and is also an endogenous androgen. DHEA was first isolated from...
    42 KB (3,935 words) - 04:01, 30 April 2024
  • of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    14 KB (1,907 words) - 09:34, 29 May 2023
  • Thumbnail for Talose
    mythology named Talos, but the relevance is unclear. Talose is a C-2 epimer of galactose and a C-4 epimer of mannose. D-(+)-Talose at Sigma-Aldrich v t e...
    2 KB (63 words) - 07:54, 31 October 2023
  • Thumbnail for Androsterone
    the natural form. Androsterone's 3β-isomer is epiandrosterone, and its 5β-epimer is etiocholanolone. The 3β,5β-isomer is epietiocholanolone. Androsterone...
    14 KB (1,235 words) - 15:21, 12 May 2024
  • Thumbnail for Stereoisomerism
    the configurations of some or all of the stereocenters in a compound. An epimer is a diastereoisomer that has the opposite configuration at only one of...
    16 KB (1,641 words) - 13:48, 2 August 2024
  • Thumbnail for Lactose
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    23 KB (2,538 words) - 21:26, 8 July 2024
  • Thumbnail for Glucose
    fructose (via the polyol pathway), mannose (the epimer of glucose at position 2), galactose (the epimer at position 4), fucose, various uronic acids and...
    121 KB (12,794 words) - 10:50, 6 August 2024