• 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) - 18:55, 15 March 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 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) - 19:12, 7 April 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 Polysaccharide
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    34 KB (3,822 words) - 05:07, 27 March 2024
  • 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 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) - 10:30, 5 April 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...
    16 KB (1,596 words) - 17:53, 28 November 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 (3,274 words) - 21:49, 14 February 2024
  • Thumbnail for Xanthan gum
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    15 KB (1,700 words) - 15:41, 24 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 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 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 (1,566 words) - 09:04, 13 December 2023
  • 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 (10,530 words) - 01:46, 25 April 2024
  • 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 (2,089 words) - 23:30, 13 November 2023
  • 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 Allose
    soluble in water and practically insoluble in methanol. Allose is a C-3 epimer of glucose. The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals...
    2 KB (94 words) - 04:34, 26 October 2023
  • stereoisomers where n > 2 is the number of carbons. These are also referred to as epimers which have the different arrangement of −OH and −H groups at the asymmetric...
    15 KB (2,059 words) - 14:53, 11 March 2024
  • 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 (1,232 words) - 02:50, 8 March 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 (2,408 words) - 03:11, 21 April 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...
    55 KB (5,639 words) - 19:33, 7 April 2024
  • Thumbnail for Alginic acid
    or alternating M and G-residues (MG-blocks). α-L-guluronate is the C-5 epimer of β-D-mannuronate. Alginates are refined from brown seaweeds. Throughout...
    15 KB (1,508 words) - 15:28, 26 March 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 (1,653 words) - 02:30, 8 January 2024
  • 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) - 15:34, 6 February 2024
  • Kiliani–Fischer synthesis is a mixture of two diastereomeric sugars, called epimers. For example, D-arabinose is converted to a mixture of D-glucose and D-mannose...
    7 KB (772 words) - 11:14, 24 June 2023
  • 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
  • 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) - 21:56, 28 February 2024
  • Thumbnail for Enantiomer
    Chirotechnology Chirality (physics) Diastereomer Dynamic stereochemistry Epimer Homochirality Molecular symmetry Stereochemistry Stereocenter "Enantiomer:...
    23 KB (2,578 words) - 08:24, 1 May 2024