• 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 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) - 13:05, 9 September 2024
  • gallate (EGCG), a flavanol found in green tea Gallocatechin gallate (GCG), an epimer of EGCG formed in high temperature This set index page lists chemical structure...
    366 bytes (72 words) - 23:45, 25 September 2019
  • Thumbnail for Δ-7-Tetrahydrocannabinol
    tetrahydrocannabinol. The (6aR,9S,10aR)-Δ7-THC epimer is only slightly less potent than Δ9-THC itself, while the (9R) epimer is much less potent. 7,8-Dihydrocannabinol...
    2 KB (128 words) - 13:12, 11 January 2025
  • 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 (3,389 words) - 01:38, 17 December 2024
  • Thumbnail for Psicose
    D-Psicose (C6H12O6), also known as D-allulose or simply allulose, is an epimer of fructose that is used by some commercial food and beverage manufacturers...
    20 KB (2,051 words) - 20:26, 2 December 2024
  • Thumbnail for Xanthan gum
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    15 KB (1,721 words) - 18:32, 7 February 2025
  • 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...
    32 KB (3,065 words) - 08:24, 3 February 2025
  • 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 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 Polysaccharide
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    35 KB (3,956 words) - 10:13, 23 January 2025
  • Thumbnail for Mannose
    of the monomers 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 (1,745 words) - 18:09, 6 February 2025
  • 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) - 01:04, 8 October 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...
    22 KB (2,173 words) - 20:04, 2 February 2025
  • 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
  • be classified as epimers. Enantiomers are pairs of non-superposable mirror images. Each member of the pair has a distinct R. Epimers are a subcategory...
    11 KB (1,192 words) - 23:13, 28 December 2024
  • Thumbnail for Sugar
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    100 KB (10,280 words) - 12:24, 19 January 2025
  • 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...
    25 KB (2,420 words) - 14:39, 2 February 2025
  • 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...
    7 KB (804 words) - 06:57, 14 January 2025
  • 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 Alginic acid
    or alternating M and G-residues (MG-blocks). α-L-guluronate is the C-5 epimer of β-D-mannuronate.[citation needed] Alginates are refined from brown seaweeds...
    21 KB (2,221 words) - 11:00, 22 January 2025
  • 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 (1,914 words) - 01:49, 19 December 2024
  • Thumbnail for Beta-glucan
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    20 KB (2,443 words) - 16:35, 6 November 2024
  • Thumbnail for Fructooligosaccharide
    of carbohydrates General Aldose Ketose Furanose Pyranose Geometry Anomer Cyclohexane conformation Epimer Mutarotation Monosaccharides Multiple Category...
    14 KB (1,497 words) - 19:19, 29 November 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 Δ-10-Tetrahydrocannabinol
    1980s. Two epimers have been reported in the literature, with the 9-methyl group in either the (R) or (S) conformation; of these, the (R) epimer appears...
    4 KB (377 words) - 12:56, 11 January 2025
  • build new low-power processors Eletrophotonic imaging, an imaging technique Epimer, one of a pair of diastereomers Epi (island), in Vanuatu Portuguese India...
    2 KB (324 words) - 02:19, 22 November 2024
  • Thumbnail for Diastereomer
    diastereoisomers differ from each other at only one stereocenter, they are epimers. Each stereocenter gives rise to two different configurations and thus...
    10 KB (1,253 words) - 18:49, 10 January 2025
  • Thumbnail for Ouabain
    the 11 epimer, i.e., an isomer of plant ouabain. However, this possibility was excluded by various methods including the synthesis of the 11 epimer and the...
    23 KB (2,397 words) - 09:26, 25 January 2025
  • main product GDP-L-galactose (C3,5-epimer) and two sideproducts GDP-L-gulose (C5-epimer) + GDP-D-altrose (C3-epimer). GDP-D-mannose ⇌ {\displaystyle \rightleftharpoons...
    4 KB (491 words) - 00:47, 16 July 2024