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Oenin is an anthocyanin. It is the 3-glucoside of malvidin. It is one of the red pigments found in the skin of purple grapes and in wine. Color stabilization of malvidin 3-glucoside at a higher pH can be explained by self-aggregation of the flavylium cation and copigmentation with the Z-chalcone form. In the presence of procyanidin C2, the red color of oenin appears more stable. However, the HPLC chromatogram shows a decrease in the amplitude of the peaks of oenin and procyanidin C2. Concomitantly, a new peak appears with a maximal absorption in the red region. This newly formed pigment probably comes from the condensation of oenin and procyanidin C2.

AttributesValues
rdf:type
rdfs:label
  • Œnine (fr)
  • Oenin (en)
  • オエニン (ja)
  • Oenina (pl)
  • 锦葵素-3-O-葡萄糖苷 (zh)
rdfs:comment
  • L’œnine, ou malvidine-3-O-glucoside, est une anthocyane de la peau du raisin noir qui, avec d'autres anthocyanes, donne au vin rouge sa couleur. (fr)
  • オエニン(Oenin)は、アントシアニンの一種で、マルビジンの3-グルコシドである。紫色のブドウの果皮やワインの中に含まれる。赤ワインの赤色色素である。 高pHでは、として自家凝縮し、またZ-カルコンと共色素となることで色が安定する。 オエニンは、ブドウの単独の下では酸化されないが、ポリフェノールオキシダーゼの粗抽出物との共在下で分解され、アントシアニジン-カフタル酸付加物を生成する。 (ja)
  • Oenina – organiczny związek chemiczny z grupy antocyjanów, będących barwnikami roślinnymi. Oenina jest 3-O-glukozydem malwidyny. Oenina jest głównym barwnikiem w owocach Vitis vinifera i odpowiada za czerwony kolor młodych czerwonych win otrzymywanych z tych winogron. (pl)
  • 錦葵素-3-O-葡萄糖苷(英語:Oenin;Malvidin 3-O-glucoside)(法語:Œnine;Malvidine-3-O-glucoside)是锦葵花素的3-葡萄糖苷。紫色葡萄和葡萄酒當中含有它,同時它也是紅葡萄酒的紅色色素。 (zh)
  • Oenin is an anthocyanin. It is the 3-glucoside of malvidin. It is one of the red pigments found in the skin of purple grapes and in wine. Color stabilization of malvidin 3-glucoside at a higher pH can be explained by self-aggregation of the flavylium cation and copigmentation with the Z-chalcone form. In the presence of procyanidin C2, the red color of oenin appears more stable. However, the HPLC chromatogram shows a decrease in the amplitude of the peaks of oenin and procyanidin C2. Concomitantly, a new peak appears with a maximal absorption in the red region. This newly formed pigment probably comes from the condensation of oenin and procyanidin C2. (en)
foaf:name
  • Oenin (en)
name
  • Oenin (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Malvidin-3-glucoside.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/MalvidinG_UV_visible_spectrum.png
dcterms:subject
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Wikipage revision ID
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dbp:wikiPageUsesTemplate
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ImageFile
  • Malvidin-3-glucoside.svg (en)
imagesize
IUPACName
OtherNames
  • Enin (en)
  • Malvidin 3-O-glucoside (en)
  • Malvidin-3-glucoside (en)
PIN
Verifiedfields
  • changed (en)
verifiedrevid
Watchedfields
  • changed (en)
has abstract
  • L’œnine, ou malvidine-3-O-glucoside, est une anthocyane de la peau du raisin noir qui, avec d'autres anthocyanes, donne au vin rouge sa couleur. (fr)
  • Oenin is an anthocyanin. It is the 3-glucoside of malvidin. It is one of the red pigments found in the skin of purple grapes and in wine. Color stabilization of malvidin 3-glucoside at a higher pH can be explained by self-aggregation of the flavylium cation and copigmentation with the Z-chalcone form. In the presence of procyanidin C2, the red color of oenin appears more stable. However, the HPLC chromatogram shows a decrease in the amplitude of the peaks of oenin and procyanidin C2. Concomitantly, a new peak appears with a maximal absorption in the red region. This newly formed pigment probably comes from the condensation of oenin and procyanidin C2. Malvidin 3-glucoside alone is not oxidized in the presence of grape polyphenol oxidase, whereas it is degraded in the presence of a crude grape PPO extract and of caftaric acid forming . (en)
  • オエニン(Oenin)は、アントシアニンの一種で、マルビジンの3-グルコシドである。紫色のブドウの果皮やワインの中に含まれる。赤ワインの赤色色素である。 高pHでは、として自家凝縮し、またZ-カルコンと共色素となることで色が安定する。 オエニンは、ブドウの単独の下では酸化されないが、ポリフェノールオキシダーゼの粗抽出物との共在下で分解され、アントシアニジン-カフタル酸付加物を生成する。 (ja)
  • Oenina – organiczny związek chemiczny z grupy antocyjanów, będących barwnikami roślinnymi. Oenina jest 3-O-glukozydem malwidyny. Oenina jest głównym barwnikiem w owocach Vitis vinifera i odpowiada za czerwony kolor młodych czerwonych win otrzymywanych z tych winogron. (pl)
  • 錦葵素-3-O-葡萄糖苷(英語:Oenin;Malvidin 3-O-glucoside)(法語:Œnine;Malvidine-3-O-glucoside)是锦葵花素的3-葡萄糖苷。紫色葡萄和葡萄酒當中含有它,同時它也是紅葡萄酒的紅色色素。 (zh)
gold:hypernym
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alternative name
  • Enin (en)
  • Malvidin 3-O-glucoside (en)
  • Malvidin-3-glucoside (en)
IUPAC name
  • 3-(β-(D)-Glucopyranosyloxy)-4′,5,7-trihydroxy-3′,5′-dimethoxyflavylium (en)
  • 5,7-Dihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-3-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1λ4-benzopyran-1-ylium (en)
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