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Trifolin![Trifolin structure](//upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Trifolin.svg/300px-Trifolin.svg.png) |
Names |
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IUPAC name 3-(β-D-Galactopyranosyloxy)-4′,5,7-trihydroxyflavone |
Systematic IUPAC name5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one |
Other names Kaempferol 3-O-β-D-galactoside Kaempferol-3-O-galactoside |
Identifiers |
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ChEBI | |
ChemSpider | |
KEGG | |
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UNII | |
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InChI=1S/C21H20O11/c22-7-13-15(26)17(28)18(29)21(31-13)32-20-16(27)14-11(25)5-10(24)6-12(14)30-19(20)8-1-3-9(23)4-2-8/h1-6,13,15,17-18,21-26,28-29H,7H2/t13-,15+,17+,18-,21+/m1/s1 Key: JPUKWEQWGBDDQB-DTGCRPNFSA-N
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C1=CC(=CC=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)CO)O)O)O)O
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Properties |
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| C21H20O11 |
Molar mass | 448.37 g/mol |
Density | 1.791 g/mL |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
Chemical compound
Trifolin is a chemical compound. It is the kaempferol 3-galactoside. It can be found in Camptotheca acuminata,[1] in Euphorbia condylocarpa[2] or in Consolida oliveriana.[3]
Kaempferol 3-O-galactosyltransferase is an enzyme that catalyzes the chemical reaction:
UDP-galactose + kaempferol → UDP + kaempferol 3-O-beta-D-galactoside (trifolin).[4] It can also be found in seedlings of Vigna mungo.[5]
References
Flavonols and their conjugates |
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Backbone | |
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Flavonols | Aglycones | |
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Conjugates | Glycosides of herbacetin | |
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Glycosides of kaempferol | - Afzelin (Kaempferol 3-rhamnoside)
- Astragalin (kaempferol 3-O-glucoside)
- Kaempferitrin (kaempferol 3,7-dirhamnoside)
- Juglanin (Kaempferol 3-O-arabinoside)
- Kaempferol 3-alpha-L-arabinopyranoside
- Kaempferol 3-alpha-D-arabinopyranoside
- Kaempferol 7-alpha-L-arabinoside
- Kaempferol 7-O-glucoside
- Kaempferol 3-lathyroside
- Kaempferol 4'-rhamnoside
- Kaempferol 5-rhamnoside
- Kaempferol 7-rhamnoside
- Kaempferol 7-O-alpha-L-rhamnofuranoside
- Kaempferol 3-xyloside
- Kaempferol 7-xyloside
- Robinin (kaempferol-3-O-robinoside-7-O-rhamnoside)
- Kaempferol 3-O-rutinoside
- Sophoraflavonoloside (Kaempferol 3-O-sophoroside)
- Trifolin (Kaempferol 3-O-beta-D-galactoside)
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Glycosides of myricetin | |
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Conjugates of quercetin | |
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O-Methylated flavonols | Aglycones | |
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Glycosides | of isorhamnetin | - Narcissin (Isorhamnetin 3-O-rutinoside)
- Isorhamnetin 3-O-glucoside
- Tamarixetin 7-rutinoside
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other | - Azalein (Azaleatin 3-O-α-L-rhamnoside)
- Centaurein (Centaureidin 7-O-glucoside)
- Eupalin (Eupalitin 3-0-rhamnoside)
- Eupatolin (Eupatolitin 3-O-rhamnoside)
- Jacein (Jaceidin 7-O-glucoside)
- Patulitrin (Patuletin 7-O-glucoside
- Xanthorhamnin (Rhamnetin glycoside)
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Derivative flavonols | Aglycones | - Noricaritin
- Dihydronoricaritin
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Glycosides | |
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Pyranoflavonols | |
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Furanoflavonols | |
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Semisynthetic | |
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