Afzelechin - Afzelechin
 Afzelechinning kimyoviy tuzilishi (2R,3S) | |
 Epiafzelekinning kimyoviy tuzilishi (2R,3R) | |
| Ismlar | |
|---|---|
| IUPAC nomi Afzelechin - (2R,3S) -2- (4-gidroksifenil) -3,4-dihidro-2H-xromen-3,5,7-triol Epiafzelekin - (2R,3R) -2- (4-gidroksifenil) -3,4-dihidro-2H-xromen-3,5,7-triol | |
| Boshqa ismlar 3,5,7,4'-Tetrahidroksiflavan 3,4 ', 5,7-Flavantetrol | |
| Identifikatorlar | |
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3D model (JSmol ) | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| KEGG | |
PubChem CID | |
| UNII |
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| Xususiyatlari | |
| C15H14O5 | |
| Molyar massa | 274,26 g / mol |
Boshqacha ko'rsatilmagan hollar bundan mustasno, ulardagi materiallar uchun ma'lumotlar keltirilgan standart holat (25 ° C [77 ° F], 100 kPa da). | |
 tasdiqlang (nima bu   ?) | |
| Infobox ma'lumotnomalari | |
Afzelechin a flavan-3-ol, flavonoid turi. Buni topish mumkin Bergeniya ligulata (a.k.a. Paashaanxed Ayurveda an'anaviy hind tibbiyotida).[1] U kamida 2 ta asosiy sifatida mavjud epimerlar (afzelechin va epi-afzelekin).
Metabolizm
(2R, 3S) -kateyn: NADP + 4-oksidoreduktaza o'zgartiradi sis-3,4-leykopellargonidin afzelechin ichiga.[2]
Glikozidlar
Arthromerin A (afselechin-3-O-b-D-ksilopiranozid ) va artromerin B (afselechin-3-O-b-D-glyukopiranozid ) paporotnikning ildizlaridan ajratilgan afzelezin glikozidlari Arthromeris mairei.[3] (+) - afzelekin-O-b-4'-D-glyukopiranozid fernning rizomlaridan ajratilishi mumkin Selliguea haqi.[4]
Proantotsianidinlar
- dimerlar
Afselechin- (4alfa → 8) -afselechin (molekulyar formula: C30H26O10, molyar massasi: 546.52 g / mol, aniq massasi: 546.152597, CAS raqami: 101339-37-1, Pubchem CID: 12395) bu a B tipidagi proantosiyanidin.
Ent-epiafzelekin-3-O-p-gidroksibenzoat- (4a → 8,2a → O → 7) -epiafzelekin ) an A tipidagi proantosiyanidin ichida topilgan o'rik (Prunus armeniaca).[5]
- Trimmerlar
Selligueain A (epiafzelechin- (4β-8,2β-0-7) -epiafzelechin- (4β-8) -afzelekin) Proantosiyanidin turi.
Adabiyotlar
- ^ Paashaanbhed (Bergenia ligulata yeo) ning turli qismlaridan bergenin va (+) -afelechinni yuqori bosimli suyuq kromatografik aniqlash. Umashankar D. Chandra Reddi, Amrik S. Chavla, Mundkinajeddu Deepak, Deepa Singx, Suxdev S. Xanda, 1997
- ^ (2R, 3S) -kateyn: nashua.case.edu-da NADP + 4-oksidoreduktaza.[doimiy o'lik havola ]
- ^ Arthromeris mairei dan ikkita afzelekin glikozidi. Yu Ven-Sheng, Li Xong, Chen Sin-Min va Yang Ley, Fitokimyo, 1992 yil dekabr, 31-jild, 12-son, 4385-44386-betlar, doi:10.1016 / 0031-9422 (92) 80488-Z, INIST:4682275
- ^ Flavonoidlar va Selliguea payi rizomlaridan olingan proantrotsianidin. Baek Nam-In, Kennelly EJ, Kardono LBS, Tsauri S, Padmawinata K, Soejarto D.D va Kinghorn A.D., Fitokimyo, 1994, jild. 36, № 2, 513-518 betlar, INIST:3300075
- ^ Prasad, D; Joshi, RK; Pant, G; Ravat, MS; Inoue, K; Shingu, T; U, ZD (1998). "Prunus armeniaca dan A tipidagi proantotsianidin". Tabiiy mahsulotlar jurnali. 61 (9): 1123–5. doi:10.1021 / np970383n. PMID 9748379.