Riboflavin / Vitamin B2 (83-88-5)
Product Description
Riboflavin, tseem hu ua vitamin B2, yog ib qho vitamin pom nyob rau hauv cov zaub mov thiab muag raws li kev noj haus ntxiv.[3]Nws yog ib qho tseem ceeb rau kev tsim ntawm ob lub coenzymes loj, flavin mononucleotide thiab flavin adenine dinucleotide.Cov coenzymes no koom nrog hauv lub zog metabolism, kev ua pa ntawm tes, thiab kev tsim cov tshuaj tiv thaiv, nrog rau kev loj hlob thiab kev loj hlob.Cov coenzymes tseem xav tau rau cov metabolism ntawm niacin, vitamin B6, thiab folate.Riboflavin yog tshuaj los kho pob txha pob txha, thiab noj qhov ncauj, tuaj yeem txo qhov tshwm sim ntawm mob taub hau migraine hauv cov laus.
Riboflavin deficiency yog tsawg thiab feem ntau yog nrog los ntawm kev tsis txaus ntawm lwm cov vitamins thiab cov as-ham.Nws yuav tiv thaiv los yog kho los ntawm qhov ncauj tshuaj los yog txhaj tshuaj.Raws li cov vitamin dej-soluble, ib qho riboflavin noj ntau dhau ntawm cov khoom noj khoom haus tsis tau khaws cia;Nws tsis yog absorbed los yog absorbed sai sai nyob rau hauv cov zis, ua rau cov zis muaj ib tug kaj daj tint.Ntuj qhov chaw ntawm riboflavin muaj xws li nqaij, ntses thiab fowl, qe, khoom noj siv mis, zaub ntsuab, nceb, thiab almonds.Qee lub tebchaws xav tau nws ntxiv rau cov nplej.
Muaj nuj nqi
Riboflavin yog ib qho tseem ceeb rau cov metabolism hauv carbohydrates, protein thiab fats.FAD txhawb kev hloov pauv ntawm tryptophan rau niacin (vitamin B3) thiab hloov pauv ntawm vitamin B6 rau coenzyme pyridoxal 5'. -phosphate xav tau FMN.Riboflavin koom nrog hauv kev tswj hwm cov qib ntawm homocysteine zoo li qub;nyob rau hauv riboflavin deficiency, homocysteine ntau ntau nce, elevating txoj kev pheej hmoo ntawm cov kab mob plawv.
| Cov khoom | txwv | Cov txiaj ntsig |
| Qhov tshwm sim | Txiv kab ntxwv Yellow Crystalline Hmoov | Ua raws |
| Kev txheeb xyuas | Qhov zoo | Ua raws |
| Acidity los yog Alkalinity | Xyuas cov xim ntawm cov tshuaj ntsuam xyuas Tom qab ntxiv cov kev daws teeb meem | Ua raws |
| Lumiflavin | Absorbance ntawm filtrate ntawm 440nm Tsis pub tshaj 0.025 (USP); | 0.009 ib |
| Absorbance | 0.31 - 0.33 A375nm / A267nm 0.36 - 0.39 A444nm / A267nm | 0.32/0.38 Nws |
| Qhov Loj | 100% dhau 60 mesh | Ua raws |
| Kev sib hloov tshwj xeeb | Nruab nrab ntawm-115 ° thiab -135 ° (EP / BP / USP) | 121 ° (USP) |
| Poob rau ziab | ≤ 1.5% | 0.8% |
| Hnyav Hlau | <10ppm | Ua raws |
| Residue ntawm Ignition | ≤0.03% (USP) | 0.1% |
| Organic Volatile Impurities | Method IV<467>(USP) | Ua raws |
| Assay (ntawm qhuav hauv paus) | 98.0% - 102.0% (USP) | 99.85% |
