Beta Carotene | 7235-40-7 ib
Khoom Description
β-Carotene yog ib qho xim liab-txiv kab ntxwv xim uas muaj nyob hauv cov nroj tsuag thiab txiv hmab txiv ntoo. Nws yog ib qho organic compound thiab chemically cais raws li hydrocarbon thiab tshwj xeeb yog terpenoid (isoprenoid), uas qhia txog nws qhov kev muab los ntawm isoprene units. β-Carotene yog biosynthesized los ntawm geranylgeranyl pyrophosphate. Nws yog ib tug tswv cuab ntawm carotene, uas yog tetraterpenes, synthesized biochemically los ntawm yim isoprene units thiab yog li muaj 40 carbons. Ntawm cov chav kawm dav dav ntawm carotene, β-Carotene yog qhov txawv los ntawm kev muaj beta-rings ntawm ob qhov kawg ntawm cov molecule. Kev nqus ntawm β-Carotene yog txhim kho yog tias noj nrog cov rog, vim carotene yog rog soluble.
Siv nyob rau hauv cov tsiaj premix thiab compound pub, Txhim kho tsiaj tiv thaiv kab mob, txhim khu kev ciaj sia ntawm cov tsiaj yug me nyuam, tuaj yeem txhawb cov tsiaj loj hlob, txhim kho kev ua tau zoo, tshwj xeeb tshaj yog rau cov poj niam tsiaj yug me nyuam muaj txiaj ntsig zoo, thiab nws kuj yog hom xim zoo nkauj.
Specification
| Yam khoom | STANDARD |
| Qhov tshwm sim | Dawb los yog whitelike hmoov |
| Assay | => 10.0% |
| Poob rau ziab | = <6.0% |
| Sib Analysis | 100% txog No.20 (US) >= 95% txog No.30 (US) = <15% txog No.100 (US) |
| Hnyav Hlau | = <10mg/kg |
| Arsenic | = <2 mg/kg |
| Pb | = <2 mg/kg |
| Cadmium | = <2 mg/kg |
| Mercury | = <2 mg/kg |
