Taw qhia
Vitamin A yog ib pawg ntawm unsaturated noj zaub mov organic tebchaw uas muaj xws li retinol, retinal, retinoic acid, thiab ob peb provitamin A carotenoids (feem ntau yog bet a-carotene). Nws tseem yog lub npe hu ua anti-dry eye vitamin, yog ib qho tseem ceeb cov as-ham rau tib neeg. Lub precursor ntawm vitamin A yog carotene nyob rau hauv ntau yam nroj tsuag.
| Yam khoom | Specification | Kev tshwm sim |
| Qhov tshwm sim | Lub teeb daj mus rau tan granular hmoov | Lub teeb daj granular hmoov |
| Kev txheeb xyuas | Cov tshuaj tiv thaiv zoo | Ua raws |
| Poob rau ziab | Tsis ntau tshaj 5.0% | 3.00% |
| Assay | 90.0-120.0% | 110.00% |
| Particle loj: | 100% dhau 20 mesh | 100% |
| Cov hlau hnyav | Tsis ntau tshaj 10ppm | Ua raws |
| Arsenic | Tsis ntau tshaj 2ppm | Ua raws |
| Sau npe | 1,000,000IU/G | <0.0005% |
Functions thiab Applications
1. Nws yog ib qho tseem ceeb rau kev loj hlob thiab kev loj hlob, rau kev saib xyuas ntawm lub cev tiv thaiv kab mob thiab lub zeem muag zoo.
2. Nws yog tsim nyog los ntawm retina ntawm lub qhov muag nyob rau hauv daim ntawv ntawm retinal, uas ua ke nrog cov protein opsin los ua rhodopsin, lub teeb-absorbing molecule tsim nyog rau ob qho tib si low-light (scotopic vision) thiab xim tsis pom kev.
3. Nws kuj ua haujlwm nyob rau hauv lub luag hauj lwm sib txawv heev li retinoic acid (ib qho irreversibly oxidized daim ntawv ntawm retinol), uas yog ib qho tseem ceeb cov tshuaj hormones zoo li kev loj hlob zoo rau epithelial thiab lwm yam hlwb.
Cim npe nrov: vitamin a, Tuam Tshoj vitamin a manufacturers, hoobkas
