Vitamin A
Vitamin Ayog ib pab pawg ntawm cov zaub mov tsis txaus ntseeg, uas suav nrog Retinol, retinal, rov ua dua cov carotenoids, ntawm cov beta-carotene yog qhov tseem ceeb tshaj plaws. Vitamin A muaj ntau lub luag haujlwm: nws yog qhov tseem ceeb rau kev loj hlob thiab kev txhim kho, rau kev txij nkawm, rau kev saib xyuas ntawm lub cev tsis muaj zog thiab lub zeem muag zoo. Vitamin A yog xav tau los ntawm lub retina ntawm lub qhov muag nyob rau hauv daim ntawv ntawm retinal, uas yog ib qho tsim nyog rau ob lub teeb pom kev (scotopic lub zeem muag) thiab yog lub zeem muag xim. Vitamin A kuj ua haujlwm nyob rau hauv lub luag haujlwm sib txawv heev uas yog cov khoom siv oxidized rau epithelial thiab lwm yam cells.
| Yam | Lub hom phiaj |
| Kev tshwm sim | Dawb Dawb-Flowing Hmoov |
| Poob rau ziab | 3.9% |
| lam xav | 521000iu / g |
| khoom | <1.0mg / kg |
| Txhuas (PB) | <0.01mg / kg |
| Tag nrho cov kab mob | <10cfu / g |
| lub paj muaj | 0.3mpn / g |
| Pwm & poov xab | <10cfu / g |
Chaw ntim khoom: Hauv qhuav, txias, thiab duab ntxoo nrog thawj ntim, zam kev ya raws, khaws cia ntawm chav tsev kub.
Txee lub neej: 48 hlis
Pob: Hauv25kg / hnab
kev xa mus: Sai
1. Dab tsi yog koj cov lus them nqi?
T / T lossis L / C.
2. Dab tsi yog koj lub sijhawm khoom xa tuaj?
Feem ntau peb yuav npaj cov zaub mov xa tuaj hauv 7 -15 hnub.
3. Yuav ua li cas txog cov pob?
Feem ntau peb muab cov ntim li 25 kg / hnab lossis thawv. Yog lawm, yog tias koj muaj kev tshwj xeeb rau lawv, peb yuav raws li koj.
4. Yuav ua li cas txog qhov siv tau ntawm cov khoom lag luam?
Raws li cov khoom koj tau txiav txim.
5. Cov ntaub ntawv twg koj muab?
Feem ntau, peb muab cov ntawv sau qhia ua ke, cov thawv ntim, daim nqi chaw thau khoom, COA, daim ntawv pov thawj kev noj qab haus huv thiab daim ntawv pov thawj kev noj qab haus huv. Yog tias koj lub khw muaj cov kev cai tshwj xeeb, qhia rau peb paub.
6. Dab tsi yog chaw thau khoom?
Feem ntau yog Shanghai, Qingdao lossis Tianjin.
