Kugwiritsa ntchito kwa ma laboratory kwa vitamini C
1, ma analytical reagents ndi machitidwe amachitidwe
Kuchepetsa wothandizira ndi masking wothandizira
Vitamini C nthawi zambiri amagwiritsidwa ntchito ngati chochepetsera mwamphamvu mu labotale kuti achepetse ma oxidizing zinthu (monga ma elemental ayodini), ndipo kuchepetsedwa kwake kumatha kutsimikiziridwa mowoneka ndi kuyesa kwa ayodini.
Mu complexometric titration, vitamini C imatha kukhala ngati masking agent kuti athetse kusokoneza kwa ayoni zitsulo pozindikira.
Kafukufuku pa Redox Reaction
Kutsimikiza kwachulukidwe kwa vitamini C kudzera pakuchepetsa makutidwe ndi okosijeni ndi ayodini wamba (monga njira ya iodometric) kumagwiritsidwa ntchito kwambiri pakuwunika zakudya ndi zitsanzo zamoyo.
2, Ukadaulo wozindikira komanso mawonekedwe ogwiritsira ntchito
Kupanga njira zodziwira kuchuluka
Kuyeza kwa Biomedical: pogwiritsa ntchito UV spectrophotometry, high-performance liquid chromatography (HPLC), ndi zina zotero, kuti adziwe bwino zomwe zili ndi vitamini C mu seramu ndi minofu, zomwe zimathandiza kuzindikira matenda (monga scurvy).
Kusanthula zakudya ndi zodzoladzola: Unikani kukhazikika ndi kufunikira kwa zakudya za vitamini C mu zipatso, masamba, ndi zodzoladzola pogwiritsa ntchito njira za copper oxidation colorimetric kapena liquid chromatography.
Research Physiology Research
Dziwani kuchuluka kwa vitamini C m'magulu azomera kuti muwone momwe kupsinjika kwa chilengedwe (monga chilala, kuipitsidwa ndi zitsulo zolemera) kumagwirira ntchito.
3, Kukonzekera ndondomeko ndi chitukuko chitukuko
Kukhathamiritsa kwa njira yokonzekera ma laboratory
Kutengera ukadaulo wowumitsa kuzizira kuti ukhale wokhazikika wa mavitamini C, ndikuchotsa zonyansa kudzera mu activated carbon pretreatment kuti zitsimikizire zolondola.
Pangani mafomu atsopano a mlingo monga ma enteric coated formulations ndi ma granules kuti muwonjezere kupezeka kwa vitamini C.
Kupanga zinthu wamba ndi zida za reagent
Zida za reagent zokhazikika (monga zida zodziwira vitamini C) zophatikizidwa ndi ma aligorivimu anzeru ochita kupanga zimathandiza kusanthula bwino zitsanzo zazikulu.
4. Kutsimikizira koyeserera ndi kuwongolera khalidwe
Kutsimikizira njira
Tsimikizirani kulondola kwa njira yodziwira kudzera muzoyeserera zochira (kuchira kwa 95.6% ~ 101.0%).
Fananizani njira zosiyanasiyana monga 2,4-dinitrophenylhydrazine colorimetric njira ndi njira ya iodometric kuti muwonetsetse kudalirika kwa zotsatira.
Kuwongolera zinthu zosokoneza
Konzani zochitika (monga pH ndi kutentha) kuti muchepetse kusokonezedwa ndi zinthu zina zochepetsera (monga glutathione).
Chidule: Vitamini C ali zonse reagent ntchito ndi kufufuza zinthu mu labotale. Ukadaulo wake wozindikira, njira yokonzekera, ndi kafukufuku wamachitidwe amachitidwe amapereka chithandizo chofunikira chaukadaulo pazachilengedwe, sayansi yazakudya, ndi magawo ena.