Cov pawg tseem ceeb ntawm cov vitamins

Cov vitamins yog tsev neeg loj, muaj ntau ntau cov vitamins muaj nyob rau tam sim no, uas tuaj yeem muab faib ua ob pawg: rog soluble thiab dej-soluble. Dej soluble vitamins yog yooj yim soluble nyob rau hauv dej tab sis tsis nyob rau hauv non-polar organic solvents. Tom qab nqus tau, lawv khaws cia rau hauv lub cev tsawg heev, thiab cov nyiaj ntau dhau yog feem ntau tawm los ntawm cov zis; Fat soluble vitamins yog yooj yim soluble nyob rau hauv non-polar organic solvents, tab sis tsis nyob rau hauv dej. Lawv tuaj yeem nqus tau los ntawm lub cev nrog rau cov rog thiab khaws cia hauv lub cev, nrog tus nqi qis qis. Txhua cov tshuaj vitamin feem ntau tsim ntau yam tshuaj tiv thaiv, yog li cov vitamins feem ntau muaj ntau yam haujlwm. Vitamin A, vitamin D, vitamin E, thiab vitamin K yog tag nrho cov roj soluble vitamins, thaum vitamin B thiab vitamin C yog cov vitamins dej-soluble. Qee cov tshuaj muaj tshuaj zoo ib yam li qee cov vitamins thiab tuaj yeem hloov mus rau hauv cov vitamins los ntawm cov tshuaj metabolic yooj yim. Cov tshuaj no hu ua retinoids, xws li beta carotene, uas tuaj yeem hloov mus rau hauv vitamin A; 7-dehydrocholesterol tuaj yeem hloov mus rau hauv vitamin D3, tab sis nws yuav tsum muaj ntau yam kev cuam tshuam hauv metabolic. tryptophan ntawm niacin tsis tuaj yeem hu ua retinol.