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D-CALCIUM PANTOTHENATE
Taw qhia luv luv Calcium pantothenate yog ib hom vitamin B thiab yog ib qho ntawm cov as-ham tseem ceeb rau kev loj hlob ntawm cov kab mob. Calcium pantothenate muaj peb hom vim nws muaj cov pa roj carbon chiral: D L-lub cev (hybrate), D-lub cev (sab xis-lub cev) thiab L-lub cev (sab laug lub cev). Tsuas yog D-calcium pantothenate muaj kev ua haujlwm ntawm lub cev, nrog rau cov siv lead ua dawb lossis daj me ntsis zoo li koob lossis hmoov, thiab qhov chaw yaj ntawm 195 ~ 196 ℃ (decomposition), Yaj hauv dej, methanol, glycer... -
INOSITOL
Taw qhia luv luv Inositol, tseem hu ua cyclohexanol, hexahydroxycyclohexane, cyclohexylitol, nqaij nqaij qab zib, thiab non-spin inositol, yog ib qho ntawm cov vitamins B. Vim yog qhov sib txawv ntawm lub nplhaib sib piv ntawm pawg hydroxyl, muaj tag nrho 9 isomers, uas 7 yog non-spins thiab 2 yog spins (levorot thiab dextros). Nws muaj nyob rau hauv txhua cov ntaub so ntswg biological hauv daim ntawv ntawm dawb lossis ua ke hauv xwm. Nws yog ib qho khoom siv hauv cov tsiaj thiab cov nroj tsuag hlwb. Nws tuaj yeem yog ... -
BIOTIN
Taw qhia luv luv Biotin yog yim hom vitamins uas yaj hauv dej, tseem hu ua vitamin B7. Nws yog ib qho coenzyme lossis coenzyme siv rau hauv ntau yam kev hloov pauv hauv lub cev. Biotin koom nrog hauv kev hloov pauv lipid thiab protein, pab hloov cov khoom noj mus rau hauv qabzib, uas lub cev tib neeg siv tau ua lub zog. Nws tseem ceeb rau kev tswj cov tawv nqaij, plaub hau thiab cov ntaub so ntswg. Cov yam ntxwv tshuaj lom neeg Tsis muaj xim rau dawb crystalline lossis crystalline hmoov. Melting point 230-232 ℃. Soluble ... -
Vitamin A
Taw qhia luv luv Vitamin A suav nrog cov vitamins A1 thiab A2. Cov vitamins A1 thiab A2 zoo sib xws hauv cov qauv) Retinol tuaj yeem tsim los ntawm cov nroj tsuag beta-carotene. Nyob rau hauv lub catalysis ntawm β-carotene-15, 15′-peroxide (bioxygenase) hauv lub cev, β-carotene tuaj yeem hloov pauv mus rau hauv ob lub molecule ntawm retinaldehyde (ratinal), thiab retinaldehyde hauv reductase Nws raug txo kom retinol nyob rau hauv qhov kev ua ntawm. Yog li ntawd, beta-carotene kuj tseem hu ua vitamin A. Cov khoom siv tshuaj Vitamin A yog ib qho ... -
VITAMIN B1
Kev Taw Qhia Vitamin B1, tseem hu ua "thiamine" thiab "thiamine", yog ib qho ntawm cov vitamins B. Nws tuaj yeem txhawb kev ua haujlwm ntawm cov piam thaj hauv lub cev thiab yog ib yam khoom tsim nyog los tswj kev ua haujlwm ntawm cov hlab ntsha, lub plawv thiab txoj hnyuv. Nws ua ke nrog adenosine triphosphate los tsim cov vitamin B1 pyrophosphate (thiamine diphosphate, uas yog, coenzyme), uas yog ib qho coenzyme tsim nyog rau cov carbohydrates los hloov Chemicalbook. Cov khoom siv tshuaj lom neeg Vitamin... -
VITAMIN B2
Kev Taw Qhia Vitamin B2 tseem hu ua riboflavin Nws yog cov vitamin uas yaj hauv dej uas tib neeg lub cev tsis tuaj yeem tsim los ntawm nws tus kheej thiab yuav tsum tau muab los ntawm cov zaub mov. Nws yog qhov tseem ceeb rau kev tswj hwm kev ua haujlwm ntawm lub cev thiab kev ua haujlwm ntawm tib neeg lub cev. Vitamin B2 koom nrog kev loj hlob ntawm cov hlwb, txhawb kev kho qhov txhab, ua kom cov rau tes thiab plaub hau muaj zog, thiab tseem yog ib qho tseem ceeb ntawm coenzymes. Nws koom nrog kev tsim thiab kev ua haujlwm ntawm cov pa roj carbon dioxide Chemicalbook w ... -
VITAMIN B6
Kev Taw Qhia Vitamin B6 sai sai hloov mus ua pyridoxaldehyde phosphate hauv tib neeg lub cev. Cov tshuaj no ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm amino acid thiab yog coenzyme ntawm decarboxylase, transaminase, canine urease, deaminase thiab desulphurisation hydrase. Nws kuj yog ib qho coenzyme tsim nyog rau kev ua haujlwm ntawm carbohydrate thiab rog, kev ua haujlwm ntawm lub paj hlwb hauv nruab nrab thiab kev tsim cov qe liab. Cov khoom siv tshuaj Cov khoom siv tshuaj yog qhov ruaj khov thiab ruaj khov dua ... -
CYANOCOBALAMIN (VITAMIN B12)
Cov duab thiab cov khoom Cov khoom no yog xim liab siv lead ua los yog hmoov crystalline, tsis muaj ntxhiab, tsis qab thiab muaj cov khoom ua kom noo noo. Yaj me ntsis hauv dej lossis ethanol, tsis yaj hauv chloroform lossis ether. Tiv taus cua sov, tab sis nws yuav tsis zoo thaum raug rau cov tshuaj oxidizing lossis txo cov tshuaj, cov ntsev hlau hnyav thiab cov kua qaub muaj zog thiab cov alkali muaj zog. Cov qauv tshuaj Vitamin B12 yog ib qho equioctaphedral compound uas muaj cobalt ions. Nws cov qauv hauv nruab nrab yog lub tiaj tiaj corrin... -
ASCORBIC ACID
Kev Taw Qhia Vitamin C, tseem hu ua L-ascorbic acid, yog cov khoom noj khoom haus tseem ceeb rau cov tsiaj ntev thiab ob peb lwm yam kab mob. Ascorbic acid tuaj yeem tsim los ntawm kev ua haujlwm hauv feem ntau cov kab mob, tab sis tib neeg yog qhov tshwj xeeb tshaj plaws. Qhov paub dav tshaj plaws yog tias tsis muaj vitamin C hauv Chemicalbook tuaj yeem ua rau scurvy. Pawg pharmacokidic ntawm vitamin C yog ascorbic acid ion. Hauv lub cev, vitamin C yog antioxidant vim nws tuaj yeem tiv thaiv lub cev ntawm kev hem thawj ntawm oxidizing ib ... -
VITAMIN D3
Kev Taw Qhia Vitamin D3, tseem hu ua cholesterol, yog ib hom vitamin D, uas tau ua pov thawj tias nws yog hom vitamin D tiag tiag hauv lub cev. Tam sim no, muaj tsawg kawg 10 hom vitamin D paub, tab sis qhov tseem ceeb tshaj plaws yog vitamin D2 thiab vitamin ChemicalbookD3. Cholecalciferol, tseem hu ua vitamin D3, yog hom vitamin D tseem ceeb tshaj plaws, uas feem ntau tswj hwm cov metabolism ntawm calcium thiab phosphorus hauv lub cev. Vitamin D3 yog hloov pauv los ntawm 7-dehydrogenated cholest... -
VITAMIN E
Kev Taw Qhia Vitamin E, tseem hu ua tocopherol, yog ib qho antioxidant thiab cov khoom noj khoom haus zoo heev. Tib lub sijhawm, nws muaj cov yam ntxwv ntawm kev ua haujlwm siab ntawm lub cev thiab kev noj zaub mov nyab xeeb. Nws yog siv dav hauv tshuaj, khoom kho mob, khoom noj, tshuaj pleev ib ce thiab lwm yam teb. Cov khoom siv physicochemical Vitamin E yog ib qho kua nplaum daj me ntsis rau daj lossis daj-ntsuab, yuav luag tsis muaj ntxhiab, thiab xim maj mam tsaus thaum raug lub teeb. Lub ntuj ... -
NICOTINAMIDE
Kev Taw Qhia Niacinamide, tseem hu ua nicotinamide, vitamin B3 lossis vitamin PP, yog cov vitamin uas yaj hauv dej thiab yog cov vitamins B. Qhov niacinamide hauv ob lub qauv coenzyme no hauv tib neeg lub cev muaj cov yam ntxwv ntawm kev ntxiv hydrogen thiab dehydrogenation, uas ua lub luag haujlwm hauv kev oxidation ntawm cov kab mob. Kev sib kis ntawm hydrogen tuaj yeem txhawb kev ua pa ntawm cov ntaub so ntswg, cov txheej txheem oxidation ntawm cov kab mob thiab kev ua haujlwm ntawm lub cev, uas yog qhov tseem ceeb rau kev tswj hwm kev ncaj ncees ntawm ib txwm muaj ...
