Shaanxi BLOOM Tech Co., Ltd. yog ib qho ntawm cov tuam ntxhab thiab cov muag khoom ntawm l-cysteine hmoov cas 52-90-4 hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo l-cysteine hmoov cas 52-90-4 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
L-cysteine hmoovyog ib qho isomer ntawm cysteine thiab tuaj yeem hloov los ntawm methionine. Nws tseem hu ua L-cysteine lossis cysteine, yog ib qho tseem ceeb amino acid uas ua lub luag haujlwm tseem ceeb hauv ntau yam txheej txheem lom neeg. Cysteine yog dawb crystalline hmoov los yog crystalline hmoov, soluble nyob rau hauv dej, me ntsis tsw, insoluble nyob rau hauv ethanol, insoluble nyob rau hauv ether thiab lwm yam organic solvents. Chemically, nws muaj sulfur - muaj cov saw hlau sab, uas ua rau nws txawv ntawm lwm cov amino acids. Cov pab pawg sulfur no tseem ceeb heev rau kev tsim cov disulfide bonds hauv cov protein, pab txhawb rau lawv cov kev ruaj ntseg thiab cov qauv. Hauv tib neeg lub cev, L-cysteine koom nrog hauv kev sib txuas ntawm glutathione, muaj zog antioxidant uas pab tiv thaiv cov hlwb ntawm oxidative kev nyuaj siab thiab kev puas tsuaj.
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Tshuaj Formula |
C3H7NO2S |
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Exact Mass |
121.02 |
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Molecular Luj |
121.15 |
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m/z |
121.02 (100.0%), 123.02 (4.5%), 122.02 (3.2%) |
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Elemental Analysis |
C, 29.74; H, 5.82; N, 11.56; O, 26.41; S, 26.46 |
L-cysteine hmoov, molecular hnyav 121.16, CAS naj npawb 52-90-4, yog tib cov amino acid ntawm 20 cov amino acids yooj yim uas tsim cov proteins uas muaj thiol pawg (- SH). Cov qauv tshuaj tshwj xeeb no ua rau nws muaj kev txo qis thiab ua haujlwm ntau, ua rau nws ua lub luag haujlwm tsis tuaj yeem hloov pauv hauv kev lag luam khoom noj. Los ntawm qhob cij fermentation rau txiv hmab txiv ntoo kua txiv hmab txiv ntoo antioxidant, los ntawm cov nqaij xim kev tiv thaiv rau cov khoom noj siv mis, nrog rau nws cov "ntau yam" yam ntxwv, nws tau dhau los ua ib qho ntawm feem ntau siv cov amino acid additives hauv kev lag luam khoom noj niaj hnub no.
1.Bread thiab hmoov khoom: tus "golden khub" ntawm fermentation nce qib thiab tiv thaiv -aging
Qhov no yog qhov feem ntau classic thiab loj tshaj plaws daim ntawv thov scenario nyob rau hauv cov zaub mov, thiab tuaj yeem hu ua "soul additive" ntawm kev lag luam khob cij.
1.1 Fermentation nce qib thiab txhim kho gluten
Nws pawg thiol (- SH) muaj zog txo qis thiab tuaj yeem hloov pauv cov tshuaj tiv thaiv nrog disulfide daim ntawv cog lus (- S-S -) hauv gluten proteins, tsim ib qho tshiab disulfide bond network thiab hloov peb -dimensional qauv ntawm gluten, ua rau nws softer thiab elastic dua.
Qhov cuam tshuam ncaj qha ntawm cov nyhuv no yog tias lub khob noom cookie ua haujlwm tau zoo dua qub, cov pwm yog smoother, lub khob cij ntim tau nce, thiab cov qauv sab hauv yog qhov muag heev thiab zoo ib yam.
Kev loj hlob ntawm cov khob cij dav dav yuav tsum tau fermentation txog li 3-5 teev, tab sis "txoj kev ceev" siv nws los ua tus neeg sawv cev txo qis thiab potassium bromate ua tus neeg sawv cev oxidizing tuaj yeem txo lub sijhawm ua mov ci thiab txhim kho cov haujlwm ua haujlwm. Cov thev naus laus zis no tau lees paub los ntawm txoj cai lij choj hauv cov tebchaws xws li Tebchaws Meskas, Canada, thiab Nyij Pooj, thiab tau raug suav nrog hauv kev cai lij choj zaub mov.
1.2. Tiv thaiv cov qhob cij laus (preservation)
Lub khob cij yuav dhau los ua tawv thiab poob thaum lub sijhawm khaws cia vim cov hmoov txhuv nplej siab retrogradation, uas yog hu ua "aging" tshwm sim. Los ntawm kev koom nrog hauv oxidation- txo cov tshuaj tiv thaiv ntawm cov khob noom cookie, cov txheej txheem ntawm cov hmoov txhuv nplej siab retrogradation tau qeeb, ua kom lub neej ntev thiab txee lub neej ntawm cov mov ci. Kev tshawb fawb tau pom tias thaum L-cysteine thiab ascorbic acid yog synergistically siv los txo cov neeg ua hauj lwm nyob rau hauv ib tug 1: 1 molecular ratio, tsis tsuas yog cov qauv, saj, thiab aroma ntawm qhob cij yuav txhim kho nyob rau hauv ib tug luv luv lub sij hawm ntawm lub sij hawm, tab sis kuj zoo preservation nyhuv yuav ua tau tiav.
1.2. Nutritionally fortified qhob cij
Khoom noj khoom haus qhob cij fortifier tsuas yog tsim nrog nws tuaj yeem ntxiv cov as-ham xws li phosphorus thiab calcium xav tau los ntawm tib neeg lub cev, txo cov piam thaj dawb yam tsis muaj nqi ntau lawm, txhim kho cov khoom noj muaj txiaj ntsig zoo thaum tswj hwm tus nqi muag, thiab txhawb kev noj qab haus huv ntawm kev lag luam khob cij.
2. Cov kua txiv hmab txiv ntoo thiab dej haus: 'Color Guardian' rau Antioxidants thiab Anti Browning
Cov kua txiv hmab txiv ntoo ntuj yog nplua nuj nyob rau hauv vitamin C (ascorbic acid), tab sis vitamin C yog yooj yim oxidized los ntawm oxygen nyob rau hauv cov huab cua, ua rau cov kua txiv hmab txiv ntoo tig xim av thiab tsim teeb meem, cuam tshuam rau cov khoom zoo thiab cov neeg siv khoom. Nws yog ' riam phom' uas daws qhov mob no.
2.1. Tiv thaiv vitamin C oxidation thiab browning
Raws li lub zog txo tus neeg sawv cev, nws tuaj yeem hnov mob nrog cov khoom oxidation ntawm vitamin C thaum ntxiv rau cov kua txiv hmab txiv ntoo, tiv thaiv ntxiv oxidation ntawm vitamin C thiab yog li tiv thaiv nws stability.
Tiv thaiv cov kua txiv hmab txiv ntoo browning, thiab tswj nws cov xim ntuj thiab cov khoom noj muaj txiaj ntsig. Txoj haujlwm no tseem ceeb tshwj xeeb hauv cov kua txiv hmab txiv ntoo thiab cov dej qab zib.
2.2. Txuas lub neej txee
Los ntawm inhibiting oxidation thiab tsis enzymatic browning tshwm sim, L-cysteine tuaj yeem ua rau lub neej ntev ntawm cov kua txiv hmab txiv ntoo thiab cov dej qab zib. L-Cysteine additives feem ntau ntxiv rau cov kua txiv hmab txiv ntoo thiab lwm yam dej qab zib txawv teb chaws, uas tau dhau los ua kev lag luam.
2.3. Cov qauv siv tshuaj tshwj xeeb
Raws li GB 2760-2024, qhov ntau npaum ntawm L-cysteine hydrochloride siv rau cov kua txiv hmab txiv ntoo ntuj yog 0.2-0.8 g / kg.
2.4. Kev sib koom tes antioxidant system
Kev tshawb fawb tau pom tias qhov kev txo qis zoo tshaj plaws tshwm sim thaum qhov sib piv molecular ntawm ascorbic acid rau L-cysteine hauv cov zaub mov ruaj khov antioxidants yog 1: 1. Qhov kev sib koom tes no tsis yog tsuas yog tiv thaiv cov zaub mov tsis zoo xwb, tab sis kuj inhibits tiam thiab blackening ntawm dyes, ua rau nws "golden formula" ntawm kev lag luam kua txiv hmab txiv ntoo.
3. Kev ua cov nqaij: ib qho "kev nyab xeeb barrier" rau kev tiv thaiv xim, khaws cia, thiab inhibition ntawm carcinogens
Nyob rau hauv lub tshav pob ntawm cov nqaij ua,l-cysteine hmoovnthuav tawm ntau yam kev tiv thaiv thiab yog ib qho tseem ceeb ua haujlwm ntxiv hauv kev lag luam nqaij.
3.1. Xim tiv thaiv muaj nuj nqi
Nws pab pawg thiol tuaj yeem hnov mob nrog oxidative tshuaj nyob rau hauv cov nqaij, tiv thaiv oxidation cov tshuaj tiv thaiv thiab tiv thaiv pigments xws li myoglobin los ntawm oxidation, yog li tswj lub ci liab xim ntawm cov khoom nqaij.
Nws yog ib qho tsim nyog hais tias nws cov xim xim zoo dua li cov tshuaj nitrite ib txwm muaj, thiab nws tuaj yeem zam qhov teeb meem kev noj qab haus huv los ntawm nitrite.
3.2. Tiv thaiv kev tsim ntawm nitrosamines
Qhov no yog nws txoj haujlwm tseem ceeb tshaj plaws hauv kev ua cov nqaij. Thaum L-cysteine ntxiv, tsis yog tsuas yog xim xim zoo dua li cov tshuaj nitrite, tab sis nws kuj tuaj yeem tiv thaiv cov nyhuv carcinogenic ntawm dimethyl nitrosamine (NDMA). Cov yam ntxwv no ua rau nws zoo tagnrho cov xim tiv thaiv los hloov nitrite, uas yog qhov tseem ceeb rau kev tiv thaiv cov neeg siv khoom noj qab haus huv.
3.3 Antioxidant thiab antibacterial preservation
Nws tuaj yeem tsim cov complexes nrog hlau ions (xws li hlau thiab tooj liab) hauv cov nqaij, txo cov nyhuv catalytic ntawm cov hlau ions ntawm cov tshuaj tiv thaiv oxidation. Nyob rau tib lub sijhawm, nws kuj muaj qee yam tshuaj tua kab mob, uas tuaj yeem cuam tshuam kev loj hlob thiab kev tsim tawm ntawm cov kab mob thiab txuas ntxiv lub txee lub neej ntawm cov khoom nqaij.
3.4. Hlau ion chelation
Cov kev sim tau pom tias noj nas thiab qaib nrog cov koob tshuaj ntau ntawm cov tooj liab tsis muaj zog tuaj yeem txo cov tooj liab tso rau hauv daim siab, qhia tias nws muaj peev xwm chelating tseem ceeb ntawm cov hlau ions. Cov yam ntxwv no tuaj yeem tiv thaiv cov hlau catalyzed oxidation thiab spoilage hauv kev ua cov nqaij.
4. Cov khoom siv mis nyuj thiab mis nyuj hmoov: "dual effect factor" ntawm antioxidant thiab kev noj haus ntxiv
Nws tseem ci ntsa iab hauv kev lag luam mis nyuj, tshwj xeeb tshaj yog nyob rau hauv kev lag luam mis hmoov uas nws tuav txoj hauj lwm irreplaceable.
4.1. Tiv thaiv cov mis nyuj los ntawm oxidizing thiab deteriorating
Nyiv feem ntau siv nws hauv cov hmoov mis nyuj los tiv thaiv nws ntawm kev lwj. Cov cuab yeej txo qis ntawm nws pawg thiol zoo tiv thaiv oxidation ntawm cov rog thiab cov protein hauv cov mis nyuj, ua kom lub neej ntev ntawm cov mis nyuj hmoov, thiab tswj nws cov khoom noj tshiab thiab muaj txiaj ntsig zoo.
4.2. Kev noj zaub mov zoo thiab kev txhim kho tsw
Ntxiv L-cysteine rau cov khoom noj siv mis xws li yogurt thiab ice cream tuaj yeem txhim kho lawv saj thiab zoo. Raws li kev noj zaub mov zoo, nws cov nyiaj ntxiv yuav tsum tsis pub tshaj 2.3% ntawm tag nrho cov ntsiab lus protein (xws li L-cysteine).
4.3. ruaj khov amino acid infusion
Nws kuj tseem tuaj yeem siv los ua tus stabilizer hauv cov amino acid infusion los tiv thaiv oxidation thiab degradation ntawm amino acids hauv infusion, kom ntseeg tau qhov zoo thiab kev nyab xeeb ntawm cov khoom infusion.
Tam sim no, lub synthesis ntawmL-cysteine hmoovFeem ntau suav nrog cov plaub hau hydrolysis txo, enzymatic synthesis, tshuaj synthesis thiab fermentation. Kev tsim cov L-cysteine hauv Suav teb feem ntau yog nyob ntawm hydrolysis ntawm cov plaub hau acid kom rho tawm L-cystine, thiab tom qab ntawd cov tshuaj los yog electrolytic txo L-cystine kom tau L-cysteine. Muaj ob txoj hauv kev ntawm enzymatic synthesis thiab tshuaj synthesis txawv teb chaws. Ntau txoj kev tsim khoom tau piav qhia raws li hauv qab no:
Lub ntsiab tseem ceeb ntawm cov plaub hau (cov plaub hau, plaub hau npua, feather qia) yog keratin, uas yog tsim los ntawm ntau yam n-amino acids, uas L-cov ntsiab lus cysteine yog 12-14. Yog li ntawd, nyob rau hauv kev lag luam, nws yog feem ntau siv hydrolyze plaub hau los tsim L-cystine, thiab ces tau L-cysteine los ntawm electrolytic txo.
Lub hydrolysis ntawm keratin feem ntau siv ob txoj kev: alkali hydrolysis thiab acid hydrolysis. Vim tias txoj kev alkali hydrolysis rhuav tshem cov amino acid tom qab hydrolysis ntawm keratin tiag thiab cov txiaj ntsig qis, ntxiv rau, alkali hydrolysis tseem yuav tsim cov tshuaj tiv thaiv ntawm cov amino acid, yog li cov kua qaub hydrolysis feem ntau yog siv rau kev tsim khoom tam sim no. L-cystine tau los ntawm cov kua qaub hydrolysis yuav tsum tau txo qis ntxiv los ntawm electrolysis lossis tin hmoov kom tau txais L-cysteine.
Xyoo 1997, Lub Tsev Haujlwm Saib Xyuas Chemistry ntawm Sichuan University tau tshaj tawm txoj hauv kev ntawm kev sib xyaw tshuaj lom neeg ntawm L-cysteine raws li "asymmetric synthesis txoj cai". Lub hauv paus ntsiab lus ntawm synthesis yog siv chloroalkanes kom tau cysteine los ntawm cov tshuaj tiv thaiv oxidation, ntxiv cov tshuaj tiv thaiv, txo cov tshuaj tiv thaiv thiab hloov cov tshuaj tiv thaiv. Tus nqi rho tawm ntawm cysteine yog 7.5. Cov tshuaj synthesis ntawm cysteine yuav tsum muaj ntau- cov tshuaj tiv thaiv kab mob los tsim DL hom racemate. Tsuas yog los ntawm cov tshuaj daws teeb meem tuaj yeem tau txais L-cysteine xav tau rau kev sib txuas ntawm L-cysteine intermediates.
Kev tsim cov fermentation tam sim no nyob rau theem ntawm kev tshawb nrhiav, thiab cov khoom loj - tseem raug txwv los ntawm qee yam xwm txheej. Qhov laj thawj tseem ceeb yog tias cov txheej txheem synthesis ntawm L-cysteine hauv cov kab mob yog qhov nyuaj, thiab qhov teeb meem tseem ceeb hauv kev sib txuas yog qhov chaw ntawm SH. Rau feem ntau cov nroj tsuag thiab cov kab mob, ib pawg SH yog los ntawm S (); 1, Txawm li cas los xij, S () j - tuaj yeem txo qis rau qee cov sulfide, uas yog ib qho teeb meem nyuaj uas yuav daws tau hauv kev tsim cov L-cysteine los ntawm fermentation.
Tam sim no, nws tseem tsis tau tshaj tawm tias L-cysteine yog tsim los ntawm fermentation nrog hom tsiaj qus. Txawm li cas los xij, qee cov kws tshawb fawb txawv teb chaws tau kawm txog cov kab ke enzyme thiab tswj cov noob ntawm L-cysteine tsim los ntawm cov kab mob, thiab sim ua kom L-cysteine ferment nrog mutant lossis engineering strain.
Enzymatic synthesis ntawm cov khoom muaj txiaj ntsig, feem ntau kim cov khoom siv tshuaj zoo nkauj, yog tus cwj pwm los ntawm kev ua haujlwm kho qhov muag thiab cov txheej txheem yooj yim, uas yog qhov sib piv rau cov tshuaj synthesis. Nyob rau hauv xyoo tas los no, thev naus laus zis ntawm kev npaj enzymatic ntawm cov amino acids los ntawm cov kab mob tau tsim sai heev.
Genetic engineering technology tau siv dav rau kev txhim kho cov kab mob microbial. Nws tsis tsuas yog nthuav tawm cov kev taw qhia thiab kev nthuav dav ntawm kev txhim kho cov kab mob, tab sis kuj tseem ua rau kev hloov pauv ntawm cov kab mob microbial los ntawm kev hloov pauv tsis paub thiab mutagenesis rau kev hloov pauv.
Nws tsuas yog txhim kho lub peev xwm ntawm cov kab ntau lawm los ntawm cov hauv qab no:
(1) siv polymerase saw cov tshuaj tiv thaiv (PCR) thev naus laus zis los hloov kho cov hom phiaj txhawm rau txhawm rau nce qhov tseem ceeb ntawm cov khoom lag luam noob;
(2) Siv cov neeg txhawb zog muaj zog lossis cov neeg txhawb nqa ywj pheej los txhim kho tus lej hloov pauv ntawm cov hom phiaj;
(3) Cloning lub hom phiaj noob rau hauv tus qauv hom lossis lwm hom kab mob uas yooj yim dua kom tau txais cov khoom lag luam, piv txwv li, hloov lub hom phiaj noob mus rau hauv ib hom kab mob uas tiv taus kev txhim kho substrate kam rau ua lossis tawm tswv yim inhibition ntawm cov khoom;
(4) Cloning ntawm cov noob nquag lossis tshem tawm inhibitory noob uas muaj txiaj ntsig zoo rau kev hloov pauv ntawm lub hom phiaj noob.
kev phiv tshuaj
L-Cysteine yog leej faj- muaj cov amino acid uas tsis tseem ceeb uas muaj nyob hauv cov xwm txheej thiab koom nrog ntau yam txheej txheem metabolic tseem ceeb hauv cov kab mob muaj sia. Txawm hais tias nws muaj ntau yam kev siv hauv cov khoom noj, tshuaj, tshuaj pleev ib ce, thiab lwm yam, kev siv ntau dhau los yog siv tsis raug yuav ua rau muaj kev cuam tshuam tsis zoo:
Cov kev phiv tshuaj muaj feem xyuam rau qhov ncauj tshuaj
Cov tshuaj tiv thaiv digestive
Cov tsos mob tshwm sim:
xeev siab, ntuav, raws plab, mob plab, qhov ncauj qhuav, thiab ua tsis taus pa.
Mechanism:
Cov pab pawg thiol (- SH) ntawm L-Cysteine ua rau khaus thiab tuaj yeem ua rau lub plab zom mov ncaj qha; Kev noj tshuaj ntau dhau tuaj yeem cuam tshuam qhov sib npaug ntawm plab microbiota thiab ua rau raws plab.
Cov lus qhia:
Thawj koob tshuaj yuav tsum tau muab txiav ib nrab thiab maj mam nce mus rau qhov pom zoo (feem ntau yog 500-1000mg ib hnub). Noj nrog zaub mov los yog tam sim tom qab noj mov kom txo tau txoj hnyuv plab.
Kev ua xua
Cov tsos mob tshwm sim:
Pruritus, pob khaus, urticaria, lub ntsej muag tawm, ua pa nyuaj, thiab tsis tshua muaj anaphylactic shock.
Mechanism:
L-Cysteine tuaj yeem ua raws li hapten, khi nrog cov proteins hauv lub cev los tsim cov antigen ua tiav, ua rau lub cev tiv thaiv kab mob.
Cov lus qhia:
Ua ib qho kev kuaj tawv nqaij prick lossis ntshav kuaj IgE ua ntej siv thawj zaug.
Tsis txhob noj tshuaj tam sim ntawd yog tias cov tsos mob ua xua tshwm sim thiab nrhiav kev kho mob rau kev tiv thaiv kev ua xua. Cov neeg uas muaj kev fab tshuaj yuav tsum siv ceev faj.
Cov teeb meem metabolic thiab electrolyte
Cov tsos mob tshwm sim:
Acidosis, hypokalemia, hyperammonemia (tsis tshua muaj).
Mechanism:
L-Cysteine metabolism ua rau sulfates, thiab kev noj ntau dhau tuaj yeem ua rau lub raum hnyav, ua rau metabolic acidosis. Kev noj ntau ntawm NAC tuaj yeem txhawb kev hloov pauv ntawm cov poov tshuaj ions rau hauv cov hlwb, ua rau hypokalemia.
Cov lus qhia:
Cov neeg mob lub raum tsis txaus yuav tsum tsis txhob siv siab - koob tshuaj L-Cysteine . Cov neeg siv sijhawm ntev yuav tsum tau saib xyuas lawv cov ntshav potassium, ntshav ammonia, thiab cov kua qaub- puag ncig. Cov neeg mob uas muaj lub siab ua haujlwm tsis zoo yuav tsum siv nws raws li kev qhia ntawm tus kws kho mob.
Cov neeg mob uas muaj daim siab ua haujlwm tsis zool-cysteine hmoovmetabolism thiab ammonia txuam nrog ua rau hyperammonemia.
Neurological teb
Cov tsos mob tshwm sim:
Mob taub hau, kiv taub hau, tsaug zog, insomnia, ntxhov siab vim (kev tsis sib haum xeeb).
Mechanism:
L-Cysteine tuaj yeem ua rau cov tsos mob hauv nruab nrab ntawm lub paj hlwb los ntawm kev cuam tshuam glutamate metabolism, cuam tshuam cov paj hlwb.
Cov lus qhia:
Tsis txhob noj ua ntej yuav mus pw kom tsis txhob cuam tshuam kev pw tsaug zog.
Yog tias cov tsos mob tshwm sim, nws yuav tsum tau soj ntsuam seb puas muaj kev cuam tshuam nrog lwm cov tshuaj (xws li tshuaj tiv thaiv kev nyuaj siab). Cov neeg siv sijhawm ntev yuav tsum tau soj ntsuam kev ua haujlwm ntawm lub paj hlwb tsis tu ncua.
Cov lus nug nquag
Leej twg yuav tsum tsis txhob noj L-cysteine?
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Cev xeeb tub thiab pub niam mis: Kev nyab xeeb ntawm L-Cysteine supplementation thaum cev xeeb tub thiab pub niam mis tsis zoo- tsim. Yog li, nws feem ntau pom zoo kom tsis txhob siv nws thaum lub sijhawm no tshwj tsis yog tus kws kho mob tau sau tseg.
Cov zaub mov twg muaj L-cystine siab?
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Nws muaj ntau dua nyob rau hauv tsiaj thiab cereal proteins dua li cov proteins legume . 6 Cov zaub mov uas muaj cysteine muaj xws linqaij qaib, qe, nqaij nyuj, thiab tag nrho cov nplej.
Dab tsi yog cov cim qhia ntawm L-cysteine deficiency?
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Cov tsos mob tsis txaus:
Cysteine deficiency pom los ntawm cov kab mob metabolic los yog txo qis hauv cov kua hauv lub cev tau cuam tshuam nrog: 1)impaired antioxidant tiv thaiv; 2) txo qis peev xwm los metabolize tshuaj los yog tshuaj lom; 3) kev nyuaj siab lub cev tsis muaj zog; 4) ib co psycoses; thiab 5) homocystinemia.
Puas yog cysteine ua rau qhov hnyav nce?
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Kev noj zaub mov cystine ua rau txo qis metabolic. Raws li qhov no, kev noj haus cyst(e) inence qhov hnyav nce hauv lub ntsej muag ntawm kev txo qis [18] lossis tsis hloov [17] noj zaub mov, qhia tias cysteine cuam tshuam rau lub zog siv hluav taws xob ntawm lub zog sib npaug.
Yuav ua li cas kom tau L-cysteine lawm?
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Cysteine muaj nyob hauv ntau cov khoom noj muaj protein ntau, suav nrog nqaij, khoom noj siv mis, legumes, thiab txiv ntoo. Lub cev kuj tuaj yeem tsim nws tus kheej cysteine, los ntawmhloov cov amino acid methionine rau cysteine- ib qho txheej txheem uas tshwm sim hauv lub siab.
Cim npe nrov: l-cysteine hmoov cas 52-90-4, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom