ascorbic acid Granular
Vitamin C, kuj hu ua ascorbic acid thiab L-ascorbic acid, yog ib tug vitamin pom nyob rau hauv cov zaub mov thiab siv raws li ib tug noj haus ntxiv. Raws li ib tug ntxiv nws yog siv los kho thiab tiv thaiv kom txhob scurvy. Pov thawj tsis pab txhawb kev siv nyob rau hauv lub dav dav pejxeem rau kev tiv thaiv ntawm tus mob khaub thuas.
KHOOM | KEV |
tsos | Dawb los yog yuav luag dawb siv lead ua los yog crystalline hmoov |
Identification | zoo |
melting point | 191 ℃ ~ 192 ℃ |
pH (5%, w / v) | 2.2 ~ 2.5 |
pH (2%, w / v) | 2.4 ~ 2.8 |
Kev kho qhov muag sib hloov | + 20.5 ° ~ + 21.5 ° |
Clarity ntawm cov tshuaj | Clear |
Heavy hlau | = <0,0003% |
Tshuaj ntsuam (raws li C 6H 8O6,%) | 99,0 ~ 100,5 |
Tooj | = <3 mg / kg |
Hlau | = <2 mg / kg |
mercury | = <1 mg / kg |
arsenic | = <2 mg / kg |
Lead | = <2 mg / kg |
Oxalic acid | = <0.2% |
Poob rau kom qhuav | = <0.1% |
Sulphated tshauv | = <0.1% |
Qhov seem kuab tshuaj (raws li methanol) | = <500 mg / kg |
Tag nrho cov phaj count (CFU / g) | = <1000 |
Yeasts & pwm (CFU / g) | = <100 |
Escherichia. Coli / g | qhaj ntawv |
Salmonella / 25g | qhaj ntawv |
Staphylococcus aureus / 25g | qhaj ntawv |
【Introduction】 ascorbic acid (vitamin C) tsis yog zoo sau tseg. Tsis muaj xws li Internal thiab sab nraud hemorrhages, txo cov pob txha collagen, sab puab tsaig yaig, anemia, yam ntxwv deformities, tis ntses yaig, yog qhov khoov pob (bent-rov qab), cov neeg pluag kev loj hlob, mortalities etc.