Vitamin C (Ascorbic Acid) Cas: 50-81-7
Lambar Catalog | XD91869 |
Sunan samfur | Vitamin C (ascorbic acid) |
CAS | 50-81-7 |
Tsarin kwayoyin halittala | C6H8O6 |
Nauyin Kwayoyin Halitta | 176.12 |
Bayanin Ajiya | 5-30 ° C |
Harmonized Tariff Code | 29362700 |
Ƙayyadaddun samfur
Bayyanar | Farin foda |
Asay | 99% min |
Wurin narkewa | 190-194 ° C (daga.) |
alfa | 20.5º (c=10,H2O) |
Wurin tafasa | 227.71°C |
yawa | 1.65 g/cm 3 |
refractive index | 21 ° (C=10, H2O) |
narkewa | H2O: 50 mg/ml a 20 °C, bayyananne, kusan mara launi |
pka | 4.04, 11.7 (a 25 ℃) |
PH | 1.0 - 2.5 (25 ℃, 176g/L cikin ruwa) |
Farashin PH | 1-2.5 |
wari | Mara wari |
aikin gani | [α] 25/D 19.0 zuwa 23.0°, c = 10% a cikin H2O |
Ruwan Solubility | 333g/L (20ºC) |
Kwanciyar hankali | Barga.Maiyuwa ya zama mai rauni mai rauni ko iska.Wanda bai dace ba tare da jami'an oxidizing, alkali, ƙarfe, jan ƙarfe. |
Mafarin haɓakar bitamin C shine zaɓin oxidation na fili na sukari D-sorbit zuwa L-sorbose ta amfani da ƙwayoyin cuta na Acetobacter suboxidans.L-sorbose kuma ana canza shi zuwa L-ascorbic acid, wanda aka fi sani da bitamin C.
Sodium, potassium, da calcium salts na ascorbic acid ana kiran su ascorbates kuma ana amfani da su azaman kayan abinci.Don yin ascorbic acid mai-mai narkewa, za'a iya yayyafa shi.Esters na ascorbic acid da acid, irin su palmitic acid don samar da ascorbyl palmitate da stearic acid don samar da ascorbic stearate, ana amfani da su azaman antioxidants a cikin abinci, magunguna, da kayan shafawa.Ascorbic acid kuma yana da mahimmanci a cikin metabolism na wasu amino acid.Yana taimakawa kare kwayoyin halitta daga lalacewa mai lalacewa, yana taimakawa shayar baƙin ƙarfe, kuma yana da mahimmanci ga yawancin matakai na rayuwa.
Vitamin C sanannen anti-oxidant ne.Tasirin sa akan samuwar radical lokacin da aka shafa fata ta hanyar cream ba a bayyana karara ba.An yi tambaya game da tasirin aikace-aikacen da ake amfani da shi saboda rashin kwanciyar hankali na bitamin C (yana amsawa da ruwa da raguwa).Wasu nau'ikan an ce sun sami kwanciyar hankali a tsarin ruwa.Abubuwan analogues na roba irin su magnesium ascorbyl phosphate suna cikin waɗanda ake ganin sun fi tasiri, saboda suna da ƙarfi sosai.Lokacin da aka kimanta ikonsa na yaki da lalacewa mai lalacewa a cikin hasken tasirin sa tare da bitamin e, bitamin C yana haskakawa.Kamar yadda bitamin e ke amsawa tare da free radical, shi, bi da bi, ya lalace ta hanyar free radical da yake fada.Vitamin C yana zuwa don gyara lalacewar da ke cikin bitamin e, yana ba da damar e ya ci gaba da ayyukan sa na ɓarna.Binciken da aka yi a baya ya nuna cewa yawan adadin bitamin C da ake amfani da shi a zahiri yana da kariya, kuma a bayyane yake shirye-shiryen bitamin da aka yi amfani da su a cikin waɗannan binciken sun yi tsayayya da sabulu da ruwa, wankewa, ko shafa na kwana uku.Ƙarin bincike na yanzu ya nuna cewa bitamin C yana ƙara kariya daga lalacewar uVB idan aka haɗe shi da sinadarai na uVB.Wannan zai sa mutum ya ƙarasa da cewa a haɗe tare da na'urori na yau da kullun, bitamin C na iya ba da damar dawwama, mafi fa'ida kariya ta rana.Bugu da ƙari, haɗin kai tsakanin bitamin C da e na iya haifar da sakamako mafi kyau, kamar yadda a fili hadewar duka biyu yana ba da kariya mai kyau daga lalacewar uVB.Duk da haka, bitamin C ya bayyana ya fi e mahimmanci don kare kariya daga lalacewar uVA.Ƙaddamarwa ita ce haɗuwa da bitamin C, e, da kuma sunscreen yana ba da kariya mafi girma fiye da jimlar kariyar da kowane nau'in sinadirai guda uku ke bayarwa shi kaɗai.Vitamin C kuma yana aiki azaman mai sarrafa biosynthesis na collagen.An san shi don sarrafa abubuwan colloidal na intercellular kamar collagen, kuma lokacin da aka tsara su cikin motocin da suka dace, na iya samun tasirin walƙiya na fata.An ce Vitamin C zai iya taimaka wa jiki ya yi ƙarfi daga cututtuka masu yaduwa ta hanyar ƙarfafa tsarin rigakafi.Akwai wasu shaidun (ko da yake ana muhawara) cewa bitamin C na iya wucewa ta cikin yadudduka na fata kuma ya inganta warkaswa a cikin nama da ya lalace ta hanyar konewa ko rauni.Ana samun shi, don haka, a cikin man shafawa da man shafawa da ake amfani da su don abrasions.Vitamin C kuma ya shahara a cikin kayayyakin rigakafin tsufa.Binciken na yanzu yana nuna yiwuwar kaddarorin anti-inflammatory kuma.
Physiological antioxidant.Coenzyme don yawan halayen hydroxylation;da ake buƙata don haɓakar collagen.Yadu a cikin tsire-tsire da dabbobi.Rashin wadataccen abinci yana haifar da rashin lafiya kamar scurvy.Ana amfani dashi azaman antimicrobial da antioxidant a cikin kayan abinci.