Vitamin C a cikin samfuran kula da fata: me yasa ya shahara sosai?

1. Abubuwan da ke tattare da bitamin C:
1) Antioxidant
Lokacin da fatar jiki ta motsa ta hanyar fitowar rana (ultraviolet radiation) ko gurɓataccen muhalli, ana haifar da adadi mai yawa na free radicals. Fatar jiki ta dogara da tsarin hadadden tsarin enzyme da wadanda ba enzyme antioxidants don kare kanta daga lalacewa mai lalacewa.
VC shine mafi yawan antioxidant a cikin fata na ɗan adam, yana amfani da yanayinsa mai oxidizable sosai don maye gurbin wasu abubuwa da kare su daga iskar oxygen. A wasu kalmomi, VC ta sadaukar da kanta don magancewa da kawar da radicals kyauta, don haka kare fata.

2) Hana samar da sinadarin melanin
VC da abubuwan da suka samo asali na iya tsoma baki tare da tyrosinase, rage yawan juzu'in tyrosinase, da rage samar da melanin. Baya ga hana tyrosinase, VC kuma na iya yin aiki azaman wakili mai rage melanin da matsakaicin samfurin melanin, dopaquinone, rage baƙar fata zuwa mara launi da cimma tasirin fari. Vitamin C shine mai lafiya da tasiri mai fata fata.

3) Kariyar fata

VC yana shiga cikin haɗakar collagen da mucopolysaccharides, yana inganta warkar da raunuka, yana hana kunar rana, kuma yana guje wa abubuwan da suka bar ta hanyar hasken rana mai yawa. A lokaci guda, bitamin C yana da kyawawan kaddarorin antioxidant kuma yana iya kamawa da kawar da radicals kyauta a cikin fata, yana hana lalacewa daga haskoki na ultraviolet. Sabili da haka, ana kiran bitamin C "sunscreen intradermal". Ko da yake ba zai iya sha ko toshe hasken ultraviolet ba, yana iya haifar da sakamako mai kariya daga lalacewar ultraviolet a cikin dermis. Tasirin kare rana na ƙara VC ya dogara ne akan kimiyya ~

4) Haɓaka haɗin collagen

Rashin collagen da elastin na iya haifar da fatar jikinmu ta zama ƙasa mai laushi kuma ta fuskanci al'amuran tsufa kamar layi mai kyau.

Babban bambanci tsakanin collagen da furotin na yau da kullun shine cewa ya ƙunshi hydroxyproline da hydroxylysine. Haɗin waɗannan amino acid guda biyu yana buƙatar shigar da bitamin C.
A hydroxylation na proline a lokacin kira na collagen bukatar sa hannu na bitamin C, don haka bitamin C rashi hana al'ada kira na collagen, kai ga salon salula connectivity cuta.

5) Gyara shingaye da suka lalace don inganta warkar da raunuka

Vitamin C na iya haɓaka bambance-bambancen keratinocytes, haɓaka aikin shinge na epidermal, kuma yana taimakawa sake gina layin epidermal. Don haka bitamin C yana da tasiri mai kyau akan shingen fata.

Wannan kuma shine dalilin da ya sa daya daga cikin alamun rashin wannan sinadari shine rashin warkar da raunuka.

6) Anti kumburi

Vitamin C kuma yana da kyakkyawan sakamako na antibacterial da anti-mai kumburi, wanda zai iya rage ayyukan abubuwan da aka rubuta na cytokines masu kumburi daban-daban. Don haka, likitocin fata suna amfani da bitamin C sau da yawa don magance cututtukan fata masu kumburi kamar kuraje.

2, Menene nau'ikan bitamin C daban-daban?
Ana kiran bitamin C mai tsabta L-ascorbic acid (L-AA). Wannan shine mafi girman nau'in bitamin C mafi aiki da nazarin halittu. Duk da haka, wannan nau'in yana saurin yin oxidize kuma ya zama mara aiki a ƙarƙashin iska, zafi, haske, ko matsanancin yanayin pH. Masana kimiyya sun daidaita L-AA ta hanyar hada shi da bitamin E da kuma ferulic acid don amfani da kayan shafawa. Akwai da yawa wasu dabaru na bitamin C, ciki har da 3-0 ethyl ascorbic acid, ascorbate glucoside, magnesium da sodium ascorbate phosphate, tetrahexyl decanol ascorbate, ascorbate tetraisopropylpalmitate, da ascorbate palmitate. Wadannan abubuwan da aka samo ba su da tsabtataccen bitamin C, amma an gyara su don haɓaka kwanciyar hankali da juriya na kwayoyin ascorbic acid. Dangane da inganci, yawancin waɗannan dabarun suna da bayanai masu karo da juna ko suna buƙatar ƙarin bincike don tabbatar da ingancinsu. L-ascorbic acid, tetrahexyl decanol ascorbate, da ascorbate tetraisopalmitate da aka daidaita tare da bitamin E da ferulic acid suna da mafi yawan bayanan da ke tallafawa amfani da su.