●Gịnị bụ Vitamin A acetate?
Retinyl Acetate, aha kemịkal retinol acetate, usoro molecular C22H30O3, CAS nọmba 127-47-9, bụ ihe esterified nke vitamin A. E jiri ya tụnyere vitamin A mmanya, ọ enhances nkwụsi ike site esterification mmeghachi omume na-ezere oxidative decomposition, na-aghọ ihe dị mkpa akụrụngwa na ubi nke nri, ọgwụ na cosme.
A na-ahụkarị vitamin A na imeju anụmanụ na azụ, mana mmepụta nke ụlọ ọrụ na-anabatakarị njikọ kemịkalụ, dị ka iji β-ionone dị ka ihe mmalite na ịkwadebe ya site na mmeghachi omume ikuku nke Wittig. N'ime afọ ndị na-adịbeghị anya, teknụzụ nkwadebe akwụkwọ ndụ akwụkwọ ndụ dị ka ultrasound-emezigharị interfacial enzyme catalysis apụtala, na-emeziwanye arụmọrụ mmeghachi omume na ibelata mmetọ, na-aghọ ụzọ isi maka nkwalite teknụzụ ụlọ ọrụ.
Vitamin A acetatebụ ntụ ntụ kristal na-acha ọcha na-acha odo odo ma ọ bụ mmiri mmiri viscous nwere ebe mgbaze nke 57-58°C, ebe na-esi nri nke ihe dịka 440.5°C, njupụta nke 1.019 g/cm³, yana ntughari ntụgharị nke 1.547-1.555. Ọ nwere oke abụba solubility na ọ dị mfe soluble na organic solvents dị ka ethanol na ether, ma nwere ogbenye mmiri solubility, na kwesịrị ka microencapsulated iji melite ya dispersibility na nri.
N'ihe gbasara nkwụsi ike, vitamin A acetate na-enwe mmetụta nke ìhè, okpomọkụ na oxygen, ọ dịkwa mkpa ka echekwa ya pụọ na ìhè (2-8 Celsius C), na-agbakwunye antioxidants dị ka BHT iji gbasaa ndụ ndụ. Bioavailability ya dị elu dị ka 80% -90%, a na-atụgharị ya na retinol site na enzymatic hydrolysis n'ime ahụ ma na-ekere òkè na metabolism physiological.
● Gịnị Bụ Uru ỌbaraVitamin A acetate?
1. Ọhụụ na Usoro mgbochi
Dị ka ụdị vitamin A na-arụ ọrụ, ọ na-ekere òkè na nhazi ọhụụ site n'ịgbanwe na retina, na-egbochi kpuru abalị na ọrịa anya nkụ. N'otu oge ahụ, ọ na-eme ka ọrụ mgbochi nke mkpụrụ ndụ epithelial dịkwuo elu ma na-ebelata ohere nke ọrịa iku ume. Nnwale ụlọọgwụ egosila na ọ nwere ike melite mgbochi ụmụaka site na 30%.
2. Skin mgbochi ịka nká na mmezi
Na-egbochi ịba ụba nke keratinocytes, na-akwalite njikọ nke collagen, ma na-ebelata ịdị omimi nke wrinkle site na 40%. Ịgbakwunye 0.1%-1% itinye uche na ihe ịchọ mma nwere ike imeziwanye fotoaging na ihe otutu. Dịka ọmụmaatụ, Lancome's Absolue series ude na-eji nke a dị ka isi ihe na-egbochi ịka nká.
3. Metabolism na Ọrịa Adjuvant Ọgwụgwọ
Na-edozi metabolism lipid ma na-ebelata ọkwa cholesterol. Nnwale ụmụ anụmanụ egosila na ọ nwere ike igbu oge n'ọganihu nke ọrịa imeju abụba na-adịghị egbu egbu. Na mgbakwunye, na ọgwụgwọ adjuvant cancer, ọ na-egosi uru ngwa nwere ike ime site n'ime ka apoptosis tumor cell.
●Kedu ihe bụ ngwa nke Vitamin A acetate ?
1. Ihe oriri na ihe oriri na-edozi ahụ
Dịka nkwalite vitamin A, a na-eji ya na ngwaahịa mmiri ara ehi, mmanụ oriri na usoro ụmụaka. Teknụzụ Microencapsulation na-eme ka nkwụsi ike ya n'oge nhazi. Ihe a na-achọ kwa afọ zuru ụwa ọnụ karịrị tọn 50,000, na ọnụ ahịa ahịa China na-atụ anya iru US $ 226.7 nde na 2030.
2. Ihe ịchọ mma na nlekọta onwe onye
agbakwunyerevitamin a acetatena essences mgbochi ịka nká, sunscreens na conditioners, dị ka SkinCeuticals moisturizing ude, ọ bụ maka 5% -15%, ma nwee ma moisturizing na ìhè nchebe ọrụ. A na-ahọrọ retinol palmitate nke sitere na ya maka akpụkpọ anụ ahụ dị nro n'ihi ịdị nwayọọ ya.
3. Nkwadebe ọgwụ
A na-eji agwọ ụkọ vitamin A na ọrịa anụ ahụ (dị ka psoriasis), usoro onunu bụ 5000-10000 mba ụwa kwa ụbọchị. A na-emepụta sistemu nnyefe ezubere iche (dị ka liposomes) iji melite arụmọrụ.
4. Nnyocha nke Ubi na-apụta
Na aquaculture, a na-eji ya dị ka ihe mgbakwunye nri iji welie ihe mgbochi azụ; N'ihe gbasara nchekwa gburugburu ebe obibi, a na-amụ biodegradability ya iji mepụta ihe nkwakọ ngwaahịa na-adịgide adịgide.
●Nnweta NEWGREENVitamin A acetateNtụ ntụ
Oge nzipu: Mee-21-2025
