Qhov sib txawv tseem ceeb ntawm AHA thiab retinol yog tias AHA muaj pawg carboxylic acid hloov nrog ib pawg hydroxyl ntawm cov pa roj carbon uas nyob ib sab hos cov retinol tsis muaj carboxylic acid pawg.
AHA yog hais txog alpha hydroxy acids. AHA yog ib qho tseem ceeb ntawm cov khoom tu tawv nqaij rau exfoliation ntawm daim tawv nqaij. Ntxiv mus, qhov no yog qhov tseem ceeb ntawm kev siv AHA. Yog li ntawd, cov tebchaw no tau paub zoo hauv kev lag luam tshuaj pleev ib ce. Retinol yog lwm lub npe rau vitamin A1. Nws tshwm sim hauv cov zaub mov ib txwm muaj. Ntxiv mus, peb tuaj yeem siv nws ua cov khoom noj ntxiv thiab.
AHA yog dab tsi?
AHA yog hais txog alpha hydroxy acid. Lub npe no muab tau raws li cov qauv tshuaj ntawm cov tshuaj. Nws muaj pawg carboxylic acid hloov nrog ib pawg hydroxyl ntawm cov pa roj carbon uas nyob ib sab (alpha carbon). Peb tuaj yeem pom cov khoom sib txuas no ib txwm ua los yog hluavtaws. Kev siv loj ntawm cov tshuaj no yog nyob rau hauv kev lag luam tshuaj pleev ib ce; feem ntau yog nyob rau hauv kev tsim khoom ntawm cov khoom tu tawv nqaij. Nws tuaj yeem txo qhov wrinkles los ntawm exfoliation thiab tuaj yeem ua rau cov kab muaj zog los txhim kho qhov zoo ntawm daim tawv nqaij. Muaj qee qhov lwm yam kev siv thiab. Piv txwv li, peb tuaj yeem siv nws ua lub tsev thaiv rau cov organic synthesis ntawm aldehydes los ntawm oxidative cleavage.
Daim duab 01: Alpha-hydroxyglutaric Acid
Thaum xav txog cov qauv tshuaj ntawm cov khoom sib xyaw no, muaj cov hydrogen muaj zog ntawm pawg carboxylic acid thiab hydroxyl pawg (nruab nrab ntawm hydrogen ntawm pawg hydroxyl thiab oxygen ntawm pawg carboxylic acid). Yog li ntawd, peb hu nws nyob rau hauv hydrogen daim ntawv cog lus (nruab nrab ntawm ob atoms ntawm tib molecule). Qhov no ua rau cov kua qaub ntau dua li qhov xav tau vim tias cov nyiaj hauv hydrogen ua rau cov proton hauv pawg carboxylic acid tsis tshua muaj zog.
YRetinol yog dab tsi?
Retinol yog lwm lub npe rau vitamin A1. Nws yog ib qho tseem ceeb ntawm cov vitamin uas peb tuaj yeem pom hauv ntau yam khoom noj. Tsis tas li ntawd, peb tuaj yeem siv nws los ua kev noj zaub mov kom tsis txhob muaj vitamin A. Txoj kev ntawm kev tswj hwm ntawm cov vitamin no yog los ntawm lub qhov ncauj. Cov tshuaj formula ntawm no compound yog C20H30O, thiab molar mass yog 286.45 g / mol. Muaj ntau yam kev kho mob siv cov tshuaj no ua tshuaj.
Daim duab 02: Cov Qauv Tshuaj ntawm Retinol
Ntxiv nrog rau kev kho cov vitamin A tsis txaus, peb tuaj yeem siv qhov no los ua tshuaj tiv thaiv ntxiv rau cov neeg mob qhua pias. Txawm li cas los xij, muaj qee qhov kev mob tshwm sim ntawm qhov sib xyaw no thiab; Cov koob tshuaj ntau yuav ua rau lub siab loj, tawv nqaij qhuav thiab hypervitaminosis A. Thaum cev xeeb tub, koob tshuaj ntau yuav ua mob rau tus menyuam. Txawm li cas los xij, cov tshuaj no muaj ntau yam txiaj ntsig hauv peb lub cev; Peb xav tau nws kom pom qhov muag zoo dua, rau kev saib xyuas ntawm daim tawv nqaij, thiab lwm yam.
Qhov txawv ntawm AHA thiab Retinol yog dab tsi?
Lo lus AHA yog hais txog alpha hydroxyl acid. Nws muaj pawg carboxylic acid hloov nrog ib pawg hydroxyl ntawm cov pa roj carbon uas nyob ib sab (alpha carbon). Tsis tas li ntawd, muaj ib qho kev sib koom ua ke nrog hydrogen hauv qhov sib xyaw ua ke uas ua rau nws muaj kua qaub ntau dua li qhov xav tau. Muaj ntau qhov kev siv ntawm qhov sib xyaw no hauv kev lag luam tshuaj pleev ib ce. Retinol yog lwm lub npe rau vitamin A1. Nws muaj ib pawg hydroxyl, tab sis tsis muaj carboxylic acid pawg. Qhov no yog qhov txawv ntawm AHA thiab Retinol. Tsis tas li ntawd, nws tsis muaj kev sib txuas nrog hydrogen; Yog li, nws yog comparatively tsawg acidic. Peb siv cov tshuaj no ua tshuaj los kho cov vitamin A tsis txaus.
Summary – AHA vs Retinol
AHA yog hais txog alpha hydroxy acid. Retinol yog vitamin A1. Qhov sib txawv ntawm AHA thiab retinol yog tias AHA muaj cov pab pawg carboxylic acid hloov nrog ib pawg hydroxyl ntawm cov pa roj carbon uas nyob ib sab hos cov retinol tsis muaj carboxylic acid pawg.
