O QUE SIGNIFICA HYDROXY ACID EM INGLÊS
Alfa hidroxi ácido
A-hidroxiácidos ou alfa-hidroxiácidos são uma classe de compostos químicos que consistem em um ácido carboxílico substituído com um grupo hidroxilo no carbono adjacente. Eles podem ser naturais ou sintéticos. AHAs são bem conhecidos por seu uso na indústria de cosméticos. Eles são freqüentemente encontrados em produtos que afirmam reduzir as rugas ou os sinais de envelhecimento e melhorar a aparência geral da pele. Eles também são usados como cascas químicas disponíveis no escritório de um dermatologista, spas de beleza e saúde e kits de casa, que geralmente contêm uma menor concentração de cerca de 4%. Embora a sua eficácia esteja documentada, vários produtos cosméticos apareceram no mercado com alegações de desempenho infundadas. Muitos ácidos α-hidroxi bem conhecidos são blocos de construção úteis na síntese orgânica: os mais comuns e simples são o ácido glicólico, ácido lático, ácido cítrico, ácido mandélico.
definição de hydroxy acid no dicionário inglês
A definição de hidroxiácido no dicionário é qualquer ácido, como ácido sulfúrico, contendo grupos hidroxilo nas suas moléculas. Outra definição de ácido hidroxi é qualquer uma de uma classe de ácidos carboxílicos que contenham tanto um grupo hidroxilo e um grupo carboxilo nas suas moléculas.
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10 LIVROS EM INGLÊS RELACIONADOS COM «HYDROXY ACID»
Descubra o uso de
hydroxy acid na seguinte seleção bibliográfica. Livros relacionados com
hydroxy acid e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Liquid Chromatography-Mass Spectrometry, Third Edition
response of simvastatin in the positive-ion mode without detrimental effect on the
response of the $-hydroxy acid in the negative-ion mode [48]. Fragmentation of [
M+Na]+ of simvastatin in MS–MS results in the loss of the ester chain, e.g., the ...
Wilfried M.A. Niessen,
2006
2
Biopolymers: Reuse, Recycling, and Disposal
Proteins and other polypeptides are derived from this monomer after the loss of
water. a-Hydroxy acid or 2-Hydroxy acid: Organic compound that consists of a
carboxylic acid functional group substituted with a hydroxyl functional group on
the ...
3
Food Lipids: Chemistry, Nutrition, and Biotechnology, Third ...
A fatty acid with a hydroxy sub- stituent in the A2 position is commonly called an a
-hydroxy acid; fatty acids with hydroxy substituents in the A3 and A4 positions are
called (3-hydroxy acids and 7-hydroxy acids, respectively. Some common ...
Casimir C. Akoh, David B. Min,
2008
4
Langenscheidt Routledge German Dictionary of Chemistry and ...
3-Hydroxybutanal Hydroxycarbonsaure / hydroxycarboxylic acid, hydroxy acid 3-
Hydroxycarbonsaure f 3-hydroxycarboxylic acid, p-hydroxycarboxylic acid, p-
hydroxy acid Hydroxychinolin n hydroxyquinoline Hydroxydinitrobenzen n (bioch
) ...
Technische Universität Dresden,
1997
Table 2-6 Types of hydroxy acid α-Hydroxy acids β-Hydroxy acids Poly-hydroxy
acids Glycolic acid Salicylic acid Gluconic acid Lactic acid β-Lipohydroxy acid (β-
LHA) Lactobionic acid Tartaric acid Tropic acid Galactose Citric acid Table 2-7 ...
Murad Alam, Hayes B. Gladstone, Rebecca C. Tung,
2009
Relative acid strength and pKa of AHA, beta hydroxy acid (BHA), and poly
hydroxy acid (PHA) are shown in Table 1. For those compounds containing two
or more carboxyl groups such as malic acid, tartaric acid, tartronic acid, and citric
acid, ...
Ronald Moy, Debra Luftman, Lenore S. Kakita,
2002
7
Growing Younger: Breakthrough Age-defying Secrets for Women
Once a day, you simply apply two to three pea-size "BETA" THAN ALPHA
HYDROXYS? lf your skin stings and burns when you use products containing
glycolic acid, which is an alpha hydroxy acid (AHA), try a kinder, gentler wrinkle
fighter: ...
Bridget Doherty, Julia VanTine,
2001
8
Microlithography/Molecular Imprinting
In this application the anhydride was converted to y-hydroxy acid using NaBH4,
with concomitant formation of Y-lactone (Fig. 132). The y-hydroxy acid moiety
undergoes acid-catalyzed intramolecular esterification (ring-closure) lo form ...
Hiroshi Ito, Jean Daniel Marty, Monique Mauzac,
2005
9
Routledge German Dictionary of Chemistry and Chemical ...
3-Hydroxybutanal Hydroxycarbonsaure / hydroxycarboxylic acid, hydroxy acid 3-
Hydroxycarbonsaure f 3-hydroxycarboxylic acid, p-hydroxycarboxylic acid, (3-
hydroxy acid Hydroxychinolin n hydroxyquinoline Hydroxydinitrobenzen n (bioch
) ...
Technische Universitat Dreden,
2014
10
Aesthetics and Cosmetic Surgery for Darker Skin Types
racial ethnic groups, populations at greater risk for post- peel complications.
Similar precautions should be taken in acne patients with darker skin types (V
and VI). Topical alpha hydroxy acid or polyhydroxy acid formulations can also be
used ...
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «HYDROXY ACID»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
hydroxy acid no contexto das seguintes notícias.
7 Foot Masks to Maximize the Cold, Wet Climate
The ingredients in peeling masks usually contain high doses of alcohol, salicylic acid, lactic acid, alpha hydroxy acid, beta hydroxy acid, and ... «Inquirer.net, jul 15»
Top Tips for Faking a Tan Without Frying Your Wallet
... salicylic acid, alpha hydroxy acid or urea. Apply body lotion. This helps prevent an uneven sunless tan that's darker on areas of rougher skin. «Money Talks News, jul 15»
6 Things You Need to Do to Get Flawless Skin This Winter
Instead, consider a lactic acid peel. Lactic acid is a beta hydroxy acid (or BHA) that not only removes dead cells, but also holds water within the skin. It is one of ... «PopSugar Australia, jul 15»
Are you immune to your beauty products?
Similarly, regularly switching between Vitamin A and alpha-hydroxy acid products may help collagen improvement of the skin by different ... «Cosmopolitan, jul 15»
Going Natural? Why You Should Wash Your Hair With Apple Cider …
It is packed with alpha-hydroxy acid, and by washing your hair using this method you will remove any buildups from your favorite styling ... «Information Nigeria, jun 15»
Product watch: skincare treatments
Daily use of a gentle Beta Hydroxy Acid gel after your toner can whisk away those dead cells, refine pores and help to control excess oil. «Irish Examiner, jun 15»
Wash Your Face With Yogurt And Your Skin Will Thank You (Plus …
The lactic acid is a naturally occurring alpha hydroxy acid that acts as an exfoliator, the active bacteria cultures help balance the bacterial situation on your ... «Bustle, jun 15»
Dubai company working on range of camel milk skin care products
... skin, which is not surprising given that the milk contains lactic acid, a type of alpha hydroxy acid (AHA), that helps soften and smooth the skin. «The National, jun 15»
The ABC's of Skincare
A naturally-occurring alpha hydroxy acid derived from the fermented sugars of citrus fruits. Citric acid helps speed up cell turnover and renewal. «Essence.com, jun 15»
7 Embarrassing Foot Problems — and How to Fix Them
Soften down thick skin by using a urea-based cream or alpha-hydroxy acid, says Gohara. Use these daily on your feet in order to prevent ... «GoodHousekeeping.com, mai 15»