Results 251 to 260 of about 80,218 (306)

<i>Inonotus obliquus</i> Crude Melanin Ameliorates DSS-Induced Colitis with Modulation of Gut Microbiota and Neutrophil pro-NETotic Activation. [PDF]

Nutrients
Yuan H, Liu Y, Wang X, Yang Z, Wu C, Yang F, Li Q.   +6 more
europepmc   +1 more source

A Safe Natural Alternative to Phenylthiourea: Ethyl Acetate Extract of <i>Alchemilla vulgaris</i> for Zebrafish Embryo Depigmentation. [PDF]

Pharmaceuticals (Basel)
Khan MF, Wadaan MA.
europepmc   +1 more source

Passion Fruit Seed Oil as a Natural Tyrosinase Inhibitor: Extraction Optimization, Multi-Mechanism Elucidation, and Efficacy Validation in Zebrafish. [PDF]

Foods
Li J, Tao Z, Guo Q, Zhang Y, Zhang J, Deng Y, Wu K, Yu H, Chai X, Jiang Y, He D, Liu X, Duan X, Liu J.   +13 more
europepmc   +1 more source

Enhanced Whitening Effect of the Formulations via Inhibition of Tyrosinase Activity by Combination of 4-n-Butylresorcinol, Licochalcone A and Glabridin at an Optimal Ratio. [PDF]

Skin Res Technol
Zhang T, Wang Y, Xu Y, Liu Y, Zhuang B, Zhang X, Liao C, Liu W, Ma Y.   +8 more
europepmc   +1 more source

Unusual Palatal Pigmentation in a 71‐Year‐Old Patient

Oral Diseases, EarlyView.
Lucía Lago‐Méndez, Carlos Manuel de Neira de Paz, Pedro Diz‐Dios, Márcio Diniz‐Freitas   +3 more
wiley   +1 more source

Melanin-like Nanoparticles as an Alternative to Natural Melanin in Retinal Pigment Epithelium Cells and Their Therapeutic Effects against Age-Related Macular Degeneration

ACS Nano, 2022
Melanin is a natural pigment that is widely distributed in many parts of the human body, such as the skin and retinal pigment epithelium (RPE) in eyes.
Yong-Su Kwon, Alice Yang Zhang, Zongchao Han   +2 more
exaly   +2 more sources

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Melanin

International Journal of Biochemistry and Cell Biology, 1997
Melanin is an irregular light-absorbing polymer containing indoles and other intermediate products derived from the oxidation of tyrosine. Melanin is widely dispersed in the animal and plant kingdoms. It is the major pigment present in the surface structures of vertebrates.
P A Riley
exaly   +3 more sources

Manganese in Melanin

Nature, 1964
AQUEOUS systems were reported earlier in which a manganese-phenothiazine auto-oxidation led to the emergence of semiquinone free-radicals of the drugs1. The mildness of the required conditions permitted the postulation that this interaction might be relevant to the pharmacological action of these agents2.
G C, COTZIAS, P S, PAPAVASILIOU, S T, MILLER   +2 more
openaire   +2 more sources

Loss of melanin from human RPE with aging: possible role of melanin photooxidation

Experimental Eye Research, 2003
The pigment melanin, which is believed to play a photoprotective role, was quantified here in human RPE cells from donors of different age. Electron spin resonance (ESR) spectroscopy was shown to provide a quantitative measure of melanin and was used as ...
Tadeusz Sarna, Janice M Burke, Małgorzata Różanowska   +2 more
exaly   +2 more sources