Results 21 to 30 of about 21,627 (244)

Synthesis and Biological Activity Evaluation of 2-Cyanopyrrole Derivatives as Potential Tyrosinase Inhibitors

open access: yesFrontiers in Chemistry, 2022
In order to find potential inhibitors of tyrosinase, two series of pyrrole derivatives A (1–17) and B (1–8) were synthesized and screened for their inhibitory activities on tyrosinase. Most of the 2-cyanopyrrole derivatives exhibited effective inhibitory
Ya-Guang Hu   +9 more
doaj   +1 more source

Synthesis of novel azo compounds containing 5(4H)-oxazolone ring as potent tyrosinase inhibitors [PDF]

open access: yes, 2013
Six new azo dyes containing of 5(4H)-oxazolone ring were prepared by diazotization of 4-aminohippuric acid and coupling with N,N-dimethylaniline, 1-naphthol and 2-naphthol and condensation with 4-fluoro benzaldehyde or 4-trifluoromethoxy benzaldehyde ...
Abbasalipour, V.   +5 more
core   +1 more source

Identification by shape-based virtual screening and evaluation of new tyrosinase inhibitors [PDF]

open access: yesPeerJ, 2018
Targeting tyrosinase is considered to be an effective way to control the production of melanin. Tyrosinase inhibitor is anticipated to provide new therapy to prevent skin pigmentation, melanoma and neurodegenerative diseases.
Qi Li   +7 more
doaj   +2 more sources

The influence of in vitro gastrointestinal digestion on the chemical composition and antioxidant and enzyme inhibitory capacities of carob liqueurs obtained with different elaboration techniques [PDF]

open access: yes, 2019
Carob liqueur is a traditional Mediterranean alcoholic beverage obtained via a wide range of production techniques contributing to the different organoleptic attributes of the final product.
Coelho, Natacha   +5 more
core   +1 more source

Formulation of Liquorice Root Extract (Glycyrrhiza Glabra L.) as Skin Whitening Cream [PDF]

open access: yes, 2016
Liquorice root extract (Glycyrrhiza glabra L.) contains glabridin, an isoflavane as inhibitors of tyrosinase. This enzyme is responsible in melanin synthesis.
Faridah, F. (Faridah)   +2 more
core   +1 more source

Marine derived tyrosinase inhibitors

open access: yesEge Journal of Fisheries and Aquatic Sciences, 2020
The cosmetics industry has gained strong momentum all over the world in recent years and has become a growing and promising sector. As it is known, as in the pharmaceutical industry, the cosmetic industry has also turned into becoming marine resources by seeking new materials for its continuation to be more productive for the field.
Amine Dilara Pilevneli, Belma Konuklugil
openaire   +3 more sources

Rhododendrol glycosides as stereospecific tyrosinase inhibitors [PDF]

open access: yesBioorganic & Medicinal Chemistry, 2015
Rhododendrol derivatives 3-12 have been synthesized in six steps, including aldol condensation and/or trichloroacetimidate glycosylation as the key reactions. Each derivative showed effective inhibition of tyrosinase-catalyzed oxidation processes. In particular, a series of synthetic derivatives having an R-stereogenic center at C-2 proved to be more ...
Takehiro, Iwadate, Ken-ichi, Nihei
openaire   +2 more sources

UV-A light treatment for controlling enzymatic browning of fresh-cut fruits [PDF]

open access: yes, 2016
Enzymatic browning is critical in the preservation of the quality and the shelf-life of fresh-cut fruits. Non-thermal technologies such as UV radiation are emerging for controlling polyphenol oxidase (PPO) activity, the main agent responsible for ...
Lante, Anna   +2 more
core   +1 more source

Biological activities and chemical composition of methanolic extracts of selected Autochthonous microalgae strains from the Red Sea [PDF]

open access: yes, 2015
Four lipid-rich microalgal species from the Red Sea belonging to three different genera (Nannochloris, Picochlorum and Desmochloris), previously isolated as novel biodiesel feedstocks, were bioprospected for high-value, bioactive molecules.
Carolina Bruno De Sousa   +14 more
core   +4 more sources

Comparison of Various Solvent Extracts and Major Bioactive Components from Portulaca oleracea for Antioxidant, Anti-Tyrosinase, and Anti-α-Glucosidase Activities

open access: yesAntioxidants, 2022
Portulaca oleracea is a well-known species for traditional medicine and food homology in Taiwan. In traditional medicine, P. oleracea is also used to treat gastrointestinal disorders, liver inflammation, fever, severe inflammation, and headaches.
Wei-Cheng Chen   +7 more
doaj   +1 more source

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