Results 131 to 140 of about 39,961 (248)

The inhibitory effects of ethanol extracts from fresh grape and grape cell on mushroom tyrosinase activity

open access: yes, 2009
[[abstract]]In living organisms, melanin can be formed by enzymatic reaction of tyrosinase with certain substrates such as L-3,4-dihydroxyphenylalanine (L-dopa). The objective of this study was to determine the inhibitory effects of seed and peel ethanol
Yu-Pin Hsueh
core  

Inhibition effects of Eucalyptus globules Labill. essential oil against tyrosinase

open access: yesScientific Reports
Essential oils derived from Eucalyptus globules Labill. (EGEOs) represent a significant class of bioactive metabolites with broad applications in medicinal and pharmaceutical industries. Despite their various biological activities, the potential of EGEOs
Hua Zhu, Xin Zhong
doaj   +1 more source

Isolation and Biological Evaluation of Human Tyrosinase Inhibitors from the Fruit of Xanthium strumarium L

open access: yes
Tyrosinase catalyzes the rate-limiting steps of melanin production, posing as an important target for treating skin pigmentation. This study investigates bioactive human tyrosinase inhibitors from Xanthium strumarium L.
Lu, Yaoying   +6 more
core   +1 more source

Elektrode Komposit Zeolit sebagai Biosensor Berbasis Tirosinase

open access: yes, 2014
Tyrosinase is a copper-containing oxidase, which catalyzes the first 2 steps in mammalian melanogenesis and responsible for enzymatic browning reactions.
Yunita, Maryani
core  

Kojic acid-derived tyrosinase inhibitors: synthesis and bioactivity

open access: yesPharmaceutical and Biomedical Research, 2015
Tyrosinase is a key enzyme for melanin biosynthesis, catalyzing the oxidation of L-tyrosine to L-dopaquinone. The tyrosinase inhibition is an effective approach to control hyperpigmentation in human skin and enzymatic browning in fruits and vegetables ...
Seyedeh Mahdieh Hashemi, Saeed Emami
doaj  

A study of the natural products for whitening cosmetical use-the inhibitory effect of pomegranate extracts on tyrosinase activity and acne pathogens

open access: yes, 2009
[[abstract]]There are three main goals in our study. The first is screening the source of the Tyrosinase inhibitor. The materials included Auricularia polytricha、 Antrodia sp.、Monascus sp.、leaves of Citrus grandis、Pomegranate、leaves of Avocado、Black ...
hsu ling yen
core  

Tyrosinase in Melanized Melanosomes

open access: yesThe Tohoku Journal of Experimental Medicine, 1972
SEIJI, MAKOTO, FUKUZAWA, HITOMI
openaire   +3 more sources

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