The inhibitory effects of nobiletin and hesperidin from citrus peel crude extracts on
tyrosinase diphenolase activity are evaluated. IC50 of nobiletin and hesperidin is 1.49 mM …

Fruit pericarp of Clausena lansium (Lour.) Skeels, a food waste, was selected as a raw
material for proanthocyanidins. The proanthocyanidins' structures were integrally analyzed …

MATERIALS AND METHODS Chemicals and General Materials Mushroom tyrosinase, l-
dopa, was purchase from Nakalai Tesque (Kyoto), and kojic acid from Tokyo Kasei …

Proanthocyanidins were purified from avocado (Persea americana) fruit, and their structures
were analyzed by matrix-assisted laser desorption/ionization–time-of-flight mass …

In the present work, we investigated the anti-tyrosinase activity, mechanism and antioxidant
activity of proanthocyanidins (PAs) isolated from Pinus thunbergii needles. The results …

In this study, the structure of proanthocyanidins purified from cherimoya (Annona squamosa)
pericarp was analyzed by ESI-QTOF-MS and HPLC analyses. The result indicated that these …

The fruits of Juniperus communis have been traditionally used in the treatment of skin
diseases. In our preliminary experiment, the MeOH extract of J. communis effectively …

The structure of extracted condensed tannin (CT) from the fruit of Sour jujube (Ziziphus
jujuba Mill. var. spinosa (Bunge) Hu ex HF Chow) and the molecular mechanisms by which …

Quercetin, a flavonoid compound, was found to inhibit both monophenolase and
diphenolase activities of tyrosinase, and its inhibition against diphenolase activity was in a …

Condensed tannins from Ficus virens leaves, fruit, and stem bark were isolated and their
structures characterized by 13C nuclear magnetic resonance spectrometry, high …