Results 11 to 20 of about 2,399 (125)
Uji Aktivitas Antioksidan Dan Inhibitor Tirosinase Ekstrak Etanol Daun Teh Hijau
Jurnal Riset Farmasi, 2023 Abstract. Skin is the outermost organ of the body that plays a role in the process of protection from UV radiation, which can cause the formation of free radicals and hyperpigmentation. Green tea leaves (Camellia sinensis (L) O. Kuntze) contain high polyphenol compounds, especially epigallocatechin gallate, which has potential as an antioxidant and ...
null Fitri Mellyna Cantika +1 more
openaire +1 more source
POTENSI KOLAGEN TERIPANG EMAS SEBAGAI INHIBITOR TIROSINASE
Jurnal Pengolahan Hasil Perikanan Indonesia, 2018 Kolagen memiliki aktivitas antioksidan dan mampu menghambat aktivitas tirosinase pada proses<br />melanogenesis, salah satu biota laut yang dapat dijadikan sumber kolagen alternatif adalah teripang.<br />Penelitian ini bertujuan menentukan karakteristik kolagen dan aktivitas penghambatan enzim tirosinase<br />oleh kolagen teripang ...
Mega Safithri +4 more
openaire +2 more sources
Indonesian Journal of Pharmaceutical Education, 2023 Tyrosinase enzyme is an enzyme that plays an important role in melanin synthesis. This enzyme will oxidize the amino acid L-tyrosine into L- 3,4 dihydroxyphenylalanine (L-DOPA) and convert L-DOPA into DOPAquinone.
Anjas wilapangga
doaj +1 more source
DEPIGMENTING AGENT MELANOTOKSIK PADA PENGOBATAN MELASMA
Medical and Health Science Journal, 2018 : Human skin color is determined by melanin pigment,either eumelanin or feomelanin. Melanogenesis is a melanin synthesized process that is initiated with tirosin oxidation to DOPAquinone by tirosinase, and then auto-oxidation to DOPA and DOPAchrome ...
Winawati Eka Putri +2 more
doaj +1 more source
Química Nova, 2013 The essential oils of branches and leaves of Endlicheria citiodora were obtained by hydrodistillation and analysed using GC-FID, GC-MS and both NMR 13C and ¹H, resulting in the identification of methyl geranate as major constituent (93%) in both oils ...
Klenicy K. L. Yamaguchi +4 more
doaj +1 more source
Sentinel lymph node in children with melanoma: case report [PDF]
, 2002 Objective: to present a case of a child who was subjected to sentinel lymph node biopsy for cutaneous melanoma. Description: a 12 year-old child with Dysplastic Nevus Syndrome developed melanoma on the lumbar region.
Alves, Marcos Chaves de Arruda +5 more
core +3 more sources
Revista Brasileira de Plantas Medicinais, 2015 RESUMOOs radicais livres e outros oxidantes demonstram ser parcialmente responsáveis pelo envelhecimento e pelas doenças degenerativas associadas à produção de espécies reativas de oxigênio.
L. M. VIEIRA +3 more
doaj +1 more source
Acta Scientiarum: Technology, 2010 O emprego direto de cogumelos Agaricus bispora foi avaliado para a remoção de cor de uma mistura sintética de corantes reativos. Avaliou-se o efeito da granulometria das partículas (cubos de 0,5 ou 1,0 cm e cogumelos moídos), da massa de cogumelos (10 ...
Renata Lopes Landeira Silva +2 more
doaj +1 more source
Estudos estruturais e de interação de novos inibidores e ativadores da tirosinase [PDF]
, 2021 Tese (doutorado)—Universidade de Brasília, Instituto de Química, Programa de Pós-Graduação em Tecnologias Química e Biológica, 2016. ; A tirosinase é uma enzima oxidase que contém cobre no sítio ativo e pode ser encontrada em plantas, fungos e animais. Em animais, a tirosinase está diretamente envolvida na biossíntese da melanina, sendo que a produção ...
openaire +2 more sources
Majalah Obat Tradisional, 2015 Bengkoang telah banyak digunakan dalam industri kosmetika sebagai whitening agent. Berdasarkan penelitian Lukitaningsih (2009), bengkoang mengandung 6 senyawa aktif yang mampu berperan sebagai whitening agent dengan menghambat aktivitas enzim tirosinase ...
Endang Lukitaningsih +2 more
doaj +1 more source