Preliminary screening of some tropical plants for anti-tyrosinase activity

Baurin, N; Arnoult, Éric; Scior, Thomas; Do, Quoc‐Tuan; Bernard, Philippe

doi:10.1016/s0378-8741(02)00174-5

Cited by 138 publications

(101 citation statements)

References 12 publications

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“…24 In this work, however, the association of Emblica, Licorice and Belides 7% showed a depigmenting capacity (Figures 1 and 2) with no significant statistical differences when compared to hydroquinone 2%.…”

Section: Discussioncontrasting

confidence: 55%

Associação de emblica, licorice e belides como alternativa à hidroquinona no tratamento clínico do melasma

Costa

Moisés

Cordero³

et al. 2010

An. Bras. Dermatol.

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FUNDAMENTOS: Melasma é uma melanodermia comum, cuja terapêutica representa um desafio clínico. OBJETIVOS: Avaliar a eficácia e segurança clínicas do complexo despigmentante emblica, licorice e belides, em comparação à hidroquinona 2%, na abordagem do melasma. MÉTODOS: Após 60 dias de uso exclusivo de fotoprotetor FPS35, 56 mulheres com idades entre 18 e 60 anos, fotótipos I a IV, com melasma epidérmico ou misto, foram divididas em dois grupos de um estudo clínico monocego: A) creme contendo complexo despigmentante emblica, licorice e belides 7%, usado duas vezes ao dia; B)creme de hidroquinona 2%, usado à noite. O estudo durou 60 dias consecutivos e avaliações médica, das voluntárias (auto-avaliação) e fotográfica (Visia®) foram realizadas quinzenalmente. RESULTADOS: 89% das voluntárias (50/56), 23 do Grupo A e 27 do Grupo B, concluíram o estudo. Duas voluntárias do Grupo A contra sete do Grupo B apresentaram eventos adversos leves transitórios. Houve despigmentação do melasma pelas avaliações médica (Grupo A: 78,3%; Grupo B: 88,9%) e auto-avaliação (Grupo A: 91,3%; Grupo B: 92,6%), todos estatisticamente significantes (p<0,001), sem diferenças entre os grupos (p>0,05). O mesmo padrão foi observado pelo Visia®, tanto no número (p = 0,001) quanto no tamanho e no tom (p<0,001), para ambos os grupos, e sem diferenças entre eles (p>0,05) nas manchas UV. CONCLUSÕES: Não houve diferença estatística na melhora do melasma nos dois grupos; o Grupo A apresentou menor incidência de eventos adversos. Logo, o complexo despigmentante emblica, licorice e belides é uma alternativa segura e eficaz na abordagem do melasma.

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Section: Discussioncontrasting

confidence: 55%

Associação de emblica, licorice e belides como alternativa à hidroquinona no tratamento clínico do melasma

Costa

Moisés

Cordero³

et al. 2010

An. Bras. Dermatol.

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“…24,25 Antityrosinase activity has been demonstrated in native plants from several Asian countries, particularly Bangladesh, 26 India, 27 Indonesia, 28 Korea, 29 and Nepal. 30 Similar activity has been demonstrated in Argentinian 31 and Brazilian plant species. 32 In a study of the antityrosinase activity, extracts from 10 Piper species from Mesoamerica were evaluated, qual- itatively by TLC (bioautography) and quantitatively by microcolorimetric methods.…”

supporting

confidence: 66%

Contributions of natural ingredients from the Mesoamerican biodiversity for the phytocosmetic industry

Cáceres¹,

Cruz²

2015

Intl J Phyto Natu Ingrd

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IntroductionMesoamerica is a cultural and historical region were several important civilizations developed, such as Toltec, Zapotec, Maya and Aztec. Guatemala is a diverse country, pluricultural and multilingual, with a profoundly syncretic culture as a heritage of Maya and Spanish cultures. It is a region of high diversity, which complement the biological richness with a profound value for this local biodiversity by its inhabitants with an integral vision, including diverse applications such as flavors, aromas, spices and condiments, dyes and colorants; food (grains, oilseeds, fruits, herbs), and medicinal plants, herbals and cosmetics. This minireview paper deals with the historical usage of plants for hair and skin care, and the recent investigations on antioxidant, solar protection and tyrosinase inhibition potential for skin clearing of native species from the Mesoamerican biodiversity.

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“…However, no reports on antimicrobial activity for this species were found. Only one report was found on Cariniana species, which demonstrated an anti-tyrosinase activity for C. brasiliensis extracts (Baurin et al, 2002). An antitumor coumarin, Cleomiscosin A, has been isolated from Matayba arborescens (Arisawa et al, 1984), similar compounds might be present in the M. jugandifolia extracts that could be related with the fungitoxic effect observed.…”

Section: Resultsmentioning

confidence: 99%

Screening of Brazilian plants for antimicrobial and dnadamaging activities: I. Atlantic rain forest . Ecological station juréia-itatins

et al. 2004

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I. Atlantic Rain Forest -Ecological Station Juréia-Itatins)Crude extracts from 88 plant species occurring in São Paulo State (Brazil), collected in an Atlantic Forest region, have been screened for antimicrobial and DNA-damaging activities. Of the 114 extracts assayed for antibacterial activity, only the extracts from leaves and stems of Aspidosperma ramiflorum (Apocynaceae) showed a slight activity against Escherichia coli. In the antifungal assay with Candida albicans, no active extract was observed, while in the bioautography assay with Cladosporium sphaerospermum and C. cladosporioides 12% were active. However, only the extract of Psychotria mapoureoides (Rubiaceae) stems showed a strong inhibition of both fungi. The DNA-damaging assay with mutant strains of Saccharomyces cerevisiae resulted in 17.5 % of active extracts. The majority (55 %) of the active extracts showed selectivity for the DNA-repair mechanism of topoisomerase II and only 20 % showed a selective response for the mechanism of topoisomerase I.

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Preliminary screening of some tropical plants for anti-tyrosinase activity

Cited by 138 publications

References 12 publications

Associação de emblica, licorice e belides como alternativa à hidroquinona no tratamento clínico do melasma

Associação de emblica, licorice e belides como alternativa à hidroquinona no tratamento clínico do melasma

Contributions of natural ingredients from the Mesoamerican biodiversity for the phytocosmetic industry

Screening of Brazilian plants for antimicrobial and dnadamaging activities: I. Atlantic rain forest . Ecological station juréia-itatins

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