Ricardo R. Nunes

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CONTEXT Crataegus monogyna L. (Rosaceae) (CM), Equisetum telmateia L. (Equisataceae) (ET), Geranium purpureum Vil. (Geraniaceae) (GP), Mentha suaveolens Ehrh. (Lamiaceae) (MS), and Lavandula stoechas L. spp. luisieri (Lamiaceae) (LS) are all medicinal. OBJECTIVE To evaluate the antioxidant, antiproliferative and antimicrobial activities of plant extracts(More)
Leaves and flowers from Erica plant possess nutritional and medicinal properties. We determined the antioxidant activity, phenolic, flavonoid and amino acid profiles of the leaves and flowers of this plant. Total amino acid content varied from 28 to 49 and essential amino acids from 8 to 20 mg/g for flowers and leaves, respectively, with different(More)
This study has been aimed at providing a qualitative and quantitative evaluation of selected phytochemicals such as phenolic acids, flavonoids, oleuropein, fatty acids profile, and volatile oil compounds, present in wild olive leaves harvested in Portugal, as well as at determining their antioxidant and cytotoxic potential against human melanoma HTB-140 and(More)
Chat tools have been used by a wide range of companies as a communication channel with customers and for the promotion of products and services. Workgroups often use textual chats to communicate in the workplace. Such interactions are rich in knowledge transfer and have been underused in Organizational Memory. The K2Chat, a textual chat groupware, has been(More)
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