Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/6336
Título: Antioxidant activity of some Morrocan hydrosols
Autor: Aazza, S.
Lyoussi, B.
Miguel, Maria Graça
Data: 2011
Editora: Academic Journals
Resumo: Essential oils are used in Cosmetic, Perfumery, Food and Pharmaceutical Industries as flavours and/or medicines. However, part of the essential oil components that remains in the distillation water (hydrosol or distillate water) has been less studied both in chemical and biological terms. This research concerns the antioxidant activity, measured through several methods, of Lavandula officinalis L., Origanum majorana L., Rosmarinus officinalis L., Salvia officinalis L. and Thymus vulgaris L., Cinnamomum verum J. Presl. and Syzygium aromaticum (L.) Merrill and Perry hydrosols. The ability of hydrosols to prevent oxidation was checked by two main methods: prevention of lipid peroxidation through the measurement of malonaldehyde produced after degradation of hydroperoxides; and ability for scavenging free radicals including hydroxyl and superoxide anion radicals. The S. aromaticum and T. vulgaris hydrosols, predominantly constituted by eugenol and carvacrol, respectively, were the most effective as antioxidants, except for scavenging superoxide anion radical. In this case, L. officinalis hydrosol in which linalool prevailed was a stronger antioxidant. The worst hydrosol as antioxidant was that of S. officinalis, independent on the method checked.
Peer review: yes
URI: http://hdl.handle.net/10400.1/6336
DOI: https://dx.doi.org/10.5897/JMPR11.1176
ISSN: 1996-0875
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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