Abstract: The present disclosure concerns phenolic extracts containing procyanidins, propelargonidins and prodelfinidins obtained from peel of the almond [Prunus dulcís (Mili.) D. A. Webb, Prunus amygdalus (L.) Batsch., Amygdalus dulcís (Mili.), Amygdalus communis (L.) or Prunus communis (L.)]. In particular, the objective is to obtain extracts rich in proanthocyanidins with type-A bonds. The preparation method disclosed comprises: (a) a maceration of plant material with organic solvents at 25-100° C., (b) purification by liquid-liquid extraction and/or adsorption or ion exchange chromatography, and (c) optionally, a final drying. Also disclosed are the possible activities/properties of these extracts such as anti-oxidant activity and others, which determine the use thereof as a nutritional or health ingredient, and the use thereof in the cosmetic and pharmaceutical industry.
Type:
Application
Filed:
May 28, 2008
Publication date:
July 22, 2010
Applicants:
Consejo Superior De Investigaciones Cientificas, Exxentia Grupo Fitoterapeutico S.A.
Inventors:
Begona Bartolomé Sualdea, Maria Monagas Juan, Ignacio Garrido Lafuente, María Carmen Gömez-Cordovés De La Vega, Rosa Lebrón Aguilar, José Carlos Quintela-Fernandez, Esther De La Fuente García, Alejandro Jara García-Navas