Evaluation of seasonal antioxidant activity and total phenolic compounds in stems and leaves of some almond (Prunus amygdalus L.) varieties

BACKGROUND: This study aimed to determine the seasonal changes of total antioxidant activity and phenolic compounds in samples taken from leaves (April, July, October) and stems (April, July, October, January) of some almond (Prunus amygdalus L.) varieties (Nonpareil, Ferragnes and Texas). RESULTS:...

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Detalles Bibliográficos
Autores principales: Sivaci, Aysel, Duman, Sevcan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2014
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4103985/
https://www.ncbi.nlm.nih.gov/pubmed/25027590
http://dx.doi.org/10.1186/0717-6287-47-9
Descripción
Sumario:BACKGROUND: This study aimed to determine the seasonal changes of total antioxidant activity and phenolic compounds in samples taken from leaves (April, July, October) and stems (April, July, October, January) of some almond (Prunus amygdalus L.) varieties (Nonpareil, Ferragnes and Texas). RESULTS: It was indicated that antioxidant activity and phenolic compounds in leaves and stems of Nonpareil, Ferragnes and Texas showed seasonal differences. Antioxidant activity IC(50) of these varieties reached the highest value in April for leaves whereas in October for stems. The highest level of total phenolic compounds was in January for stems while in October for leaves. CONCLUSIONS: These results showed that total antioxidant activity and phenolics in leaves and stems of almond varieties changed according to season and plant organ.

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