Variation in chemical composition and biological activities of two species of Opuntia flowers at four stages of flowering

► Chemical composition of hexane extracts from flowers belonging to two species of prickly pear has been studied by gas chromatography–mass spectrometry. ► Biological activities showed that extracts were active in vitro towards four bacteria and two fungal strains. ► Antioxidant activity of the flow...

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Bibliographic Details
Published in:Industrial crops and products 2012-05, Vol.37 (1), p.34-40
Main Authors: Ammar, Imène, Ennouri, Monia, Khemakhem, Bassem, Yangui, Thabèt, Attia, Hamadi
Format: Article
Language:English
Subjects:
Alcohol
Chemical composition
Escherichia coli
Flower
Flowering stage
Opuntia ficus indica
Opuntia stricta
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Summary:► Chemical composition of hexane extracts from flowers belonging to two species of prickly pear has been studied by gas chromatography–mass spectrometry. ► Biological activities showed that extracts were active in vitro towards four bacteria and two fungal strains. ► Antioxidant activity of the flowers extracts was evaluated. ► Opuntia's flowers extract can be a source of bioactive substances. The chemical composition of hexane extracts from flowers belonging to two species of prickly pear, Opuntia ficus-indica (L.) Miller and Opuntia stricta (Haw.) Haworth has been studied by gas chromatography–mass spectrometry in four developmental stages of flower: vegetative, initial flowering, full flowering, and post-flowering stages. Remarkable differences were noted between the flowers’ compositions. The main compounds were carboxylic acid (28–97%), terpenes (0.2–57%), esters (0.2–27%), and alcohols (
ISSN:0926-6690
1872-633X
DOI:10.1016/j.indcrop.2011.11.027