Capparis spinosa L.: A Plant with High Potential for Developmentof Functional Foods and Nutraceuticals/Pharmaceuticals

Caper (Capparis spinosa L.), a drought tolerant plant belonging to genus Capparis of the family Capparidaceae is mainly distributed in arid and semi-arid regions of the tropical and subtropical world. The plant, as a potential source of valuable nutrients such as vitamins (especially vitamin C), digestible protein, reducing sugars and essential minerals is valued for human food. The fruit of this plant, being a rich source of high-value components, is usually pickled and added to salads, sauces and jams. The plant has been used traditionally to prevent and/or treat a number of health disorders such as diabetes, hepatitis, obesity and kidney problems. Besides uses as an ingredient for food and feed, the contents of bioactive phytochemicals such as terpenoids, alkaloids, glucosinolates, tocopherols, polyprenols, isothiocyanates, carotenoids and phenolics, have allowed to envisage potential applications of C. spinosa as a health promoter plant. A broad range of pharmacological activities such as antioxidant, cardiovascular, antimicrobial, anti-inflammatory, hepatoprotective, antipyretic, diuretic and hypoglycemic have been ascribed to different parts of C. spinosa. This comprehensive review describes the detailed profile of high-value nutrients and bioactives along with pharmacological and phyto-medicinal attributes of this multipurpose food plant with the aim to exploring its potential uses as ingredients for functional foods and nutraceutical/pharmaceutical industry.

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