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Angolan Cymbopogon citratus used for therapeutic benefits: nutritional composition and influence of solvents in phytochemicals content and antioxidant activity of leaf extracts.
Food Chem Toxicol. 2013 Oct; 60:413-8.FC

Abstract

Folk medicine is a relevant and effective part of indigenous healthcare systems which are, in practice, totally dependent on traditional healers. An outstanding coincidence between indigenous medicinal plant uses and scientifically proved pharmacological properties of several phytochemicals has been observed along the years. This work focused on the leaves of a medicinal plant traditionally used for therapeutic benefits (Angolan Cymbopogon citratus), in order to evaluate their nutritional value. The bioactive phytochemical composition and antioxidant activity of leaf extracts prepared with different solvents (water, methanol and ethanol) were also evaluated. The plant leaves contained ∼60% of carbohydrates, protein (∼20%), fat (∼5%), ash (∼4%) and moisture (∼9%). The phytochemicals screening revealed the presence of tannins, flavonoids, and terpenoids in all extracts. Methanolic extracts also contained alkaloids and steroids. Several methods were used to evaluate total antioxidant capacity of the different extracts (DPPH·, NO·, and H₂O₂ scavenging assays, reducing power, and FRAP). Ethanolic extracts presented a significantly higher antioxidant activity (p<0.05) except for FRAP, in which the best results were achieved by the aqueous extracts. Methanolic extracts showed the lowest radical scavenging activities for both DPPH· and NO· radicals.

Authors+Show Affiliations

REQUIMTE/Dep. Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira n.° 228, 4050-313 Porto, Portugal; CITS-IPSN/Centro de Investigação em Ciências da Saúde, Instituto Politécnico de Saúde do Norte, Rua José António Vidal, n.° 81, 4760-409 V.N. Famalicão, Portugal.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23911554

Citation

Soares, Marta O., et al. "Angolan Cymbopogon Citratus Used for Therapeutic Benefits: Nutritional Composition and Influence of Solvents in Phytochemicals Content and Antioxidant Activity of Leaf Extracts." Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association, vol. 60, 2013, pp. 413-8.
Soares MO, Alves RC, Pires PC, et al. Angolan Cymbopogon citratus used for therapeutic benefits: nutritional composition and influence of solvents in phytochemicals content and antioxidant activity of leaf extracts. Food Chem Toxicol. 2013;60:413-8.
Soares, M. O., Alves, R. C., Pires, P. C., Oliveira, M. B., & Vinha, A. F. (2013). Angolan Cymbopogon citratus used for therapeutic benefits: nutritional composition and influence of solvents in phytochemicals content and antioxidant activity of leaf extracts. Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association, 60, 413-8. https://doi.org/10.1016/j.fct.2013.07.064
Soares MO, et al. Angolan Cymbopogon Citratus Used for Therapeutic Benefits: Nutritional Composition and Influence of Solvents in Phytochemicals Content and Antioxidant Activity of Leaf Extracts. Food Chem Toxicol. 2013;60:413-8. PubMed PMID: 23911554.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Angolan Cymbopogon citratus used for therapeutic benefits: nutritional composition and influence of solvents in phytochemicals content and antioxidant activity of leaf extracts. AU - Soares,Marta O, AU - Alves,Rita C, AU - Pires,Pedro C, AU - Oliveira,M Beatriz P P, AU - Vinha,Ana F, Y1 - 2013/08/01/ PY - 2013/03/29/received PY - 2013/07/06/revised PY - 2013/07/23/accepted PY - 2013/8/6/entrez PY - 2013/8/6/pubmed PY - 2014/5/6/medline KW - AA KW - AAE KW - Antioxidant activity assays KW - Bioactive compounds KW - CE KW - Cymbopogon citratus KW - DPPH() KW - FRAP KW - GAE KW - NO() KW - Nutritional value KW - Phytochemical screening KW - RP KW - ascorbic acid KW - ascorbic acid equivalents KW - catechin equivalents KW - diphenyl-picrylhydrazyl radical KW - ferric reducing antioxidant power KW - gallic acid equivalents KW - nitric oxide radical KW - reducing power SP - 413 EP - 8 JF - Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association JO - Food Chem Toxicol VL - 60 N2 - Folk medicine is a relevant and effective part of indigenous healthcare systems which are, in practice, totally dependent on traditional healers. An outstanding coincidence between indigenous medicinal plant uses and scientifically proved pharmacological properties of several phytochemicals has been observed along the years. This work focused on the leaves of a medicinal plant traditionally used for therapeutic benefits (Angolan Cymbopogon citratus), in order to evaluate their nutritional value. The bioactive phytochemical composition and antioxidant activity of leaf extracts prepared with different solvents (water, methanol and ethanol) were also evaluated. The plant leaves contained ∼60% of carbohydrates, protein (∼20%), fat (∼5%), ash (∼4%) and moisture (∼9%). The phytochemicals screening revealed the presence of tannins, flavonoids, and terpenoids in all extracts. Methanolic extracts also contained alkaloids and steroids. Several methods were used to evaluate total antioxidant capacity of the different extracts (DPPH·, NO·, and H₂O₂ scavenging assays, reducing power, and FRAP). Ethanolic extracts presented a significantly higher antioxidant activity (p<0.05) except for FRAP, in which the best results were achieved by the aqueous extracts. Methanolic extracts showed the lowest radical scavenging activities for both DPPH· and NO· radicals. SN - 1873-6351 UR - https://www.unboundmedicine.com/medline/citation/23911554/Angolan_Cymbopogon_citratus_used_for_therapeutic_benefits:_nutritional_composition_and_influence_of_solvents_in_phytochemicals_content_and_antioxidant_activity_of_leaf_extracts_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0278-6915(13)00519-X DB - PRIME DP - Unbound Medicine ER -