Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties
AMA 10th edition
In-text citation: (1), (2), (3), etc.
Reference: Anigboro AA, Avwioroko OJ, Ohwokevwo OA, Pessu B. Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties. Eurasia J Biosci. 2019;13(2), 1763-1769.

APA 6th edition
In-text citation: (Anigboro et al., 2019)
Reference: Anigboro, A. A., Avwioroko, O. J., Ohwokevwo, O. A., & Pessu, B. (2019). Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties. Eurasian Journal of Biosciences, 13(2), 1763-1769.

Chicago
In-text citation: (Anigboro et al., 2019)
Reference: Anigboro, Akpovwehwee A., Oghenetega J. Avwioroko, Oghenenyore A. Ohwokevwo, and Beruoritse Pessu. "Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties". Eurasian Journal of Biosciences 2019 13 no. 2 (2019): 1763-1769.

Harvard
In-text citation: (Anigboro et al., 2019)
Reference: Anigboro, A. A., Avwioroko, O. J., Ohwokevwo, O. A., and Pessu, B. (2019). Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties. Eurasian Journal of Biosciences, 13(2), pp. 1763-1769.

MLA
In-text citation: (Anigboro et al., 2019)
Reference: Anigboro, Akpovwehwee A. et al. "Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties". Eurasian Journal of Biosciences, vol. 13, no. 2, 2019, pp. 1763-1769.

Vancouver
In-text citation: (1), (2), (3), etc.
Reference: Anigboro AA, Avwioroko OJ, Ohwokevwo OA, Pessu B. Bioactive components of Ficus exasperata, Moringa oleifera and Jatropha tanjorensis leaf extracts and evaluation of their antioxidant properties. Eurasia J Biosci. 2019;13(2):1763-9.

Abstract

Purpose: This study investigated the phytochemistry and in vitro free radical scavenging activities of aqueous leaf extract of Ficus exasperata (FE), Moringa oleifera (MO) and Jatropha tanjorensis (JT).
Methods: Spectrophotometric evaluation was employed in the determination of the total phenols, total flavonoids, 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical inhibition, nitric oxide (NO) radical inhibition, ferric reducing antioxidant power (FRAP) and total antioxidant capacity (TAOC).
Results: Qualitative screening of bioactive compounds confirmed the presence of terpenes, flavonoids and phenols in all extracts amidst other phytochemicals. Total phenols and total flavonoids estimation were highest in Ficus exasperata (96.10 ± 2.70 mg gallic acid equivalent g-1 and 28.45 ± 1.80 mg catechin equivalent g-1, respectively). Moringa oleifera leaf extract exhibited the highest radical scavenging activity against DPPH and NO radicals, while Jatropha tanjorensis exhibited the highest FRAP and TAOC. Nitric oxide radical inhibition by M. oleifera extract was significantly higher (p<0.05) at 7.0 mg mL-1 (64.7 ± 0.32%). The 50% inhibitory concentration (IC50) values of the plant leaves for FRAP and TAOC were in the order JT < MO < FE, whereas for DPPH and NO scavenging activities the IC50 values were in the order MO < JT < FE.
Conclusions: The findings of this study clearly showed that the antioxidant properties of M. oleifera and J. tanjorensis leaves were higher than those of F. exasperata. The knowledge of the different bioactive components and antioxidant prowess of these medicinal plants could be used as a guide in making the choice of medicinal plant to use for treatment or prophylaxis against cellular aberrations in which oxidative stress is implicated.

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