Molecules 2012, 17(6), 6491-6506; doi:10.3390/molecules17066491
Article

Variation in Minerals, Phenolics and Antioxidant Activity of Peel and Pulp of Different Varieties of Peach (Prunus persica L.) Fruit from Pakistan

1 Department of Chemistry and Biochemistry, University of Agriculture, Faisalabab 38040, Pakistan 2 Department of Chemistry, University of Sargodha, Sargodha 40100, Pakistan 3 Institute of Advanced Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia 4 Department of Botany, University of Agriculture, Faisalabad 38040, Pakistan
* Authors to whom correspondence should be addressed.
Received: 9 April 2012; in revised form: 12 May 2012 / Accepted: 15 May 2012 / Published: 30 May 2012
(This article belongs to the Section Medicinal Chemistry)
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Abstract: Peach (Prunus persica L.), being a potential source of bioactive compounds, has been demonstrated to have medicinal benefits. In this study variation of minerals and antioxidant characteristics (total phenolic contents, total flavonoid contents, reducing power, inhibition of peroxidation using linoleic acid system and DPPH free radical scavenging activity) between peel and pulp parts of different peach varieties, namely Golden, Shireen, and Shahpasand were investigated. The peel and pulp extracts, derived from the varieties analyzed, exhibited an appreciable amount of total phenolics (TP) and total flavonoids (TF), ranging from 1,209.3–1,354.5, 711.7–881.3 mg GAE/100 g and 599.7–785.5, 301.3–499.7 mg CE/100 g on a dry weight basis, respectively. Reducing power of peel and pulp extracts (12.5 mg/mL concentration) ranged from 2.57–2.77 and 1.54–1.99.The inhibition of linoleic acid peroxidation and DPPH scavenging activity of the extracts varied from 70.8–80.9% and 66.8–76.5% in peels, and 51.9–60.1% and 43.4–49.1% in pulps. The mineral analysis revealed that the content of K was highest in both parts of the peach fruit followed by Mg, Ca, Fe, Mn and Zn. The results of our present study indicate that peach peel had significantly higher levels of minerals, antioxidant capacity and phenolics than those of the pulp, suggesting the intake of unpeeled peach as a potential source of high-value components. The peach peel can be a useful as a viable source of natural antioxidants for functional foods and nutraceutical applications.
Keywords: fruits; antioxidant compounds; Folin reagent; radical scavenger; reducing power

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MDPI and ACS Style

Manzoor, M.; Anwar, F.; Mahmood, Z.; Rashid, U.; Ashraf, M. Variation in Minerals, Phenolics and Antioxidant Activity of Peel and Pulp of Different Varieties of Peach (Prunus persica L.) Fruit from Pakistan. Molecules 2012, 17, 6491-6506.

AMA Style

Manzoor M, Anwar F, Mahmood Z, Rashid U, Ashraf M. Variation in Minerals, Phenolics and Antioxidant Activity of Peel and Pulp of Different Varieties of Peach (Prunus persica L.) Fruit from Pakistan. Molecules. 2012; 17(6):6491-6506.

Chicago/Turabian Style

Manzoor, Maleeha; Anwar, Farooq; Mahmood, Zahed; Rashid, Umer; Ashraf, Muhammad. 2012. "Variation in Minerals, Phenolics and Antioxidant Activity of Peel and Pulp of Different Varieties of Peach (Prunus persica L.) Fruit from Pakistan." Molecules 17, no. 6: 6491-6506.

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