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Beverages 2018, 4(2), 38; https://doi.org/10.3390/beverages4020038

Comparative Physicochemical Properties and Antioxidant Activity of Dietary Soursop Milkshake

Department of Food Science and Technology, Federal University of Technology, Akure 272101, Ondo State, Nigeria
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Received: 28 February 2018 / Revised: 27 April 2018 / Accepted: 3 May 2018 / Published: 8 May 2018
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Abstract

Soursop is an unexploited fruit with numerous health benefits. Its underutilization is attributable to its rapid softening and ripening, which leads to great postharvest loss. The current study was carried out to formulate a functional drink from blends of soursop, milk and honey and also to assess the phytoconstituents of the beverages. The proximate composition, physicochemical, antioxidant, sensory and microbial properties of the formulated drink were evaluated. The formulated milkshake exhibited a significant ascorbic acid content which was above 50% of the recommended daily requirement for both adult and children. The soursop fresh extract (SFE) showed high antioxidant activity which qualifies it as a functional drink. The incorporation of milk to the soursop drink also produced a high flavonoid content and antioxidant properties (DPPH scavenging activity). The soursop fresh extract and drink with 30% milk inclusion had high sensory acceptability and showed no significant difference to the market sample (control). The richness in ascorbic acid, high phenolic content and antioxidant activity of the formulated drink suggests it may be an important source of antioxidants and could be used as a functional drink for mediation in health-related issues. View Full-Text
Keywords: soursop; functional drink; ascorbic acid; antioxidant properties; sensory qualities soursop; functional drink; ascorbic acid; antioxidant properties; sensory qualities
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Olagunju, A.I.; Sandewa, O.E. Comparative Physicochemical Properties and Antioxidant Activity of Dietary Soursop Milkshake. Beverages 2018, 4, 38.

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