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Beverages 2015, 1(2), 34-44; doi:10.3390/beverages1020034

Comparison of Fresh and Commercial Pomegranate Juices from Mollar de Elche Cultivar Grown under Conventional or Organic Farming Practices

1
Research Group in Food Quality and Safety, Food Technology Department, University Miguel Hernandez, Ctra. Beniel, km 3.2, 03312-Orihuela, Alicante, Spain
2
Research Group in Plant Production and Technology, Plant Science and Microbiology Department, University Miguel Hernandez, Ctra. Beniel, km 3.2, 03312-Orihuela, Alicante, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Antonio Cilla
Received: 30 January 2015 / Revised: 24 March 2015 / Accepted: 25 March 2015 / Published: 30 March 2015
(This article belongs to the Special Issue Fruit Beverages: Nutritional Composition and Health Benefits)
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Abstract

Pomegranate juice has gained a high reputation for its health properties and consequently is now a highly demanded product. However, there is an interest in knowing if there are differences between conventional and organic agricultural practices. For that reason, total phenolic content, antioxidant capacity, punicalagin isomers and sensory analysis of pomegranate juices from Mollar de Elche cultivar were studied. A comparison between fresh and commercial pomegranate juice obtained by conventional and organic agricultural practices was conducted. The total phenolic content values ranged from 2285 to 2457 mg GAE L−1; however, there was no significant difference among conventional and organic juices. The antioxidant capacity evaluated by DPPH and ABTS methods showed significant differences (p < 0.05) among conventional and organic juices. The antioxidant capacity values ranged from 17.7 to 35.9 mmol Trolox L−1 for DPPH and from 5.09 to 27.9 mmol Trolox L-1 for ABTS. Significant differences (p < 0.05) were observed among conventional and organic juices in punicalagin isomer, with the highest value found in conventional fresh pomegranate juice (0.48 g L−1). Descriptive sensory analysis showed that fresh pomegranate, fresh rind, earthy, vegetal, bitter, and astringent notes were higher in conventional fresh pomegranate juice. Cooked and mushroom notes predominated in conventional commercial pomegranate juice; while the organic juice was characterized by fresh pomegranate, fresh rind, earthy and sweet notes. View Full-Text
Keywords: pomegranate juice; phenolic content; antioxidant capacity; sensory analysis pomegranate juice; phenolic content; antioxidant capacity; sensory analysis
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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MDPI and ACS Style

Nuncio-Jáuregui, N.; Cano-Lamadrid, M.; Hernández, F.; Carbonell-Barrachina, Á.A.; Calín-Sánchez, Á. Comparison of Fresh and Commercial Pomegranate Juices from Mollar de Elche Cultivar Grown under Conventional or Organic Farming Practices. Beverages 2015, 1, 34-44.

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