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Physico-Chemical Properties, Antioxidant Activity and Mineral Contents of Pineapple Genotypes Grown in China

Germplasm Repository of Pineapple (Ananas comosus) Zhanjiang City, Ministry of Agriculture, South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, Guangdong 524091, China
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Molecules 2014, 19(6), 8518-8532; https://doi.org/10.3390/molecules19068518
Received: 24 April 2014 / Revised: 12 June 2014 / Accepted: 12 June 2014 / Published: 23 June 2014
The fruit physico-chemical properties, antioxidant activity and mineral contents of 26 pineapple [Ananas comosus (L.) Merr.] genotypes grown in China were measured. The results showed great quantitative differences in the composition of these pineapple genotypes. Sucrose was the dominant sugar in all 26 genotypes, while citric acid was the principal organic acid. Potassium, calcium and magnesium were the major mineral constituents. The ascorbic acid (AsA) content ranged from 5.08 to 33.57 mg/100 g fresh weight (FW), while the total phenolic (TP) content varied from 31.48 to 77.55 mg gallic acid equivalents (GAE)/100 g FW. The two parameters in the predominant cultivars Comte de Paris and Smooth Cayenne were relative low. However, MD-2 indicated the highest AsA and TP contents (33.57 mg/100 g and 77.55 mg GAE/100 g FM, respectively), and it also showed the strongest antioxidant capacity 22.85 and 17.30 μmol TE/g FW using DPPH and TEAC methods, respectively. The antioxidant capacity of pineapple was correlated with the contents of phenolics, flavonoids and AsA. The present study provided important information for the further application of those pineapple genotypes. View Full-Text
Keywords: pineapple; genotypes; physico-chemical properties; antioxidant activity; minerals pineapple; genotypes; physico-chemical properties; antioxidant activity; minerals
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Lu, X.-H.; Sun, D.-Q.; Wu, Q.-S.; Liu, S.-H.; Sun, G.-M. Physico-Chemical Properties, Antioxidant Activity and Mineral Contents of Pineapple Genotypes Grown in China. Molecules 2014, 19, 8518-8532.

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