Physico-chemical properties, antioxidant activity and mineral contents of pineapple genotypes grown in china.

Xin-Hua Lu,De-Quan Sun,Guang-Ming Sun,Sheng-Hui Liu,Qing-Song Wu

doi:10.3390/molecules19068518

Xin-Hua Lu, De-Quan Sun + Show 3 more

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https://doi.org/10.3390/molecules19068518

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Abstract

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.

Highlights

Pineapple [Ananas comosus (L.) Merr.], is the third most important fruit crop in the tropical and subtropical regions of the world, only preceded by banana and citrus [1]
Total sugar contents in Tradsrithong (137.89 mg/g fresh weight (FW)) and Phetchaburi #2 (137.80 mg/g FW) fruits were the highest, while the lowest was in Pearl (81.59 mg/g FW)
We determined the fruit physio-chemical properties, antioxidant activity and mineral contents of 26 pineapple genotypes grown in China

Summary

Introduction

Pineapple [Ananas comosus (L.) Merr.], is the third most important fruit crop in the tropical and subtropical regions of the world, only preceded by banana and citrus [1]. In 2011, the world production of pineapple fruit was 21,865,383 t and China is one of the major pineapple producers, accounting for. In China, nearly 80% of the pineapple fruit is consumed as fresh fruit in the domestic market, and the remainder is processed to produce canned fruit and concentrated juice, which mainly go to the export market [3]. Pineapple is rich in health-promoting antioxidants, such as ascorbic acid, flavonoids, and other phenolic compounds related to antioxidant activities [5,6], which are important indexes for fruit acceptability to the consumer and processor. Several studies on the physico-chemical composition of some pineapple cultivars grown outside China have been reported [7,8,9,10,11]

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