Ruining Zhang, Jinhui Lv, Jing Yu, Hailin Xiong, Ping Chen, Hongxing Cao, Jerome Jeyakumar John Martin
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Antioxidant Analysis of Different Parts of Several Cultivars of Papaya (Carica Papaya L.)
ABSTRACT Research and development of natural antioxidants are gaining popularity with their wide application in food and medicine. Papaya (Carica papaya L.), a plant of medicinal and food value, is widely planted in tropical regions. This study was conducted to compare the tissues of different organs of papaya as well as the leaves and flowers of 9 cultivars of papaya. The three methods, namely, the 2,2’-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay, the 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging assay and the ferric reducing antioxidant power (FRAP) assay, were used to determine the total antioxidant activities. Also, the total phenolic content and the total flavonoid content were investigated to evaluate the antioxidant capacity. Our research shows that leaves and roots of papaya manifested higher antioxidant properties among all tested organs, and leaves and flowers of Daqing cultivar exhibited the strongest antioxidant ability. Overall, our results indicate papaya has the potential to become a natural antioxidant resource.
期刊介绍:
The International Journal of Fruit Science disseminates results of current research that are immediately applicable to the grower, extension agent, and educator in a useful, legitimate, and scientific format. The focus of the journal is on new technologies and innovative approaches to the management and marketing of all types of fruits. It provides practical and fundamental information necessary for the superior growth and quality of fruit crops.
This journal examines fruit growing from a wide range of aspects, including:
-genetics and breeding
-pruning and training
-entomology, plant pathology, and weed science
-physiology and cultural practices
-marketing and economics
-fruit production, harvesting, and postharvest