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EditorialTropical and Subtropical Fruits: Postharvest Biology and Storage
Shifeng Cao ,1 Zhenfeng Yang,2 and Sunil Pareek 3
1School of Agriculture, Food and Wine, e University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia2College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China3National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat 131028, India
Correspondence should be addressed to Shifeng Cao; shifengcao1@gmail.com
Received 17 April 2018; Accepted 17 April 2018; Published 9 May 2018
Copyright © 2018 Shifeng Cao et al. �is 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.
�is special issue is focused on the factors involved in ripening,senescence, and deterioration of harvested tropical and sub-tropical fruits and the postharvest technologies to restrict lossand ensure the maximum quality value.
Banana is one of themajor commercial fruit crops grownin tropics and subtropics. It is very susceptible to mechanicaldamage during harvesting, handling, packaging, andtransportation, which results in a substantial reduction inquality. Phospholipase D (PLD) is an important enzyme thatinitiates membrane phospholipid degradation during rip-ening, senescence, and signal transduction that takes place inresponse to hormones and environmental stresses. Li et al.clone one PLDα gene from banana fruit, which shows anincreasing trend during fruit ripening, thereby leading to thedamage of cell-membrane integrity and senescence ofpostharvest bananas.�en, they continue their PLD researchand focus their paper on its response to mechanical woundingin postharvest banana fruit, which provides basic knowledgefor further investigating the mechanism of postharvest bananaadapting to environmental stresses.
Longan, litchi, and rambutan are typical subtropical fruitopulently cultivated in southern China, which are popularfor customers to buy in summer. However, due to cell-membrane lipid peroxidation and polyphenol oxidation, theinherent perishability of these fruit has been considered asa serious problem, resulting in fruit browning or fungalinfection in the �rst week after harvested from orchard,which greatly impairs economic chain of fruit agriculture. Liet al. report that both refrigeration and UV-C exposure canextend the shelf life of the three fruit.
Mangosteen is popularly grown in Southeast Asia.During on-tree maturation of mangosteen fruit, rainfall
frequently induces more translucent �esh disorder developingin ripe fruit. Translucent disorder, translucency, and a litter bitcrispy texture, is an abnormal ripening process that occurs atthe largest segment of aril. �is disorder makes a seriousproblem for mangosteen grower from the past until now.Noichinda et al. present a research article on this disorder and�nd that the capillary water in fruit pericarp is one of thereasons in mangosteen aril.
Apricots are popular worldwide owing to their highnutritional value and delicious �avor, which not only can beused as fresh fruit but also has a high importance as pro-cessed product. Refrigeration is widely used to delay rip-ening and control fruit decay, but apricot is a cold-sensitivefruit and is subject to defects at low temperature. Jing et al.discuss the e�ects of di�erent harvest maturity on the in-cidence of chilling injury and storage quality of apricots andprovide a theoretical reference to the suitable harvest ma-turity of this fruit.
Each tropical and subtropical fruit possesses uniquecharacteristics expressed in appearance and �avor andsometimes in its growth habit. Decay and quality de-terioration are the major postharvest problems when thefruit are stored at ambient temperatures. Low temperaturestorage is an e�ective method to retard ripening and se-nescence; however, many tropical and subtropical fruit willdevelop chilling injury and be sensitive to fungal invasion.�erefore, better understanding of postharvest physiologyof tropical and subtropical fruit and the development ofadequate postharvest technologies are vital for successfulhandling and long distance transport. It is certainly worthinvestigating improved procedures for storage and ripen-ing that would allow preconditioned, ripening-initiated,
HindawiJournal of Food QualityVolume 2018, Article ID 3026987, 2 pageshttps://doi.org/10.1155/2018/3026987
ready-to-eat fruit to be offered to consumers. Genetictransformation to manipulate the progression and uni-formity of ripening, disease resistance, and senescence maybe also a helpful strategy.
Shifeng CaoZhenfeng YangSunil Pareek
2 Journal of Food Quality
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