tropical and subtropical fruits: postharvest biology and...

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Editorial Tropical and Subtropical Fruits: Postharvest Biology and Storage Shifeng Cao , 1 Zhenfeng Yang, 2 and Sunil Pareek 3 1 School of Agriculture, Food and Wine, e University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia 2 College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China 3 National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonepat 131028, India Correspondence should be addressed to Shifeng Cao; [email protected] 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 loss and ensure the maximum quality value. Banana is one of the major commercial fruit crops grown in tropics and subtropics. It is very susceptible to mechanical damage during harvesting, handling, packaging, and transportation, which results in a substantial reduction in quality. Phospholipase D (PLD) is an important enzyme that initiates membrane phospholipid degradation during rip- ening, senescence, and signal transduction that takes place in response to hormones and environmental stresses. Li et al. clone one PLDα gene from banana fruit, which shows an increasing trend during fruit ripening, thereby leading to the damage of cell-membrane integrity and senescence of postharvest bananas. en, they continue their PLD research and focus their paper on its response to mechanical wounding in postharvest banana fruit, which provides basic knowledge for further investigating the mechanism of postharvest banana adapting to environmental stresses. Longan, litchi, and rambutan are typical subtropical fruit opulently cultivated in southern China, which are popular for customers to buy in summer. However, due to cell- membrane lipid peroxidation and polyphenol oxidation, the inherent perishability of these fruit has been considered as a serious problem, resulting in fruit browning or fungal infection in the first week after harvested from orchard, which greatly impairs economic chain of fruit agriculture. Li et al. report that both refrigeration and UV-C exposure can extend 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 flesh disorder developing in ripe fruit. Translucent disorder, translucency, and a litter bit crispy texture, is an abnormal ripening process that occurs at the largest segment of aril. is disorder makes a serious problem for mangosteen grower from the past until now. Noichinda et al. present a research article on this disorder and find that the capillary water in fruit pericarp is one of the reasons in mangosteen aril. Apricots are popular worldwide owing to their high nutritional value and delicious flavor, which not only can be used 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-sensitive fruit and is subject to defects at low temperature. Jing et al. discuss the effects of different harvest maturity on the in- cidence of chilling injury and storage quality of apricots and provide a theoretical reference to the suitable harvest ma- turity of this fruit. Each tropical and subtropical fruit possesses unique characteristics expressed in appearance and flavor and sometimes in its growth habit. Decay and quality de- terioration are the major postharvest problems when the fruit are stored at ambient temperatures. Low temperature storage is an effective method to retard ripening and se- nescence; however, many tropical and subtropical fruit will develop chilling injury and be sensitive to fungal invasion. erefore, better understanding of postharvest physiology of tropical and subtropical fruit and the development of adequate postharvest technologies are vital for successful handling and long distance transport. It is certainly worth investigating improved procedures for storage and ripen- ing that would allow preconditioned, ripening-initiated, Hindawi Journal of Food Quality Volume 2018, Article ID 3026987, 2 pages https://doi.org/10.1155/2018/3026987

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Page 1: Tropical and Subtropical Fruits: Postharvest Biology and ...downloads.hindawi.com/journals/jfq/2018/3026987.pdf · Tropical and Subtropical Fruits: Postharvest Biology and Storage

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; [email protected]

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

Page 2: Tropical and Subtropical Fruits: Postharvest Biology and ...downloads.hindawi.com/journals/jfq/2018/3026987.pdf · Tropical and Subtropical Fruits: Postharvest Biology and Storage

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

Page 3: Tropical and Subtropical Fruits: Postharvest Biology and ...downloads.hindawi.com/journals/jfq/2018/3026987.pdf · Tropical and Subtropical Fruits: Postharvest Biology and Storage

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