Impact of Pre-Storage Melatonin Application on the Standard, Sensory, and Bioactive Quality of Early Sweet Cherry

被引:11
作者
Cortes-Montana, Daniel [1 ]
Bernalte-Garcia, Maria Josefa [2 ]
Velardo-Micharet, Belen [1 ]
Serrano, Maria [3 ]
Serradilla, Manuel Joaquin [1 ]
机构
[1] Ctr Sci & Technol Res Extremadura, Dept Postharvest Sci, Avd Adolfo Suarez S-N, Badajoz 06007, Spain
[2] Univ Extremadura, Dept Plant Biol Ecol & Earth Sci, Avd Adolfo Suarez S-N, Badajoz 06007, Spain
[3] Univ Miguel Hernandez, Dept Appl Biol, Ctra Beniel Km 3-2, Orihuela 03312, Spain
关键词
Prunus avium L; elicitor; postharvest; sensory analysis; purchase intention; polyphenols; FRUIT; HARVEST;
D O I
10.3390/foods12081723
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Melatonin (N-acetyl-5-methoxytryptamine) is involved in multiple functions in plants. However, its role in some metabolic pathways and exogenous application's effect on fruits is still unclear. Furthermore, the effects of pre-storage melatonin treatment on sensory traits and consumer acceptance of cherries have yet to be studied. For this reason, the early sweet cherry cultivar 'Samba' harvested at the commercial ripening stage was treated with different melatonin concentrations (0.1, 0.3, and 0.5 mmol L-1) and stored for 21 days under controlled cold temperature and humidity. The standard quality, respiration rate, postharvest aptitude, sensory quality, phenols, and antioxidant systems (non-enzymatic and enzymatic) were analysed at 14 and 21 days of storage. Postharvest treatment with melatonin 0.5 mmol L-1 improved firmness and reduced weight loss and non-commercial fruit percentage while increasing respiration rate, lipophilic antioxidant activity, and ascorbate peroxidase enzyme activity. Furthermore, the treated cherries showed better sensory qualities, such as uniformity of colour and skin colour, as well as being sourer and showing better consumer acceptance and liking after 14 days of storage. Therefore, we conclude that the 0.5 mmol L-1 concentration is effective on the standard, sensory, and bioactive quality of early sweet cherries and can be considered an eco-friendly tool for maintaining the postharvest quality of early cherries.
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页数:16
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