| Title: | "Physiological age at harvest regulates the variability in postharvest ripening, sensory and nutritional characteristics of mango (Mangifera indica L.) cv. Coghshall due to growing conditions" |
| Author(s): | Joas J; Vulcain E; Desvignes C; Morales E; Lechaudel M; |
| Address: | "Centre de Cooperation International de Recherche Agronomique pour le Developpement (CIRAD), UMR Qualisud, MRST, 3 Rue Serge Ycard, F-97490 Sainte-Clotilde, Ile de La Reunion, France. jacques.joas@cirad.fr" |
| ISSN/ISBN: | 1097-0010 (Electronic) 0022-5142 (Linking) |
| Abstract: | "BACKGROUND: Climacteric fruits are harvested at the green-mature stage and ripen during their marketing cycle. However, growing conditions induce variability into the maturity stage of mangoes at harvest, with an impact on their final quality. Assuming that the physiological age can be correctly evaluated by a criterion based on the variable chlorophyll fluorescence of the skin (F(v)) and that differences in physiological age depend on growing conditions, controlled stress experiments were carried out on mango fruit by manipulating either the leaf/fruit ratio or the light environment. RESULTS: Delays from 9 to 30 days were observed, depending on stress level and harvest stage, to obtain the same F(v) value. For moderate stress, fruit composition after ripening was partially compensated for, with little or no difference in sugar, dry matter, carotenoid and aroma contents. For more pronounced stress, the major metabolites were not particularly affected, but the synthesis capacity of carotenoids and aromas was lower after maturity. CONCLUSION: The ripening ability of a fruit is acquired on the tree and defines its postharvest changes. Control of the physiological age at harvest can minimise the variability observed under natural conditions and guarantee fruit batches whose postharvest changes will be relatively homogeneous" |
| Keywords: | "Agriculture/*methods Carotenoids/*metabolism Diet Dietary Sucrose/*metabolism *Environment Fruit/growth & development/*metabolism Humans Light Mangifera/growth & development/*metabolism Nutritive Value *Odorants Plant Leaves Stress, Physiological Volatile;" |
| Notes: | "MedlineJoas, Jacques Vulcain, Emmanuelle Desvignes, Claire Morales, Emeline Lechaudel, Mathieu eng Research Support, Non-U.S. Gov't England 2011/11/22 J Sci Food Agric. 2012 Apr; 92(6):1282-90. doi: 10.1002/jsfa.4696. Epub 2011 Nov 18" |
