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COMPARATIVE STUDY
JOURNAL ARTICLE
Tree age affects physicochemical, functional quality and storability of Amrapali mango (Mangifera indica L.) fruits.
BACKGROUND: The effect of tree age on physicochemical quality attributes and storage behaviour of Amrapali mango fruit was evaluated. Physiologically mature fruits were harvested from 6-, 18- and 30-year-old trees and kept for ripening under ambient conditions (temperature 35 ± 3 °C, relative humidity 60 ± 5%). Observations were recorded at 3-day intervals.
RESULTS: Highest total soluble solids and total sugars were found in the fruit sourced from 18-year-old trees. At the end of storage, least titratable acidity (0.17%) and higher carotenoids (10.86 mg 100 g-1 ) were found in 30-year-old tree fruits during the last day of storage. Highest total phenols (TP) (251.33 μg gallic acid g-1 ), antioxidant capacity (AC) (5.63 μmol Trolox g-1 ) and ascorbic acid (AA) (31.13 mg 100 g-1 ) were reported in fruits from younger trees of 6 years old. Maximum respiratory and ethylene evolution peak was observed in fruits obtained from oldest trees, whereas least activities of pectin methyl esterase (0.31 μmol min-1 g-1 fresh weight) and polygalacturonase (53.67 μg galacturonic acid g-1 h-1 ) were observed in 6-year-old tree fruits at the end of the 9-day storage period.
CONCLUSION: Higher total soluble solids and total sugars were found in fruit harvested from middle-age-group (18-year-old) trees during the entire storage period of 9 days. Most of the functional parameters, such as TP, AC and AA, were observed to be higher in fruits from younger (6-year-old) trees. The obtained results revealed that produce from middle-age-group (18-year-old) Amrapali mango orchards suit consumers' and processors' requirements. © 2017 Society of Chemical Industry.
RESULTS: Highest total soluble solids and total sugars were found in the fruit sourced from 18-year-old trees. At the end of storage, least titratable acidity (0.17%) and higher carotenoids (10.86 mg 100 g-1 ) were found in 30-year-old tree fruits during the last day of storage. Highest total phenols (TP) (251.33 μg gallic acid g-1 ), antioxidant capacity (AC) (5.63 μmol Trolox g-1 ) and ascorbic acid (AA) (31.13 mg 100 g-1 ) were reported in fruits from younger trees of 6 years old. Maximum respiratory and ethylene evolution peak was observed in fruits obtained from oldest trees, whereas least activities of pectin methyl esterase (0.31 μmol min-1 g-1 fresh weight) and polygalacturonase (53.67 μg galacturonic acid g-1 h-1 ) were observed in 6-year-old tree fruits at the end of the 9-day storage period.
CONCLUSION: Higher total soluble solids and total sugars were found in fruit harvested from middle-age-group (18-year-old) trees during the entire storage period of 9 days. Most of the functional parameters, such as TP, AC and AA, were observed to be higher in fruits from younger (6-year-old) trees. The obtained results revealed that produce from middle-age-group (18-year-old) Amrapali mango orchards suit consumers' and processors' requirements. © 2017 Society of Chemical Industry.
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