Abstract
Aims: An experiment was conducted to examine the effect of various concentrations of melatonin on post harvest weight loss and shelf life of three traditional banana varieties viz. Ney Poovan, Nendran and Red Banana. Study Design: Completely Randomized Design. Place and Duration of Study: Post Graduate laboratory, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore during 2022. Methodology: Banana hands were dipped in 0.5, 1.0, 1.5, 2.0, 2.5 and 3.0 mM melatonin for 15 minutes and were stored at ambient temperature. The hands dipped in water were treated as control. Observations on physiological weight loss and shelf life were recorded till the fruits remained marketable. Results: The results depicted that fruits immersed in 1.0 and 1.5 mM melatonin for 15 minutes recorded lower weight loss (31.56, 30.55 and 24.90%) on 11th, 11th and 12th day of storage and longer shelf life by 3, 2.67 and 2.67 days in Ney Poovan, Nendran and Red Banana respectively. Conclusion: The effects of melatonin were due to its efficiency in reducing transpiration and respiration and thereby lowering weight loss. The lowered metabolic activity not only mitigated weight loss but also maintained firmness and turgidity of the fruits and thereby prolonging the storability. It was evident from the results that melatonin treatment could be a good practice for extending postharvest life of banana by reducing the physiological loss in weight simultaneously maintaining the appearance.
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Claims 9
Claim · model-written summary
Melatonin reduced weight loss in Ney Poovan to 31.56%.
Verbatim
e0“fruits immersed in 1.0 and 1.5 mM melatonin for 15 minutes recorded lower weight loss (31.56, 30.55 and 24.90%) on 11th, 11th and 12th day of storage”
e1“Ney Poovan, Nendran and Red Banana respectively”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
Melatonin reduced weight loss in Nendran to 30.55%.
Verbatim
e0“fruits immersed in 1.0 and 1.5 mM melatonin for 15 minutes recorded lower weight loss (31.56, 30.55 and 24.90%) on 11th, 11th and 12th day of storage”
e1“Ney Poovan, Nendran and Red Banana respectively”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
Melatonin reduced weight loss in Red Banana to 24.90%.
Verbatim
e0“fruits immersed in 1.0 and 1.5 mM melatonin for 15 minutes recorded lower weight loss (31.56, 30.55 and 24.90%) on 11th, 11th and 12th day of storage”
e1“Ney Poovan, Nendran and Red Banana respectively”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
Melatonin extended Ney Poovan shelf life by 3 days.
Verbatim
e0“longer shelf life by 3, 2.67 and 2.67 days in Ney Poovan, Nendran and Red Banana respectively”
e1“1.0 and 1.5 mM melatonin for 15 minutes”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
Melatonin extended Nendran shelf life by 2.67 days.
Verbatim
e0“longer shelf life by 3, 2.67 and 2.67 days in Ney Poovan, Nendran and Red Banana respectively”
e1“1.0 and 1.5 mM melatonin for 15 minutes”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
Melatonin extended Red Banana shelf life by 2.67 days.
Verbatim
e0“longer shelf life by 3, 2.67 and 2.67 days in Ney Poovan, Nendran and Red Banana respectively”
e1“1.0 and 1.5 mM melatonin for 15 minutes”
e2“The hands dipped in water were treated as control.”
Claim · model-written summary
The authors attribute reduced weight loss to reduced transpiration and respiration.
Verbatim
e0“The effects of melatonin were due to its efficiency in reducing transpiration and respiration and thereby lowering weight loss.”
Claim · model-written summary
The authors attribute maintained fruit firmness and turgidity to lower metabolic activity.
Verbatim
e0“The lowered metabolic activity not only mitigated weight loss but also maintained firmness and turgidity of the fruits and thereby prolonging the storability.”
t0“Banana”
Claim · model-written summary
The authors recommend melatonin to extend postharvest banana life.
Verbatim
e0“melatonin treatment could be a good practice for extending postharvest life of banana by reducing the physiological loss in weight simultaneously maintaining the appearance.”
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melatonin · quality: postharvest · MusaResults agree
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