Effect of post-harvest treatments on ripening behaviour and quality aspect of banana fruit grown under hill zone.
Lakshmana, Umesh, K. and Kumar, M. D.
Karnataka Journal of Agricultural Sciences. Volume 66 Issue 8, 2001. Pages 1112 - 1118
2001
บทคัดย่อ
A study was conducted in Karnataka, India, in the winter of 1998 to determine the most feasible method for optimum ripening of banana cv. Robusta. Banana bunches were either smoked for 24 h, or dipped in hot water (55 deg C for 5 minutes) or Ethrel [ethephon] (50, 100, 250, 500, 750 and 1000 ppm for 5 minutes). The level of total soluble solids (TSS) and total sugars increased to a considerable extent in the ripened fruits compared with those unevenly ripened fruits. TSS enhancement was observed in all samples with a gradually increasing trend. However, the same magnitude of TSS level was not observed in the control and hot water treatments. The level of total sugars increased progressively in all ripened bananas, irrespective of the treatments given. Ripening accelerated as the Ethrel concentrations increased. However, in the 250 ppm Ethrel treatment, fruits exhibited uniformity in ripening compared to all treatments. Hence, treatment with 250 ppm Ethrel is considered optimum for the conversion of starch and acids under 18 and 26 deg C with 60-70% RH. Thus, treatment with 250 ppm Ethrel dip was ideal for uniform ripening of Robusta banana fruits grown under hill zone.