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Articles by B.K. Bala
Total Records ( 2 ) for B.K. Bala
  M. A. Rahman , A. Khair , B.K. Bala , A.K.M. S. Islam and F. M. Rabbi
  Formation of structured water by dissolution of non-polar gas increases the viscosity of water and results in suppression of metabolic activity due to the resultant low rate of enzymic reaction. This phenomenon was applied to extend the storage life of eggplant fruits using Xe gas. Two combinations of temperatures and partial pressures of Xe were investigated. The respiration rates in Xe treated samples were found to be 10.1 and 11.9 mgCO2 kg-1 h-1, for 10 and 15 oC, respectively and were less than those of control. The Xe treated samples showed a lower respiration rate. The calyx was not deteriorated and flesh browning was not observed. Weight loss did not differ significantly, however lower in the treated sample. Therefore, the Xe treatment was found to be effective for extending the storage life of eggplant fruits.
  M. A. Rahman , A.K.M.S. Islam , A. Khair and B.K. Bala
  Two tests were conducted using xenon (Xe), krypton (Kr) and nitrogen (N2) for storage of persimmon fruits. Under test-1, fruits were treated with Xe, Kr and N2 at a partial pressure of 0.3MPa for nine days at 10 oC. In test-2, only Xe gas was applied with 0.3MPa to the fruits for 17 days at 15 oC. In test-1, the estimated respiration rate was the lowest at 3.1 mgCO2 kg–1 h–1 in Xe treated sample, while it was 5.9, 6.7 and 6.9 mgCO2 kg–1 h–1 for Kr, N2 and control treatments respectively. No significant changes in colour and taste were observed at all. In test-2, Xe treatment showed a lower respiration rate (8.0 mgCO2 kg–1 h–1) as compared with the control (10.2 mgCO2 kg–1 h–1). The respiration rates were 47 and 22% lower in Xe treated persimmons than that of the control at 10oC and 15oC, respectively. In the control treatment, colour was started to deteriorate after nine days (test -2). Suppression of both the colour change and browning of flesh were observed in the treated sample. Metabolic activity was suppressed in samples treated with Xe. It was concluded that the Xe treated sample was in good condition. Therefore, the Xe treatment could be used for extending the storage life of persimmon fruit.
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