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Effect of Moisture and Dry Matter Content of Three Banana Varieties During Storage Condition

N. Amin
Department of Horticulture, Bangladeh Agricultural University, Mymensingh

M.K. Hassan
Department of Horticulture, Bangladeh Agricultural University, Mymensingh

M.G. Mostafa
Department of Crop Botany, Bangladeh Agricultural University, Mymensingh

M.E. Haque
Deartment of Agricultural Extension, Khamarbari, Dhaka

M.J. Ali
Bangladesh Agricultural Development Corporation

Abstract/ Executive Summary:

A study was conducted at the laboratory of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh during the period from August 2006 to January 2007 to evaluate the effect of moisture and dry matter content of banana varieties (Sabri, Champa and Mehersagar) during storage. Postharvest treatments included were control, hot water (52±2°C), tilt (0.2%), unperforated polythene bag with or without KMnO4, perforated polythene bag with or without KMnO₄, low temperature(12±2°C). The two-factor experiment was laid out in completely randomized design with three replications. Data reaveled that significant variations were observed in relation to moisture (%) and dry matter contents among the three varieties during storage. Moisture content (%) was higher in Mehersagar (64.76%) than Sabri (57.24%) and Champa (59.09%). Various postharvest treatments also showed significant influence in moisture content during storage. At the 8th day of storage the maximum moisture content (64.93%) was obtained in the unperforated polythene bag without KMnO₄ and the minimum (54.51%) in low temperature treated fruits. Maximum and minimum dry matter contents were found to be 44.16% and 29.32% in low temperature and unperforated polythene bag without KMnO4, respectively. The combined effect between varieties and different postharvest treatments were significant at all days of storage.

Keywords: Storage condition, Moisture content, Dry matter, Banana varieties.

Location: Department of Horticulture, Bangladesh Agricultural University, Mymensingh

Start Date: 00-08-2006

End Date: 00-01-2007

Program Area: Postharvest and Agro-processing

Commodity: Banana

Objectives:

1. To evaluate the effect of post harvest treatments on moisture and dry matter content of banana varieties (Sabri, Champa and Mehersagar).

Methodology:

The study was conducted at the laboratory of the Department of Horticulture, Bangladesh Agricultural University, Mymensingh during the period from August 2006 to January 2007 to evaluate the effect of moisture (%) and dry matter content of banana varieties (Sabri, Champa and Mehersagar) during storage condotion. The varieties were Sabri(V₁), Champa(V₂) and Mehersagar(V₃) and postharvest treatments included control (T₁), hot water (52±2°C) (T₂), Tilt (0.2%)(T₃), unperforated polythene bag without (T₄) or with (T₅) KMn0₄, perforated polythene bag without (T₆) or with (T₇) KMn0₄, low temperature(12±2°C)(T₈). The temperature and relative humidity of the storage room ranged from 19-27°C and 73-85%, respectively. The two-factor experiment was laid out in completely randomized design (CRD) with three replications of 5 fruits. The mature fruits collected from farmer's garden near Madhupur, Tangail were uniform in size, shape, and free of any visible defects, disease, and insect infestations. The experimental fruits were washed in running water to remove dirts and latex, and subsequently air-dried before imposind the treatments. Certain days after, five gram of the pulp was taken in porcelain crucibles in triplicate and oven-dried at 72±2°C until constant weight attained. Per cent moisture content was calculated by % Moisture = ( I–F) / I ×100, Where, I = initial weight of pulp (gm), and F = final weight of pulp (gm). Percent dry matter content of the pulp was calculated (% dry matter = 100 – % moisture content) from the data obtained during estimation of the moisture content. Changes in expected parameters were investigated. The means for all the treatments were statistically calculated and analyses of variances for all the parameters were performed by F-test. The significance of difference between the pairs of means was compared by least significant difference (LSD) test at 1% and 5% level of probability. For the percentage data, arc-sine transformations were carried out, and statistical analyseswere performed on the transform data.

Source of Information: J. Agrofor. Environ. 6 (1): 139-142, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Combined effects of varieties and postharvest treatments in respect to dry matter content was found significant, and it was highest in Sabri × low temperature combination (47.9%) and the lowest in Mehersagar × unperforated polythene bag without KMnO4 (26.20%).

Knowledge Management: Journal