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Screening of Some Bangladesh Cultivars of Rice for Their Consumers' Preference and Nutritional Characteristics

M. R. I. Khan
Scientific Officer. Bangladesh Institute of Nuclear Agriculture Mymensingh.

A. K. Kaul
Bangladesh Agricultural Research Council. Farm Gate, Dhaka.

Abstract/ Executive Summary:

Large variation for the physicochemical and histochemical properties were found in the grains of sixty varieties of rice of Bangladesh. Red pericarped varieties. which are popular for their taste. had high amylose % Nonwaxy rice varieties had 17.6 to 32.8% amylose. whereas the only waxy variety Binni retained 5.5'/. amylose. The protein content ranged from 6.1 to 12.8%. the mean being 8.5%. The local Boro varieties had higher protein content than the high yielding and other local varieties. The Dye-binding capacity values for Boro varieties also indicate better protein quality in them. The popular rice varieties like Biroi, Nizersail. Chikon. Ragusail ctc. showed low nutritional value because of low protein content in them. Protein content in rice was found to be negatively correlated with the amylose content. The DBC technique was found to be more rapid. less expensive and more reproductive than Kjeldahl determination. The high protein varieties like Boiragi. Badshabhog. Hbj. B VI and Tepi- boro had high microscope section score as well as high lysine and tryptophan content which indicates that these varieties can be used as good donors in a breeding program.

Keywords: Screening, Rice,Consumers preference,Nutrition

Location: Various agricultural research institutes in Bangladesh and from the districts of Dacca, Mymensingh, Bogra, Patuakhali, Barisal, Rajshahi, and Sylhet

Start Date:

End Date:

Program Area: Variety and Species

Commodity: Rice

Objectives:

To estimate the consumers' preference characteristics and nutritional characteristics of rice judged by laboratory tests.

Methodology:

The rice varieties screened were collected from various agricultural research institutes in Bangladesh and from the districts of Dacca, Mymensingh, Bogra, Patuakhali, Barisal, Rajshahi, and Sylhet. The material comprised six Boro, twelve Aus, four Broadcast Aman and thirty eight Transplant Aman. Out of 60 rice varieties studied, 6 were high yielding varieties. Preparation of Samples The grain samples were stored at room temperature in sealed glass bottles. Rough rice samples were cleaned and dehulled by a Sa take grain mill before grinding to 60 mesh powder in a Wiley mill. Moisture content was determined, employing the air-oven method (AOAC, 1955) and all values are reported at 10% constant moisture basis.

Source of Information: Bangladesh Journal of Agriculture Vol. 7 No. 3-4, Sep. &. Dec. 1982

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Knowledge Management: Journal