Parboiling Of Paddy Rice The Science And Perceptions Of It As Practiced In Northern Ghana
Journal: International Journal of Scientific & Technology Research (Vol.2, No. 4)Publication Date: 2013-04-25
Authors : Ayamdoo J. A; Demuyakor B; Dogbe W; Owusu R.;
Page : 13-18
Keywords : Index Terms - Parboiling; Gelatinized; Paddy rice; Physical qualities; Northern regions;
Abstract
Abstract - Parboiling is a set of operations needed for the production of a gelatinized product. Scientifically it is a thermal treatment process done on rice and other cereals. Water and heat are two essential elements to transform the natural cereal into parboiled cereal. In rice it is done to produce gelatinized or parboiled rice. Parboiling if examined carefully has other scientific benefits beyond easy milling and reducing broken grains. Unfortunately the technology has received little attention in terms of research as far as food processing or preservation is concern. As part of an ongoing research to assess the extent to which parboiling affect the migration of vitamin B1 a preliminary survey was conducted between October 2012 and December 2012 in the three northern regions of Ghana to elucidate the scientific principles behind the practice and to what extend processors understand these principles. This work also aimed at high lighting the practice so as to encourage people to adapt indigenous technologies which may have more beneficial health effects. Eighty 80 processors in the three northern regions drawn by purposive sampling methods were interviewed using structured and semi structured questionnaires. The results showed that 100 of the people engaged in parboiling business are women with over 70 of them having no formal education and therefore are unaware of any effects of parboiling on nutritional elements. It became clear that parboiling increased the flavour and taste of the rice thus making it attractive to eat. However the respondents only mentioned less broken grains easy dehusking ease of cooking increase quantity better prices and parboiling being a norm as some of the reasons why they carry out rice parboiling. From the outcome of this survey its recommended more studies be done on the subject to ascertain the nutritional impact of the practice. Also the processors need to be trained on parboiling and nutrition to build their knowledge on the scientific advantages of the process to enable them improves their practices.
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