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Issue 13 (3) 2014 pp. 309-319

Folasade Maria Makinde1, Rahman Akinoso2

1Department of Food Science and Technology, Bowen University, Osun State, Nigeria
2
Department of Food Technology, University of Ibadan, Ibadan, Nigeria

Comparison between the nutritional quality of flour obtained from raw, roasted and fermented sesame (Sesamum indicum L.) seed grown in Nigeria

Abstract

Background. The most common form of utilization of sesame seed is its roasting, which supplies nutrients to the diet. Therefore, in view of the nutritional values of sesame seeds, the present study aimed at investigating the effect of roasting and fermentation 011 the nutritional quality of sesame flour.

Material and methods. Nigeria grown white sesame seeds (NC’RI-98-60) were collected from National Cereal Research Institute (NCRI). Badegi. Nigeria. The seeds were divided into three portions, and treated as raw. roasted and fermented sesame seeds respectively. Each of the samples was milled, sieved and analysed for chemical composition using standard methods. Animal smdies were used to evaluate the raw and processed sesame in terms of nutritional and histopathological qualities.

Results. The ranges of proximate contents from sesame were: protein 15.4-26.5 g/100 g. fat 52.4-62.8 g/100 g, crude fibre 3.34-3.89 g/100 g. ash 3.93-6.78 g/100 g. carbohydrate 11.7-13.4 g/100 g and energy value 550.7-593.7 kcal/g. Among the minerals, calcium was highest (464-567 mg/100 g) followed by phosphorus (442-508 mg/100 g). magnesium (399-455 mg/100 g) and potassium (336-489 mg/100 g). Total essential amino acid was within the range of 26.66-32.73 mg/100 g and these values were higher than FAO/WHO dietary requirement for infant and adult. Fatty acid profiles of raw. roasted and fermented sesame showed a predominance of oleic acid (46.43%, 44.20%, and 43.16%, respectively) followed by linoleic acid (36.76%. 39.02%, and 39.67%); while the least was behenic acid. The unsaturated/saturated fatty acid ratio ranges between 5.01-5.13. Phytate and oxalate concentrations of fermented sesame were significantly reduced than other food samples. In general, fermented sesame was found to have to have better nutritional quality as indicated by rat growth response. Correspondingly, the Food Efficiency Ratio (FER) value of 0.16 was higher than raw and roasted sesame respectively. Significantly higher Protein Efficiency Ratio (PER) value was also obtained for fermented sesame. The organ to body ratios of the test animals were influenced by treatments as recorded
on heart, kidney, spleen, liver and pancreas.
Conclusion. The present study investigated the effect of roasting and fermentation 011 the nutritional quality of sesame flour. The findings showed that roasting and fermentation could enhance the nutritional quality of sesame seeds without detrimental effect 011 human.

Keywords: sesame seeds, nutritional quality, roasting, fermentation, rat and organ weight
pub/.pdf Full text available in english in Adobe Acrobat format:
http://www.food.actapol.net/issue3/volume/9_3_2014.pdf

http://dx.doi.org/10.17306/J.AFS.2014.3.9

For citation:

MLA Makinde, Folasade Maria, and Rahman Akinoso. "Comparison between the nutritional quality of flour obtained from raw, roasted and fermented sesame (Sesamum indicum L.) seed grown in Nigeria." Acta Sci.Pol. Technol. Aliment. 13.3 (2014): 309-319. http://dx.doi.org/10.17306/J.AFS.2014.3.9
APA Makinde F.M., Akinoso R. (2014). Comparison between the nutritional quality of flour obtained from raw, roasted and fermented sesame (Sesamum indicum L.) seed grown in Nigeria. Acta Sci.Pol. Technol. Aliment. 13 (3), 309-319 http://dx.doi.org/10.17306/J.AFS.2014.3.9
ISO 690 MAKINDE, Folasade Maria, AKINOSO, Rahman. Comparison between the nutritional quality of flour obtained from raw, roasted and fermented sesame (Sesamum indicum L.) seed grown in Nigeria. Acta Sci.Pol. Technol. Aliment., 2014, 13.3: 309-319. http://dx.doi.org/10.17306/J.AFS.2014.3.9