Document Type : Research Paper
Authors
Department of Food Technology, College of Agricultural Engineering Sciences, Salahaddin University-Erbil, Kurdistan Region, Iraq)
Abstract
The aim of this investigation to determine the physical and chemical properties of three sesame seeds sample to see the differences between mixed and the sieved sesame seed and which one is better and which sesame seed has the best physical and chemical properties: which were taken from sharzoor in Sulaymaniyah (S, mixed brown), Akre in Duhok (A, mixed brown) and Mala Omar in Hawler (MO, mixed brown). For each sample two parts were taken to undergoes study the first one as a mix and other part was sieved in three different mesh size sieve (1.50, 1.35, 1) mm, then three sieves divisions of sesame seed size were obtained, Large (L), Medium (Med), Small (Sm) and the three dimension of all sesame seeds parts were measured by applying Digital Dial Caliper instrument. The dimensions length (L,mm), width(W,mm) and Thickness(T,mm) were measured for determine of geometrical properties of sesame seeds sample and all samples color was as a mix of brown color such as volume (V, mm^3), sphericity (S, %,), arithmetic diameter (Da, mm), geometric diameter (Dg, mm), apparent density (𝜌d, kg/m3), transverse surface area (At, mm2) and flat surface area (Af, mm2) also weight of 100 seeds (g) was estimated. The result of the study indicated that Akre (A) sesame seed sample length for mix and med has higher value 3.33 and 3.08 mm respectively. The Mala Omar sample width for all mix and other parts large, small reported higher measurement 1.75, 1.86, 1.27mm respectively. The thickness of the mix and large parts of Sharazoor reported higher measurement 0.90 and 0.91 mm while. Mala Omar Sample C3 of sesame seed scored highest moisture content 4.909%, while Akre sample B1 recorded the lowest moisture content. The large part of S, A and MO sesame seed samples firstly with higher fiber content 16.141, 17.56, 18.34 respectively.
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