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Some physical properties of lentil seeds
Scopus
Toplam 209 atıf DOI
Several physical properties of lentil seed were evaluated as a function of moisture content. The average diameter, thickness, unit mass and volume of seed were 6·64 mm, 2·65 mm, 0·070 g and 49·08 mm3 respectively at 6·5% m.c.d.b. Studies on rewetted seed showed that as moisture content increased from 6·5 to 32·6% d.b., bulk density decreased from 1190 to 935 kg/m3, porosity increased from 27·4 to 32·0%, projected area increased from 56 to 82 mm2 and terminal velocity increased from 10·95 to 12·06 m/s. The static and dynamic coefficients of friction of lentil seed against galvanized sheet metal, plywood and rubber surfaces increased with moisture content in the range from 6·5 to 32·6% d.b. The largest coefficient of friction was against a rubber surface, ranging from 0·374 to 0·532. The effect of moisture content was as great as or greater than the difference between the surfaces. © 1996 Silsoe Research Institute.
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Determination of Physico-mechanical and Chemical Properties of Pecan [Carya illinoinensis (Wangenh.) K. Koch] Grown in Türkiye
Scopus
Havuzumuzda 4 atıf almış
This study aimed to determine the physico-mechanical and chemical properties in pecan. Pecan nuts were supplied from Serik district of Antalya province in the 2022–2023 production season. The values of length, width, thickness, shell thickness, geometric mean diameter, sphericity, bulk density, true density and porosity of pecan were found to be 4% moisture content (d.b.) 43.94 mm, 22.27 mm, 20.45 mm, 1.11 mm, 27.14 mm, 61.82%, 441.05 kg m−3, 771.15 kg m−3 and 42.80%, respectively. The values of moisture, protein and crude oil of pecan kernel were determined to be 3.48%, 11.59% and 66.01%, respectively. The primary fatty acid component was found to be oleic acid, which accounted for 50.57% of the total. Macro-elements (N, P, K, Ca, Mg), micro-elements (Na, Fe, Zn, Cu, Mn, B) and heavy metals (Al, As, Ba, Cd, Co, Cr, Mo, Ni, Pb, Se) were also detected in pecan kernels. As a result of the chemical analyses performed on pecans, it can be said that pecan is a very rich foodstuff in terms of nutritional values such as oil content, fatty acid components and minerals, etc., and can be easily used in diets. Moreover, the physico-mechanical results of this study can be applied to improve the harvesting and threshing stages, transport and storage processes, as well as to develop machines for pecan farming.