Several imperious physical characteristics of the Trachyspermum ammi L. (ajwain seed)

Abstract

In this study, ajwain seeds measured 2.64 ± 0.45 mm in length, 1.65 ± 0.34 mm in width, and 0.92 ± 0.15 mm in thickness at a moisture content of 6.45% (wet basis). The mean geometric diameter and sphericity were 2.16 ±0.10 mm and 0.635 ± 0, respectively. The ajwain seed has an oval shape and a ridged appearance. Its surface area and bulk density are 11.43 ±0.52 mm2 and 466.22 ±9.18 kg/m3, respectively. The angle of repose obtained was 39.90 degrees. The coefficient of friction between the ajwain seed and galvanized steel was 0.53.