Table 4. Size and physical properties of three sesame seed varieties

Physical properties	WS¹⁾	YS	BS
Length (L, mm)	3.12±0.15^2)a3)	2.80±0.23^a	3.03±0.10^a
Width (W, mm)	1.82±0.10^b	1.83±0.13^b	1.67±0.10^a
Thickness (T, mm)	0.69±0.08^a	0.75±0.06^a	0.83±0.11^a
Equivalent diameter (ED, mm)	1.63±0.03^a	1.68±0.02^b	1.79±0.08^c
Surface area (S, mm²)	8.35±0.31^a	8.87±0.21^b	10.06±0.90^c
Volume (V, mm³)	2.27±0.13^a	2.48±0.09^b	3.00±0.40^c
Sphericity (%)	52.24±0.49^a	60.74±0.84^b	59.08±0.46^b
Angle of repose (θ_r, °)	19.46±0.15^a	24.67±0.58^b	23.67±0.63^b
Sliding angle (θ, °)	21.62±1.53^a	28.90±0.13^b	27.08±1.86^b
Coefficient of friction (μ)	0.39±0.03^a	0.55±0.01^b	0.51±0.04^b

WS, Me Trang; YS, Me Vang; BS, Me Den from Dien Bien province, Vietnam.
All values are mean±SD (n=10).
Different superscript letters (^a-c) in the same rows indicate signficant differences (p<0.05) between samples.