Table 3 Particle size of yams grinded by various mills

Sample	Particle size (μm)
	Diameter at 10%	Diameter at 50 %	Diameter at 90 %	Mean Diameter
	PM80	12.07±0.65^a*	29.88±2.01^b	238.45±2.25^b	83.46±1.94^b
PM20	12.77±0.42^a	37.69±0.66^a	303.04±3.74^a	110.73±2.48^a
RM	13.67±0.77^a	37.07±2.84^a	311.66±4.33^a	112.50±4.26^a
JM3000	7.05±0.23^b	21.61±0.61^c	50.80±1.35^c	26.78±1.58^c
JM9000	3.00±0.06^c	10.55±0.36^d	28.75±0.69^d	13.85±0.45^d

PM80: Pin mill (80 mesh screen), PM20: Pin mill (20 mesh screen), RM: Roll mill, JM3000: Jet mill (3,000 rpm), JM9000: Jet mill (3,000 rpm)
Same letters in the same column are not significantly different (p<0.05)