Table 5 Pasting properties degree of yams grinded by various mills

Sample	Viscosity (cp)
	Initial pasting temperature (°C)	Peak viscosity	Peak Time (min)	Final Viscosity	Setback
	PM80	84.55±0.49^a*	361.50±16.26^a	7.00±0.00^a	462.00±16.97^a	161.50±3.54^b
PM20	84.53±0.60^a	351.50±4.95^a	6.97±0.05^a	478.50±0.71^a	180.50±6.36^a
RM	84.03±1.10^a	254.50±19.09^c	7.00±0.00^a	384.50±26.16^b	175.50±10.61^a
JM3000	84.08±0.04^a	308.50±17.68^b	7.00±0.00^a	418.50±19.09^b	164.50±3.54^b
JM9000	82.30±0.00^b	169.00±2.83^d	7.00±0.00^a	270.50±7.78^c	123.50±6.36^c

PM80: Pin mill (80 mesh screen), PM20: Pin mill (20 mesh screen), RM: Roll mill, JM3000: Jet mill (3,000 rpm), JM9000: Jet mill (9,000 rpm)
Same letters in the same column are not significantly different (p<0.05)