Table 3
Hunter ’s color value of acorn and acorn tea

Samples¹⁾	Hunter'scolor value
Samples¹⁾	L	a	b
NA	52.71±0.21^a2	7.48±0.22^a	25.31±0.16^a
OSAT	47.35±0.39^b	7.36±0.04^a	22.05±0.16^b
TSAT	38.29±0.27	7.43±0.04^a	17.07±0.11^c
RAT	45.01±0.11^c	5.88±0.04^b	15.38±0.17

NA, natural acron dried by room temperature; OSAT, acorn tea produced by one steaming (100℃, 15min) and drying; TSAT, acorn tea produced by three steaming (100℃, 15min) and drying; RAT, acorn tea produced by roasting (220℃, 10min).
All value are expressed as mean±SD of triplicate determinations. Different superscripts within the column are significantly different at p<0.05 by Duncan`s multiple range test.