Table 1. Moisture content, water activity, soluble solid, titratable acidity, and pH of cold vacuum dried lotus root with different pretreated conditions

	Moisture contents (%)	Water activity (Aw)	Soluble solids (°Brix)	Titratable acidity (%)	pH
Non-treatment	2.97±0.41^b1)	0.46±0.00^NS2)	0.00±0.00^a	0.70±0.03^a	6.30±0.01^b
0%	2.71±0.13^b	0.42±0.00^NS	0.13±0.23^a	0.72±0.00^a	6.36±0.01^c
10%	2.94±0.29^b	0.43±0.00^NS	0.27±0.46^ab	0.74±0.03^a	6.41±0.00^d
20%	2.09±0.17^a	0.43±0.00^NS	0.93±1.01^ab	0.77±0.07^a	6.35±0.01^c
30%	2.45±0.33^ab	0.43±0.00^NS	1.33±061^b	0.72±0.00^a	6.27±0.01^a

All values are mean±SD (n=3). Different superscript letters (^a-d) in the same column indicate significant differences by Duncan’s multiple range test (p<0.05).
NS, not significant.