Table 3
Storage properties of lotus leaves with different pretreatments at -10℃

Pre-treatments	Soluble solids (°Brix)	pH	Total acid (%,w/v)	Polyphenol (mg/kg GAE3))	Bacteria (CFU/mL)	Molds (CFU/mL)
Fresh	0.37±0.061)b2)	5.34±0.08c	0.02±0.01b	386.80±100.56b	0.15×105	ND4)
Blanched	0.23±0.06c	5.79±0.03a	0.01±0.00c	178.79±12.65c	0.04×105	ND
Roasted	0.37±0.06b	5.53±0.09b	0.02±0.00b	308.74±26.92b	0.05×105	ND
Dried	0.77±0.06a	5.10±0.10d	0.04±0.00a	721.53±91.66a	122×105	7.4×103

Each value is mean±SD (n=3).
Means in a column by different superscripts are significantly different at p<0.05 significance level by Duncan's multiple range test.
GAE, gallic acid equivalent.
ND, not detected.