Table 2 Free sugar contents in water extract of Solanum nigrum fruits depending on harvest time (%)

Harvest time	Fructose	Glucose	Sucrose	Maltose	Total free sugars
Sep. 27^th	1.78±0.311)	1.52±0.14	0.21±0.01	0.32±0.03	3.83±0.09
Oct. 4^th	2.12±0.18	1.34±0.11	0.12±0.02	0.22±0.01	3.8±0.05
Oct. 11^th	2.71±0.21	1.45±0.16	0.14±0.03	0.15±0.02	4.45±0.07
Oct. 18^th	3.12±0.26	2.02±0.31	ND2)	0.12±0.01	5.26±0.68
Oct. 25^th	3.21±0.27	1.57±0.23	ND	ND	4.78±0.18
Nov. 1^th	2.74±0.26	2.10±0.21	ND	ND	4.84±0.17

Each value represents the mean±SD of three determinations.
ND, not detected.