Table 3.

Sugar and acid content of cultivated and wild grapes and peach fruits in three periods.

Sample		Soluble sugar ($\mathrm{mg}·\mathrm{g}$−1)				Organic acid ($\mathrm{mg}·\mathrm{g}$−1)
		Sorbitol	Fructose	Glucose	Sucrose	Quinic	Citric	Malic	Oxalic	Shikimic
Grape	C_G_t1	–	1.98	1.80	–	10.64	–	10.02	0.04	0.03
	C_G_t2	–	56.00	51.02	2.50	1.84	–	1.27	0.05	–
	C_G_t3	–	50.65	45.79	3.11	3.67	0.11	1.34	0.08	–
	W_G_t1	–	1.04	0.11	0.05	11.51	–	4.87	0.01	–
	W_G_t2	–	12.06	9.61	1.01	4.81	0.16	5.54	0.01	0.01
	W_G_t3	–	21.75	18.99	2.80	0.60	0.26	3.54	0.01	0.01
Peach	C_P_t1	5.64	16.38	15.90	4.83	3.01	0.01	3.58	0.22	–
	C_P_t2	6.27	7.38	7.01	20.30	0.77	0.35	1.24	0.10	0.02
	C_P_t3	0.86	9.63	9.56	28.15	1.23	–	2.95	0.31	0.04
	W_P_t1	5.21	3.54	24.03	6.98	6.49	–	8.70	0.73	0.26
	W_P_t2	3.00	2.45	4.67	4.87	3.19	2.28	4.38	0.57	0.13
	W_P_t3	0.92	0.95	3.78	9.45	0.30	–	0.56	0.13	0.01