Effects of Chinese herbs on salivary fluid secretion by isolated and perfused rat submandibular glands

Table 2 Fluid secretion induced by CCh with/without body fluid-regenerating/heat-clearing CHs in SMG

Time (min)	GG (n = 12)		WM (n = 12)		SD (n = 12)		CS (n = 12)
	FS (μL/g per min)	% of FS at 5 min	FS (μL/g per min)	% of FS at 5 min	FS (μL/g per min)	% of FS at 5 min	FS (μL/g per min)	% of FS at 5 min
(1) 4.95-5	82.9 ± 7.2	99.9 ± 0.2	66.9 ± 9.7	107.0 ± 3.8	58.5 ± 5.7	97.7 ± 0.3	66.4 ± 6.9	100.6 ± 0.5
(2) 19.95-20	64.0 ± 8.1b	78.4 ± 6.8a	80.9 ± 10.1	116.2 ± 4.2	51.7 ± 6.0	86.9 ± 5.1a	86.0 ± 5.6a	140.1 ± 10.4b
(3) 24.95-25	60.4 ± 8.5a	76.5 ± 8.6a	88.4 ± 9.9	130.0 ± 6.5a	56.2 ± 4.9	95.4 ± 3.2	101.2 ± 4.7a	168.0 ± 14.5b
(4) 29.95-30	55.4 ± 8.2a	70.4 ± 8.4a	85.3 ± 7.3	129.3 ± 8.7a	54.5 ± 3.4	94.2 ± 4.4	106.7 ± 5.5a	179.4 ± 17.9b
(5) 34.95-35	50.8 ± 8.2a	63.7 ± 8.0a	83.2 ± 6.6	127.5 ± 9.6b	49.7 ± 3.2	85.8 ± 3.4a	109.6 ± 6.3a	184.64 ± 18.5b
(6) 9.95-10	1.6 ± 0.7	2.2 ± 1.2	-0.9 ± 0.3	-1.1 ± 0.3	-0.4 ± 0.7	-1.1 ± 1.1	-0.9 ± 0.4	-1.3 ± 0.6
(7) 14.95-15	-1.7 ± 0.6c	-2.4 ± 1.0c	-0.7 ± 0.2	-1.1 ± 0.3	-1.7 ± 1.4	-3.5 ± 2.3	0.6 ± 1.6	1.8 ± 3.1

t-tests between the control and the values at a fixed time during addition of CH on CCh stimulation are shown

^bP < 0.1,

^aP < 0.05 vs FS at 4.95-5 min,

^cP < 0.05 vs FS at 9.95-10 min. GG: Gegen; WM: Wumei; SD: Shengdihuang; CS: Chishao.