Table 3.

The influence of Schisandra quantity on pH value and 5-HMF level

Acid environment creating material		Ophiopogon (g)	pH	5-HMF content (mg/100 ml)
Schisandra (g)	Acid
6.25	-	25	3.094	8.70
12.50	-	25	3.046	16.40
18.75	-	25	3.024	24.20
25.00	-	25	2.993	31.60
50.00	-	25	2.930	59.90
-	HCl	25	2.972	0.39
-	HCl	25	3.142	0.46
-	HCl	25	3.454	0.46
-	H2SO4	25	2.987	0.44
-	H2SO4	25	3.058	0.50
-	H2SO4	25	3.401	0.40
-	HAC	25	2.894	1.15
-	HAC	25	3.012	0.67
-	HAC	25	3.331	0.52
-	-	25	6.576	0.34