Table 2. Changes in organic acid contents in mulberry juice and mulberry vinegarOrganic acid

Organic acid (mg%)	Sample1)		t-value
	MJ	MV
Oxalic acid	1.99±0.322)	-3)	-
Citric acid	616.74±14.41	524.66±27.88	34.381**4)
Succinic acid	153.34±1.36	480.63±63.57	-8.916*
Acetic acid	12.95±2.72	2,725.59±177.33	-26.493**
Total	785.02±13.45	3,730.88±263.86

MJ, mulberry juice; MV, mulberry vinegar.
Values are mean±SD.
Not detected.
Significant difference by the Student’s t-test (^*p<0.05, ^**p<0.01).