Table 2. Organic acid contents in a beverage mixture of 0.25% red ginseng extract and 5% Prunus mume fruit vinegar (RPV)

Sample	Contents (ppm)
	Citric acid	Malic acid	Acetic acid	Lactic acid	Succinic acid
RG1)	ND4)	164.11±23.18	ND	ND	ND
PFV2)	562.05±19.215)	378.20±14.33	1,503.44±38.64	ND	20.15±4.42
RPV3)	600.12±25.53	617.28±23.15	1,654.17±46.49	ND	18.08±1.10

RG, 0.25% red ginseng extract.
PFV, 5% Prunus mume fruit vinegar.
RPV, beverage mixture of 0.25% red ginseng extract and 5% Prunus mume fruit vinegar.
ND, not detected.
Data values are expressed as the means±SD (n=3).