Table 3. Acid and other compounds detected in Cheongsoo, Chardonnay and Riesling white wines

	Compounds	CAS¹⁾	RT²⁾	Cheongsoo		Chardonnay		Riesling		OTV⁵⁾(μg/L)	Odor descriptor
	Compounds	CAS¹⁾	RT²⁾	Conc.³⁾(μg/L)	OAV⁴⁾	Conc.(μg/L)	OAV	Conc.(μg/L)	OAV	OTV⁵⁾(μg/L)	Odor descriptor
	Acids
31	2-Methyl-octanoic acid	3004-93-1	29.411	0.00^a6)	-⁷⁾	22.32^a	-	0.00^a	-
32	2-Methyl-hexanoic acid	4536-23-6	29.536	0.00^a	-	0.00^a	-	53.49^a	-
33	Hexanoic acid	142-62-1	35.415	122.55^a	<1	0.00^a	-	0.00^a	-	420^z	cheese, fatty
34	Octanoic Acid	124-07-2	42.335	247.02^a	<1	17.39^b	<1	0.00^b	<1	500^z	fatty, rancid
35	n-Decanoic acid	334-48-5	48.704	7.74^a	1.29	0.00^a	-	0.00^a	-	6^y	fatty, rancid
	Subtotal			377.31		39.70		53.49
	Others
36	Benzaldehyde	100-52-7	23.041	0.00^a	-	3.45^a	<1	0.00^a	-	2,000^y	almond
37	α-Ionene	475-03-6	18.658	4.21^a	1.62	0.00^a	-	0.00^a	-	2.6^z	sweet, fruity
38	Ethyldihydroxyborane	4433-63-0	7.023	98.19^a	-	76.95^a	-	0.00^a	-
39	Benzoyl bromide	618-32-6	14.551	27.42^a	-	69.91^a	-	70.50^a	-
40	trans-(2-Chlorovinyl)methyldiethoxysilane	NIST⁸⁾,139969	18.981	0.00^b	-	28.50^ab	-	118.91^a	-
41	Vanillin, tert-butyldimethylsilyl ether	NIST,352846	23.637	12.57^a	-	17.61^a	-	62.92^a	-
42	TDN	NIST,357258	30.957	0.00^a	-	0.00^a	-	19.44^a	9.72	2^x	kerosene
	Subtotal			142.39		196.43		271.78

¹⁾CAS, chemical abstract service.
²⁾RT, retention time.
³⁾Conc., concentration.
⁴⁾OAV was calculated by dividing the concentration by odor threshold value of the compound.
⁵⁾OTV: ^zFerreira et al., 2000; ^yWelke et al., 2014; ^xSacks et al., 2012.
⁶⁾Different letters within each rows indicates statistical differences (n=3, p<0.05).
⁷⁾Not found.
⁸⁾National institute of standards and technology.