Table S4. Comparative analysis of volatile compounds detected in samples by GCO and OAV

Classification	Code	Compound	Analysis	Concentration range1)	Detection in samples2)
Alcohols	AL1	2-Phenylethanol	GCO	81-243	M4>M1=M5=M6>M2=M3
			OAV	34-116	M1>M2>M3>M5>M6>M4
	AL2	Methionol	GCO	18-135	M6>M4>M2>M1>M3>M5
			OAV	20-60	M1>M6>M4>M5>M3>M2
	AL3	Isoamyl alcohol	GCO	27-81	M4=M6>M1=M2=M5>M3
			OAV	345-730	M1>M2>M5>M3>M4>M6
	AL4	2,3-Butanediol	OAV	24-685	M1>M5>M4>M3>M2>M6
Esters	ES1	Ethyl decanoate	GCO	6-81	M2>M4>M3>M1=M5=M6
			OAV	248-838	M3>M2>M4>M6>M1>M5
	ES2	Diethyl succinate	GCO	27-162	M4>M1=M3=M6>M5>M2
	ES3	Ethyl lactate	GCO	3-54	M5>M3>M6>M1>M2>M4
	ES4	Ethyl octanoate	OAV	31-92	M2>M1>M3>M4>M5>M6
	ES5	Ethyl isovalerate	OAV	0-826	M5>M6
	ES6	Ethyl undecanoate	OAV	0-875	M4
	ES7	Ethyl isobutyrate	OAV	0-20203	M1
	ES8	Ethyl butyrate	OAV	0-899	M2
	ES9	Ethyl hexanoate	OAV	0-240	M1>M5
Organic acids	AC1	Acetic acid	GCO	3-135	M5>M6>M4>M1=M2>M3
	AC2	Lactic acid	GCO	0-162	M4=M5>M6>M3
	AC3	Butyric acid	OAV	0-637	M2
Carbonyls	CO1	Diacetyl	GCO	0-81	M4>M1
			OAV	0-654	M4>M1
	CO2	Acetoin	OAV	0-3221	M1>M4>M5
Others	OT1	Methional	GCO	18-405	M1>M2>M3>M4>M5>M6
	OT2	γ-Nonalactone	GCO	0-81	M3=M1
	OT3	4-Vinylguaiacol	OAV	0-598	M2
Unknown	UK1	Unknown4	GCO	0-54	M1>M4>M5>M2=M3=M6
	UK2	Unknown10	GCO	0-81	M3>M1>M2=M4=M5=M6

Concentration ranges are expressed in their original units of measurement for each analysis method.
Detection in samples indicates the relative abundance of compounds across samples, arranged in descending order of concentration (“>” higher, “=” equivalent).