Table 2. Concentration (mg L⁻¹) of higher alcohols and esters in beer samples with and without TF residues.

Compound		CK	Treatment
Higher alcohols	n-propanol	13.2 ± 2.6	12.9 ± 3.3
	n-Butanol	8.7 ± 4.8	8.6 ± 2.7
	Isobutyl alcohol	12.5 ± 1.8	9.8 ± 3.5*
	Isoamyl alcohols	52.6 ± 6.4	46.3 ± 5.9*
	β-Phenylethyl alcohol	32.3 ± 2.9	31.5 ± 4.6
Higher esters	Ethyl acetate	22.3 ± 3.6	34.5 ± 3.8*
	Ethyl butyrate	0.2 ± 1.5	0.2 ± 2.4
	Isoamyl acetate	2.8 ± 1.9	2.6 ± 1.6
	Ethyl caprylate	0.4 ± 2.2	0.3 ± 2.9
	Phenylethyl acetate	1.8 ± 4.5	1.6 ± 3.5
	Ethyl lactate	0.6 ± 1.7	0.6 ± 2.6
	Ethyl caproate	0.3 ± 2.3	0.2 ± 3.1

^*P < 0.05.