Table 7.

Hedonic test of green tea infusion.

Tea infusion	Appearance (colour)	Aroma	Flavour	Aftertaste	Astringency	Bitterness	Overall acceptability
T-TAP	${5.531.11}^a$	${\mathrm{5.071.28}}^a$	${\mathrm{4.801.35}}^a$	${\mathrm{4.871.36}}^a$	${\mathrm{4.801.30}}^b$	${5.131.04}^{ab}$	${\mathrm{4.601.25}}^b$
T-ALK	${\mathrm{5.371.10}}^a$	${\mathrm{5.301.15}}^a$	${\mathrm{4.931.46}}^a$	${\mathrm{4.971.47}}^a$	${\mathrm{4.731.48}}^b$	${\mathrm{4.471.43}}^b$	${\mathrm{4.571.33}}^b$
T-MAG	${\mathrm{5.401.33}}^a$	${\mathrm{5.601.35}}^a$	${\mathrm{5.201.21}}^a$	${\mathrm{5.571.01}}^a$	${\mathrm{5.700.88}}^a$	${\mathrm{5.501.14}}^a$	${\mathrm{5.401.10}}^a$
T-MIN	${\mathrm{5.031.03}}^a$	${\mathrm{5.171.29}}^a$	${\mathrm{4.801.24}}^a$	${\mathrm{4.900.92}}^a$	${\mathrm{4.501.38}}^b$	${\mathrm{4.331.56}}^b$	${\mathrm{4.371.03}}^b$

∗TAP ​= ​Tap water; ALK ​= ​Alkaline ionized water; MAG ​= ​Magnetized water; MIN ​= ​Mineral water.

∗ Each value is expressed as mean value ​± ​standard deviation (n ​= ​3).

∗ a-b, within the same column, with different superscript letters are significantly different at p ​< ​0.05 by Tukey's HSD.