. 2021 Mar 26;7(3):e06583. doi: 10.1016/j.heliyon.2021.e06583

Table 3.

Bulk density and true density of brewery spent grains (mean ± standard deviation value).

Brewery spent grain	Bulk density (g/ml)			True density (g/ml)
Brewery spent grain	Before grinding	Grinding >385	Grinding <385	True density (g/ml)
I	0.158 ± 0.005ⁱ	0.415 ± 0.007^cd	0.495 ± 0.012^a	1.378 ± 0.003^ab
II	0.154 ± 0.002^ijk	0.366 ± 0.003^f	0.474 ± 0.014^ab	1.392 ± 0.033^a
III	0.131 ± 0.007^kl	0.357 ± 0.004^fg	0.429 ± 0.008^c	1.335 ± 0.011^ab
IV	0.135 ± 0.001^jkl	0.337 ± 0.003^gh	0.392 ± 0.008^e	1.336 ± 0.003^ab
V	0.154 ± 0.008^ij	0.427 ± 0.010^c	0.454 ± 0.004^b	1.375 ± 0.005^ab
VI	0.161 ± 0.003ⁱ	0.413 ± 0.005^cde	0.471 ± 0.012^b	1.372 ± 0.025^ab
VII	0.129 ± 0.004^l	0.320 ± 0.007^h	0.401 ± 0.010^de	1.331 ± 0.004^ab
VIII	0.159 ± 0.006ⁱ	0.368 ± 0.009^f	0.406 ± 0.002^cde	1.318 ± 0.003^b

Note: letters show the significant differences from other group in the same column (p < 0.05); (I: Foundation II German Pale Ale; II: Bojanowo; III: WB; IV: Onnevalemi Komonendid; V: Drunken soiler india pale ale, VI: Sto Mostow; VII: Fest; VIII: Elveliksiirid).