. 2021 Oct 21;2021:1819104. doi: 10.1155/2021/1819104

Table 3.

Powder densities with Hausner ratio and Carr index values of spray- and freeze-dried Zn-amaranth powders encapsulated with 10% (w/w) of different wall materials.

Drying	Wall material	Particle size (μm)	Bulk density (g/mL)	Hausner ratio, HR	Carr's index, CI (%)
Spray-drying	MD	64.49 ± 1.82^c	0.57 ± 0.02^bc	1.29 ± 0.09^a	29.49 ± 8.55^a
	RMD	94.65 ± 3.66^a	0.68 ± 0.03^a	1.19 ± 0.10^a	21.79 ± 5.55^a
	HICAP	61.18 ± 1.18^d	0.49 ± 0.40^cd	1.27 ± 0.10^a	27.27 ± 9.94^a
	CAP	70.34 ± 4.03^b	0.44 ± 0.02^d	1.24 ± 0.02^a	23.59 ± 2.36^a
	GA	60.67 ± 1.15^d	0.62 ± 0.06^ab	1.22 ± 0.07^a	22.34 ± 6.62^a
Freeze-drying	MD	241.92 ± 2.69^d	0.36 ± 0.02^b	1.22 ± 0.08^a	22.13 ± 7.90^a
	RMD	292.27 ± 2.73^a	0.37 ± 0.01^b	1.21 ± 0.05^a	20.95 ± 5.49^a
	HICAP	285.02 ± 2.81^b	0.38 ± 0.02^b	1.19 ± 0.02^a	19.37 ± 2.05^a
	CAP	252.08 ± 2.56^c	0.34 ± 0.02^b	1.21 ± 0.04^a	20.50 ± 3.68^a
	GA	172.12 ± 2.58^e	0.52 ± 0.02^a	1.16 ± 0.04^a	16.20 ± 4.41^a

Data are expressed as the means ± standard deviations of triplicates. Means with the same letter in each column mean not significantly different (p < 0.05, Tukey test). MD: maltodextrin; RMD: resistant maltodextrin; HICAP: HI CAP 100; CAP: Capsul; GA: gum Arabic.