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

Table 2.

Properties of spray- and freeze-dried Zn-amaranth powders encapsulated with 10% (w/w) of different wall materials.

Drying method	Wall material	Process yield (%)	Moisture content (%)	Water activity, a_w	Hygroscopicity (%)	Encapsulation efficiency (%)
Spray-drying	MD	65.05 ± 1.04^d	4.19 ± 0.13^a	0.48 ± 0.04^a	12.70 ± 0.53^b	91.78 ± 0.47^a
	RMD	72.49 ± 1.04^c	4.62 ± 1.09^a	0.45 ± 0.01^a	15.83 ± 0.46^ab	84.65 ± 0.42^c
	HICAP	88.38 ± 0.20^a	4.05 ± 0.10^a	0.40 ± 0.01^b	16.70 ± 1.83^a	89.69 ± 0.88^b
	CAP	64.72 ± 0.79^d	3.52 ± 0.15^a	0.49 ± 0.02^a	12.51 ± 0.36^b	90.58 ± 0.27^ab
	GA	80.20 ± 0.57^b	4.47 ± 0.15^a	0.51 ± 0.01^a	15.53 ± 0.06^ab	90.44 ± 1.11^ab
Freeze-drying	MD	96.95 ± 1.37^a	5.69 ± 0.55^b	0.48 ± 0.04^a	7.52 ± 0.16^c	87.13 ± 0.30^a
	RMD	93.94 ± 1.87^a	4.62 ± 0.99^b	0.45 ± 0.01^a	9.69 ± 0.05^b	86.30 ± 0.34^b
	HICAP	66.35 ± 0.39^d	5.99 ± 0.22^b	0.40 ± 0.01^b	10.84 ± 0.04^a	85.59 ± 1.30^b
	CAP	86.30 ± 0.38^b	4.93 ± 0.52^b	0.49 ± 0.02^a	7.06 ± 0.01^c	88.56 ± 1.25^a
	GA	83.01 ± 1.03^c	8.38 ± 0.14^a	0.51 ± 0.01^a	7.18 ± 0.21^c	82.49 ± 0.15^c

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.