Changes in Techno-Functional Characteristics of Cow Colostrum Powder Prepared by Freeze Drying

Table 3

Composition of freeze-dried bovine skimmed colostrum powder and colostrum whey powder.

Type of powder	Bovine skimmed colostrum powder			Bovine colostrum whey powder
Constituents	1st milking	2nd milking	3rd milking	1st milking	2nd milking	3rd milking
Total solids (%)	94.88^a ± 0.148	94.89^a ± 0.14	94.83^a ± 0.14	94.73^a ± 0.13	94.65^a ± 0.147	94.60^a ± 0.155
Fat (%)	5.2^a ± 0.15	5.5^b ± 0.23	5.7^c ± 0.21	2.6^d ± 0.026	2.4^e ± 0.026	2.2^f ± 0.027
Protein (%)	69.91^a ± 0.15	64.93^b ± 0.13	61.94^c ± 0.14	67.22^d ± 0.139	61.06^e ± 0.025	57.79^f ± 0.158
Lactose (%)	12.71^a ± 0.07	20.21^b ± 0.11	24.44^c ± 0.089	15.23^d ± 0.102	23.23^e ± 0.19	26.91^f ± 0.15
Ash (%)	7.39^a ± 0.018	6.94^b ± 0.04	6.49^c ± 0.019	6.10^d ± 0.05	4.75^e ± 0.03	3.8^f ± 0.04
IgG (g/100 g)	36.62^a ± 0.56	27.87^b ± 1.2	20.51^c ± 0.27	33.33^d ± 0.65	24.53^e ± 0.638	16.8^f ± 0.42
IgA (g/100 g)	1.75^a ± 0.024	1.40^b ± 0.019	1.29^c ± 0.009	1.58^d ± 0.054	1.17^e ± 0.010	1.057^f ± 0.013
IGF1 (μg/100 g)	921.6^a ± 11.68	741.2^b ± 4.86	617.2^c ± 7.28	869.8^d ± 13.45	688^e ± 5.96	454.4^f ± 6.34
IGF2 (μg/100 g)	351.5^a ± 3.96	311.5^b ± 3.86	243.3^c ± 4.16	328.7^d ± 2.20	276.6^e ± 2.17	216.6^f ± 3.08
TGFβ1 (μg/100 g)	6.64^a ± 0.084	5.40^b ± 0.029	4.17^c ± 0.182	5.93^d ± 0.033	4.94^e ± 0.086	3.32^f ± 0.1420
TGFβ2 (μg/100 g)	1278^a ± 20.15	1076^b ± 22	856.8^c ± 15.36	1167^d ± 19.33	950.2^e ± 31.19	769.2^f ± 4.22

n = 15, mean ± SE; values followed by different superscript are significantly different .