Table 2.

Indispensable amino acid content (DM basis) of food waste from preconsumer (SM), postconsumer (university dining hall and household SSOs), and municipal organic waste collection (TS) facilities in Minnesota compared with corn and dehulled, solvent-extracted soybean meal (NRC, 2012)

	SM (n = 17)		University dining hall (n = 55)		TS (n = 22)		SSOs (n = 12)			Soybean meal1		Corn2
Item	Mean	SD	Mean	SD	Mean	SD	Mean	SD	SEM	Mean	SD	Mean	SD
Arginine	1.63a	1.09	0.79b	0.19	0.59b	0.27	0.58b	0.20	0.10	3.83	0.26	0.42	0.05
Histidine	0.72a	0.42	0.44b	0.12	0.29c	0.14	0.33bc	0.09	0.04	1.42	0.10	0.27	0.05
Isoleucine	1.08a	0.56	0.72b	0.16	0.54b	0.24	0.52b	0.13	0.06	2.38	0.18	0.32	0.06
Leucine	1.96a	1.03	1.27b	0.29	0.96b	0.41	0.94b	0.22	0.11	4.02	0.27	1.09	0.15
Lysine	1.82a	1.27	0.77b	0.32	0.67b	0.31	0.63b	0.22	0.13	3.29	0.19	0.28	0.04
Methionine	0.53a	0.34	0.31b	0.08	0.22b	0.12	0.22b	0.07	0.04	0.73	0.08	0.20	0.03
Phenylalanine	1.06a	0.51	0.80b	0.16	0.58c	0.24	0.57c	0.12	0.06	2.67	0.19	0.44	0.05
Threonine	1.07a	0.62	0.59b	0.14	0.47b	0.20	0.43b	0.12	0.06	2.07	0.11	0.32	0.04
Tryptophan	0.27a	0.14	0.20b	0.05	0.13c	0.06	0.08c	0.03	0.02	0.73	0.08	0.07	0.01
Valine	1.23a	0.63	0.79b	0.18	0.59b	0.26	0.66b	0.14	0.07	2.48	0.19	0.43	0.05

^a,b,cMeans with different superscripts within a row differ (P < 0.05).

¹Soybean meal, dehulled solvent extracted mean and standard deviation values were obtained from NRC (2012).

²Yellow dent corn mean and standard deviation values were obtained from NRC (2012).