Amino Acid Profiles, Total Nitrogen Contents, and Computed-Protein Efficiency Ratios of Manihot esculenta Root and Dioscorea rotundata Tuber Peels

Table 2

Average amino acid groupings of cassava and yam peels and some ratios.

Groups	Cassava peels	Yam peels	Mean	SD	%CV
TAA (g/100 g protein)	46.76	42.61	44.69	2.08	4.65
TNEAA (g/100 g protein)	24.00	22.89	23.45	0.56	2.39
TEAA (g/100 g protein)	22.76	19.72	21.24	1.52	7.16
TAAA (g/100 g protein)	7.23	6.96	7.10	0.14	1.97
TBAA (g/100 g protein)	6.73	6.46	6.60	0.14	2.12
TGAA (g/100 g protein)	28.31	27.03	27.67	0.64	2.31
TKAA (g/100 g protein)	6.59	5.94	6.27	0.33	5.26
TEAA/TAA ratio	0.49	0.46	0.48	0.12	25.00
TNEAA/TAA ratio	0.51	0.54	0.53	0.12	22.64
TNEAA/TEAA ratio	1.05	1.86	1.46	0.40	27.40
TAAA/TBAA ratio	1.07	1.08	1.08	0.01	0.93
TGAA/TKAA ratio	4.30	4.55	4.43	0.03	0.68
%Pro/TAA ratio	3.46	3.26	3.36	0.10	2.98
%Gly/TAA ratio	5.13	5.66	5.40	0.27	5.00