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. 2019 Feb 1;14(2):e0211747. doi: 10.1371/journal.pone.0211747

Table 7. Amino acid composition (mg/100 mg fresh weight) of mealworm powder (M), wheat flour (W) and breads (B) produced with wheat flour or different blend of wheat flour and mealworm powder admixed with baker’s yeast and sourdough (S) as leaving agents.

Amino acids
(mg/100 mg)
Samples
MP WF WB MB5 MB10 WBS MBS5 MBS10
Essential    
His 1.23 ± 0.19 0.23 ± 0.03a 0.18 ± 0.02a 0.25 ± 0.02a 0.20 ± 0.05a 0.17 ± 0.02a 0.21 ± 0.01a 0.23 ± 0.01a
Thr 3.81 ± 0.45 0.67 ± 0.12bc 0.60 ± 0.08bc 0.70 ± 0.01abc 0.82 ± 0.05ab 0.57 ± 0.03c 0.71 ± 0.09abc 0.94 ± 0.06a
Tyr 2.58 ± 0.35 0.25 ± 0.04b 0.25 ± 0.01b 0.31 ± 0.02b 0.40 ± 0.05a 0.25 ± 0.01b 0.30 ± 0.00b 0.44 ± 0.03a
Val 0.43 ± 0.22 0.12 ± 0.01a 0.12 ± 0.01a 0.11 ± 0.01a 0.15 ± 0.04a 0.10 ± 0.01a 0.12 ± 0.02a 0.16 ± 0.04a
Met 3.20 ± 0.66 0.51 ± 0.07bc 0.49 ± 0.02c 0.57 ± 0.02bc 0.74 ± 0.04a 0.49 ± 0.02c 0.60 ± 0.03b 0.83 ± 0.01a
Phe 1.43 ± 0.20 0.53 ± 0.07b 0.47 ± 0.01b 0.52 ± 0.02b 0.57 ± 0.07ab 0.47 ± 0.02b 0.53 ± 0.01b 0.66 ± 0.01a
Iso 1.73 ± 0.25 0.35 ± 0.05c 0.32 ± 0.01c 0.38 ± 0.01bc 0.46 ± 0.05ab 0.32 ± 0.02c 0.38 ± 0.00bc 0.52 ± 0.01a
Leu 2.99 ± 0.50 0.75 ± 0.08c 0.68 ± 0.02c 0.79 ± 0.03bc 0.92 ± 0.08ab 0.67 ± 0.03c 0.80 ± 0.01bc 1.05 ± 0.02a
Lys 2.21 ± 0.22 0.20 ± 0.09a 0.13 ± 0.03a 0.21 ± 0.02a 0.21 ± 0.03a 0.14 ± 0.04a 0.25 ± 0.09a 0.27 ± 0.05a
Trp 0.44 ± 0.00 0.21 ± 0.01a 0.07 ± 0.03c 0.11 ± 0.03bc 0.14 ± 0.02ab 0.10 ± 0.02bc 0.11 ± 0.01bc 0.13 ± 0.01abc
Total EAA 20.05 ± 3.05 3.83 ± 0.56bc 3.31 ± 0.12c 3.97 ± 0.13bc 4.61 ± 0.45ab 3.28 ± 0.15c 4.02 ± 0.20bc 5.24 ± 0.02a
Non essential      
Asp + Asn 3.12 ± 0.45 0.43 ± 0.05bcd 0.40 ± 0.02d 0.52 ± 0.01b 0.71 ± 0.07a 0.41 ± 0.03cd 0.52 ± 0.00bc 0.80 ± 0.01a
Glu + Gln 4.22 ± 0.61 3.75 ± 0.42ab 3.38 ± 0.06b 3.41 ± 0.18b 3.68 ± 0.24ab 3.32 ± 0.19b 3.50 ± 0.16bc 4.29 ± 0.11a
Ser 1.79 ± 0.23 0.38 ± 0.05b 0.39 ± 0.02b 0.40 ± 0.04b 0.45 ± 0.04ab 0.38 ± 0.04b 0.40 ± 0.03b 0.58 ± 0.02a
Gly 1.28 ± 0.30 0.18 ± 0.01c 0.17 ± 0.01c 0.19 ± 0.00c 0.24 ± 0.01b 0.17 ± 0.01c 0.18 ± 0.01c 0.27 ± 0.01a
Arg 2.22 ± 0.36 0.37 ± 0.04bc 0.33 ± 0.02c 0.41 ± 0.02b 0.52 ± 0.02a 0.33 ± 0.01c 0.41 ± 0.02b 0.56 ± 0.00a
Ala 3.09 ± 0.55 0.32 ± 0.04bc 0.31 ± 0.02bc 0.40 ± 0.00b 0.52 ± 0.06a 0.30 ± 0.01c 0.40 ± 0.00b 0.60 ± 0.03a
Pro 3.50 ± 0.58 1.11 ± 0.02bc 1.20 ± 0.16abc 1.15 ± 0.03abc 1.55 ± 0.27ab 1.06 ± 0.12c 1.10 ± 0.00bc 1.61 ± 0.11a
Total NEAA 19.21 ± 3.09 6.53 ± 0.63bc 6.17 ± 0.24c 6.49 ± 0.28bc 7.66 ± 0.71ab 5.98 ± 0.28c 6.52 ± 0.13bc 8.71 ± 0.02a
Total AA 39.27 ± 6.13 10.37 ± 1.19bc 9.48 ± 0.33c 10.45 ± 0.41bc 12.28 ± 1.16ab 9.25 ± 0.39c 10.54 ± 0.33bc 13.95 ± 0.00a

Means ± standard deviations of triplicate independent experiments are shown.

Values in the same row with different letters (a, b, c, d) as superscripts are significantly different (P < 0.05).