Table 4.
Amino acid (mg/g) | 15°C | 25°C | 35°C | ||||||
---|---|---|---|---|---|---|---|---|---|
0 day | 160 days | 320 days | 0 day | 160 days | 320 days | 0 day | 160 days | 320 days | |
Asp | 0.55 ± 0.00a | 0.55 ± 0.00aA | 0.27 ± 0.01bA | 0.55 ± 0.00a | 0.56 ± 0.01aA | 0.21 ± 0.01bB | 0.55 ± 0.00a | 0.42 ± 0.00bB | 0.13 ± 0.01cC |
Thr | 0.06 ± 0.00a | 0.06 ± 0.00aA | 0.05 ± 0.01aA | 0.06 ± 0.00a | 0.05 ± 0.01aA | 0.04 ± 0.01aA | 0.06 ± 0.00a | 0.06 ± 0.01abA | 0.04 ± 0.01bA |
Ser | 0.47 ± 0.01a | 0.46 ± 0.02aA | 0.38 ± 0.01bA | 0.47 ± 0.01a | 0.45 ± 0.00aA | 0.30 ± 0.02bA | 0.47 ± 0.01a | 0.39 ± 0.01bB | 0.27 ± 0.00cB |
Glu | 1.99 ± 0.12a | 2.00 ± 0.00aA | 1.21 ± 0.03bA | 1.99 ± 0.12a | 1.56 ± 0.07bB | 1.13 ± 0.10cB | 1.19 ± 0.12a | 0.99 ± 0.14bC | 0.91 ± 0.01bC |
Gly | 0.37 ± 0.03a | 0.38 ± 0.02aA | 0.13 ± 0.02bA | 0.37 ± 0.03a | 0.33 ± 0.01aAB | 0.11 ± 0.00bAB | 0.37 ± 0.03a | 0.29 ± 0.04aB | 0.06 ± 0.01bB |
Ala | 0.35 ± 0.00a | 0.35 ± 0.03aA | 0.25 ± 0.00bA | 0.35 ± 0.0a | 0.35 ± 0.01aA | 0.19 ± 0.01bA | 0.35 ± 0.0a | 0.32 ± 0.00bA | 0.15 ± 0.00cA |
Cys | 0.21 ± 0.01a | 0.21 ± 0.01aA | 0.19 ± 0.00aA | 0.21 ± 0.01a | 0.21 ± 0.01aA | 0.15 ± 0.00bA | 0.21 ± 0.01a | 0.20 ± 0.02aA | 0.14 ± 0.01bA |
Val | 0.15 ± 0.01a | 0.15 ± 0.00aA | 0.09 ± 0.01bA | 0.15 ± 0.01a | 0.15 ± 0.01aA | 0.08 ± 0.01bA | 0.15 ± 0.01a | 0.10 ± 0.02bB | 0.07 ± 0.01bB |
Met | 0.04 ± 0.00a | 0.05 ± 0.01aA | 0.03 ± 0.00aA | 0.04 ± 0.00a | 0.04 ± 0.00aA | 0.03 ± 0.00bA | 0.04 ± 0.00a | 0.04 ± 0.01aA | 0.02 ± 0.00bA |
Ile | 0.07 ± 0.01a | 0.07 ± 0.01aA | 0.05 ± 0.01bA | 0.07 ± 0.01a | 0.07 ± 0.00aA | 0.04 ± 0.00bA | 0.07 ± 0.01a | 0.05 ± 0.01bB | 0.03 ± 0.00cB |
Leu | 0.09 ± 0.01a | 0.09 ± 0.00aA | 0.04 ± 0.01bA | 0.09 ± 0.01a | 0.08 ± 0.00aB | 0.04 ± 0.00bB | 0.09 ± 0.01a | 0.05 ± 0.00bC | 0.03 ± 0.00bC |
Tyr | 0.19 ± 0.03a | 0.19 ± 0.00aA | 0.10 ± 0.01bA | 0.19 ± 0.03a | 0.16 ± 0.01aB | 0.08 ± 0.00bB | 0.19 ± 0.03a | 0.11 ± 0.01bC | 0.05 ± 0.01cC |
Phe | 0.29 ± 0.02a | 0.29 ± 0.05aA | 0.19 ± 0.01bA | 0.29 ± 0.02a | 0.29 ± 0.01aAB | 0.19 ± 0.01bAB | 0.29 ± 0.02a | 0.20 ± 0.01bB | 0.13 ± 0.02cB |
His | 0.12 ± 0.01a | 0.12 ± 0.00aA | 0.09 ± 0.02bA | 0.12 ± 0.01a | 0.12 ± 0.01aA | 0.08 ± 0.00bA | 0.12 ± 0.01a | 0.10 ± 0.00aA | 0.05 ± 0.01bA |
Lys | 0.19 ± 0.00a | 0.19 ± 0.01aA | 0.10 ± 0.00bA | 0.19 ± 0.00a | 0.17 ± 0.01aA | 0.10 ± 0.02bA | 0.19 ± 0.00a | 0.11 ± 0.02bB | 0.07 ± 0.01cB |
Arg | 0.79 ± 0.04a | 0.79 ± 0.05aA | 0.56 ± 0.07bA | 0.79 ± 0.04a | 0.72 ± 0.01aAB | 0.46 ± 0.00bAB | 0.79 ± 0.04a | 0.69 ± 0.02bB | 0.43 ± 0.02cB |
Pro | 0.38 ± 0.00a | 0.37 ± 0.09aA | 0.27 ± 0.01aA | 0.38 ± 0.00a | 0.37 ± 0.01aA | 0.20 ± 0.02bA | 0.38 ± 0.00a | 0.30 ± 0.01bA | 0.15 ± 0.00cA |
EAA | 0.89 ± 0.05a | 0.84 ± 0.03aA | 0.51 ± 0.02bA | 0.89 ± 0.05a | 0.89 ± 0.02aA | 0.55 ± 0.00bA | 0.89 ± 0.05a | 0.61 ± 0.00bB | 0.39 ± 0.00cB |
TAA | 6.30 ± 0.32a | 6.30 ± 0.22aA | 3.99 ± 0.16bA | 6.30 ± 0.32a | 4.41 ± 0.00bB | 2.72 ± 0.04cB | 6.30 ± 0.32a | 5.66 ± 0.21aC | 3.41 ± 0.06bC |
Data are expressed as mean ± SD with three replications. Different lowercase letters for each proximate composition of the same peanut variety and at under same storage temperature indicate statistically significant different values (p < 0.05). Different capital letters for each proximate composition of the same peanut variety and at the same storage time indicate statistically significant different values (p < 0.05).
Abbreviations: EAA, essential amino acids; TAA, total amino acids.