Table 3 Taste characteristic predictions of potential umami peptides
No. | Peptide | MW (Da) | Score | umami segments | The frequency that the fragments occurred | ||||
|---|---|---|---|---|---|---|---|---|---|
Umami | Bitter | Salty | Sweet | Sour | |||||
1 | LVK | 358.26 | 40.57 | – | – | 1.333 | – | 0.667 | 0.333 |
2 | LDLAGR | 643.37 | 110.17 | D | 0.167 | 1.333 | 0.167 | 0.333 | 0.166 |
3 | LFKEHPE | 898.45 | 94.26 | E/E | 0.286 | 0.714 | – | 0.286 | 0.429 |
4 | LISEVLVK | 899.57 | 104.45 | E/EV | 0.250 | 1.125 | – | 0.500 | 0.375 |
5 | NWDDMEK | 936.36 | 89.37 | D/E/DD/EK | 0.714 | 0.286 | 0.429 | 0.143 | 0.714 |
6 | TMGGLVLTR | 946.53 | 74.92 | – | – | 0.889 | – | 0.333 | – |
7 | EKSRVTFQ | 993.52 | 87.70 | E/EK | 0.250 | 0.500 | – | 0.250 | 0.250 |
8 | RLFKEHPE | 1054.56 | 76.48 | E/E | 0.250 | 0.875 | – | 0.250 | 0.375 |
9 | KNFDLTLPL | 1059.60 | 75.85 | D | 0.111 | 1.000 | 0.111 | 0.222 | 0.333 |
10 | LFKEHPETQ | 1127.56 | 64.04 | E/EL | 0.333 | 0.556 | – | 0.222 | 0.333 |
11 | GATVLKKLGEL | 1127.69 | 73.99 | E/EL | 0.182 | 0.909 | – | 0.545 | 0.364 |
12 | TVLKKLGELLK | 1240.81 | 78.65 | E/EL | 0.182 | 1.272 | – | 0.455 | 0.455 |
13 | NFKLISEVLVK | 1288.78 | 64.73 | E/EV | 0.182 | 1.000 | – | 0.454 | 0.363 |
14 | EHPETQKLFPK | 1352.71 | 57.86 | E/ET | 0.273 | 0.909 | – | 0.364 | 0.364 |
15 | NNFKLISEVLVK | 1402.82 | 106.29 | E/EV | 0.167 | 0.917 | – | 0.417 | 0.333 |
16 | DLEANYKELGFSG | 1441.67 | 103.91 | D/E/EL/EA | 0.385 | 0.846 | 0.077 | 0.308 | 0.385 |
17 | VLTRLFKEHPET | 1468.80 | 73.27 | E/ET | 0.250 | 0.833 | – | 0.250 | 0.250 |
18 | KEHPETQKLFPK | 1480.80 | 92.94 | E/ET | 0.250 | 0.917 | – | 0.417 | 0.417 |
19 | AEREIVRDIKEK | 1484.83 | 91.62 | D/E/AE/EK | 0.500 | 0.583 | 0.083 | 0.333 | 0.500 |
