l-Amino acids | | Ordinary odorants1-b; feeding stimulants1-b; interspecific recognition?1-c |
32 |
12 |
11 |
55 |
Methionine | Met | | 9 | 10 | 2 | 21 |
Alanine | | | 5 | 2 | 2 | 9 |
Lysine | Lys | | 3 | | 2 | 5 |
Aspartate | | | 4 | | 2 | 6 |
Others (5) | | | 11 | | 3 | 14 |
Bile acids | | Ordinary odorantsc,d; homing cues in lampreys1-e |
36 |
8 |
4 |
48 |
Glycocholic acid | GCA | | 12 | 6 | 2 | 20 |
Taurocholic acid | | | 6 | | | 6 |
Taurodeoxycholic acid | TDCA | | 11 | 2 | 2 | 15 |
Others (2) | | | 7 | | | 7 |
Nucleotides | | Ordinary odorants1-b; feeding stimulants1-b |
23 |
8 |
0 |
31 |
Adenosine 5′-triphosphate | ATP | | 7 | 5 | | 12 |
Adenosine 5′-monophosphate | | | 6 | | | 6 |
Inosine 5′-monophosphate | IMP | | 5 | | | 5 |
Thymidine 5′-triphosphate | TTP | | 5 | 3 | | 8 |
Prostaglandins | | |
8 |
19 | |
27 |
Prostaglandin F2α | PGF | Reproductive pheromone1-f | 7 | 11 | | 18 |
Prostaglandin E2α | PGE | | 1 | 8 | | 9 |
Steroids | | |
26 |
13 |
2 |
41 |
17α,20β-Dihydroxy-4-pregnene-3- one-20-sulphate | 17,20P-S | Reproductive pheromone1-g | 5 | 5 | | 10 |
Progesterone | PRO | | 1 | 4 | | 5 |
Androstenedione | AD | | 5 | 2 | 2 | 9 |
17β-Estradiol 3-(β-d-glucuronide) | | | 2 | | | 2 |
β-Estradiol 17-(β-d-glucuronide) | E17G | Reproductive pheromone1-h | 6 | 1 | | 7 |
Testosterone β-d-glucuronide | TG | Reproductive pheromone1-h | 5 | 1 | | 6 |
Testosterone | | | 2 | | | 2 |
Others |
Saponin extract1-a | Sap | Alarm substance in nonvertebrates1-b | 6 | 17 | | 23 |
Trimethylamine oxide | TMO | Ordinary odorant1-b | 5 | 1 | | 6 |