Table 3.
Different metabolites between the pre-activated sperm (Q) and post-activated sperm (H).
| Metabolites | Class | VIP Value | FC (H/Q) | Type |
|---|---|---|---|---|
| S-sulfo-L-cysteine | Amino acids | 1.25 | 2.56 | up |
| L-asparagine anhydrous | Amino acids | 1.17 | 2.47 | up |
| Qinic acid | Organic acid | 1.29 | 2.29 × 105 | down |
| Aspirin | Organic acid | 1.28 | 0.21 | down |
| 7,8-dihydro-L-biopterin | Pteridines | 1.27 | 0.25 | down |
| Citric acid | Amino acid metabolomics | 1.25 | 0.26 | down |
| Glycylphenylalanine | Amino acid metabolomics | 1.26 | 0.27 | down |
| Dihydrotachysterol | Hormones | 1.27 | 0.27 | down |
| Taurochenodesoxycholic acid | Bile acids | 1.22 | 0.29 | down |
| 1-methyluric acid | Organic acid | 1.28 | 0.31 | down |
| Dl-glyceraldehyde-3-phosphate | Organic acid | 1.23 | 0.31 | down |
| N-acetyl-L-glutamic acid | Amino acid metabolomics | 1.27 | 0.32 | down |
| Isoquinoline | Benzene and substituted derivatives | 1.28 | 0.33 | down |
| Indoxyl sulfuric acid | Organic acid | 1.28 | 0.35 | down |
| Flavin adenine dinucleotide | Nucleotide metabolomics | 1.17 | 0.37 | down |
| Furfural | Organic acid | 1.28 | 0.37 | down |
| Spermidine | Polyamine | 1.26 | 0.38 | down |
| 3,3′,5-triiodo-L-thyronine | Hormones | 1.22 | 0.38 | down |
| Nicotinic acid | Co others enzyme Factor | 1.20 | 0.38 | down |
| Inosine diphosphate (IDP) | Nucleotide metabolomics | 1.22 | 0.39 | down |
| Palmitoylcarnitine | Camitine | 1.25 | 0.39 | down |
| Hydroquinone | Phenols | 1.19 | 0.39 | down |
Noted: VIP, variable importance in projection; FC, fold change.