Table 2.
Differential accumulated primary metabolites in the ripening process of banana flesh. The accumulations of different stages were indicated as the ratio compared to F1. Asterisks represent statistically significant differences (p < 0.05).
| Compound Name | Accumulation | RT (min) | ||
|---|---|---|---|---|
| F2/F1 | F3/F1 | F4/F1 | ||
| Sugars | ||||
| Lactulose | 0.00 * | 6.34 | 1.26 | 53.06 |
| α-d-Mannopyranoside | 1.21 | 1.69 * | 3.73 * | 30.69 |
| α-l-Galactopyranose- | 155.74 * | 295.90 * | 680.69 * | 28.63 |
| d-(+)-Turanose | 4.43 * | 5.69 * | 2.68 | 52.36 |
| d-(-)-Fructopyranose | 34.35 * | 83.76 | 174.39 * | 27.11 |
| Ribitol | 1.81 * | 1.71 * | 1.82 * | 23.04 |
| α-d-Glucofuranosyl benzenesulfonate | 0.33 | 1.16 | 0.00* | 8.17 |
| Organic Acids | ||||
| Butanoic acid | 0.80 | 0.68 | 1.47 | 15.97 |
| 10,12-Tricosadiynoic acid | 0.80 | 0.72 | 0.91 | 58.78 |
| Propanoic acid | 2.59 | 0.61 | 1.33 | 55.98 |
| Ethanedioic acid | 0.00* | 0.00* | 1.18 | 4.39 |
| 2-Butenedioic acid | 2.27 | 3.77 | 1.57 | 10.01 |
| Butanedioic acid | 3.82 * | 5.09 | 7.94 * | 14.66 |
| 1,2,3-Propanetricarboxylic acidster | 3.88 | 3.75 | 7.43 | 26.29 |
| Benzenemethano | 2.48 | 1.56 | 1.06 | 4.47 |
| Fatty Acids | ||||
| Hexadecanoic acid | 0.69 | 0.63 | 0.75 | 52.00 |
| Dehydroabietic acid | 0.78 | 0.99 | 2.67 | 49.62 |
| Octadecanoic acid | 0.81 | 0.95 | 1.19 | 46.68 |
| Arachidonic acid | 0.82 | 1.04 | 0.80 * | 18.94 |
| 9,12,15-Octadecatrienoic acid | 2.75 | 2.08* | 1.57 | 48.96 |
| Octadecanoic acid | 1.52 | 0.99* | 1.22 | 53.67 |
| Hexadecanoic acid | 0.69 | 1.14 | 1.88 | 34.71 |
| Alkanes | ||||
| Trisiloxane | 0.65 * | 1.06 * | 1.07 | 9.00 |
| Silane | 0.74 | 0.89 | 1.04 | 17.55 |
| Alcohols | ||||
| 6-Amino-1-hexanol | 0.31 | 0.37 | 1.24 * | 12.47 |
| Myo-Inositol | 2.26 * | 1.95 * | 3.40 * | 36.47 |
| Glycerol | 1.28 * | 1.33 * | 1.35 | 7.62 |
| Isoborneol | 2.95 | 1.11 | 1.45 | 13.92 |
| Borneol | 0.31 | 0.33 | 2.07 | 30.19 |
| D-Pinitol | 1.12 | 1.54 | 1.38 | 27.62 |
| Alkali | ||||
| Benzoylamide | 0.63 | 1.09 | 0.59 | 23.43 |
| 5-Methanesulfonyl | 1.02 | 1.27 | 1.41 | 31.57 |
| Aldehydes | ||||
| 9,12-Octadecadienal | 0.43 | 1.20 | 0.77 | 46.26 |
| Others | ||||
| 4,5-Dihydrobenzo[1,2-c:3,4-c’]bis [1,2,5]oxadiazole-1,6-dioxide | 3.36 | 4.42 | 0.00 | 6.51 |
| 1,3-Benzoxazol | 1.01 | 1.26 * | 0.99 | 16.22 |
| 1-[4-(2,2-Difluoroacetyl)piperazin-1-yl]-2,2-difluoroethanone | 0.00 * | 0.00 * | 0.00 * | 17.39 |
| (Bicyclopentylidene-2-yloxy)trimethylsilane | 0.00 * | 0.00 * | 0.00 * | 29.92 |
| 10-Acetoxy-2-hydroxy | 0.45 | 0.36 | 1.25 | 30.29 |
| 6-Dimethyl(chloromethyl)silyloxypentadecane | 0.94 | 1.75 | 2.78 | 50.27 |
RT: Retention time.