Table 1.
Lipid classes composition (g/100 g of lipids) of different sugarcane straw extracts.
| STRAW | ||||||||
|---|---|---|---|---|---|---|---|---|
| Compound | EtOH | AcO | EtAc | DCM | ||||
| Hydrocarbon | 24.36 d ± 0.06 | 31.95 ab ± 3.62 | 29.96 c ± 1.35 | 37.24 a ± 1.07 | ||||
| Wax esters | 2.60 d ± 0.04 | 3.70 b ± 0.06 | 2.84 c ± 0.01 | 4.24 a ± 0.01 | ||||
| Triglycerides | 3.66 d ± 0.04 | 4.08 c ± 0.04 | 4.48 b ± 0.26 | 5.12 a ± 0.27 | ||||
| Fatty alcohols | 7.14 c ± 0.12 | 11.32 a ± 0.55 | 8.24 b ± 0.05 | 11.50 a ± 0.10 | ||||
| Phytosterol | 3.58 ab ± 0.47 | 3.58 b ± 0.09 | 3.54 b ± 0.04 | 4.15 a ± 0.14 | ||||
| Diglycerides | 6.18 a ± 0.60 | 4.88 b ± 0.16 | 6.44 a ± 0.12 | 6.38 a ± 0.29 | ||||
| Free fatty acids | 14.58 c ± 0.73 | 15.04 bc ± 1.35 | 19.60 a ± 1.53 | 18.63 ab ± 2.17 | ||||
| Monoglycerides | 1.38 b ± 0.09 | 1.40 b ± 0.11 | 1.67 ab ± 0.09 | 2.18 a ± 0.22 | ||||
| Glycolipids | 34.98 a ± 1.66 | 23.62 b ± 2.18 | 23.25 b ± 1.00 | 10.55 c ± 1.83 | ||||
| Phosphatidylinositol | 0.44 a ± 0.04 | 0.17 b ± 0.02 | n.d c | n.a | n.d c | n.a | ||
| Phosphatidylserine | 0.45 a ± 0.09 | 0.20 b ± 0.07 | n.d c | n.a | n.d c | n.a | ||
| Phosphatidylcholine | 0.65 a ± 0.15 | 0.06 b ± 0.01 | n.d c | n.a | n.d c | n.a | ||
Results expressed as mean ± SD (n = 3). EtOH: ethanol; AcO: acetone; EtAc: ethyl acetate; DCM: dichloromethane. n.d: not detected; n.a: not applied. Different superscript letters in a row indicate statistically significant differences between solvents (p < 0.05).