Research Article
Chemical Composition and α-Glucosidase Inhibitory Activity of Vietnamese Citrus Peels Essential Oils
Table 1
Yield and composition of the essential oil of six Citrus peels.
| Components | RI | CMSO | CAO | CGO | CSO | CRO | CMO |
| (Z)-Hex-3-en-1-ol | 855 | — | 0.10 | — | — | — | — | -Thujene | 932 | 0.60 | 0.45 | — | — | — | — | -Pinene | 941 | 1.49 | 1.78 | 0.80 | 0.66 | 0.63 | 0.59 | Sabinene | 980 | 0.20 | 1.29 | — | 0.13 | 0.18 | 0.28 | -Pinene | 986 | 1.62 | 6.72 | 0.24 | — | 0.34 | 1.23 | Myrcene | 994 | 1.58 | 1.71 | — | 2.33 | 2.55 | 2.11 | n-Octanal | 1005 | — | 0.38 | 2.33 | 0.40 | 0.51 | 0.42 | -Phellandrene | 1012 | — | — | 1.17 | — | — | — | -Terpipene | 1024 | 0.62 | 0.47 | — | — | — | — | o-Cymene | 1032 | 0.96 | 0.31 | — | — | — | — | Limonene | 1038 | 59.00 | 61.31 | 90.69 | 95.74 | 94.10 | 90.88 | -Phellandrene | 1039 | — | — | 3.02 | — | | | Cineol | 1040 | — | 1.94 | — | — | — | — | (E)--Ocimene | 1051 | 0.37 | 0.39 | 0.13 | — | — | — | -Terpinene | 1066 | 23.84 | 13.98 | — | — | — | — | n-Octanol | 1072 | — | — | — | 0.16 | 0.20 | 0.21 | Trans-Linalool oxide | 1080 | — | — | 0.24 | — | — | — | Cis-Linalool oxide | 1095 | — | — | 0.11 | — | — | — | Terpinolene | 1096 | 1.26 | 0.80 | — | — | — | — | Linalool | 1104 | 0.30 | 0.47 | 0.39 | 0.19 | 0.74 | 0.77 | Nonanal | 1107 | — | — | — | — | — | 0.23 | Citronellal | 1157 | — | 0.92 | — | — | — | — | Terpinen-4-ol | 1189 | 0.73 | 0.90 | — | — | — | — | -Terpineol | 1201 | 1.48 | 2.14 | 0.40 | 0.17 | 0.42 | 0.41 | Decanal | 1209 | — | — | — | 0.20 | 0.15 | 0.23 | Citronellol | 1231 | 0.13 | 0.51 | — | — | — | — | Nerol | 1234 | 0.74 | — | — | — | 0.18 | — | Neral | 1248 | 1.23 | 0.11 | 0.21 | — | — | — | Geraniol | 1258 | 0.84 | | — | — | — | — | Geranial | 1276 | 1.61 | 0.15 | 0.27 | — | — | — | -Elemene | 1349 | — | — | — | — | — | 0.11 | Geranyl acetate | 1385 | — | — | — | — | — | 0.59 | -Caryophyllene | 1439 | 0.28 | 0.66 | — | — | — | — | (E)--Bergamotene | 1447 | 0.25 | 0.49 | — | — | — | — | Germacrene D | 1499 | 0.43 | 0.38 | — | — | — | 1.39 | (E)--Farnesene | 1512 | — | 0.70 | — | — | — | — | -Bisabolene | 1518 | 0.43 | 0.82 | — | — | — | — | Cadinene | 1537 | — | 0.12 | — | — | — | — | -Eudesmol | 1671 | — | — | — | — | — | 0.39 | -Eudesmol | 1673 | — | — | — | — | — | 0.15 |
| Total (%) | | 99.99 | 100.0 | 100.0 | 99.98 | 100.0 | 99.99 |
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