Table 4.
The compositions and contents (mg/kg) of tocols in five types of selected traditional edible oils containing different grades.
| Vegetable Oils | Minimum Content-Maximum Content (mg/kg) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Medium Content (mg/kg) | ||||||||||||
| α-T | β-T | γ-T | δ-T | α-T3 | β-T3 | γ-T3 | δ-T3 | ΣT a | ΣT3 b | Total tocols | ||
| Peanut oil | G1 e
(n = 15) |
133.2–366.4 200.8 |
ND c | 113.3–314.5 183.2 |
22.8–38.3 29.6 |
ND | ND | ND | ND | 282.5–719.3 413.5 |
ND | 282.5–719.3 413.5 |
| G2 f
(n = 4) |
183.2–233.9 213.5 |
NQ d | 128.5–219.0 176.4 |
22.3–33.6 29.9 |
ND | ND | NQ | ND | 334.0–465.4 419.9 |
NQ | 334.0–465.4 419.9 |
|
| Rice bran oil |
G1 (n = 7) |
5.9–503.0 151.8 |
ND- 5.3 1.0 |
ND- 190.4 64.4 |
ND -84.9 16.1 |
ND -275.8 71.9 |
ND | 39.2–231.5 107.6 |
ND- 22.1 5.4 |
32.3–621.7 233.2 |
39.2–504.8 184.9 |
85.0–1126.5 418.2 |
| G2 (n = 4) |
483.0–593.3 528.3 |
ND-11.3 3.8 |
59.3–86.0 74.5 |
ND-29.6 13.4 |
237.0–284.9 258.3 |
ND-13.2 3.3 |
216.1–369.3 279.9 |
21.0–29.8 25.3 |
542.2–720.3 620.0 |
490.2–684.0 566.7 |
1112.7–1279.0 1186.7 |
|
| Cottonseed oil |
G1 (n = 3) |
449.3–634.0 553.1 |
ND | 284.5–518.0 402.5 |
24.0–29.5 26.9 |
ND-84.5 28.2 |
ND | ND | ND | 761.1–1118.1 982.5 |
ND-84.5 28.2 |
845.7–1118.1 1010.7 |
| G2 (n = 3) |
513.4–631.8 576.4 |
ND | 500.1–533.5 516.8 |
ND-19.9 13.1 |
ND | ND | NQ | ND | 1033.3–1165.3 1106.2 |
NQ | 1033.3–1165.3 1106.2 |
|
| Soybean oil |
G1 (n = 23) |
69.6–172.6 115.3 |
ND | 495.2–799.1 675.5 |
212.8–305.6 261.6 |
ND | ND | ND | ND | 804.5–1246.6 1052.6 |
ND | 804.5–1246.6 1052.6 |
| G3 g
(n = 17) |
34.1–149.5 98.8 |
NQ-12.8 2.1 |
534.7–824.2 718.3 |
240.6–443.5 318.9 |
NQ | ND | NQ | ND | 815.6–1322.4 1138.1 |
NQ | 815.6–1322.4 1138.1 |
|
| Rapeseed oil |
G1 (n = 13) |
132.7–248.2 181.0 |
ND | 303.5–460.7 383.5 |
26.8–39.9 31.0 |
ND | ND | ND | ND | 498.0–691.7 595.5 |
ND | 498.0–691.7 595.5 |
| G2 (n = 3) |
95.0–258.4 169.1 |
ND | 14.6–431.4 265.8 |
18.5–31.2 25.0 |
ND | ND | ND | ND | 128.1–634.9 459.9 |
ND | 128.1–634.9 459.9 |
|
| G3 (n = 8) |
112.6–299.7 220.6 |
NQ | 361.6–517.0 443.4 |
30.2–67.8 36.9 |
ND | ND | NQ | ND | 506.7–836.8 701.0 |
NQ | 506.7–836.8 701.0 |
|
| G4 h
(n = 6) |
157.9–283.7 199.1 |
NQ | 417.3–523.0 465.3 |
30.3–58.2 36.6 |
ND | ND | NQ | NQ | 617.7–837.8 701.0 |
NQ | 617.7–837.8 701.0 |
|
a ΣT includes α-, β-, γ-, and δ-T. b ΣT3 includes α-, β-, γ-, and δ-T3. c ND: not detected. d NQ: not quantified. e–h G1, G2, G3, and G4 represent the first, second, third, and fourth grade of traditional edible oils, respectively.