Flaxseed Oil
Product Code: FSP-OIL-001 (Cold-Pressed), FSP-OIL-002 (Refined)
Revision: V11.0
Description
Flaxseed oil is produced by mechanical cold pressing of flaxseed kernels at temperatures below 40°C, preserving the native fatty acid profile and antioxidant content. Available as cold-pressed (unrefined) and physically refined grades.
Quality Parameters
| Parameter |
Cold-Pressed |
Refined |
Method |
| Free fatty acids (% oleic) |
≤ 0.5% |
≤ 0.1% |
AOCS Ca 5a-40 |
| Peroxide value |
≤ 2.0 meq/kg |
≤ 1.0 meq/kg |
AOCS Cd 8b-90 |
| p-Anisidine value |
≤ 5.0 |
≤ 2.0 |
AOCS Cd 18-90 |
| TOTOX (2PV + p-AV) |
≤ 9.0 |
≤ 4.0 |
Calculated |
| Moisture & volatiles |
≤ 0.1% |
≤ 0.05% |
AOCS Ca 2c-25 |
| Insoluble impurities |
≤ 0.05% |
≤ 0.02% |
AOCS Ca 3a-46 |
| Cold test (5.5 hr, 0°C) |
— |
Passes |
AOCS Cc 11-53 |
| Smoke point |
107°C |
225°C |
AOCS Cc 9a-48 |
| Color (Lovibond 5¼") |
10Y + 1.0R max |
5Y + 0.5R max |
AOCS Cc 13b-45 |
| Iodine value |
180–200 |
180–200 |
AOCS Cd 1d-92 |
| Saponification value |
188–196 |
188–196 |
AOCS Cd 3b-87 |
| Unsaponifiable matter |
0.5–1.5% |
0.5–1.5% |
AOCS Ca 6a-40 |
Fatty Acid Profile (% of total fat)
| Fatty Acid |
Percentage |
Method |
| α-Linolenic (ALA, C18:3n-3) |
55–60% |
GC-FID (AOCS Ce 1j-07) |
| Linoleic (LA, C18:2n-6) |
14–18% |
GC-FID |
| Oleic (C18:1n-9) |
10–15% |
GC-FID |
| Palmitic (C16:0) |
5–7% |
GC-FID |
| Stearic (C18:0) |
3–5% |
GC-FID |
Tocopherol Profile (mg/kg)
| Tocopherol |
Cold-Pressed |
Refined |
Method |
| α-Tocopherol |
10–30 |
5–15 |
HPLC-FLD |
| β-Tocopherol |
2–5 |
1–3 |
HPLC-FLD |
| γ-Tocopherol |
500–900 |
400–700 |
HPLC-FLD |
| δ-Tocopherol |
10–30 |
5–20 |
HPLC-FLD |
| Total |
800–1200 |
500–800 |
Sum |
Oxidative Stability
| Test |
Cold-Pressed |
Refined |
Method |
| Rancimat (110°C, 20 L/h) |
3–6 hr |
5–10 hr |
AOCS Cd 12b-92 |
| Schaal oven (63°C, PV >10) |
5–8 days |
8–12 days |
Oven test |
Microbiological
| Parameter |
Limit |
Method |
| Standard Plate Count |
≤ 100 CFU/g |
AOAC 990.12 |
| Yeast & Mold |
≤ 10 CFU/g |
AOAC 997.02 |
| Salmonella |
Negative / 25 g |
AOAC 994.04 |
Packaging
- 1 L glass bottles (retail)
- 5 L HDPE jugs
- 20 L HDPE pails
- 200 L food-grade drums
- 1 MT IBC totes
- Flexitank (20,000 L)
Storage
- Cool, dark (< 20°C)
- N₂ blanket in bulk containers
- Shelf life: 18 months cold-pressed, 24 months refined
- Refrigerate after opening; use within 60 days
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