Evening Primrose
Oil
The evening primrose oil is manufactured with evening primrose
seeds as raw material through pressing and molecule distillation.
Its main component is Y- linolenic acid. The product is used
for patent medicine to cure the disease of blood vessel and
strengthened nourishment of foodstuff.
Common Name: Evening primrose oil
Herb Source: Primrose
Parts Used: Seed
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| Chemical
& Physical parameter |
| Item |
Standard |
| Assay (HPLC) ,% |
>99 |
| γ- linolenic acid, % |
8.0~10.0 |
| Iodine number, g/100g |
136~165 |
| Index of refraction |
1.473~1.483 |
| Relative density |
0.916~0.935 |
| Acid value, mgkOH/g |
<2 |
| Relative density |
0.905~0.920 |
| Peroxide value, meq/kg |
<6 |
| As, mg/L |
<0.5 |
| Lead, mg/L |
<0.5 |
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|
Appearance: Clear
pale yellow oily liquid..
Storage: Sealed, filled
with nitrogen, and stored in cool and ventilation
place.
Package: 180 kg/iron drum.
Shelf life: 12 months when
properly stored.
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