Hunan, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
500000000 USD
Plant Area:
>2000 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Overseas Agent / Branch

Plant Extract, Medicine, Pharmaceutical manufacturer / supplier in China, offering Natural Evening Primrose Oil, Softgels CAS No.: 65546-85-2, IVY Extract - Hederacosides/Hederacoside C, High Quality 99% Caffeic Acid and so on.

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Supplier Homepage Products Plant Oils and Softgels Natural Evening Primrose Oil, Softgels CAS No.: 65546-85-2

Natural Evening Primrose Oil, Softgels CAS No.: 65546-85-2

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Min. Order / Reference FOB Price
1 kg US $1/ kg
Production Capacity: 5000kgs
Transport Package: Packed in Plastic Drum. Net Weight: 25-180kgs/Drum
Payment Terms: L/C, T/T
Raw Material: Plants
Appearance: Light Yellow Oily Liquid; Softgels
Specification: ISO 9001, Kosher Certificate
Trademark: KINGHERBS
Origin: China

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Basic Info

Model NO.: CAS NO.: 65546-85-2
HS Code: 2932

Product Description

Evening Primrose Oil
Botanical Source: Oenothera Erythrosepala Borb.
CAS No.: 65546-85-2
Other names: Oenothera biennis oil, Primrose Oil
Part Used: Seed
Appearance: Light yellow oily liquid; Softgels
Specification: Gamma Linolenic Acid.

Evening primrose oil is the oil from the seed of the evening primrose plant. Evening primrose oil is used for skin disorders such as eczema, psoriasis, and acne. It is also used for rheumatoid arthritis, weak bones (osteoporosis), Raynaud's syndrome, multiple sclerosis (MS), Sjogren's syndrome, cancer, high cholesterol, heart disease, a movement disorder in children called dyspraxia, leg pain due to blocked blood vessels (intermittent claudication), alcoholism, Alzheimer's disease, and schizophrenia. Evening primrose oil contains a high level of gamma-linolenic acid (GLA), an essential fatty acid which is required by the body for growth and development, and must be obtained from the diet.

Easing the joint pain and swelling of rheumatoid arthritis;
Preventing diabetes-associated nerve damage;
Reducing the symptoms of eczema;
Treating acne and rosacea;
Combating damage from multiple sclerosis;
Treating Alzheimer's-related memory deficiencies;
Curing impotence and female infertility;
Nourishing nails, scalp, and hair;
Preventing alcohol withdrawal symptoms;
Relieving the discomforts of PMS, menopause, menstruation, endometriosis and fibrocystic breasts;
- We can also customize orders as customer's requirements and specifications.
- KINGHERBS' is specialized in manufacturing and exporting different kinds of food industry related goods, such as Inulin (90% or 98%), Myricetin, Sea Buckthorn Oil, Green Coffee Bean Extract Total Chlorogenic Acids, Fenugreek Seed Extract Furostanol Saponins 50% etc.
- With the effective exporting system and prompt reaction, we ensure that we can transfer the shipping documents and deliver our cargos on time.

Analysis ItemsSpecificationsResults Methods used
AppearanceLight yellow oily liquid, clearConformsVisual test
Odor & TasteCharacteristic, no foreign odor nor tasteConformsOrganoleptic test
Relative Density (20 ºC)0.9150-0.93500.923/
Refractive index(20 ºC)1.4720-1.48301.4765 
AssayC16:0 Palmitic, 5.0-7.0%6.0%AOCS Ce 1e-91
C18:0 Stearic, 1.0-3.0%1.4%AOCS Ce 1e-91
C18:1 Oleic, 5.0-10.0%6.3%AOCS Ce 1e-91
C18:2 Linoleic, 68.0-78.0%75%AOCS Ce 1e-91
C18:3 Y-liolenic, 9.5%-11.5%10.3%AOCS Ce 1e-91
Others0-2.0AOCS Ce 1e-91
Acid Value, mg (KOH)/gNMT 2.00.8AOCS Cd 3d-63
Iodine Value147-154149/
Peroxide value, mmol/kgNMT 6.02.0AOCS Cd 8b-90
Saponification Value189.0-199.0197AOCS Cd 3-25
Unsaponifiable matterNMT 2%ConformsAOCS Ca 6a-40
Moisture and volatilesNMT 0.2%ConformsAOCS Ca 2d-25
Cold testClear after 5.5 hours at 0ºCConformsAOCS Cc 11-53
Solvent ResiduesNegativeConformsUSP-GC
Heavy MetalsNMT 10ppmConformsAtomic Absorption
Arsenic (As)NMT 0.2ppmConformsAtomic Absorption
Lead (Pb)NMT 0.2ppmConformsAtomic Absorption
Cadmium (Cd)NMT 0.2ppmConformsAtomic Absorption
Mercury(Hg)NMT 0.2ppmConformsAtomic Absorption
666NMT 0.1ppmConformsUSP-GC
DDTNMT 0.5ppmConformsUSP-GC
AcephateNMT 0.2ppmConformsUSP-GC
MethamidophosNMT 0.2ppmConformsUSP-GC
Parathion-ethylNMT 0.2ppmConformsUSP-GC
PCNBNMT 0.1ppmConformsUSP-GC
AflatoxinsNMT 0.2ppbAbsentUSP-HPLC
Microbiological DataTotal Plate Count<1000cfu/gConformsGB 4789.2
Total Yeast & Mold<100cfu/gConformsGB 4789.15
E. Coli to be absentAbsentGB 4789.3
Staphylococcus to be absentAbsentGB 4789.10
Salmonella to be absentAbsentGB 4789.4
Packing and StoragePacked in plastic drum. Net weight: 25-180kgs/drum. 
Keep well sealed, away from moisture, strong heat and sunlight.
Shelf Life2 years if sealed and stored in the recommended conditions.

* Herbal extracts
* Softgels
* Herbal oil
* Natural colors
* Herb powders
* Vegetable & Fruit powder
* Vitamins
* Minerals

Kingherbs Limited
Contact: Ms. Tina Tan

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