What is Olive Leaf Extract?
Olive Leaf Extract Powder comes from the leaves of an olive plant. Olive oil is a world-renowned tree species characterized by "high yield, high quality and high efficiency". In addition to containing flavonoids, iridoids and other natural active ingredients of polyphenols, olive leaves are also rich in nutrients. The antioxidant active components in olive leaves are much higher than those in olive oil, especially the antioxidant active components in leaves represented by oleuropein, whose content is significantly higher than that in fruits and branches.

As a common food in daily life, olive leaf extract has good medicinal value, such as antioxidant, antibacterial, promoting bone calcification, preventing calcium loss, improving immune function, etc.
It contains a compound called oleuropein, which is believed to have anti-inflammatory and antioxidant properties. Olive leaf extract is commonly used to support immune system function, improve cardiovascular health, and promote healthy blood pressure levels. It is available in various forms, including capsules, tinctures, and teas.
Function of Olive Leaf Extract
Olive leaf extract has various potential health benefits due to its high levels of antioxidants and other beneficial compounds. Some of its known functions include:
1. Immune system support: Olive leaf extract has been shown to support overall immune system function, thanks to its antimicrobial and anti-inflammatory properties.
2. Lowering Blood Pressure: Studies have shown that olive leaf extract can help in regulating blood pressure, improving heart health.
3. Cardiovascular health: The antioxidants in olive leaf extract may help reduce inflammation and prevent the oxidation of cholesterol, which can contribute to heart disease.
3. Blood sugar control: Studies have shown that olive leaf extract may help regulate blood sugar levels and improve insulin sensitivity.
4. Anti-inflammatory effects: Certain compounds in olive leaf extract may provide anti-inflammatory benefits, which can help reduce pain and swelling in the body.
5. Skin health: The antioxidants in olive leaf extract may help protect the skin from damage caused by free radicals and UV radiation, leading to healthier, younger-looking skin.
6. Digestive Health: Olive leaf extract can help in reducing inflammation in the digestive tract, promoting a healthy gut.
7. Anti-viral and Antibacterial Properties: Olive leaf extract contains compounds that can help fight against viruses and bacteria, reducing the risk of infections.
Overall, olive leaf extract is a powerful supplement with many potential health benefits. However, it's important to talk to your doctor before taking any supplements, especially if you have any health conditions or are taking medications.
Applications
Nutrition and Health: Olive Leaf Extract Powder has high potency antioxidants
Personal Care: Antibacterial Effects of Skin Care Products
Feed Additives: Antimicrobial Effects in Agriculture and Pest Control Applications.

Quality Standard
Product name | Olive Leaf Extract |
Active Ingredients | NLT 10% Hydroxytyrosol |
Appearance | Brown yellow Powder |
Odor | Characteristic |
Taste | Characteristic |
Loss on Drying | ≤5.0% |
Particle Size | 95% pass 80 mesh |
Ash | ≤5.0% |
Contaminant | |
Lead (Pb) | ≤ 5ppm |
Arsenic (As) | ≤ 5ppm |
Cadmium(Cd) | ≤ 1ppm |
Mercury(Hg) | ≤ 0.1ppm |
Microbiological | |
Total Aerobic Microbial Count | ≤ 1000cfu/g |
Total Yeasts and Molds Count | ≤ 100cfu/g |
Enterobacterial | 10cfu/g |
E. coli | Negative/10g |
Salmonella | Negative/10g |
Preparation Methods
Ethanol solvent extraction
The ethanol extraction method refers to a method of separating and purifying substances by using the solubility of ethanol and using ethanol as a solvent. The ethanol extraction method is easy to operate, removes impurities, the yield of flavonoids is higher than the crude product extracted by boiling water, and the extract is not easy to deteriorate.
HSF Manufacturing Base

HSF R&D Team

Shelf Life
24 months if sealed and store away from direct sun light.
Storage
The Olive Leaf Extract Powder should store in a well-closed container away from moisture.
Packing
25kg/drum, Packing in paper drums and two plastic bags inside.

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