You must be familiar with olives, right? Olive trees are often used by the fruit, extracted into oil which is called the best oil for cooking. It turns out, in addition to the fruit, the olive leaf also has benefits after being extracted. What are the benefits of olive leaf extract? Come on, find out the answer in the following review.
Olive is a tree-shaped plant with a Latin name Olea europaea. This plant has a height of no more than 15 meters with a single green silvery leaf.
In addition, olives also have small bell-shaped flowers that are white and feathered. Then, the fruit is round in shape which can be harvested while still being green or purplish.
This part of the green olives is then extracted into olive oil. Meanwhile, when it is purple, olives are often used as artificial coloring. Not only the fruit, olive leaf also has benefits when it has become an extract.
Here are some of the health benefits of olive leaf extract according to some large studies.
One risk factor for heart disease is high cholesterol levels. Cholesterol in question is LDL (Low Density Lipoprotein) or you might be more familiar with bad cholesterol.
The higher the cholesterol level, the greater the possibility of buildup and narrowing of the heart arteries. Gradually, this can cause atherosclerosis.
Study in a journal Phytotherapy Research, shows that olive leaf extract has benefits in heart disease.
In the study, researchers gave olive leaf extract for 8 weeks routinely to a mouse. The results, show these mice have decreased bad cholesterol. This finding suggests that olive leaf extract might help prevent heart disease.
A report reviews the benefits of olive leaf extract for type 2 diabetes. Researchers who tested the efficacy of olive leaf in these animals found several results, namely:
Besides improving heart health, olive leaf extract also has benefits in preventing abnormal body cell growth.
A study in the journal Molecular Nutrition & Food Research found that the antioxidant properties of olive leaves can stop the growth of cancer cells. These findings make scientists continue to explore the potential and prove the effect of olive leaves on cancer.
Not only cholesterol, heart disease is also at risk in people who have high blood pressure (hypertension). Research in 2017 published in European Journal of Nutrition showed that olive extract had a systolic and diastolic blood pressure reduction effect.
That means, olive leaf extract can help reduce the risk of stroke and heart attack.
Herpes is a skin disease caused by the herpes virus. This disease causes the appearance of sores around the mouth or genitals. To cure this disease, patients need to take an antivirus.
However, a study on African Journal of Microbiology Research found that olive leaf extract has antiviral and antimicrobial properties thus potentially reducing the ability of the virus to attack other healthy cells. To fix this, you need to put olive leaf extract into the area of the injured skin by 1 or 2 drops.
Aside from being a medicine for herpes, olive leaf extract also benefits brain health. A study on International Journal of Molecular Science found that the antioxidant properties, namely oleuropein from olive leaf extract could prevent damage to cells in the brain.
Although it has many benefits, further research is still needed to prove its usefulness. Better, you consult with your doctor before using olive leaf extract as a treatment.
Health Line. Olive Leaf Extract: Dosage, Benefits, Side Effects, and More. Accessed on August 27th, 2019.
Olmez, E., Vural, K., Gok, S., Ozturk, Z., Kayalar, H., Ayhan, S. and Var, A. (2015). Olive Leaf Extract Improves the Atherogenic Lipid Profile in Rats Fed a High Cholesterol Diet. Phytotherapy Research, 29 (10), pp.1652-1657.
Public Knowledge Project. Functional foods in the treatment of type 2 diabetes: olive leaf extract, turmeric and fenugreek, a qualitative review. Accessed on August 27th, 2019.
oulas, V., Exarchou, V., Troganis, A., Psomiadou, E., Fotsis, T., Briasoulis, E. and Gerothanassis, I. (2009). Phytochemicals in olive-leaf extracts and their antiproliferative activity against cancer and endothelial cells. Molecular Nutrition & Food Research, 53 (5), pp.600-608.
Lockyer, S., Rowland, I., Spencer, J., Yaqoob, P. and Stonehouse, W. (2016). Impact of phenolic-rich olive leaf extract on blood pressure, plasma lipids and inflammatory markers: a randomized controlled trial. European Journal of Nutrition, 56 (4), pp.1421-1432.
Academic Journal. Anti-HSV type-1 activity of olive leaves extract crude form acting as a microemulsion dosage form. Accessed on August 27th, 2019.
Barbaro, B., Toietta, G., Maggio, R., Arciello, M., Tarocchi, M., Galli, A. and Balsano, C. (2014). Effects of the Olive-Derived Polyphenol Oleuropein on Human Health. International Journal of Molecular Sciences, 15 (10), pp.18508-18524.
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