Natural Olive leaf extract Oleuropein 10%~60%,Hydroxytyrosol 2.5%~25%, have protective

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Natural Olive leaf extract Oleuropein 10%~60%,Hydroxytyrosol 2.5%~25%, have protective - antioxidant and repair effects!

Olive leaf extract

It is extracted from the leaf of Olea Europaea L,which is is a species of small tree in the family Oleaceae, native to the coastal areas of the eastern Mediterranean Basin as well as northern Iraq, and northern Iran at the south of the Caspian Sea.It is cultivated in china in 1964. Olive tree leaves were traditionally boiled and the liquid was used for therapeutic remedies.

Botanical Source	Olea Europaea L
Used Part	Leaf
Specification	Oleuropein 10%~80%, Olive Polyphenols 10%~60%, Hydroxytyrosol 2.5%~20%, Oleanolic Acid 10%~60%, Hawthorn acid 10%~70%
Analysis	HPLC, UV(Polyphenols)
Function
Antioxidants, free radical scavenger, Antiviral activity and antimicrobial, Protect cardiovascular and prevent neurodegenerative diseases.

Oleuropein is the most important phenolic component in Mediterranean diet associated with low incidence of coronary heart disease(CHD) and certain cancers. It also related to longevity.Oleuropein and its metabolite hydroxytyrosol have powerful antioxidant activity both in vivo and in vitro and give extra-virgin olive oil its bitter, pungent taste. Oleuropein preparations have been claimed for several pharmacological effects . A study in rats suggests oleuropein enhances thermogenesis by increasing the thermogenin content in brown adipose tissue and the secretion of noradrenaline and adrenaline.

Main Functions:

Antioxidants ,free radical scavenger.

The olive leaf extract correlated with their higher antioxidant and radical scavenging.These results indicate that olive leaf contains significant amounts of oleuropein and phenolics, important factors for antioxidant capacity These extracts own their antioxidative properties to their high oleuropein content (19% w/w) and also to a lesser amount of flavonoids (1.8% w/w with 0.8% of luteolin 7-glucoside

Antiviral activity and antimicrobial

A commercial plant extract derived from olive tree leaf (Olea europaea) (LExt) and its major compound, oleuropein (Ole), inhibited the in vitro infectivity of the viral haemorrhagic septicaemia virus (VHSV), a salmonid rhabdovirus,. olive leaf extract was not broad-spectrum in antimicrobial action, showing appreciable activity only against H. pylori, C. jejuni, S. aureus and MRSA. Given this specific activity, olive leaf extract may have a role in regulating the composition of the gastric flora by selectively reducing levels of H. pylori and C. Jejuni.3 Furthermore, the antimicrobial effect of the combined phenolics was significantly higher than those of the individual phenolics.
This study indicates that olive leaf extract might be a valuable bioactive source, and would seem to be applicable in both the health and medical food.

Slow down cardiovarscular and neurodegenerative diseases

The phenolic fraction extracted from the leaves of the olive tree, which contains significant amounts of oleuropein, prevents lipoprotein oxidation. In addition, oleuropein has shown cardioprotective effect against acute adriamycin cardiotoxicity and an anti-ischemic and hypolipidemic activities. Recently, oleuropein has shown neuroprotection by forming a non-covalent complex with the Aβ peptide, which is a key hallmark of several degenerative diseases like Alzheimer and Parkinson.

Application

1. Medicine

For the manufacture of new drugs for the treatment of diseases caused by viruses, bacteria, protozoa, parasites and blood-sucking worms, and new drugs for the treatment of colds.

2. Healthy food

Olive leaf extract is mainly used as dietary supplements, used for regulate immunity in Europe and the United States and other countries,

3. Skin care products

Olive leaves have protective - antioxidant and repair effects apply to skin care products. High levels of oleuropean are mainly used for skin care products, can protect the skin cells from UV damage, effectively maintain the skin soft and flexible, to skin care, rejuvenation effect.

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