Olive leaf extract efficacy oleuropein in Europe and other countries, mainly olive leaf extract as a dietary supplement, for regulating the immune system. Oleuropein high levels of oleuropein mainly for skin care olive leaf extract can protect skin cells from UV damage specializing in the production of olive leaf extract, effectively maintain the skin soft and elastic, to help skin, rejuvenation of efficacy . Olive olive leaves early in the beginning of human history, to provide food and shelter for humans. Generally believed that originated over 5000 years ago, on the Mediterranean coast of quality olive leaf extract, and for the first time in the 15th century was brought to the United States. There are indications that drinking olive leaf tea is traditionally the Middle East has been used for hundreds of years, such as the treatment of cough and food grade olive leaf extract, sore throat discomfort method, cystitis, and fever. In addition, olive leaf ointment is used to treat boils, rashes, warts and other skin diseases. Until the early 18th century, olive leaf began to attract attention of medical institutions. Food grade olive leaf extract, olive leaf extract, Tande biotechnology provided by Tande Biotechnology Co., Ltd. Shaanxi. Shaanxi Tande Biotechnology Limited (www.pure-source.cn) (www.zgtdyzt.com) (www.tdyextract.com) strong, credible, extracts industry has accumulated a large number of loyal plant in Xi'an customers. The company better work attitude and constantly improving innovative ideas will lead Tande biotechnology and you hand into the brilliant, for a better future!