Olive oil is a kind of vegetable oil, known as olive (Olea europaea l.), and can be referred to as Olea or qi pier fruit, composed of oleaceae olive fruit squeezing. Olive oil is a kind of commonly used cooking oil, can also be used to make cosmetics, medicine and fuel oil lamp, etc. Olive oil is known as "liquid gold" of the Mediterranean. Residents of Mediterranean countries say "oil", refers to the always "olive oil". Spanish "oil" (aceite), comes from the Arabic, zett (azzayt ‎) a word, the word literally means "olive juice". Fresh olive oil, can be directly used for cold dishes, such as salad. 

 

Species and habitat 

Olive oil has many varieties, almost like the varieties of wine. The cultivation of olive trees around the world, there are billions of strain (the billions of olive trees produce a total about 1.7 billion litres of olive oil every year). Olive a branch which is gardening experts are divided into more than 600. In addition to tree species, other factors such as soil, climate, and the days of harvest (ranging from November to February) and extraction process etc., will affect the color, aroma and taste of olive oil. Some independent product oil professional olive oil will be evaluation for the taste of sweet, spicy, fruit, or alcohol and and verify those prepared sales of olive oil, make sure there are no bad. Mediterranean climate conducive to planted an olive tree, thus in the global producer of olive oil, 95% were from the area. Will travel to the Mediterranean area, pay attention to the Greece, Italy, Morocco, Portugal, Spain, Syria, Tunisia, and in the hills of countries such as Turkey, are full of the olive tree. 

 

USES and extract 

Historian ella, wenger pointed out that, through the ages, olive oil is "are used as food, fuel, ointment, also used in religious ceremonies, so cherished"; Nowadays, "olive outflow liquid gold, still better than other kinds of fat". Extraction of olive oil application is fairly simple, has not changed over the past several thousand years. First of all, tapping the branches with sticks, then put off the olives are collected, with stone fruit, together with the stone of the fruit the whole press, then pour to remove dross juice into the precipitation in the cylinder. Wait until SAP after the oil and water separation, olive oil is extracted and ready to use. The productivity of the olive tree is very long. An olive tree can be hundreds of years in a row as a result, each year can produce 3 to 4 liters of olive oil. Olive oil not only can improve health, moist skin, also can make the food more delicious. Olive oil found in the "Mediterranean" dishes, such as the Greek diet, often with olive oil, pasta, vegetables and seafood, as well as the natural ingredients, fresh and healthy characteristic, also can let the maximum benefits of olive oil.