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Olive Oil Case Sample

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The olive and the tree on which it grows have been revered since antediluvian times. Archaeological digs have unearthed grounds that olive trees existed on the island of Crete in 3500 B. C. The Semitic peoples were cultivating the tree’s fruit by 3000 B. C. They peculiarly liked to utilize the oil of the olive to anoint the organic structure during spiritual ceremonials. and to illume their lamps. An ancient Hebrew jurisprudence forbiding the devastation of any olive tree is still obeyed.

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By the clip of the Roman Empire. olives were a pillar of the agricultural economic system. The Romans besides used the oil to grease the axles of waggons and chariots. The Greeks traded it for wheat ; the intricately decorated clay pots that they used to transport the oil became portion of the civilization’s burgeoning art industry.

The olive tree is mentioned often in the Koran and in the Bible. Noah receives the message that land is near when a dove arrives at the Ark with an olive subdivision in its oral cavity.

Grecian mythology associates the goddess Athena with the olive tree and credits Acropos. the laminitis of Athens. with learning the Greeks to pull out oil from the tree’s fruit.

A member of the evergreen household. the olive tree features a gnarly bole and leaves with a silvern bottom. Its strong root system is perfect for perforating sand. limestone. or heavy. ill aerated dirt. The trees thrive best in parts with showery winters and hot. dry summers. Although it may take up to eight old ages before a tree produces its first crop. a individual tree can populate for centuries.

Early oil manufacturers pressed the olives by oppressing them between immense conic rocks as they turned easy on a base of granite. Today. most mills employ hydraulic imperativenesss. exercising 100s of dozenss of force per unit area. to divide the oil from the olive paste. Spain and Italy are the primary commercial manufacturers of olives and olive oil. Greece is near behind them. However. California. Australia. and South Africa are emerging as leaders in the industry. Some wine makers are seting olives to countervail hapless wine crops. Ironically. olive trees were planted in California by missionaries in the 1800s. which by the bend of the century were bring forthing an first-class class of olive oil. However. the market demand was weak so the trees were uprooted and grape vines were planted in their topographic point.

In the late 20th century. accent on good nutrition and a captivation with the alleged Mediterranean diet has resulted in a revival in the olive oil trade. Olive oil is touted as a monounsaturate that is healthier for human ingestion than maize and veggie oils. The oil is besides promoted as a dandruff stand-in and. when assorted with beeswax. a homemade lip balm. In the late ninetiess. the United States and Canada consumed olive oil at a annual rate of 147. 600 dozenss ( 150. 000 metric dozenss ) . The demand frequently exceeds the supply. and during the 1990s monetary values rose significantly.

Natural Materials

The primary ingredient of olive oil is the oil that is expressed from mature olives. In the late spring. little flowers appear on the olive trees. Wind pollenation consequences in the flowering of the olives. which reach their peak oil content about six months subsequently. Therefore. the olives are harvested from November to March. after they have progressed in colour from green to reddish violet to black. It is frequently necessary to reap olives from the same trees several times in order to garner olives at the same phase of ripening.

Since ancient times. workers have knocked the fruit from the trees with pole-handled poles. The procedure has non changed significantly over the centuries. Modern poles resemble profligates. Originally. cyberspaces were spread under the tree to catch the falling olives. Many manufacturers are now utilizing plastic screens to buffer the autumn and to let for cleaner. faster assemblage.

One quart ( 0. 95 L ) of excess virgin olive oil. the highest degree of quality. requires 2. 000 olives. The merely added ingredient in excess virgin olive oil is the warm H2O used to blush away the bittemess of the olives. caused by the presence of oleuropein. Extra virgin olive oil contains non more than 1 % oleic acid. Pure olive oil. that which consequences from the 2nd pressure. is frequently assorted with excess virgin olive oil. The commercial. or non-edible. classs are put through a refinement procedure that may go forth hints of soda solutions and decoloring Cs.

The FabricationProcedure

Roll uping and rating the olives

After the ripe olives have been combed from the trees. they are picked over by manus to weed out unsound olives. The olives are divided into classs harmonizing to their embonpoint. province of ripeness. and quality. Then the olives are taken to the imperativeness and stored for a short period of clip. from a few hours to several yearss. The period is short plenty to forestall agitation but long plenty to let the olives to acquire warm so that they release their oil easy. Washing and milling the olives

The olives are rinsed in cold H2O and so passed along a conveyor belt between rollers or uninterrupted cocks. This machinery. frequently called the olive crusher. interrupt down the cells and de-stones the olives. Depending on the resilience of the olives’ tegument and the phase of ripening. it may be necessary to go through the fruit through the factory a 2nd clip. Making an olive paste through malaxation

In ancient times. the olives were mashed into a paste with a simple howitzer and stamp. This rule was expanded upon until the rock howitzers were big plenty to necessitate slaves or battalion animate beings to run them. In the modern procedure. the polished olives travel from the factory into VATs in which easy turning blades mash the olives into a homogenised paste. Cold-pressing the olive paste to pull out the oil

The oil is extracted by lading the paste into a hydraulic imperativeness. The olive paste is equally spread over hemp pressure bags or discs covered with man-made fibres. Each bag or disc is covered with about 9-13 pound ( 4-6 kilogram ) of paste. Between 25 and 50 bags or discs are stacked onto a imperativeness home base. Plate ushers are inserted at intervals of five to six bags. The home bases serve to keep the balance of the stack and to administer the force per unit area equally. A Piston pushes up against the stack. and the oil seeps easy through the pressure bags to attached tubings. The solid stuff remains inside the pressure bags. The term cold-pressing refers to the fact that the oil is extracted without heating the paste. fostering sing the pureness of the oil. The oil that is expressed is a ruddy mixture of the oil and the built-in vegetable H2O. This is the oil that receives the denomination of “extra-virgin” olive oil. The paste is removed from the bags and run through several more imperativenesss to obtain the lesser classs of oil that remain. Separating the oil from the vegetable H2O

Originally. the oil and H2O mixture was stored in VATs until the oil rose to the top and was skimmed off. Some agitation was inevitable. impacting the gustatory sensation and odor of the olive oil. Today. the separation is accomplished fleetly by pumping the mixture into a extractor. The extractor is comprised of a revolving membranophone and an plumber’s snake that are spun on the same axis at great velocity. Because the oil and the vegetable H2O are of differing densenesss. the extractor forces them apart and into separate receptacles. Storing and boxing the oil

The oil is stored in belowground VATs until it is ready to be shipped. Then the oil is canned or bottled on an assembly line. Cans or dark-tinted bottles will maintain the deep-green colour of the olive oil integral. Oil placed in clear-glass bottles will melt to a yellowish-green. However. the spirit is non affected. In many instances. olive oil distributers purchase the olive from the manufacturers and rebottle it. Packaging has become more flowery as the popularity of olive oil has grown. It is non unusual to buy olive oil in remarkably molded bottles topped with gauze or rope. Some packagers besides hire professional creative persons to plan their labels. Quality Control

The olive oil industry is regulated by authorities nutrient bureaus. such as the Food and Drug Administration ( FDA ) in the United States. By ordinance. olive is classified into five classs. Virgin olive oil is that which is obtained from the first pressure. Pure is a mixture of refined and virgin oil. Refined. or commercial. consists of the lower class lampante oil from which the acid. colour. and olfactory property have been removed through processing. Lampante is a extremely acidic class ; its name is derived from its usage as lamp oil. Sulfide olive oil is chemically extracted from the olives through the usage of dissolvers and is refined many times.

The popularity of olive oil in the late 20th century has spawned many bottlers who are uniting assorted classs of olive oil and labeling them illicitly as virgin or pure. A 1995 FDA study charged that merely 4 % of the 73 domestically produced or distributed olive oils it tested were pure. The North American Olive Oil Association disputed the findings. saying that of the 300 oils the association trials each twelvemonth. merely a smattering are found to be impure. In any event. the state of affairs has become one of “buyer beware. ”

The Future

Finding workers who are willing to execute the arduous undertaking of picking olives is going more hard. Therefore. the olive oil industry is prosecuting methods for mechanising the collection procedure. Among the larger olive oil companies. centrifugation methods are going more popular for the pressure procedure every bit good as for dividing the oil from the vegetable H2O. Although centrifugation requires more energy and H2O. the method takes up less infinite in the mill and requires a shorter set-up clip. Centrifugation besides eliminates the demand for pressing bags. which must be washed after each pressure.

Where to Learn More


Benavides. Lisa. “For Olive Importers. It’s All Greek to Them. ” Boston Business Journal. October. 25. 1996. p. 3.

Burros. Marian. “Eating Well. ” The New York Times. October 23. 1996. p. C3.

“From the Olive Tree to Olive Oil. ” Pompeian. Inc.

“Green. With Envy. ” Prevention. August 1996. p. 106.

Muto. Sheila. “Impurity of Olive Oil Is Raising Concerns. ” The New York Times. January 3. 1996. p. C2.

[ Article by: Mary F. McNulty ]

Food and Nutrition

Home & gt ; Library & gt ; Food & gt ; Food and Nutrition olive oil Pressed from mature olives. the fruit of Olea europea. Virgin olive oil is non refined and the spirit varies tremendously with the vicinity where it is grown. Other types have been refined to changing extents. Used in cooking. as salad oil. for tining pilchards. and for margarine industry. Apart from the particular spirit of olive oil it is valued nutritionally because of its high content. 70 % . of mono-unsaturates ( chiefly oleic acid ) and its low content. 15 % . of saturates.

Food Lover’s Companion

Home & gt ; Library & gt ; Food & gt ; Food Lover’s Companion olive oil Pressing tree-ripened olives extracts a flavourful. monounsaturated oil that is prized throughout the universe both for cookery ( peculiarly in Mediterranean states ) and for salads. Today’s market place provides a broad choice of domestic olive oil ( most of which comes from California ) and imported oils from France. Greece. Italy and Spain. The spirit. colour and aroma of olive oils can change dramatically depending on differentiations such as turning part and the crop’s status. All olive oils are graded in conformity with the grade of sourness they contain. The best are cold-pressed. a chemical-free procedure that involves merely force per unit area. which produces a natural degree of low sourness. Extra virgin olive oil. the cold-pressed consequence of the first pressure of the olives. is merely 1 per centum acid. It’s considered the finest and fruitiest of the olive oils and is hence besides the most expensive. Extra virgin olive oil can run from a crystalline bubbly colour to greenish-golden to bright green.

In general. the deeper the colour. the more intense the olive spirit. After excess virgin. olive oils are classified in order of go uping sourness. Virgin olive oil is besides a first-press oil. with a somewhat higher degree of sourness of between 1 and 3 per centum. Fino olive oil is a blend of excess virgin and virgin oils ( fino is Italian for “fine” ) . Products labeled merely olive oil ( one time called pure olive oil ) contain a combination of refined olive oil and virgin or excess virgin oil. The new light olive oil ( an American selling term ) contains the same sum of good monounsaturated fat as regular olive oil. . . And it besides has precisely the same figure of Calories. What the term “light” refers to is that-because of an highly all right filtration process-this olive oil is lighter in both colour and aroma. and has little of the authoritative olive-oil spirit. It’s this instead characterless spirit that makes “light” olive oil perfect for baking and cookery where regular olive oil’s obvious kernel might be unwanted.

The filtration procedure for this light-style oil besides gives it a higher fume point than regular olive oil. Light olive oils can hence be used for high-heat sauteing. whereas regular olive oil is better suited for low- to medium-heat cookery. every bit good as for many uncooked nutrients such as salad dressings and marinades. The International Olive Oil Institute recommends utilizing pure olive oil for sauteing. since the spirit of excess virgin olive oil tends to interrupt down at frying temperatures. doing the added disbursal a waste Olive oil should be stored in a cool. dark topographic point for up to 6 months. It can be refrigerated. in which instance it will last up to a twelvemonth. Chilled olive oil becomes cloudy and excessively thick to pour. However. it will unclutter and go liquid once more when brought to room temperature. See besides fats and oils.

Cite this Olive Oil Case Sample

Olive Oil Case Sample. (2017, Aug 10). Retrieved from https://graduateway.com/olive-oil-case-essay-sample-essay/

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