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Vegetable oils, or vegetable fats, are oils extracted from seeds or from other parts of edible plants. Like animal fats, vegetable fats are mixtures of triglycerides. Soybean oil, grape seed oil, and cocoa butter are examples of seed oils, or fats from seeds. Olive oil, palm oil, and rice bran oil are examples of fats from other parts of plants. In common usage, vegetable oil may refer exclusively to vegetable fats which are liquid at room temperature. Vegetable oils are usually edible.
Grape seed oil is a vegetable oil derived from the seeds of grapes. Grape seeds are a winemaking by-product, and oil made from the seeds is commonly used as an edible oil.
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colorless oil, although commercial samples may be yellowish due to the presence of impurities. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid, abbreviated with a lipid number of 18:1 cis-9, and a main product of Δ9-desaturase. It has the formula CH3−(CH2)7−CH=CH−(CH2)7−COOH. The name derives from the Latin word oleum, which means oil. It is the most common fatty acid in nature. The salts and esters of oleic acid are called oleates. It is a common component of oils, and thus occurs in many types of food, as well as in soap.
Saponification value or saponification number represents the number of milligrams of potassium hydroxide (KOH) or sodium hydroxide (NaOH) required to saponify one gram of fat under the conditions specified. It is a measure of the average molecular weight of all the fatty acids present in the sample in form of triglycerides. The higher the saponification value, the lower the fatty acids average length, the lighter the mean molecular weight of triglycerides and vice versa. Practically, fats or oils with high saponification value are more suitable for soap making.
Pumpkin seed oil is a culinary oil, used especially in eastern Europe.
Lauric acid, systematically dodecanoic acid, is a saturated fatty acid with a 12-carbon atom chain, thus having many properties of medium-chain fatty acids. It is a bright white, powdery solid with a faint odor of bay oil or soap. The salts and esters of lauric acid are known as laurates.
Attalea maripa, commonly called maripa palm is a palm native to tropical South America and Trinidad and Tobago. It grows up 35 m (115 ft) tall and can have leaves or fronds 10–12 m (33–39 ft) long. This plant has a yellow edible fruit which is oblong ovoid and cream. An edible oil can be extracted from the pulp of the fruit and from the kernel of the seed.
A pumpkin seed, also known as a pepita, is the edible seed of a pumpkin or certain other cultivars of squash. The seeds are typically flat and oval with one axis of symmetry, have a white outer husk, and are light green in color after the husk is removed. Some pumpkin cultivars are huskless, and are grown only for their edible seed. The seeds are nutrient- and calorie-rich, with an especially high content of fat, protein, dietary fiber, and numerous micronutrients. Pumpkin seed can refer either to the hulled kernel or unhulled whole seed, and most commonly refers to the roasted end product used as a snack.
Sunflower oil is the non-volatile oil pressed from the seeds of the sunflower. Sunflower oil is commonly used in food as a frying oil, and in cosmetic formulations as an emollient.
Pistachio oil is a pressed oil, extracted from the fruit of Pistacia vera, the pistachio nut.
Rose hip seed oil is a pressed seed oil, extracted from the seeds of the wild rose bush Rosa rubiginosa in the southern Andes. Rosehip seed oil can also be extracted from Rosa canina, a wild rose species native to Europe, northwest Africa, and western Asia. The fruits of the rosehip have been used in folk medicine for a long time. Rosehips have prophylactic and therapeutic actions against the common cold, infectious diseases, gastrointestinal disorders, urinary tract diseases, and inflammatory diseases.
Sea buckthorn oil is a red-orange oil derived from sea buckthorn plants. The most commonly used species for this purpose is Hippophae rhamnoides. Species belonging to this genus accumulate lipids in the mesocarp, so the oil can be extracted from either the seeds or the pulp.
Marula oil is extracted from the kernels (nuts) of the fruits of the Marula tree, from the family Anacardiaceae. There are two types of marula oil, the oil extracted from the seeds and the oil extracted from the nut's hard shell. Marula oil is traditionally used in cosmetics, in food as a cooking oil and meat preservative and to treat leather. Marula oil can also be used as body lotion. In Namibia Marula fruit is processed into a range of juices, jellies and jams.
Plukenetia volubilis, commonly known as sacha inchi, sacha peanut, mountain peanut, Inca nut or Inca-peanut, is a perennial plant in the family Euphorbiaceae, having small trichomes on its leaves. It is native to much of tropical South America, as well as some of the Windward Islands in the Caribbean. It is cultivated commercially in South East Asia, most notably in Thailand. Although its raw seeds and leaves contain toxins, these components are safe for consumption after roasting.
Allanblackia oil is a vegetable oil that comes from the seeds of trees of the genus Allanblackia. This tree can be found in the wet tropical belt of Africa. Because of its unique blend of fatty acids, the oil from Allanblackia seeds has melting properties that make it excellent to use as structuring fat in food products, e.g. margarines.
Cooking oil is a plant or animal liquid fat used in frying, baking, and other types of cooking. Oil allows higher cooking temperatures than water, making cooking faster and more flavorful, while likewise distributing heat, reducing burning and uneven cooking. It sometimes imparts its own flavor. Cooking oil is also used in food preparation and flavoring not involving heat, such as salad dressings and bread dips.
Caryodendron orinocense, commonly known as cacay, inchi or orinoconut, is an evergreen tree belonging to the family Euphorbiaceae.
Kalahari melon oil also known as Tsamma (Damara/Nama), wild watermelon (English), bitterboela, karkoer (Afrikaans), wild watermelon, makatane (Setswana) or Mokaté oil, is a plant oil, extracted from the seeds of the Kalahari melon (Citrullus vulgaris), which is endemic to the Kalahari Desert, spanning Namibia, Botswana and South Africa. Being one of 1,200 varieties of melon, Kalahari melon oil is distinct from regular watermelon seed oil. The seed of the Kalahari melon consists of approximately 50% oil, 35% protein and 5% dietary fibre.
The Styrian oil pumpkin, also known as the Styrian pumpkin, is a variety of the common pumpkin which is cultivated to produce pumpkin seed oil.
References
- ↑ Fanali C; Dugo L; Cacciola F; Beccaria M; Grasso S; Dachà M; Dugo P; Mondello L. (December 2011). "Chemical characterization of Sacha Inchi (Plukenetia volubilis L.) oil". J Agric Food Chem. 59 (24): 13043–9. doi:10.1021/jf203184y. PMID 22053706.
- ↑ Blanka Krivankova; Zbynek Polesny; Bohdan Lojka; Jana Lojkova; Jan Banout; Daniel Preininger (October 2007). "Sacha Inchi (Plukenetia volubilis, Euphorbiaceae): A Promising Oilseed Crop from Peruvian Amazon" (PDF). Tropentag.
- ↑ Hans-Peter Hanssen; Markus Schmitz Hübsch (2011-03-31). Victor R. Preedy; Ronald Ross Watson; Vinood B. Patel (eds.). "Sachai Inchi (Plukentia Volubilis L.) Nut Oil and Its Therapeutic and Nutritional Uses". Nuts and Seeds in Health and Disease Prevention. ISBN 9780123756893 . Retrieved 2011-09-07.
- ↑ "Pracaxi". Distrion Amazónia. Retrieved 2011-09-07.
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