Molecular structure
trans-oct-2-enoyl-CoA
Foods containing this compound
The lychee (Litchi chinensis) (Chinese: ??; pinyin: lì zh?) is the sole member of the genus Litchi in the soapberry family, Sapindaceae. It is a tropical and subtropical fruit tree native to the Guangdong and Fujian provinces of China, and now cultivated in many parts of the world. The fresh fruit has a "delicate, whitish pulp" with a floral smell and a fragrant, sweet flavor. Since this perfume-like flavor is lost in the process of canning, the fruit is usually eaten fresh.
The nutmeg tree is any of several species of trees in genus Myristica. The most important commercial species is Myristica fragrans, an evergreen tree indigenous to the Banda Islands in the Moluccas (or Spice Islands) of Indonesia.

The olive is the fruit of the olive tree (Olea europaea, meaning "Oil from/of Europe"). It is an important food crop in countries around the Mediterranean Sea, and places with a Mediterranean climate. The olive is of major agricultural importance in the Mediterranean region as the source of olive oil; it is one of the three core ingredients in Mediterranean cuisine. About 90% of all harvested olives are turned into oil, while about 10% are used as table olives.

Passiflora edulis is a vine species of passion flower that is native to Brazil, Paraguay and northern Argentina. Its common names include passion fruit (UK and US), passionfruit (Australia and New Zealand), and purple granadilla (South Africa). It is cultivated commercially in warmer, frost-free areas for its fruit and is widely grown in Argentina, Australia, Bolivia, Brazil, the Caribbean, Colombia, Costa Rica, Dominican Republic, East Africa, Ecuador, Haiti, Hawaii, India, Indonesia, Israel, Mexico, New Zealand, Panama, Peru, Portugal, Puerto Rico, Sri Lanka, South Africa, United States, Venezuela and Philippines. The passion fruit is round to oval, either yellow or dark purple at maturity, with a soft to firm, juicy interior filled with numerous seeds. The fruit is both eaten and juiced; passion fruit juice is often added to other fruit juices to enhance the aroma.

Dill (Anethum graveolens), also known as Lao coriander, depending on where it is grown, is either a perennial or annual herb. It is the sole species of the genus Anethum. Dill is widely grown in Eurasia where its leaves and seeds are used as a herb or spice for flavouring food. Like caraway, the fern-like leaves of dill are aromatic and are used to flavor many foods such as gravlax (cured salmon) and other fish dishes, borscht and other soups, as well as pickles (where the dill flower is sometimes used). Dill is best when used fresh as it loses its flavor rapidly if dried; however, freeze-dried dill leaves retain their flavor relatively well for a few months [Wikipedia].

Phaseolus vulgaris, the common bean, string bean, field bean, flageolet bean, French bean, garden bean, haricot bean, pop bean, or snap bean, is a herbaceous annual plant grown worldwide for its edible fruit, either the dry seed or the unripe fruit, both of which are referred to as beans. The leaf is also occasionally used as a vegetable, and the straw can be used for fodder. Along with other species of the bean genus (Phaseolus), it is classified botanically into the legume family (Fabaceae), most of whose members acquire nitrogen through an association with rhizobia, a species of nitrogen-fixing bacteria.
Black pepper (Piper nigrum) is a flowering vine in the family Piperaceae, cultivated for its fruit, which is usually dried and used as a spice and seasoning. The fruit, known as a peppercorn when dried, is approximately 5 millimetres in diameter, dark red when fully mature, and, like all drupes, contains a single seed. Peppercorns, and the ground pepper derived from them, may be described simply as pepper, or more precisely as black pepper (cooked and dried unripe fruit), green pepper (dried unripe fruit) and white pepper (dried ripe seeds). Black pepper is native to south India, and is extensively cultivated there and elsewhere in tropical regions. Currently Vietnam is the world's largest producer and exporter of pepper, producing 34% of the world's Piper nigrum crop as of 2008. Dried ground pepper has been used since antiquity for both its flavour and as a medicine. Black pepper is the world's most traded spice. It is one of the most common spices added to European cuisine and its descendants. The spiciness of black pepper is due to the chemical piperine, not to be confused with the capsaicin that gives fleshy peppers theirs. It is ubiquitous in the modern world, often paired with salt.

Prunus is a genus of trees and shrubs, which includes the plums, cherries, peaches, nectarines, apricots and almonds. Around 430 species are spread throughout the northern temperate regions of the globe. Many members of the genus are widely cultivated for fruit and ornament. The fruit from this genus are commonly called the stone fruit.

An apricot is a fruit or the tree that bears the fruit. Usually, an apricot tree is from the tree species Prunus armeniaca, but the species Prunus brigantina, Prunus mandshurica, Prunus mume, and Prunus sibirica are closely related, have similar fruit, and are also called apricots.
Prunus domestica (sometimes referred to as Prunus × domestica) is a species of flowering plant in the family Rosaceae. A deciduous tree, it includes many varieties of the fruit trees known as plums in English, though not all plums belong to this species. The greengages and damsons also belong to subspecies of P. domestica.
Wild celery is a common name for several plants Wild celery may refer to Wild growing forms of celery, Apium graveolens Angelica archangelica, cultivated as a vegetable and medicinal plant Lovage, Levisticum officinale, sometimes known as wild celery Vallisneria americana, an aquatic plant in the Hydrocharitaceae family

The peanut, also known as the groundnut and the goober and taxonomically classified as <i>Arachis hypogaea</i>, is a legume crop grown mainly for its edible seeds. It is widely grown in the tropics and subtropics, being important to both small and large commercial producers. It is classified as both a grain legume and, because of its high oil content, an oil crop. World annual production of shelled peanuts was 42 million tonnes in 2014. Atypically among crop plants, peanut pods develop underground rather than aboveground. It is this characteristic that the botanist Linnaeus used to assign the specific name <i>hypogaea</i>, which means "under the earth." (Wikipedia)

Horseradish (Armoracia rusticana, syn. Cochlearia armoracia) is a perennial plant of the Brassicaceae family (which also includes mustard, wasabi, broccoli, and cabbage). The plant is probably native to southeastern Europe and western Asia. It is now popular around the world. It grows up to 1.5 metres (5 feet) tall, and is cultivated primarily for its large, white, tapered root. The intact horseradish root has hardly any aroma. When cut or grated, however, enzymes from the now-broken plant cells break down sinigrin to produce allyl isothiocyanate, which irritates the mucous membranes of the sinuses and eyes. Once exposed to air (via grating) or heat, if not used immediately or mixed in vinegar, the grated mash darkens, loses its pungency, and becomes unpleasantly bitter-tasting.

Asparagus officinalis is a spring vegetable, a flowering perennial plant species in the genus Asparagus. It was once classified in the lily family, like its Allium cousins, onions and garlic, but the Liliaceae have been split and the onion-like plants are now in the family Amaryllidaceae and asparagus in the Asparagaceae. Asparagus officinalis is native to most of Europe, northern Africa and western Asia, and is widely cultivated as a vegetable crop.

The Brazil nut (Bertholletia excelsa) is a South American tree in the family Lecythidaceae, and also the name of the tree's commercially harvested edible seed.



Brassica oleracea is the species of plant that includes many common foods as cultivars, including cabbage, broccoli, cauliflower, kale, Brussels sprouts, savoy, and Chinese kale. In its uncultivated form it is known as wild cabbage. It is native to coastal southern and western Europe. Its tolerance of salt and lime and its intolerance of competition from other plants typically restrict its natural occurrence to limestone sea cliffs, like the chalk cliffs on both sides of the English Channel.

The chayote (Sechium edule), also known as christophene or christophine, cho-cho, mirliton or merleton, chuchu, centinarja, pear squash, vegetable pear, chouchoute, choko, pipinola, güisquil (El Salvador) is an edible plant belonging to the gourd family Cucurbitaceae, along with melons, cucumbers and squash. Chayote is originally native to Mexico or Central America where it grows abundantly and has little commercial value, and it has been introduced as a crop all over Latin America, and worldwide. The main growing regions are Brazil, Costa Rica and Veracruz, Mexico. Costa Rican chayotes are predominantly exported to the European Union, whereas Veracruz is the main exporter of chayotes to the United States. The word chayote is a Spanish derivative of the Nahuatl word chayohtli. Chayote was one of the many foods introduced to Europe by early explorers, who brought back a wide assortment of botanical samples. The Age of Conquest also spread the plant south from Mexico, ultimately causing it to be integrated into the cuisine of many other Latin American nations. The chayote fruit is used in mostly cooked forms. When cooked, chayote is usually handled like summer squash, it is generally lightly cooked to retain the crisp flavor. Though rare and often regarded as especially unpalatable and tough in texture, raw chayote may be added to salads or salsas, most often marinated with lemon or lime juice. Whether raw or cooked, chayote is a good source of amino acids and vitamin C. Although most people are familiar only with the fruit as being edible, the root, stem, seeds and leaves are as well. The tubers of the plant are eaten like potatoes and other root vegetables, while the shoots and leaves are often consumed in salads and stir fries, especially in Asia. Like other members of the gourd family, such as cucumbers, melons, and squash, chayote has a sprawling habit, and it should only be planted if there is plenty of room in the garden. The roots are also highly susceptible to rot, especially in containers, and the plant in general is finicky to grow. However, in Australia and New Zealand, it is an easily grown yard or garden plant, set on a chicken wire support or strung against a fence.
The cherimoya, also spelled chirimoya, is the fruit of the species Annona cherimola, which generally is thought to be native to the Andes, although an alternative hypothesis proposes Central America as the origin of cherimoya because many of its wild relatives occur in this area. Today cherimoya is grown throughout South Asia, Central America, South America, Southern California and southern Andalucia [La Axarquia].

Broccoli is an edible green plant in the cabbage family, whose large flowering head is used as a vegetable. The word broccoli comes from the Italian plural of broccolo, which means "the flowering top of a cabbage", and is the diminutive form of brocco, meaning "small nail" or "sprout". Broccoli is often boiled or steamed but may be eaten raw.

Tea is an aromatic beverage commonly prepared by pouring hot or boiling water over cured leaves of the tea plant, Camellia sinensis. After water, tea is the most widely consumed beverage in the world. It has a cooling, slightly bitter, and astringent flavour that many people enjoy.

Kale or borecole is a form of cabbage, with green or purple leaves, in which the central leaves do not form a head. It is considered to be closer to wild cabbage than most domesticated forms. The species Brassica oleracea contains a wide array of vegetables, including broccoli, cauliflower, collard greens, and brussels sprouts. The cultivar group Acephala also includes spring greens and collard greens, which are extremely similar genetically.
<i>Capsicum annuum</i> is a domesticated species of the plant genus <i>Capsicum</i> native to southern North America and northern South America. The three species <i>C. annuum</i>, <i>C. frutescens</i> and <i>C. chinense</i> all evolved from a single common ancestor located somewhere in the northwest Brazil - Colombia area. <i>Capsicum annuum</i> is the most common and extensively cultivated of the five domesticated capsicums. The species is a source of popular "sweet peppers":http://en.wikipedia.org/wiki/Bell_peppers and "hot chilis":http://en.wikipedia.org/wiki/Chili_pepper with numerous varieties cultivated all around the world. In American English the plant is commonly known as a chili pepper or bell pepper. In British English, the sweet varieties are called red or green peppers and the hot varieties chillies, whereas in Australian and Indian English the name capsicum is commonly used for bell peppers exclusively and chilli is often used to encompass the hotter varieties. [Wikipedia] See a "list of capsicum cultivars":http://en.wikipedia.org/wiki/List_of_Capsicum_cultivars.

The loganberry (Rubus × loganobaccus) is an hexaploid hybrid produced from pollination of a plant of the octaploid blackberry 'Aughinbaugh' by a diploid red raspberry (Rubus idaeus). The plant and the fruit resemble the blackberry more than the raspberry, but the fruit color is a dark red, rather than black as in blackberries. Loganberries are cultivated commercially and by gardeners.

The papaya, papaw, or pawpaw is the fruit of the plant Carica papaya, the sole species in the genus Carica of the plant family Caricaceae. It is native to the tropics of the Americas, perhaps from southern Mexico and neighbouring Central America. It was first cultivated in Mexicoseveral centuries before the emergence of the Mesoamerican classical civilizations. The papaya is a large, tree-like plant, with a single stem growing from 5 to 10 m (to ft) tall, with spirally arranged leaves confined to the top of the trunk. The lower trunk is conspicuously scarred where leaves and fruit were borne. The leaves are large, 50–70 cm in diameter, deeply palmately lobed, with seven lobes. Unusually for such large plants, the trees are dioecious. The tree is usually unbranched, unless lopped. The flowers are similar in shape to the flowers of the Plumeria, but are much smaller and wax-like. They appear on the axils of the leaves, maturing into large fruit - 15–45 cm long and 10–30 cm in diameter. The fruit is ripe when it feels soft (as soft as a ripe avocado or a bit softer) and its skin has attained an amber to orange hue. Carica papaya was the first transgenic fruit tree to have its genome deciphered.

Safflower is a highly branched, herbaceous, thistle-like annual. It is commercially cultivated for vegetable oil extracted from the seeds. Plants are 30 to 150 cm (to in) tall with globular flower heads having yellow, orange, or red flowers. Each branch will usually have from one to five flower heads containing 15 to 20 seeds per head. Safflower is native to arid environments having seasonal rain. It grows a deep taproot which enables it to thrive in such environments.
Musa × paradisiaca is the accepted name for the hybrid between Musa acuminata and Musa balbisiana. Most cultivated bananas and plantains are triploid cultivars either of this hybrid or of M. acuminata. Linnaeus originally used the name M. paradisiaca only for plantains or cooking bananas, but the modern usage includes hybrid cultivars used both for cooking and as dessert bananas.
Endive, Cichorium endivia, is a leaf vegetable belonging to the daisy family. Endive can be cooked or used raw in salads. Endive is rich in many vitamins and minerals, especially in folate and vitamins A and K, and is high in fiber. There are two main varieties of cultivated C. endivia endive: (1) Curly endive, or frisée (var crispum). This type has narrow, green, curly outer leaves. It is sometimes called chicory in the United States and is called chicorée frisée in French. Further confusion results from the fact that frisée also refers to greens lightly wilted with oil. (2) Escarole, or broad-leaved endive (var latifolia), has broad, pale green leaves and is less bitter than the other varieties. Varieties or names include broad-leaved endive, Bavarian endive, Batavian endive, grumolo, scarola, and scarole. It is eaten like other greens, sauteed, chopped into soups and stews, or as part of a green salad (Wikipedia).

The Key lime (Citrus × aurantiifolia) is a citrus species with a globose fruit, 2.5-5 cm in diameter (1-2 in), that is yellow when ripe but usually picked green commercially. It is smaller and seedier, with a higher acidity, a stronger aroma, and a thinner rind, than that of the Persian lime (Citrus × latifolia). It is valued for its unique flavor compared to other limes, with the Key lime usually having a more tart and bitter flavor. The name comes from its association with the Florida Keys, where it is best known as the flavoring ingredient in Key lime pie. It is also known as West Indian lime, bartender's lime, Omani lime, or Mexican lime, the latter classified as a distinct race with a thicker skin and darker green color. Philippine varieties have various names, including dayap and bilolo.
Muskmelon (Cucumis melo) is a species of melon that has been developed into many cultivated varieties. These include smooth skinned varieties such as honeydew, crenshaw and casaba, and different netted cultivars (cantaloupe, Persian melon and Santa Claus or Christmas melon). The Armenian cucumber is also a variety of muskmelon, but its shape, taste, and culinary uses more closely resemble those of a cucumber. The large number of cultivars in this species approaches that found in wild cabbage, though morphological variation is not as extensive. It is a fruit of a type called pepo. Muskmelon is native to Persia, Anatolia, Armenia, and adjacent areas on the west and the east which is believed to be their center of origin and development, with a secondary center including the northwest provinces of India and Afghanistan. Although truly wild forms of C. melo have not been found, several related wild species have been noted in those regions.
Cucurbita (Latin for gourd) is a genus in the gourd family Cucurbitaceae native to and originally cultivated in the Andes and Mesoamerica. The Cucurbita genus is an important source of human food and is used for other purposes such as beverages, medicine, oil, and detergent. Some Cucurbita species were brought to Europe after the discovery of America and are now used in many parts of the world. The plants, referred to as squash, pumpkin or gourd depending on species, variety and local parlance, are grown for their edible fruits and seeds. Real (bottle-)gourds, used as utensils or vessels, belong to the genus Lagenaria and are native to Africa. Lagenaria are in the same family and subfamily as Cucurbita, but different tribes.

The quince (Cydonia oblonga) is the sole member of the genus Cydonia in the family Rosaceae (which also contains apples and pears, among other fruits). It is a small deciduous tree that bears a pome fruit, similar in appearance to a pear, and bright golden-yellow when mature. Throughout history the cooked fruit has been used as food, but the tree is also grown for its attractive pale pink blossom and other ornamental qualities.

The leek is a vegetable that belongs, along with onion and garlic, to the genus Allium, currently placed in family Amaryllidaceae, subfamily Allioideae. Historically many scientific names were used for leeks, which are now treated as cultivars of Allium ampeloprasum. Two related vegetables, elephant garlic and kurrat, are also cultivars of A. ampeloprasum, although different in their uses as food. The edible part of the leek plant is a bundle of leaf sheaths that is sometimes erroneously called a stem or stalk.

The globe artichoke (Cynara cardunculus var. scolymus) is a cultivated variety of a species of thistle. It is cultivated as a food. The edible matter is buds that form within the flower heads before the flowers come into bloom. The buds go away or change to a coarse, barely edible form when the flower blooms. The uncultivated or wild variety of the species is called a cardoon. It is a perennial plant native to the Mediterranean region.
Buckwheat (Fagopyrum esculentum) is a plant cultivated for its grain-like seeds, and also used as a cover crop. Despite the name, buckwheat is not related to wheat, as it is not a grass; instead, buckwheat is related to sorrel, knotweed, and rhubarb. The cultivation of buckwheat grain declined sharply in the 20th century with the adoption of nitrogen fertilizer that increased the productivity of other staples. A related species, Fagopyrum tataricum (Tartary buckwheat) is also cultivated as a grain in the Himalayas.

The common fig (Ficus carica) is a species of flowering plant in the genus Ficus, from the family Moraceae, known as the common fig (or just the fig), انجیر (Urdu), anjeer (Hindi), and dumur (Bengali). It is the source of the fruit also called the fig, and as such is an important crop in those areas where it is grown commercially. Native to the Middle East and western Asia, it has been sought out and cultivated by man since ancient times, and is now widely grown throughout the temperate world, both for its fruit and as an ornamental plant. Figs can be eaten fresh or dried, and used in jam-making.

Fennel (Foeniculum vulgare) is a plant species in the genus Foeniculum (treated as the sole species in the genus by most botanists). It is a member of the family Apiaceae (formerly the Umbelliferae). It is a hardy, perennial, umbelliferous herb, with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized in many parts of the world, especially on dry soils near the sea-coast and on riverbanks. It is a highly aromatic and flavorful herb with culinary and medicinal uses and, along with the similar-tasting anise, is one of the primary ingredients of absinthe. Florence fennel or finocchio is a selection with a swollen, bulb-like stem base that is used as a vegetable. Fennel is used as a food plant by the larvae of some Lepidoptera species including the mouse moth and the anise swallowtail.
The soybean (US) or soya bean (UK) (Glycine max) is a species of legume native to East Asia, widely grown for its edible bean which has numerous uses. The plant is classed as an oilseed rather than a pulse by the UN Food and Agricultural Organization (FAO). Fat-free (defatted) soybean meal is a significant and cheap source of protein for animal feeds and many prepackaged meals; soy vegetable oil is another product of processing the soybean crop. For example, soybean products such as textured vegetable protein (TVP) are ingredients in many meat and dairy analogues. Soybeans produce significantly more protein per acre than most other uses of land. Traditional nonfermented food uses of soybeans include soy milk, and from the latter tofu and tofu skin. Fermented foods include soy sauce, fermented bean paste, natto, and tempeh, among others. The oil is used in many industrial applications. The main producers of soy are the United States (35%), Brazil (27%), Argentina (19%), China (6%) and India (4%). The beans contain significant amounts of phytic acid, alpha-linolenic acid, and isoflavones.
Sunflower (Helianthus annuus) is an annual plant native to the Americas. It possesses a large inflorescence (flowering head), and its name is derived from the flower's shape and image, which is often used to depict the sun. The plant has a rough, hairy stem, broad, coarsely toothed, rough leaves and circular heads of flowers. The heads consist of many individual flowers which mature into seeds, often in the hundreds, on a receptacle base. From the Americas, sunflower seeds were brought to Europe in the 16th century, where, along with sunflower oil, they became a widespread cooking ingredient. Leaves of the sunflower can be used as cattle feed, while the stems contain a fibre which may be used in paper production.
Barley (Hordeum vulgare L. ), a member of the grass family, is a major cereal grain. Important uses include use as animal fodder, as a source of fermentable material for beer and certain distilled beverages, and as a component of various health foods. It is used in soups and stews, and in barley bread of various cultures. Barley grains are commonly made into malt in a traditional and ancient method of preparation. In a 2007 ranking of cereal crops in the world, barley was fourth both in terms of quantity produced (136 million tons) and in area of cultivation (566,000 km²).

Chives is the common name of Allium schoenoprasum, the smallest species of the edible onions. A perennial plant, it is native to Europe, Asia and North America. A. schoenoprasum is the only species of Allium native to both the New and the Old Worlds. The name of the species derives from the Greek skhoínos and práson. Its English name, chives, derives from the French word cive, from cepa, the Latin word for onion. Chives are a commonly used herb and can be found in grocery stores or grown in home gardens. In culinary use, the scapes are diced and used as an ingredient for fish, potatoes, soups, and other dishes. Chives have insect-repelling properties that can be used in gardens to control pests.

Cress (Lepidium sativum), sometimes referred to as garden cress to distinguish it from similar plants also referred to as cress. Garden Cress is a rather fast-growing, edible herb. Garden cress is genetically related to watercress and mustard, sharing their peppery, tangy flavor and aroma. In some regions, garden cress is known as mustard and cress, garden pepper cress, pepper grass, pepperwort or poor person's pepper. This annual plant can reach a height of 60 cm (~24 inches), with many branches on the upper part. The white to pinkish flowers are only 2 mm (1/12 of an inch) across, clustered in branched racemes.


cactus pad

fruit from Sechium edule

seed from Phaseolus lunatus

Species of plant in the carrot family

Annual herb
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