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Encyclopedia > Nut (fruit)
a walnut and a walnut core
a walnut and a walnut core
Hazelnuts from the Common Hazel
Hazelnuts from the Common Hazel

A nut can be either a seed or a fruit. Look up nut in Wiktionary, the free dictionary. ... Image File history File links Metadata No higher resolution available. ... Image File history File links Metadata No higher resolution available. ... For other uses, see Walnut (disambiguation). ... Image File history File links Lots of hazelnuts. ... Image File history File links Lots of hazelnuts. ... Binomial name Corylus avellana L. The Common Hazel (Corylus avellana) is a shrub native to Europe and Asia. ... Binomial name Corylus avellana L. Male catkins on Common Hazel The Common Hazel (Corylus avellana) is a shrub native to Europe and Asia. ... Image File history File links Download high resolution version (1600x1110, 300 KB) Chestnuts File links The following pages link to this file: Chestnut Nut (fruit) User:Fir0002/FPCandidates ... Image File history File links Download high resolution version (1600x1110, 300 KB) Chestnuts File links The following pages link to this file: Chestnut Nut (fruit) User:Fir0002/FPCandidates ... Species Castanea alnifolia - Bush Chinkapin* Castanea crenata - Japanese Chestnut Castanea dentata - American Chestnut Castanea henryi - Henrys Chestnut Castanea mollissima - Chinese Chestnut Castanea ozarkensis - Ozark Chinkapin Castanea pumila - Allegheny Chinkapin Castanea sativa - Sweet Chestnut Castanea seguinii - Seguins Chestnut * treated as a synonym of by many authors Chestnut is a... A ripe red jalapeño cut open to show the seeds For other uses, see Seed (disambiguation). ... For other uses, see Fruit (disambiguation). ...

Contents

Botanical definitions

A nut in botany is a simple dry fruit with one seed (rarely two) in which the ovary wall becomes very hard (stony or woody) at maturity, and where the seed remains unattached or unfused with the ovary wall. Most nuts come from pistils with inferior ovaries (see flower) and all are indehiscent (not opening at maturity). True nuts are produced, for example, by some plants — families of the order Fagales. Pinguicula grandiflora commonly known as a Butterwort Example of a cross section of a stem [1] Botany is the scientific study of plant life. ... For other uses, see Fruit (disambiguation). ... A ripe red jalapeño cut open to show the seeds For other uses, see Seed (disambiguation). ... Longitudinal section of female flower of squash showing ovary, ovules, pistil, and petals In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynoecium. ... Amaryllis style and stigmas A carpel is the outer, often visible part of the female reproductive organ of a flower; the basic unit of the gynoecium. ... For other uses, see Flower (disambiguation). ... In scientific classification used in biology, the order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). ... Families included in the Kew list: Fagaceae - Beech family   (including Nothofagaceae) Betulaceae - Birch family Corylaceae - Hazel family Ticodendraceae not included in the Kew list: Casuarinaceae - She-oak family Juglandaceae - Walnut family Rhoipteleaceae Myricaceae The Fagales are an order of flowering plants, including some of the best known trees. ...

Order Fagales

Genera Alfaroa Annamocarya (beaked hickory) Carya (hickory and pecan) Cyclocarya (wheel wingnut) Engelhardia (cheo) Juglans (walnut) Oreomunnia Platycarya Pterocarya (wingnut) The Juglandaceae are a family of dicotyledonous trees in the order Fagales. ... For other uses, see Walnut (disambiguation). ... Binomial name Juglans regia L. The Persian Walnut (Juglans regia), also known as Common Walnut or English Walnut, is a species of walnut native from the Balkans in southeast Europe east through southwest and central Asia and the Himalaya to southwest China. ... Binomial name Juglans cinerea L. The Butternut (Juglans cinerea), also occasionally known as the White Walnut, is a species of walnut native to the eastern United States and southeast Canada, from southern Quebec west to Minnesota, south to northern Alabama and southwest to northern Arkansas. ... Species See text Comparison of Carya nuts Ripe hickory nuts ready to fall, Andrews, SC Hickory is a tree of the genus Carya, including 17-19 species of deciduous trees with pinnately compound leaves and large nuts. ... Binomial name Carya illinoinensis (Wangenh. ... Species See text The wingnuts are plants in the genus Pterocarya (from Ancient Greek pteron, wing + kary, nut) in the walnut family Juglandaceae, native to Asia. ... Genera Castanea - Chestnuts Castanopsis Chrysolepis - Golden chinkapin Colombobalanus Cyclobalanopsis Fagus - Beeches Formanodendron Lithocarpus - Stone oaks Quercus - Oaks Trigonobalanus The family Fagaceae, or beech family, is characterized by alternate leaves with pinnate venation, flowers in the form of catkins, and fruit in the form of nuts, one to seven in a... Species Castanea alnifolia - Bush Chinkapin* Castanea crenata - Japanese Chestnut Castanea dentata - American Chestnut Castanea henryi - Henrys Chestnut Castanea mollissima - Chinese Chestnut Castanea ozarkensis - Ozark Chinkapin Castanea pumila - Allegheny Chinkapin Castanea sativa - Sweet Chestnut Castanea seguinii - Seguins Chestnut * treated as a synonym of by many authors Chestnut is a... For other uses, see Beech (disambiguation). ... Species See List of Quercus species The term oak can be used as part of the common name of any of several hundred species of trees and shrubs in the genus Quercus (from Latin oak tree), and some related genera, notably Cyclobalanopsis and Lithocarpus. ... Species Lithocarpus cleistocarpus Lithocarpus densiflorus - Tanoak Lithocarpus edulis - Japanese Stone Oak Lithocarpus glaber Lithocarpus henryi - Henrys Stone Oak Lithocarpus pachyphyllus and many more Lithocarpus is a genus in the beech family Fagaceae. ... Binomial name Lithocarpus densiflorus (Hook. ... Genera Alnus - Alder Betula - Birch Carpinus - Hornbeam Corylus - Hazel Ostrya - Hop-hornbeam Ostryopsis - Hazel-hornbeam Betulaceae, or the Birch Family, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams and hop-hornbeams, numbering about 130 species. ... Species About 20-30 species, see text. ... Species Many species; see text and classification Birch is the name of any tree of the genus Betula, in the family Betulaceae, closely related to the beech/oak family, Fagaceae. ... This article is about the tree; for other meanings of hazel, see Hazel (disambiguation). ... Binomial name Corylus maxima Mill. ... Species Carpinus betulus - European Hornbeam Carpinus caroliniana - American Hornbeam Carpinus cordata - Sawa Hornbeam Carpinus fargesii - Farges Hornbeam Carpinus laxiflora - Aka-shide Hornbeam Carpinus japonica - Japanese Hornbeam Carpinus orientalis - Oriental Hornbeam Carpinus tschonoskii - Chonowskis Hornbeam Carpinus turczaninowii - Turkzaninovs Hornbeam The hornbeams (Carpinus) are a genus of relatively small hardwood...

Culinary definition and uses

Korean Pine nuts — unshelled, and shell, above; shelled, below
Korean Pine nuts — unshelled, and shell, above; shelled, below
A woman selling nuts at a roadside in Izmir Province, Turkey.
A woman selling nuts at a roadside in Izmir Province, Turkey.

A nut in cuisine is a much less restrictive (but vital) category than a nut in botany, as the term is applied (or misapplied, depending upon the viewpoint) to many seeds that are not true nuts. Any large, oily kernel found within a shell and used in food may be regarded as a nut. Because nuts generally have a high oil content, they are a highly prized food and energy source. A large number of seeds are edible by humans and used in cooking, eaten raw, sprouted, or roasted as a snack food, or pressed for oil that is used in cookery and cosmetics. Nuts (or seeds generally) are also a significant source of nutrition for wildlife. This is particularly true in temperate climates where animals such as jays and squirrels store acorns and other nuts during the autumn to keep them from starving during the late autumn, all of winter, and early spring. Korean Pine pine nuts - photo User:MPF File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Korean Pine pine nuts - photo User:MPF File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Binomial name Pinus koraiensis The Korean Pine (Pinus koraiensis; family Pinaceae) is a species of pine tree that occurs in eastern Asia, in Manchuria in northeast China, Primorsky Krai and Khabarovsk Krai in the far east of Russia, Korea and central Japan. ... Image File history File links Metadata Size of this preview: 778 × 599 pixelsFull resolution (2382 × 1835 pixel, file size: 841 KB, MIME type: image/jpeg) A woman selling nuts at a roadside in Izmir Province, Turkey. ... Image File history File links Metadata Size of this preview: 778 × 599 pixelsFull resolution (2382 × 1835 pixel, file size: 841 KB, MIME type: image/jpeg) A woman selling nuts at a roadside in Izmir Province, Turkey. ... Shows the Location of the Province İzmir İzmir is a province of Turkey in the western Anatolia on the Aegean coast. ... Cuisine (from French cuisine, cooking; culinary art; kitchen; ultimately from Latin coquere, to cook) is a specific set of cooking traditions and practices, often associated with a specific culture. ... A ripe red jalapeño cut open to show the seeds For other uses, see Seed (disambiguation). ... A ripe red jalapeño cut open to show the seeds For other uses, see Seed (disambiguation). ... A snack food (commonly shortened to snack) is seen in Western culture as a type of food not meant to be eaten as a main meal of the day (breakfast, lunch, dinner) but one that is intended rather to assuage a persons hunger between these meals, providing a brief... Cooking is the act of preparing food for consumption. ... “Make-up” redirects here. ... Genera Garrulus Podoces Ptilostomus Perisoreus Aphelocoma Gymnorhinus Cyanocitta Calocitta Cyanocorax Cyanolyca The jays are several species of medium-sized, usually colorful and noisy passerine birds in the crow family Corvidae. ... This article is about the animal. ... For other uses, see Acorn (disambiguation). ...


Nuts, including both tree nuts and peanuts, are among the most common food allergens.[1] Binomial name L. This article is about the legume. ... A food allergy is an immunologic response to a food protein. ...


Some fruits and seeds that are nuts in the culinary sense but not in the botanical sense:

See also: List of edible seeds Binomial name (Mill. ... The peach is a typical drupe (stone fruit) In botany, a drupe is a type of fruit in which an outer fleshy part (exocarp or skin and mesocarp or flesh) surrounds a shell (the pit or stone) of hardened endocarp with a seed inside. ... Binomial name Bertholletia excelsa Humb. ... Flowers and fruit (capsules) of the ground orchid, Spathoglottis plicata. ... Binomial name Aleurites moluccana (L.) Willd. ... Binomial name L. The Cashew (Anacardium occidentale; syn. ... For other uses, see Coconut (disambiguation). ... Species Aesculus arguta: Texas Buckeye Aesculus californica: California Buckeye Aesculus chinensis: Chinese Horse-chestnut Aesculus flava (): Yellow Buckeye Aesculus glabra: Ohio Buckeye Aesculus hippocastanum: Common Horse-chestnut Aesculus indica: Indian Horse-chestnut Aesculus neglecta: Dwarf Buckeye Aesculus parviflora: Bottlebrush Buckeye Aesculus pavia: Red Buckeye Aesculus sylvatica: Painted Buckeye Aesculus turbinata... Species Macadamia claudiensis Macadamia grandis Macadamia hildebrandii Macadamia integrifolia Macadamia jansenii Macadamia ternifolia Macadamia tetraphylla Macadamia whelanii Macadamia is a genus of eight species of flowering plants in the family Proteaceae, with a disjunct distribution native to eastern Australia (seven species) and Indonesia (Sulawesi; one species, ). Macadamia integrifolia flowers They... Description Formerly known as Ricinodendron rautanenii, the mongongo tree is a member of the Euphorbia family. ... Binomial name L. This article is about the legume. ... This article is about the fruit of the plants also called legumes. For the plants themselves, see Fabaceae . ... Pine nuts are the edible seeds of pine trees (family Pinaceae, genus Pinus). ... For other uses, see Pine (disambiguation). ... Orders & Families Cordaitales † Pinales   Pinaceae - Pine family   Araucariaceae - Araucaria family   Podocarpaceae - Yellow-wood family   Sciadopityaceae - Umbrella-pine family   Cupressaceae - Cypress family   Cephalotaxaceae - Plum-yew family   Taxaceae - Yew family Vojnovskyales † Voltziales † “Conifer” redirects here. ... Binomial name L. The pistachio (Pistacia vera L., Anacardiaceae; sometimes placed in Pistaciaceae) is a small tree up to 10 m tall, native to mountainous regions of Iran, Turkmenistan and western Afghanistan. ... A variety of species can provide edible seeds: Almonds Amaranthus Beans/Legumes, including Chickpeas Broad beans Lentils Peas Peanuts Phaseolus beans Soybeans Sweet peas (Lathyrus) Cocoa Carob tree Cereals, including Barley Buckwheat Kamut Maize Oats Rice Rye Sorghum Spelt Triticale Teff Wild rice Wheat Coconuts Common Hazel Coriander Ginkgo Monkey...


Nutritional benefits

A graph detailing the nutritional properties of nuts and oily seeds.
A graph detailing the nutritional properties of nuts and oily seeds.

Several epidemiological studies have revealed that people who consume nuts regularly are less likely to suffer from coronary heart disease. Recent clinical trials have found that consumption of various nuts such as almonds and walnuts can lower serum LDL cholesterol concentrations. Although nuts contain various substances thought to possess cardioprotective effects, scientists believe that their fatty acid profile is at least in part responsible for the hypolipidemic response observed in clinical trials. Image File history File links Size of this preview: 800 × 452 pixels Full resolution (996 × 563 pixel, file size: 52 KB, MIME type: image/png) All data is from National Nutrient Database (NDB) for Standard Reference, version SR18, compiled by the Nutrient Data Laboratory, Agricultural Research Service, United States Department... Image File history File links Size of this preview: 800 × 452 pixels Full resolution (996 × 563 pixel, file size: 52 KB, MIME type: image/png) All data is from National Nutrient Database (NDB) for Standard Reference, version SR18, compiled by the Nutrient Data Laboratory, Agricultural Research Service, United States Department... Epidemiology (Greek epi = upon, among; demos = people, district; logos = word, discourse), defined literally, is the study of epidemics in humans. ... Coronary heart disease (CHD), also called coronary artery disease (CAD), ischaemic heart disease, atherosclerotic heart disease, is the end result of the accumulation of atheromatous plaques within the walls of the arteries that supply the myocardium (the muscle of the heart) with oxygen and nutrients. ... In health care, including medicine, a clinical trial (synonyms: clinical studies, research protocols, medical research) is a process in which a medicine or other medical treatment is tested for its safety and effectiveness, often in comparison to existing treatments. ... Binomial name (Mill. ... For other uses, see Walnut (disambiguation). ... Low-density lipoprotein (LDL) refers to a class and range of lipoprotein particles, varying somewhat in their size and contents, which carry cholesterol in the blood and around the body, for use by various cells. ... In chemistry, especially biochemistry, a fatty acid is a carboxylic acid often with a long unbranched aliphatic tail (chain), which is either saturated or unsaturated. ... Hypolipidemic agents, or antihyperlipidemic agents, are a diverse group of pharmaceuticals that are used in the treatment of hyperlipidemias. ...


In addition to possessing cardioprotective effects, nuts generally have a very low glycemic index (GI). Consequently, dietitians frequently recommend nuts be included in diets prescribed for patients with insulin resistance problems such as diabetes mellitus type 2. Glycemic index (also glycaemic index, GI) is a ranking system for carbohydrates based on their effect on blood glucose levels. ... Insulin resistance is the condition in which normal amounts of insulin are inadequate to produce a normal insulin response from fat, muscle and liver cells. ... Diabetes mellitus type 2 or Type 2 Diabetes (formerly called non-insulin-dependent diabetes (NIDDM), obesity-related diabetes, or adult-onset diabetes) is a metabolic disorder that is primarily characterized by insulin resistance, relative insulin deficiency, and hyperglycemia. ...


One study found that people who eat nuts live two to three years longer than those who do not. However, this may be because people who eat nuts tend to eat less junk food. [2] Cheetos The Luther Burger, a bacon cheeseburger which employs a glazed donut in place of each bun. ...


Other uses

The "nut" of the horse-chestnut (Aesculus hippocastanum), is also known as a conker. Conkers are inedible, due to the presence of the toxic glucoside aesculin, but are collected and used in an old children's game, also known as conkers, in which a nut is threaded onto a strong cord and then each child attempts to break their opponent's conker by hitting it with their own. A related species, Aesculus californica, was formerly eaten by the Native Americans of California in times of famine. It must be leached to remove the toxic constituents before eating. Species Aesculus arguta: Texas Buckeye Aesculus californica: California Buckeye Aesculus chinensis: Chinese Horse-chestnut Aesculus flava (): Yellow Buckeye Aesculus glabra: Ohio Buckeye Aesculus hippocastanum: Common Horse-chestnut Aesculus indica: Indian Horse-chestnut Aesculus neglecta: Dwarf Buckeye Aesculus parviflora: Bottlebrush Buckeye Aesculus pavia: Red Buckeye Aesculus sylvatica: Painted Buckeye Aesculus turbinata... For the video game character and games of the same name, see Conker (series) A selection of fresh conkers from a horse-chestnut tree. ... A glucoside is a glycoside that is derived from glucose. ... Aesculin is a glucoside that naturally occurs in the horse chestnut Aesculus hippocastanum and in daphnin (the dark green resin of Daphne mezereum). ... For the video game character and games of the same name, see Conker (series) A selection of fresh conkers from a horse-chestnut tree. ... Binomial name Aesculus californica (Spach) Nutt. ... This article is about the people indigenous to the United States. ... Official language(s) English Capital Sacramento Largest city Los Angeles Largest metro area Greater Los Angeles Area  Ranked 3rd  - Total 158,302 sq mi (410,000 km²)  - Width 250 miles (400 km)  - Length 770 miles (1,240 km)  - % water 4. ...


References

  1. ^ Common Food Allergens. The Food Allergy & Anaphylaxis Network. Retrieved on 2007-06-24.
  2. ^ "ABC News: The Places Where People Live Longest". URL accessed January 18, 2007.

Kellogg, John H. "Nuts May Save the Race." The Itinerary of Breakfast. New York: Funk & Wagnalls Company, 1920. 165–203. Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... is the 175th day of the year (176th in leap years) in the Gregorian calendar. ... is the 18th day of the year in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ...


External links

Wikimedia Commons has media related to:
Nuts
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Nuts and Seeds

  Results from FactBites:
 
Nut (fruit) - Facts, Information, and Encyclopedia Reference article (655 words)
Corn nut is a roasted or deep fried maize seed.
Pistachio nut is the seed of a thin-shelled drupe.
A nut is a compound ovary that is both the seed and the fruit, which cannot be separated.
Nut (fruit) - Wikipedia, the free encyclopedia (826 words)
A nut is a seed of a plant.
A nut in botany is a simple dry fruit with one seed (rarely two) in which the ovary wall becomes very hard (stony or woody) at maturity, and where the seed remains unattached or unfused with the ovary wall.
Although nuts contain various substances thought to possess cardioprotective effects, scientists believe that their fatty acid profile is at least in part responsible for the hypolipidemic response observed in clinical trials.
  More results at FactBites »

 
 

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