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Buckwheat [[noodle]]s play a major role in the cuisines of [[Japan]] (''[[soba]]''),<ref name="Belton">{{cite book|url=https://books.google.com/?id=NRMdXx8fC8kC&pg=PA138&dq=soba+Japan#v=onepage&q=soba%20Japan |author=P. S. Belton |author2=John Reginald Nuttall Taylor |title=Pseudocereals and Less Common Cereals : grain properties and utilization potential|publisher=Springer |year=2002 | page=138 |isbn=978-3-540-42939-5 }}</ref> [[Korea]] (''[[naengmyeon]]'', ''[[makguksu]]'' and ''memil guksu''), buckwheat fresh pasta (''pasta di grano saraceno'') in [[Apulia]] region of Southern Italy and the [[Valtellina]] region of Northern [[Italy]] (''[[pizzoccheri]]''). ''Soba'' noodles are the subject of deep cultural importance in Japan. In Korea, [[guksu (dish)|''guksu'']] (noodles) were widely made from buckwheat before it was replaced by wheat.{{Citation needed|date=November 2008}} The difficulty of making noodles from flour with no gluten has resulted in a traditional art developed around their manufacture by hand.
Buckwheat [[noodle]]s play a major role in the cuisines of [[Japan]] (''[[soba]]''),<ref name="Belton">{{cite book|url=https://books.google.com/?id=NRMdXx8fC8kC&pg=PA138&dq=soba+Japan#v=onepage&q=soba%20Japan |author=P. S. Belton |author2=John Reginald Nuttall Taylor |title=Pseudocereals and Less Common Cereals : grain properties and utilization potential|publisher=Springer |year=2002 | page=138 |isbn=978-3-540-42939-5 }}</ref> [[Korea]] (''[[naengmyeon]]'', ''[[makguksu]]'' and ''memil guksu''), buckwheat fresh pasta (''pasta di grano saraceno'') in [[Apulia]] region of Southern Italy and the [[Valtellina]] region of Northern [[Italy]] (''[[pizzoccheri]]''). ''Soba'' noodles are the subject of deep cultural importance in Japan. In Korea, [[guksu (dish)|''guksu'']] (noodles) were widely made from buckwheat before it was replaced by wheat.{{Citation needed|date=November 2008}} The difficulty of making noodles from flour with no gluten has resulted in a traditional art developed around their manufacture by hand.


Buckwheat [[groats]] are commonly used in western Asia and eastern Europe. The [[porridge]] was common, and is often considered the definitive [[peasant]] dish. It is made from [[roast]]ed groats that are cooked with [[broth]] to a texture similar to rice or [[bulgur]]. The dish was brought to America by Ukrainian, [[Russians|Russian]], and [[Poles|Polish]] [[immigrant]]s who called it ''[[kasha]]'', and they mixed it with [[pasta]] or used it as a filling for [[cabbage]] rolls, [[knish]]es, and [[blintz]]es; buckwheat prepared in this fashion is thus most commonly called ''kasha'' in America. Groats were the most widely used form of buckwheat worldwide during the 20th century, eaten primarily in [[Estonia]], Russia, Ukraine, [[Belarus]], and Poland, called ''[[grechka]]'' in Ukrainian or Russian. The groats can also be [[Sprouting|sprouted]] and then eaten raw or cooked.
Buckwheat [[groats]] are commonly used in western Asia and eastern Europe. The [[porridge]] was common, and is often considered the definitive [[peasant]] dish. It is made from [[roast]]ed groats that are cooked with [[broth]] to a texture similar to rice or [[bulgur]]. The dish was brought to America by Ukrainian, [[Russians|Russian]], and [[Poles|Polish]] [[immigrant]]s who called it ''[[kasha]]'', and they mixed it with [[pasta]] or used it as a filling for [[cabbage rolls]] ([[stuffed cabbage]]), [[knish]]es, and [[blintz]]es; buckwheat prepared in this fashion is thus most commonly called ''kasha'' in America. Groats were the most widely used form of buckwheat worldwide during the 20th century, eaten primarily in [[Estonia]], Russia, Ukraine, [[Belarus]], and Poland, called ''[[grechka]]'' in Ukrainian or Russian. The groats can also be [[Sprouting|sprouted]] and then eaten raw or cooked.


Buckwheat [[pancake]]s, sometimes raised with [[yeast]], are eaten in several countries. They are known as buckwheat [[Blintz|''blinis'']] in [[Russia]], ''[[galette]]s'' in [[France]] (savoury ''crêpes'' made with buckwheat flour, water, and eggs are associated with Lower [[Brittany]], whilst savoury galettes made without [[egg (food)|eggs]] are from Upper Brittany), ''[[ploye]]s'' in [[Acadia]], and ''boûketes'' (which are named after the buckwheat plant) in the [[Wallonia]] region of Belgium. Similar pancakes were a common food in American pioneer days.<ref name="Oliver2005">{{cite book|author=Sandra Louise Oliver|title=Food in Colonial and Federal America|url=https://books.google.com/books?id=fvMr83ZmMCIC&pg=PA164|date=1 January 2005|publisher=Greenwood Publishing Group|isbn=978-0-313-32988-3|page=164}}</ref> They are light and foamy. The buckwheat flour gives them an earthy, mildly mushroom-like taste. In Ukraine, yeast rolls called ''[[hrechanyky]]'' are made from buckwheat. Buckwheat flour is also used to make [[Nepal]]i dishes such as ''[[dhedo]]'' and ''[[kachhyamba]]''.
Buckwheat [[pancake]]s, sometimes raised with [[yeast]], are eaten in several countries. They are known as buckwheat [[Blintz|''blinis'']] in [[Russia]], ''[[galette]]s'' in [[France]] (savoury ''crêpes'' made with buckwheat flour, water, and eggs are associated with Lower [[Brittany]], whilst savoury galettes made without [[egg (food)|eggs]] are from Upper Brittany), ''[[ploye]]s'' in [[Acadia]], and ''boûketes'' (which are named after the buckwheat plant) in the [[Wallonia]] region of Belgium. Similar pancakes were a common food in American pioneer days.<ref name="Oliver2005">{{cite book|author=Sandra Louise Oliver|title=Food in Colonial and Federal America|url=https://books.google.com/books?id=fvMr83ZmMCIC&pg=PA164|date=1 January 2005|publisher=Greenwood Publishing Group|isbn=978-0-313-32988-3|page=164}}</ref> They are light and foamy. The buckwheat flour gives them an earthy, mildly mushroom-like taste. In Ukraine, yeast rolls called ''[[hrechanyky]]'' are made from buckwheat. Buckwheat flour is also used to make [[Nepal]]i dishes such as ''[[dhedo]]'' and ''[[kachhyamba]]''.

Revision as of 11:26, 17 June 2019

Buckwheat
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Fagopyrum
Species:
F. esculentum
Binomial name
Fagopyrum esculentum
Synonyms[1]
  • Polygonum fagopyrum L. 1753
  • Fagopyrum cereale Raf.
  • Fagopyrum dryandrii Fenzl
  • Fagopyrum emarginatum (Roth) Meisn. 1840
  • Fagopyrum emarginatum Moench 1802
  • Fagopyrum fagopyrum (L.) H.Karst., invalid tautonym
  • Fagopyrum polygonum Macloskie
  • Fagopyrum sagittatum Gilib.
  • Fagopyrum sarracenicum Dumort.
  • Fagopyrum vulgare Hill ex Druce 1913
  • Fagopyrum vulgare T.Nees 1853
  • Polygonum emarginatum Roth
Field of buckwheat in Bumthang (Bhutan)

Buckwheat (Fagopyrum esculentum), or common buckwheat,[2] is a plant cultivated for its grain-like seeds and as a cover crop. A related and more bitter species, Fagopyrum tataricum, is a domesticated food plant raised in Asia. Despite the name, buckwheat is not related to wheat, as it is not a grass. Instead, buckwheat is related to sorrel, knotweed, and rhubarb. Buckwheat is referred to as a pseudocereal because its seeds' culinary use is the same cereals, owing to their composition of complex carbohydrates.

The cultivation of buckwheat grain declined sharply in the 20th century with the adoption of nitrogen fertilizer that increased the productivity of other staples.

Etymology

The name "buckwheat" or "beech wheat" comes from its triangular seeds, which resemble the much larger seeds of the beech nut from the beech tree, and the fact that it is used like wheat. The word may be a translation of Middle Dutch boecweite: boec (Modern Dutch beuk), "beech" (see PIE *bhago-) and weite (Mod. Dut. weit), wheat, or may be a native formation on the same model as the Dutch word.[3]

History

Common buckwheat in flower

The wild ancestor of common buckwheat is F. esculentum ssp. ancestrale. F. homotropicum is interfertile with F. esculentum and the wild forms have a common distribution, in Yunnan, a southwestern province of China. The wild ancestor of tartary buckwheat is F. tataricum ssp. potanini.[4]

Common buckwheat was domesticated and first cultivated in inland Southeast Asia, possibly around 6000 BCE, and from there spread to Central Asia and Tibet, and then to the Middle East and Europe. Domestication most likely took place in the western Yunnan region of China.[5]

The oldest remains found in China so far date to circa 2600 BCE, while buckwheat pollen found in Japan dates from as early as 4000 BCE. It is the world's highest-elevation domesticate, being cultivated in Yunnan on the edge of the Tibetan Plateau or on the plateau itself. Buckwheat was one of the earliest crops introduced by Europeans to North America. Dispersal around the globe was complete by 2006, when a variety developed in Canada was widely planted in China. In India, buckwheat flour is known as kuttu ka atta and is culturally associated with the Navratri festival. On the day of this festival, food items made only from buckwheat are consumed.[6]

Seed and withered flower of buckwheat
Buckwheat grain

Cultivation

Buckwheat, a short-season crop, does well on low-fertility or acidic soils, but the soil must be well drained. Too much fertilizer, especially nitrogen, reduces yields. In hot climates it can be grown only by sowing late in the season, so that it blooms in cooler weather. The presence of pollinators greatly increases the yield. The nectar from buckwheat flower makes a dark-colored honey. Buckwheat is sometimes used as a green manure, as a plant for erosion control, or as wildlife cover and feed.

The plant has a branching root system with a primary taproot that reaches deeply into moist soil.[7] Buckwheat has triangular seeds and produces a flower that is usually white, although can also be pink or yellow.[8] Buckwheat branches freely, as opposed to tillering or producing suckers, causing a more complete adaption to its environment than other cereal crops.[7] The seed hull density is less than that of water, making the hull easy to remove.[8]

Buckwheat is raised for grain where a short season is available, either because it is used as a second crop in the season, or because the climate is limiting. Buckwheat can be a reliable cover crop in summer to fit a small slot of warm season. It establishes quickly, which suppresses summer weeds.[9] Buckwheat has a growing period of only 10–12 weeks[10] and it can be grown in high latitude or northern areas.[11] It grows 30 to 50 inches (75 to 125 cm) tall.[9]

Buckwheat
Nutritional value per 100 g (3.5 oz)
Energy1,435 kJ (343 kcal)
71.5 g
Dietary fiber10 g
3.4 g
Saturated0.741 g
Monounsaturated1.04 g
Polyunsaturated1.039 g
0.078 g
0.961 g
13.25 g
Vitamins and minerals
VitaminsQuantity
%DV
Thiamine (B1)
8%
0.101 mg
Riboflavin (B2)
33%
0.425 mg
Niacin (B3)
44%
7.02 mg
Pantothenic acid (B5)
25%
1.233 mg
Vitamin B6
12%
0.21 mg
Folate (B9)
8%
30 μg
Vitamin C
0%
0 mg
MineralsQuantity
%DV
Calcium
1%
18 mg
Iron
12%
2.2 mg
Magnesium
55%
231 mg
Manganese
57%
1.3 mg
Phosphorus
28%
347 mg
Potassium
15%
460 mg
Sodium
0%
1 mg
Zinc
22%
2.4 mg
Other constituentsQuantity
Copper1.1 mg
Selenium8.3 µg

Percentages estimated using US recommendations for adults,[12] except for potassium, which is estimated based on expert recommendation from the National Academies.[13]

Composition

Starch

Protein

Minerals

Polyphenols

Fagopyrin

Buckwheat contains 0.4 to 0.6 mg/g of fagopyrins (at least 6 similar substances)[24][25][26]

Aromatic compounds

Salicylaldehyde (2-hydroxybenzaldehyde) was identified as a characteristic component of buckwheat aroma.[27] 2,5-dimethyl-4-hydroxy-3(2H)-furanone, (E,E)-2,4-decadienal, phenylacetaldehyde, 2-methoxy-4-vinylphenol, (E)-2-nonenal, decanal and hexanal also contribute to its aroma. They all have odour activity value more than 50, but the aroma of these substances in an isolated state does not resemble buckwheat.[28]

Nutrition

In a 100-gram serving providing 343 calories dry and 92 calories cooked, buckwheat is a rich source (20% or more of the Daily Value, DV) of protein, dietary fiber, four B vitamins and several dietary minerals, with content especially high (47 to 65% DV) in niacin, magnesium, manganese and phosphorus (table). Buckwheat is 72% carbohydrates, including 10% dietary fiber, 3% fat and 13% protein (table).

Gluten free

As buckwheat contains no gluten, it may be eaten by people with gluten-related disorders, such as celiac disease, non-celiac gluten sensitivity or dermatitis herpetiformis.[29][30] Nevertheless, buckwheat may have gluten contamination.[29]

Negative reactions

Cases of severe allergic reactions to buckwheat and buckwheat-containing products have been reported.[31]

Buckwheat contains fluorescent phototoxic fagopyrins.[24] Seeds, flour, and teas are generally safe when consumed in normal amounts, but fagopyrism can appear in people with diets based on high consumption of buckwheat sprouts, and particularly flowers or fagopyrin-rich buckwheat extracts.[32] Symptoms of fagopyrism in humans may include skin inflammation in sunlight-exposed areas, cold sensitivity, and tingling or numbness in the hands.[33]

Culinary use

Buckwheat flour
Buckwheat products
Soba noodles made from buckwheat flour
Kuttu ke pakore, a snack made from buckwheat flour, India
Black buckwheat tea (黑苦荞茶) produced in Sichuan Province, China
Buckwheat bread (roti) with potato curry and sour curd, Sikkim, India

The fruit is an achene, similar to sunflower seed, with a single seed inside a hard outer hull. The starchy endosperm is white and makes up most or all of buckwheat flour. The seed coat is green or tan, which darkens buckwheat flour. The hull is dark brown or black, and some may be included in buckwheat flour as dark specks. The dark flour is known as blé noir (black wheat) in French, along with the name sarrasin (saracen).

Buckwheat noodles have been eaten by people from Tibet and northern China for centuries, as wheat cannot be grown in the mountain regions. A special press made of wood is used to press the dough into hot boiling water when making buckwheat noodles. Old presses found in Tibet and Shanxi share the same basic design features. The Japanese and Koreans may have learned the making of buckwheat noodles from them.

In India, on Hindu fasting days (Navaratri, Ekadashi, Janmashtami, Maha Shivaratri, etc.), fasting people in northern states of India eat foods made of buckwheat flour. Eating cereals such as wheat or rice is prohibited during such fasting days. However, since buckwheat is not a cereal, it is considered acceptable for consumption during Hindu fasting days. While strict Hindus do not even drink water during their fast (observing Nirjal Upwas), others just give up cereals and salt and take a meal prepared from non-cereal ingredients such as buckwheat (kuttu). The preparation of buckwheat flour varies across India. Well-known buckwheat flour recipes are kuttu ki puri (buckwheat pancakes) and kuttu pakoras (potato slices dipped in buckwheat flour and deep-fried in oil). In most of the northern and western states, buckwheat flour is called kuttu ka atta.

Buckwheat noodles play a major role in the cuisines of Japan (soba),[34] Korea (naengmyeon, makguksu and memil guksu), buckwheat fresh pasta (pasta di grano saraceno) in Apulia region of Southern Italy and the Valtellina region of Northern Italy (pizzoccheri). Soba noodles are the subject of deep cultural importance in Japan. In Korea, guksu (noodles) were widely made from buckwheat before it was replaced by wheat.[citation needed] The difficulty of making noodles from flour with no gluten has resulted in a traditional art developed around their manufacture by hand.

Buckwheat groats are commonly used in western Asia and eastern Europe. The porridge was common, and is often considered the definitive peasant dish. It is made from roasted groats that are cooked with broth to a texture similar to rice or bulgur. The dish was brought to America by Ukrainian, Russian, and Polish immigrants who called it kasha, and they mixed it with pasta or used it as a filling for cabbage rolls (stuffed cabbage), knishes, and blintzes; buckwheat prepared in this fashion is thus most commonly called kasha in America. Groats were the most widely used form of buckwheat worldwide during the 20th century, eaten primarily in Estonia, Russia, Ukraine, Belarus, and Poland, called grechka in Ukrainian or Russian. The groats can also be sprouted and then eaten raw or cooked.

Buckwheat pancakes, sometimes raised with yeast, are eaten in several countries. They are known as buckwheat blinis in Russia, galettes in France (savoury crêpes made with buckwheat flour, water, and eggs are associated with Lower Brittany, whilst savoury galettes made without eggs are from Upper Brittany), ployes in Acadia, and boûketes (which are named after the buckwheat plant) in the Wallonia region of Belgium. Similar pancakes were a common food in American pioneer days.[35] They are light and foamy. The buckwheat flour gives them an earthy, mildly mushroom-like taste. In Ukraine, yeast rolls called hrechanyky are made from buckwheat. Buckwheat flour is also used to make Nepali dishes such as dhedo and kachhyamba.

Farina made from groats are used for breakfast food, porridge, and thickening materials in soups, gravies, and dressings. In Korea, buckwheat starch is used to make a jelly called memilmuk. It is also used with wheat, pasta and bread products in Apulia Italy, maize (polenta taragna in northern Italy) and rice.

Buckwheat is a good honey plant, producing a dark, strong monofloral honey.

Beverages

Beer

In recent years, buckwheat has been used as a substitute for other grains in gluten-free beer. Although it is not an actual cereal (being a pseudocereal), buckwheat can be used in the same way as barley to produce a malt that can form the basis of a mash that will brew a beer without gliadin or hordein (together gluten) and therefore can be suitable for coeliacs or others sensitive to certain glycoproteins.[36]

Whisky

Shōchū

Buckwheat error: {{nihongo}}: Japanese or romaji text required (help) is a Japanese distilled beverage produced since the 16th Century. The taste is milder than barley shōchū.

Tea

Buckwheat tea, known as memil-cha (메밀차) in Korea and soba-cha (そば茶) in Japan, is a tea made from roasted buckwheat.[37]

Upholstery filling

Buckwheat hulls

Buckwheat hulls are used as filling for a variety of upholstered goods, including pillows and zafu. The hulls are durable and do not insulate or reflect heat as much as synthetic filling. They are sometimes marketed as an alternative natural filling to feathers for those with allergies. However, medical studies to measure the health effects of pillows manufactured with unprocessed and uncleaned hulls concluded that such buckwheat pillows do contain higher levels of a potential allergen that may trigger asthma in susceptible individuals than do new synthetic-filled pillows.[38][39]

Production

Buckwheat production – 2016
Country tonnes
 Russia
1,186,333
 China
404,259
 Ukraine
176,430
 France
122,206
 Poland
118,562
World
2,395,822
Source: FAOSTAT of the United Nations[40]

Historically, the Russian Empire was the world leader in buckwheat production.[41] Growing areas in the Russian Empire were estimated at 6.5 million acres (2,600,000 ha), followed by those of France at 0.9 million acres (360,000 ha).[42] In 1970, the Soviet Union grew an estimated 4.5 million acres (1,800,000 ha) of buckwheat. As of 2016, it remains a key cereal.[43][40]

In the northeastern United States, buckwheat was a common crop in the 18th and 19th centuries. Cultivation declined sharply in the 20th century due to the use of nitrogen fertilizer, to which maize and wheat respond strongly. Over 1,000,000 acres (400,000 ha) were harvested in the United States in 1918. By 1954, that had declined to 150,000 acres (61,000 ha), and by 1964, the last year annual production statistics were gathered by USDA, only 50,000 acres (20,000 ha) were grown. However, it may benefit from an "explosion in popularity of so-called ancient grains" reported in the years 2009-2014.[44] In 2016, world production was 2.4 million tonnes, led by Russia with 50% of the world total, followed by China with 17% and Ukraine with 7%.[40]

Biological control

Buckwheat is currently being studied and used as a pollen and nectar source to increase natural predator numbers to control crop pests in New Zealand.[45]

See also

References

  1. ^ "The Plant List: A Working List of All Plant Species". Retrieved 3 October 2014.
  2. ^ "USDA GRIN Taxonomy". Retrieved 16 December 2014.
  3. ^ "Online Etymology Dictionary". Etymonline.com. Retrieved 2013-11-24.
  4. ^ Ohnishi, O.; Matsuoka, Y. (1996). "Search for the wild ancestor of buckwheat II. Taxonomy of Fagopyrum (Polygonaceae) species based on morphology, isozymes and cpDNA variability". Genes and Genetic Systems. 71 (6): 383–390. doi:10.1266/ggs.71.383.
  5. ^ Ohnishi, O (1998). "Search for the wild ancestor of buckwheat III. The wild ancestor of cultivated common buckwheat, and of tatary buckwheat". Economic Botany. 52 (2): 123–133. doi:10.1007/BF02861199.
  6. ^ Bhaduri, Niti Pathak; Prajneshu, Meenakshi (2016). "Kuttu (Buckwheat): A Promising Staple Food Grain for Our Diet". Journal of Innovation for Inclusive Development. 1: 43–45.
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  10. ^ Agriculture Canada. (1978). Growing buckwheat. Ottawa Canada: Canadian Department of Agriculture.
  11. ^ Quisenberry, K. S., & Taylor, J. W. (1939). Growing buckwheat. Farmers' bulletin (No.1835 ed., pp. 1-17) U.S. Department of Agriculture.
  12. ^ United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.
  13. ^ National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). "Chapter 4: Potassium: Dietary Reference Intakes for Adequacy". In Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). pp. 120–121. doi:10.17226/25353. ISBN 978-0-309-48834-1. PMID 30844154. Retrieved 2024-12-05.
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  18. ^ "Buckwheat Profile - Agricultural Marketing Resource Center". Agmrc.org. Archived from the original on 2013-11-14. Retrieved 2013-11-24. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
  19. ^ Bonafaccia G, Marocchini M, Kreft I (2003). "Composition and technological properties of the flour and bran from common and tartary buckwheat". Food Chemistry. 80 (1): 9–15. doi:10.1016/S0308-8146(02)00228-5.
  20. ^ S. Ikeda; Y. Yamashita; I. Kreft (2000). "Essential mineral composition of buckwheat flour fractions". Fagopyrum. 17: 57–61. {{cite journal}}: Unknown parameter |lastauthoramp= ignored (|name-list-style= suggested) (help)
  21. ^ Bonafaccia, G.; L. Gambelli; N. Fabjan; I. Kreft (October 2003). "Trace elements in flour and bran from common and tartary buckwheat". Food Chemistry. 83 (1): 1–5. doi:10.1016/S0308-8146(03)00228-0. {{cite journal}}: Unknown parameter |last-author-amp= ignored (|name-list-style= suggested) (help)
  22. ^ Kreft S, Knapp M, Kreft I (November 1999). "Extraction of rutin from buckwheat (Fagopyrum esculentum Moench) seeds and determination by capillary electrophoresis". Journal of Agricultural and Food Chemistry. 47 (11): 4649–52. doi:10.1021/jf990186p. PMID 10552865.
  23. ^ "Phenol-Explorer: Showing report on Cereals". Phenol-explorer.eu. Retrieved 2013-11-24.
  24. ^ a b Eguchi K, Anase T, Osuga H (2009). "Development of a High-Performance Liquid Chromatography Method to Determine the Fagopyrin Content of Tartary Buckwheat (Fagopyrum tartaricum Gaertn.) and Common Buckwheat (F. esculentum Moench)". Plant Production Science. 12 (4): 475–480. doi:10.1626/pps.12.475.
  25. ^ Ožbolt L, Kreft S, Kreft I, Germ M, Stibilj V (2008). "Distribution of selenium and phenolics in buckwheat plants grown from seeds soaked in Se solution and under different levels of UV-B radiation". Food Chemistry. 110 (3): 691–6. doi:10.1016/j.foodchem.2008.02.073.
  26. ^ Tavčar Benković E, Žigon D, Friedrich M, Plavec J, Kreft S (2014). "Isolation, analysis and structures of phototoxic fagopyrins from buckwheat". Food Chemistry. 143: 432–439. doi:10.1016/j.foodchem.2013.07.118. PMID 24054263.
  27. ^ Janes D, Kreft S (2008). "Salicylaldehyde is a characteristic aroma component of buckwheat groats". Food Chemistry. 109 (2): 293–8. doi:10.1016/j.foodchem.2007.12.032. PMID 26003350.
  28. ^ Janes D, Kantar D, Kreft S, Prosen H (1 January 2009). "Identification of buckwheat (Fagopyrum esculentum Moench) aroma compounds with GC-MS". Food Chemistry. 112 (1): 120–4. doi:10.1016/j.foodchem.2008.05.048.
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