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Peganum Nigellastrum
''Peganum nigellastrum'' (Chinese: 骆驼蒿, luo tuo hao) is a plant species in the genus Peganum. "Peganum nigellastrum is distributed in China (west and west north of Pekin) and east Siberia (near Khyagt village). This species has also been recorded in the subprovinces of Mongolia and Tsinhai" Narantsetseg Amartuvshin, Shagdar Dariimaa, and Gonchig Tserenbaljid. 2006. Taxonomy of the Genus Peganum L. (Peganaceae Van Tieghem) in Mongolia. Mongolian Journal of Biological Sciences 2006 Vol. 4(2): 9-13. and is found in the Hami region, a prefecture-level city, of Xinjiang Uygur Autonomous Region, China. Wang Changhong, Liu Jun, Zheng Leiming. 2002. An Investigation on the Species, Distribution, and Ecotope of Peganum harmala in Xinjiang. Guangdong Trace Elements Science Guangdong Trace Elements Science(此处原为空白) 9(3):46-50. Biochemistry The plant contains phytochemicals: * Canthin-6-one alkaloids: ** Luotonin C ** Luotonin D *Phenylpropanoids: **Dihydrosinapyl ferula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alexander Von Bunge
Alexander Georg von Bunge (russian: Алекса́ндр Андре́евич Бу́нге; – ) was a Russian botanist. He is best remembered for scientific expeditions into Asia and especially Siberia. Early life and education Bunge was born under the name, Alexander Andreevič von Bunge on in Kyiv as second son of a family that belonged to the German minority in Tsarist Russia. HIs father, Andreas Theodor was a pharmacist who had emigrated from East Prussia to Russia with his grandfather in the 18th century and his mother, Elisabeth von Bunge, . They moved to Dorpat in 1815 after his father's death in 1814 and attended highschool from 1818 to 1821. He was educated at Dorpat and where he passed through the gymnasium during the period of 1821–1825. Then, he studied medicine and obtained his Doctorate of Medicine from University of Tartu on 1825. He also studied botany there under Carl Friedrich von Ledebour and completed his thesis entitled ''De relatione methodi pl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peganum
''Peganum'' L. is a genus under the recently separated family Nitrariaceae. Formerly it used to be included in the family Zygophyllaceae. Phylogeny and Species The genus has around five species, occurring in warm temperate to subtropical regions across the world: * ''Peganum harmala'' L. (Harmal or Syrian rue) — Mediterranean region east to China * ''Peganum mexicanum'' Gray — Mexico * ''Peganum multisectum'' (Maxim.) Bobrov — China, Mongolia * ''Peganum nigellastrum'' Bunge — China * ''Peganum texanum ''Peganum'' L. is a genus under the recently separated family Nitrariaceae. Formerly it used to be included in the family Zygophyllaceae. Phylogeny and Species The genus has around five species, occurring in warm temperate to subtropical reg ...'' M.E.Jones — southern North America Phylogenetic data suggests the following relationships: References Nitrariaceae {{Sapindales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hami
Hami (Kumul) is a prefecture-level city in Eastern Xinjiang, China. It is well known as the home of sweet Hami melons. In early 2016, the former Hami county-level city was merged with Hami Prefecture to form the Hami prefecture-level city with the county-level city becoming Yizhou District. Since the Han dynasty, Hami has been known for its production of agricultural products and raw resources. Origins and names Cumuḍa (sometimes ''Cimuda'' or ''Cunuda'') is the oldest known endonym of Hami, when it was founded by a people known in Han Chinese sources as the '' Xiao Yuezhi'' ("Lesser Yuezhi"), during the 1st millennium BCE. The oldest attested Chinese names is "" (; by the time of the Han dynasty it was referred to in Chinese as "" () or "" (), in the Tang dynasty as , . By the 10th century CE, the city and its residents were known to the Han as "" (). A monk named Gao Juhui, who had traveled to the Tarim Basin, wrote that the ''Zhongyun'' were descendants of the ''Xiao Yu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prefecture-level City
A prefecture-level city () or prefectural city is an administrative division of the People's Republic of China (PRC), ranking below a province and above a county in China's administrative structure. During the Republican era, many of China's prefectural cities were designated as counties as the country's second level division below a province. From 1949 to 1983, the official term was a province-administrated city (Chinese: 省辖市). Prefectural level cities form the second level of the administrative structure (alongside prefectures, leagues and autonomous prefectures). Administrative chiefs (mayors) of prefectural level cities generally have the same rank as a division chief () of a national ministry. Since the 1980s, most former prefectures have been renamed into prefectural level cities. A prefectural level city is a "city" () and "prefecture" () that have been merged into one consolidated and unified jurisdiction. As such it is simultaneously a city, which is a munici ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xinjiang
Xinjiang, SASM/GNC: ''Xinjang''; zh, c=, p=Xīnjiāng; formerly romanized as Sinkiang (, ), officially the Xinjiang Uygur Autonomous Region (XUAR), is an autonomous region of the People's Republic of China (PRC), located in the northwest of the country at the crossroads of Central Asia and East Asia. Being the largest province-level division of China by area and the 8th-largest country subdivision in the world, Xinjiang spans over and has about 25 million inhabitants. Xinjiang borders the countries of Mongolia, Russia, Kazakhstan, Kyrgyzstan, Tajikistan, Afghanistan, Pakistan and India. The rugged Karakoram, Kunlun and Tian Shan mountain ranges occupy much of Xinjiang's borders, as well as its western and southern regions. The Aksai Chin and Trans-Karakoram Tract regions, both administered by China, are claimed by India. Xinjiang also borders the Tibet Autonomous Region and the provinces of Gansu and Qinghai. The most well-known route of the historic Silk Ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or dyna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phytochemistry (journal)
''Phytochemistry'' is a peer-reviewed scientific journal covering pure and applied plant chemistry, plant biochemistry and molecular biology. It is published by Elsevier and is an official publication for the Phytochemical Society of Europe, the Phytochemical Society of North America, and the Phytochemical Society of Asia. A sister journal ''Phytochemistry Letters'' is published since 2008. Abstracting and indexing ''Phytochemistry'' is abstracted and indexed in: According to the ''Journal Citation Reports'', the journal has a 2020 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 4.072. References External links {{Official website, http://www.journals.elsevier.com/phytochemistry/ Biochemistry journals Botany journals Elsevier academic journals Eng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phenylpropanoid
The phenylpropanoids are a diverse family of organic compounds that are synthesized by plants from the amino acids phenylalanine and tyrosine. Their name is derived from the six-carbon, aromatic phenyl group and the three-carbon propene tail of coumaric acid, which is the central intermediate in phenylpropanoid biosynthesis. From 4-coumaroyl-CoA emanates the biosynthesis of myriad natural products including lignols (precursors to lignin and lignocellulose), flavonoids, isoflavonoids, coumarins, aurones, stilbenes, catechin, and phenylpropanoids. The coumaroyl component is produced from cinnamic acid. Phenylpropanoids are found throughout the plant kingdom, where they serve as essential components of a number of structural polymers, provide protection from ultraviolet light, defend against herbivores and pathogens, and also mediate plant-pollinator interactions as floral pigments and scent compounds. Hydroxycinnamic acids Phenylalanine is first converted to cinnamic aci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harmine
Harmine is a beta-carboline and a harmala alkaloid. It occurs in a number of different plants, most notably the Syrian rue and ''Banisteriopsis caapi''. Harmine reversibly inhibits monoamine oxidase A (MAO-A), an enzyme which breaks down monoamines, making it a Reversible inhibitor of monoamine oxidase A (RIMA). Harmine does not inhibit MAO-B. Harmine is also known as banisterin, banisterine, telopathin, telepathine, leucoharmine and yagin, yageine. Biosynthesis The coincident occurrence of β-carboline alkaloids and serotonin in ''Peganum harmala'' indicates the presence of two very similar, interrelated biosynthetic pathways, which makes it difficult to definitively identify whether free tryptamine or L-tryptophan is the precursor in the biosynthesis of harmine. However, it is postulated that L-tryptophan is the most likely precursor, with tryptamine existing as an intermediate in the pathway. The following figure shows the proposed biosynthetic scheme for harmine. The Shiki ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
