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Molecular Studies of Important Species of Astra...
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Molecular Studies of Important Species of Astragalus L. (Fabaceae) ab 59.9 € als Taschenbuch: Molecular systematics of Astragalus rhizanthus complex. Aus dem Bereich: Bücher, Wissenschaft, Biologie,

Anbieter: hugendubel
Stand: 04.08.2020
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Molecular Studies of Important Species of Astra...
59,90 € *
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Molecular Studies of Important Species of Astragalus L. (Fabaceae) ab 59.9 EURO Molecular systematics of Astragalus rhizanthus complex

Anbieter: ebook.de
Stand: 04.08.2020
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Even-Toed Ungulate
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The even-toed ungulates form the mammal order Artiodactyla, the group that contains the pigs, peccaries, hippopotamuses, camels, chevrotains (mouse deer), deer, giraffes, pronghorn, antelopes, sheep, goats, and cattle. They are ungulates whose weight is borne about equally by the third and fourth toes, rather than mostly or entirely by the third as in odd-toed ungulates (perissodactyls). Another key distinguishing feature is the shape of the astragalus, a bone in the ankle joint, which has a double-pulley structure. This gives the foot greater flexibility. DNA sequence data indicate that this group is paraphyletic because whales are excluded. The more phylogenetically accurate group is Cetartiodactyla. There are about 220 artiodactyl species, including many that are of great nutritional, economic and cultural importance to humans.

Anbieter: Dodax
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Flavonoids from Astragalus Genus
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Flavonoids consist of a large group of polyphenolic compounds having a benzo- -pyrone skeleton and are common constituent present in plants. Literature survey shows that secondary metabolites of phenolic nature including flavonoids are responsible for the variety of pharmacological activities like anti-oxidant, anti-microbial, anticancer, anti-diabetic, anti-HIV. Till date nearly about 131 flavonoids constituents including flavones, flavonols, flavanones, flavan-4-ols, isoflavones, isoflavans, petrocarpans have been isolated from 60 species of Astragalus genus. This led us to compile upto date isolated flavonoids isolated from Astragalus genus along with their recorded biological activities. This book will be very much helpful for the researcher working in the field of natural products chemistry. As this book quantifies the research on flavonoids of the genus Astragalus, it will also directs the future research on this important genus. Special thanks are due to LAMBERT ACADEMIC PUBLISHING for earnest interest in publishing the work.Constructive suggestions from academicians are always welcome for improving the quality of this book.

Anbieter: Dodax
Stand: 04.08.2020
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Lygephila craccae
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Scarce Blackneck (Lygephila craccae) is a moth of the Noctuidae family. It is found in temperate Europe, north Asia, the Altai mountains, Korea, Japan and China. There is one generation per year depending on the location. Adults are on wing in early summer.The larvae feed on Vicia, Coronilfa, Astragalus and Lathyrus species. A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order, there are thought to be 150,000 to 250,000 different species of moth (about ten times the number of species of butterfly), with thousands of species yet to be described.

Anbieter: Dodax
Stand: 04.08.2020
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Penstemon Penlandii
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Penstemon penlandii is a rare species of flowering plant in the plantain family known by the common names Penland penstemon and Penland's beardtongue. It is endemic to Colorado in the United States, where it is known only from a strip of land about five miles long in central Grand County.This plant was discovered in the 1980s during surveys for Osterhout's milkvetch (Astragalus osterhoutii), another rare local endemic. The two plants are found only in Middle Park, a valley with seleniferous badlands that host a unique flora.

Anbieter: Dodax
Stand: 04.08.2020
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Coleophora valesianella
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Coleophora valesianella is a moth of the Coleophoridae family. It is found in Europe south of the line running from France to Austria and Romania. It has also been recorded from Cyprus. The larvae feed on Astragalus aristatus, Astragalus monspessulanus and Hippocrepis species. They create a white pistol case, covered with a translucent, foam-like pallium of silken scales. The mouth angle is about 45°. Generally, the larva mines all leaflets of a leaf before moving to the next leaf. Larvae can be found from autumn to spring of the following year.

Anbieter: Dodax
Stand: 04.08.2020
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Cycloartane Triterpenoids
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The book has been divided into three major parts. Part one describes the general importance of plants as medicines and a special focus has been given to Astragalus species. Second part tells the structure elucidation of various cycloartane triterpenoids by using modern spectroscopic techniques such as 1D and 2D-NMR, COSY, ROESY, HMQC, HMBC, etc. Similarly the techniques such as high- and low-resolution mass spectrometry (EI-MS, FAB-MS, ESI-QTOF-MS), UV, and IR spectrophotometery have also been discussed for structure elucidation. This part also describes the methodology adopted for their isolation and purification. Third part incldues in vitro assays of isolated compounds against the promastigotes of Leishmania major for leishmanicidal potential, screening against 3T3 fibroblast cells for cyctotoxcicity and antiglycation activity.

Anbieter: Dodax
Stand: 04.08.2020
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Selenium Cycle
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The Selenium Cycle is a biological cycle of selenium similar to the cycles of carbon, nitrogen, and sulpur. Within the cycle, there are organisms which reduce the most oxidized form of the element and different organisms complete the cycle by oxidizing the reduced element to the initial state. In the selenium cycle it has been found that bacteria, fungi, and plants, especially species of Astragalus, metabolize the most oxidized forms of selenium, selenate or selenite, to selenide. It is also thought that microorganisms may be able to oxidize selenium of valence zero to selenium of valence +6.

Anbieter: Dodax
Stand: 04.08.2020
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