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Euphorbias, Walker, Timothy



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Автор: Walker, Timothy
Название:  Euphorbias
ISBN: 9781845333768
Издательство: Mitchell & Beazley
Классификация:
ISBN-10: 1845333764
Обложка/Формат: Paperback
Страницы: 96
Вес: 0.22 кг.
Дата издания: 15.02.2008
Серия: Wisley handbooks
Иллюстрации: C.50 photos and up to 40 artworks as required
Размер: 216 x 138 x 9
Читательская аудитория: General (us: trade)
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Поставляется из: Англии



      Старое издание

Flora of Tropical Africa, Vol. 6: Section 1, Nyctagineж to Euphorbiaceж (Classic Reprint)

Автор: Thiselton-Dyer W. T.
Название: Flora of Tropical Africa, Vol. 6: Section 1, Nyctagineж to Euphorbiaceж (Classic Reprint)
ISBN: 0331679248 ISBN-13(EAN): 9780331679243
Издательство: Неизвестно
Цена: 7174 р.
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Описание: Excerpt from Flora of Tropical Africa, Vol. 6: Section 1, Nyctagine to Euphorbiace

This is the last section of the Flora of Tropical Africa which will be issued under my editorship. The control and supervision necessary in an undertaking of the kind cannot be properly exercised except at the headquarters of its preparation. Some degree of uniformity must at least be aimed at in the work of different contributors. Questions will consequently arise on which the editor must give a decision difficulties which are readily solved by personal discussion are not disposed of so easily by correspondence.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Euphorbiaceae-Alcalypheae-Plukenetiinae. Euphorbiaceae-Acalypheae-Epiprininae. Euphorbiaceae-Acalypheae-Ricininae, Part 68...

Автор: Pax Ferdinand, Hoffmann Kt He
Название: Euphorbiaceae-Alcalypheae-Plukenetiinae. Euphorbiaceae-Acalypheae-Epiprininae. Euphorbiaceae-Acalypheae-Ricininae, Part 68...
ISBN: 1288172931 ISBN-13(EAN): 9781288172931
Издательство: Неизвестно
Цена: 4653 р.
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Antioxidant Activity of Euphorbia Helioscopia and Grewia Optiva

Автор: Jeveria Rehman und Islam Ullah Khan
Название: Antioxidant Activity of Euphorbia Helioscopia and Grewia Optiva
ISBN: 3659439894 ISBN-13(EAN): 9783659439896
Издательство: LAP LAMBERT Academic Publishing
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Описание: In this study total antioxidant capacity (TAC) of Euphorbia helioscopia (EHL) and Grewia optiva (GOL) extracts was investigated. The antioxidant components were initially extracted in methanol and subjected to partitioning in solvents of different polarity. Antioxidant and radical scavenging activity of these extracts were investigated using antioxidant assays such as 2,2?-azinobis(3-ethylbenzothiazoline-6-sulpohonic acid) (ABTS) radical cation scavenging, the ferric reducing antioxidant power (FRAP), 2,2?-diphenyl-1-picrylhydrazil (DPPH) scavenging, total phenolic content (TPC),total flavonoid content (TFC) and total antioxidant activity determination using ferric thiocyanate method, Superoxide anion radical scavenging activity and Metal Chelating activity. Using ABTS•+ decolorization assay and FRAP assay, Euphorbia helioscopia and Grewia optiva extracts showed a wide range of antioxidant activity.

Antidiabteic & Antifungal Activity of Family Euphorbiaceae

Автор: Tahira Aziz Mughal, Kiran Zahid und Saba Khalid
Название: Antidiabteic & Antifungal Activity of Family Euphorbiaceae
ISBN: 365914276X ISBN-13(EAN): 9783659142765
Издательство: LAP LAMBERT Academic Publishing
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Описание: The present investigations were intended to evaluate the antidiabetic potential of three members (Euphorbia prostrata, Euphorbia hirta, Euphorbia helioscopia) of family Euphorbiaceae of Lahore region and antifungal potential of nine members of family Euphorbiaceae (Euphorbia prostrata, Euphorbia splendens, Euphorbia hirta, E. helioscopia, Ricinus communis, Jatropha integerrima, Putranjiva roxburghii Phyllanthus emblica and Croton tiglium). Antidiabetic investigations showed that the methanolic extract of E. prostrata and E. hirta showed excellent activity as compared to commercially available drug so in future they can be used for the treatment of diabetes while the third plant E.helioscopia enhanced the blood glucose level so it can be recommended to the patients of Hypoglycemia after frther toxicologically studies. Antifungal results showed that methanolic extracts of E.helioscopia (250 µg/ml) were very effective against Aspergilus niger while E. prostrata (250 µg/ml) showed maximum activity against Rhizopus oryza while Alternaria solani give exhibited no activity against any plant extract.

Growth and productivity of Euphorbia lathyris:   a biofuel plant

Автор: Jolly Garg und Ashwani Kumar
Название: Growth and productivity of Euphorbia lathyris: a biofuel plant
ISBN: 3848436922 ISBN-13(EAN): 9783848436927
Издательство: LAP LAMBERT Academic Publishing
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Описание: Fossil fuels cause green house gas emissions and world has agreed to reduce green house gas emissions. Renewable sources of energy obtained from biomass offer a great future of clean and green fuel. Plants as biofuel are very important and during last three decades authors have worked on various projects of Government of India on Bio-fuels. Hydrocarbons from plants were propounded, as a source of bio-fuel, by famous Nobel laureate Professor Melvin Calvin, who initiated the researches on Euphorbia lathyris in U.S.A. and encouraged Professor Ashwani Kumar to carry out work on this plant in semi-arid and arid regions of Rajasthan which are similar to Arizona in several respects. The hydrocarbons which contain around 30 per cent tri-terpenoids can be converted in to biodiesel. Our group has carried out investigations in this field for the last 30 years and the present book is pioneer work on improving growth, hydrocarbon yield and productivity of Euphorbia lathyris . It is strongly recommended to students, researchers , industries working in the area of biomass and bio-fuel for green house gas mitigation.

Development of Jute Fiber Reinforced Euphorbia Latex Hybrid Composites

Автор: AMIT KUMAR, Rajinder Kumar Diwan und Anita Mohan
Название: Development of Jute Fiber Reinforced Euphorbia Latex Hybrid Composites
ISBN: 3659165069 ISBN-13(EAN): 9783659165061
Издательство: LAP LAMBERT Academic Publishing
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Описание: In order to find viable alternative to petroleum based raw materials, Euphorbia coagulum modified unsaturated polyester and polystyrene waste respectively has been used as hybrid matrix for developing jute fiber reinforced composites. Jute composites have been flame retarded using non halogen based flame proof additives. Collection and coagulation techniques of Euphorbia latex and its characterization has been explored and jute composites have been studied in detail for their physical, thermo-mechanical properties, smoke density, LOI, biodegradation properties and moisture content. Euphorbia jute composites have also been compared with normal hardboard as per IS:1658 and observed as strong alternative for wood and glass reinforced composites in many applications such as automotive, building and construction with high renewable content. Utilization of latex collected from Euphorbia (cactus like) plant and use of polystyrne waste in making composites have also opened new scope to generate employment and economic growth for rural India besides providing a viable, renewable and sustainable alternative for the petroleum based resin in composite development.

Phytochemical Investigation on Some Euphorbiaceae and Lamiaceae Plants

Автор: Amir Reza Jassbi
Название: Phytochemical Investigation on Some Euphorbiaceae and Lamiaceae Plants
ISBN: 3844307508 ISBN-13(EAN): 9783844307504
Издательство: LAP LAMBERT Academic Publishing
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Описание: One of the main tasks of phytochemists is isolation and structural elucidation of natural products. In this work the readers will study the details of extraction and characterization of the chemical constituents of two plants of the genus Euphorbia from the family Euphorbiaceae, Euphorbia decipiens Boiss. & Buhse and Euphorbia teheranica Boiss., which are endemic to Iran, and the essential oil of Zataria multiflora Boiss., (Lamiaceae) from Pakistan. The author has used different spectroscopy methods, especially one- and two-dimensional NMR spectra to elucidate the structures of tri- and diterpenoids from the Euphorbia extracts and GC-MS and 13C-NMR for identification and quantification of the oil's constituents. The details of isolation and structural elucidation of myrsinol-type diterpenoids and triterpenoids, biogenesis of some poly- and macro-cyclic diterpenoids isolated from different Euphorbia plants, biological activities and medicinal uses of some species of Euphorbia and their constituents may be useful for the students of phytochemistry and pharmacognosy and those who are interested in the chemistry and biological activity of Euphorbia plants.

Antimicrobial Lectins from Euphorbiaceae

Автор: RABIA HAMID, AKBAR MASOOD und Shaista Rafiq
Название: Antimicrobial Lectins from Euphorbiaceae
ISBN: 3848410737 ISBN-13(EAN): 9783848410736
Издательство: LAP LAMBERT Academic Publishing
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Описание: There are many plants in Kashmir valley which have been shown to possess medicinal properties. Among them is Euphorbia helioscopia which is known for its medicinal values. At present drug resistance is a worldwide problem and much emphasis is being laid on the natural plant sources to act as antibiotics which can overcome this problem. Euphorbia helioscopia which is known for its medicinal values has febrifuge and vermifuge activities in its roots and stem respectively. The root is anti helminthic. The milky sap is applied externally to skin eruptions. The seeds, mixed with roasted pepper, have been used in the treatment of cholera and the oil from the seeds has purgative properties. However, isolation of any antibacterial protein has not been reported till date. The essence of the work was to check the antibacterial activity of the plant following its purification and characterization from leaves using conventional protein purification techniques. The lectin is a homodimer (Mr 65000Da), thermostable between 0°C- 40°C but exhibits a narrow range of pH stability being optimally active at pH 7. The lectin shows antimicrobial activity against P. aeruginosa, K.pneumoniae and E. coli.

Embryology & Development of Seed In Euphorbia milli.(E.splendens)BOJ.

Автор: Lalchand Dalal
Название: Embryology & Development of Seed In Euphorbia milli.(E.splendens)BOJ.
ISBN: 3659408972 ISBN-13(EAN): 9783659408977
Издательство: LAP LAMBERT Academic Publishing
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Описание: This work contains the detailed study of morphology, and embryology of plant Euphorbia splendens(L.) In which morphological characters were extensively studied. Extensive investigation of embryological aspect was also studied in detail. I hope this book will be the boon for those who may study this type of aspect and definitely helpful for their investigation for understanding the aspects of morphology and embryology.


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