February 10, 2018

Download e-book for kindle: Applications of NMR Spectroscopy. Volume 2 by Atta-ur-Rahman, M. Iqbal Choudhary

By Atta-ur-Rahman, M. Iqbal Choudhary

ISBN-10: 1608059650

ISBN-13: 9781608059652

ISBN-10: 1608059995

ISBN-13: 9781608059997

Applications of NMR Spectroscopy, quantity 2, originally released via Bentham and now dispensed through Elsevier, offers the newest advancements within the box of NMR spectroscopy, together with the research of plant polyphenols, the position of NMR spectroscopy in neuroradiology, NMR–based sensors, experiences on protein and nucleic acid constitution and serve as, and mathematical formations for NMR spectroscopy in structural biology.

The absolutely illustrated chapters comprise complete references to the new literature. The purposes awarded disguise quite a lot of the sector, equivalent to drug improvement, clinical imaging and diagnostics, foodstuff technology, mining, petrochemical, technique regulate, fabrics technology, and chemical engineering, making this source a multi-disciplinary reference with wide applications.

The content material is perfect for readers who're looking stories and updates, because it consolidates clinical articles of a various nature right into a unmarried quantity. Sections are prepared in response to disciplines, akin to foodstuff technology and clinical diagnostics. each one bankruptcy is written by way of eminent specialists within the field.

  • Consolidates the newest advancements in NMR spectroscopy right into a unmarried volume
  • Authored and edited by means of world-leading specialists in spectroscopy
  • Features accomplished references to the latest comparable literature
  • More than sixty five illustrations reduction within the retention of key concepts

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Extra info for Applications of NMR Spectroscopy. Volume 2

Sample text

The glycosides of wogonin are known as wogonosides. For example, oroxindin is a wogonin glucuronide isolated from Oroxylum indicum [249]. It is one of the active ingredients of Sho-Saiko-To, a Japanese herbal supplement. Wogonin has been found to possess anxiolytic properties [248] as well as anti-tumor properties [250, 251]. 2. , [252] has resulted in the isolation of several compounds including 2,6dideoxyhexose-C-glycosyl flavones such as luteolin-8-C-β-digitoxopyranosyl-4′O-β-D-glucopyranoside (148), apigenin-8- C-β-digitoxopyranoside (149), apigenin-8-C-β-boivinopyranoside (150), luteolin-8-C-β-boivinopyranoside (151) and luteolin-8-C-β-digitoxopyranoside (152).

It has weak estrogenic activity [272]. Ziaullah and Rupasinghe 52 Applications of NMR Spectroscopy, Vol. 2 The kudzu root (Pueraria lobata) has been in use as an ingredient in Japanese foods. Besides, the root is used as oriental crude drug for several medicinal purposes such as to reduce fever, relieve headache as well as to decrease LDL cholesterol in coronary patients [273-275]. , [275] have reported the isolation and structure elucidation of six isoflavones (159-164; Fig. 22) including four isoflavone C-glycosides, namely 6′′-O--D-glucopyrano-sylpuerarin (159), puerarin (160), 3'-methoxypuerarin (161), 6′′-O--D-apiofranosylpuerarin (162), from the root of kudzu (Pueraria lobata) and evaluated for their estrogenic activities.

Some examples of aryltetralin lignans exhibiting antitumor activity are given in Fig. 26. Podophyllotoxin (173) and colchicine (180) have been reported to have antimitotic properties [293, 300]. Lignans like benzylbutyrolactones (-)-arctigenin (181) and (-)-trachelogenin (182) have been found to inhibit replication of the human immunodeficiency virus (HIV-I) [301]. An interesting lignan called as Pinoresinol (183) has been found in Styrax sp and in Forsythia suspense [302]. It is also found in the caterpillar of the cabbage butterfly, Pieris rapae where it serves as a defense against ants [302].

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Applications of NMR Spectroscopy. Volume 2 by Atta-ur-Rahman, M. Iqbal Choudhary


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