نتایج جستجو برای: oil derivatives

تعداد نتایج: 242551  

Journal: :International journal of Leprosy 1955
L KATO B GOZSY

In the preceding paper of this series (4) it was reported that application of chaulmoogra oil and certain of its derivatives to the skin surface induced phagocytic activity of endothelial cells of the small skin vessels. The same phenomenon could be induced by histamine, as had previously been observed by Jancso (5) and confirmed by Biozzi et al. (1) and by ourselves (2). We attached a certain ...

Journal: :Annual review of microbiology 1972
S Riva L G Silvestri

INTRODUCTION ...... . CHEMISTRy ...... . 199 200 RELATIONSHIPS BETWEEN CHEMICAL STRUCTURE AND ANTIBACTERIAL ACTIVITY.. 202 MECHANISM OF ANTIBACTERIAL ACTION. . . . . . . . 205 Activity 0/1 whole cells. . . . . . . . . .. . . . . . . . . . . 205 Activity Oil DNA-depelldellf RNA polymerase. 205 MUTATION TO RIFAMPICIN RESISTANCE. . . . . . 206 EFFECTS ON PHAGES AND PLASMlDS. . . . . . 208 STUDIES ...

2006
SALEM A. BASAIF Salem A. Basaif

The essential oil of Salvia aegyptiaca was analysed by GC/ MS technique. Eighteen compounds were identified. It was found that the essential oil comprises 40% terpenoidal constituents, opposite to 32% fat derivatives. The major terpenoidal component was 1(10)aristolene (19.3%). From the non-volatile matter, β-amyrin, lupeol, β-sitosterol, stigmasterol, β-sitosterol-β-D-glucopyranoside and stigm...

Journal: :Molecules 2013
Vytautas Mickevičius Aušra Voskienė Ilona Jonuškienė Ramūnė Kolosej Jūratė Šiugždaitė Petras Rimantas Venskutonis Rita Kazernavičiūtė Zita Brazienė Elena Jakienė

New N,N-disubstituted β-amino acids and their derivatives with thiazole, aromatic, and heterocyclic substituents were synthesized from N-phenyl-N-thiocarbamoyl-β-alanine by the Hantzsch method; derivatives with hydrazone fragments were also obtained. Some of the synthesized compounds exhibited discrete antimicrobial activity, and 3-[(4-oxo-4,5-dihydro-1,3-thiazol-2-yl)(phenyl)amino]propanoic ac...

1997
Yaser Yacoob Larry S. Davis

A model for computing image ow in image sequences containing a very wide range of instantaneous ows is proposed. This model integrates the spatio-temporal image derivatives from multiple temporal scales to provide both reliable and accurate instantaneous ow estimates. The integration employs robust regression and automatic scale weighting in a generalized brightness constancy framework. In addi...

2012
Ardalan Pasdaran Abbas Delazar Hossein Nazemiyeh Lutfun Nahar Satyajit D. Sarker

Chemical composition of the essential oil obtained from the aerial parts of Scrophularia amplexicaulis Benth. was analyzed, for the first time, by the gas chromatography/mass spectrometry (GC-MS) and gas chromatography/flame ionization detection (GC-FID). A total yield of 3 mg of essential oil per100 g of plant dry mass was obtained, and 27 compounds were identified, representing 97.7% of total...

2006
ELIZABETHC. MILLER JAMESA. MILLER

Adult rats subjected to a number of treatments which cause liver damage and/or growth (administration of hepatotoxic agents, partial hepatectomy, or protein deple tion-repletion) and young growing rats excreted in the urine a greater percentage of a test dose of 2-acetylaminofluorene (AAF) as the carcinogenic Af-hydroxy metabolite than did normal adult rats. Alterations in the urinary excretion...

Journal: :Cancer research 1964
A MARGRETH P D LOTLIKAR E C MILLER J A MILLER

Adult rats subjected to a number of treatments which cause liver damage and/or growth (administration of hepatotoxic agents, partial hepatectomy, or protein deple tion-repletion) and young growing rats excreted in the urine a greater percentage of a test dose of 2-acetylaminofluorene (AAF) as the carcinogenic Af-hydroxy metabolite than did normal adult rats. Alterations in the urinary excretion...

Journal: :Molecules 2017
Haihuan Su Wenda Wang Longzhu Bao Shuangshuang Wang Xiufang Cao

Essential oils (EOs) are plant-derived aroma compounds with a wide range of biological activity, but their actions are slow, and they are typically unstable to light or heat, difficult to extract and so on. To find highly potential fungicides derived from natural EOs, a series of essential oil-based β-methoxyacrylate derivatives have been designed and synthesized. The target compounds have been...

2013
Bertrand Matthäus

Rapeseed contains high amounts of phenolic compounds, mainly derivatives of sinapic acid, but only a small part can be found in virgin rapeseed oil, since the polar compounds remain in the press cake. A temperature treatment of the raw material results in the degradation of sinapic acid to 2,6dimethoxy-4-vinylphenol (vinylsyringol or canolol), which is described in literature as a very strong a...

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