نتایج جستجو برای: catha edulis

تعداد نتایج: 3465  

2005
A.M.A. Al-Hakimi

Residues of khat (Catha edulis Forskal) leaves in the soil showed an inhibitory effect on the dry mass, pectin and cellulose of wheat shoots and roots and cell wall-associated proteins of roots. The dry mass of shoots and roots significantly reduced and the reduction in roots was greater than in shoots. On the other hand, the contents of hemicellulose and lignin in both shoots and roots and cel...

2015
Ryan A. Groves Jillian M. Hagel Ye Zhang Korey Kilpatrick Asaf Levy Frédéric Marsolais Efraim Lewinsohn Christoph W. Sensen Peter J. Facchini

Amphetamine analogues are produced by plants in the genus Ephedra and by khat (Catha edulis), and include the widely used decongestants and appetite suppressants (1S,2S)-pseudoephedrine and (1R,2S)-ephedrine. The production of these metabolites, which derive from L-phenylalanine, involves a multi-step pathway partially mapped out at the biochemical level using knowledge of benzoic acid metaboli...

Journal: :The international journal of occupational and environmental medicine 2015
S El-Zaemey J Schüz M E Leon

BACKGROUND Qat (also known as Khat, Kat and Miraa) is a green-leaved plant (Catha edulis). It is a shrub indigenous to Yemen and certain parts of eastern Africa. Chewing the leaves, which have sympathomimetic and euphoric effects, has been documented in many countries and increased with worldwide migration. The effect of long-term chewing Qat on the oral cavity is unknown. OBJECTIVE A systema...

2012
Travis D Olives Benjamin S Orozco Samuel J Stellpflug

INTRODUCTION Mephedrone and MDPV are both b-ketophenethylamine derivatives of cathinone, a compound isolated from the East African plant Catha edulis (khat, qat). Mephedrone is commonly referred to as plant food, MCAT, 4-MMC, meow meow, meph, and drone; MDPV is commonly called MTV, MDPK, Magic, and Super Coke. Both are structurally similar to amphetamines, with mephedrone sharing close similari...

2017
Maria E Leon Mathewos Assefa Endale Kassa Abate Bane Tufa Gemechu Yared Tilahun Nigatu Endalafer Gilles Ferro Kurt Straif Elizabeth Ward Abraham Aseffa Joachim Schüz Ahmedin Jemal

BACKGROUND Qat (Catha edulis) chewing is reported to induce lesions in the buccal mucosa, irritation of the esophagus, and esophageal reflux. Case series suggest a possible etiological role in oral and esophageal cancers. This pilot study aimed to generate preliminary estimates of the magnitude and direction of the association between qat use and esophageal cancer (EC) risk and to inform the lo...

2017
Butchibabu Kalakonda Sadeq-Ali Al-Maweri Hashem-Motahir Al-Shamiri Anum Ijaz Shukri Gamal Esam Dhaifullah

Background Khat (Catha edulis) chewing is a highly prevalent habit in the Arabian Peninsula and East Africa, and has recently spread to Western countries. The association between khat chewing and oral mucosal lesions is well documented in the literature. However, there is no concrete evidence on the association between khat chewing and periodontal disease. The purpose of this systematic review ...

2017
Teshale Ayele Mega Nikodimos Eshetu Dabe

Background About 20 million people worldwide are believed to be using khat. Although some studies reported that khat chewing might result in cardiovascular disorders, conclusive evidence is limited. Method The objective of this review was to synthesize the best available evidence for the effect of khat on the cardiovascular system. Databases searched were PubMed, Cochrane database of systemat...

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