نتایج جستجو برای: henna based benzochromenes

تعداد نتایج: 2935022  

2003
A. Ashnagar A. Shiri

Regarding the therapeutic effects and traditional applications of henna, it was tried to isolate and purify Lawsone from the leaves of henna marketed in Ahwaz city of Iran by various methods of maceration and Soxhlet extraction techniques in different polar and non-polar solvents. Maceration of the powdered leaves in hot water with stirring for around 6 hours was carried out followed by additio...

Journal: :Contact dermatitis 2012
Pailin Puangpet Jonathan M L White Ian R White John P McFadden

A 20-year-old female dental assistant experienced an acute dermatitis at the site of a temporary ‘henna’ tattoo that had been applied 3 days earlier. It transpired that ‘henna’ tattoos had been applied on previous occasions. After the above episode, she subsequently developed eczematous reactions on the face, neck and upper back within a few days of dyeing her hair with dark brown or black colo...

Journal: :IARC monographs on the evaluation of carcinogenic risks to humans 1993

Throughout history and across cultures, women as well as men have felt the need to change the natural colour of their skin, lips and hair, or to restore the colour of greying hair. For thousands of years, cosmetic dyes have been a part of all human cultures. The use of hair dyes can be traced back at least 4000 years; evidence from royal Egyptian tombs suggests the use of henna for dyeing of ha...

Journal: :Actas Dermo-Sifiliográficas (English Edition) 2007

Journal: :Archives of Disease in Childhood 2007

Journal: :International Journal of Sustainable Construction Engineering and Technology 2022

This research provides an investigation to measure the rate of corrosion steel bars coated with organic inhibitor Lawsonia inermis (Henna) and inorganic Sodium Nitrite (NaNO2) embedded in concrete. Presence on reinforcement reduces bond strength between concrete over a while excessive bar can lead loss ductility, extreme cases collapse. Structures like marine structures, sewage pipes, which are...

Journal: :Iraq medical journal 2021

Objectives: This study aimed to examine the effect of ethanolic extract local Basra henna leaves on Gram-positive bacteria species. Also, assess antibacterial properties crude in vitro and compare them with antibiotics. Methods: In this study, Lawsonia inermis (henna) were extracted ethanol using solvent extraction technique. The pathogens isolated from wound samples obtained hospitalized patie...

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