Results 21 to 30 of about 1,547 (180)
Antibacterial activity of Rubia tinctorum extracts. [PDF]
Rubia tinctorum a root belonging to family Rubiaceae was evaluated for the antibacterial activity against a number of bacteria. We determine antibacterial activity of Alizarin, Purpurin, methanol and chloroform extracts of Rubia tinctorum roots against ...
Aya El Tanahy
doaj +1 more source
Zur Kenntniss des Purpurins. Verwandlung des Purpurins in Chinizarin [PDF]
n ...
Schunck, E., Roemer, H.
openaire +2 more sources
Anthraquinone Production from Cell and Organ Cultures of Rubia Species: An Overview
The Rubia genus includes major groups of medicinal plants such as Rubia cordifolia, Rubia tinctorum, and Rubia akane. They contain anthraquinones (AQs), particularly alizarin and purpurin, which have pharmacological effects that are anti-inflammatory ...
Hosakatte Niranjana Murthy +3 more
doaj +1 more source
This article describes two of the most common natural sources of red anthraquinones that have been used since antiquity for textile dyeing and as lake pigments, namely cochineal insect and the roots of Rubia and Relbunium plants.
Careaga Valeria P. +3 more
doaj +1 more source
Ueber Alizarin und Purpurin [PDF]
n ...
Graebe, C., Liebermann, C.
openaire +1 more source
Purpurin Esters Containing a Saturated Cyclic Fragment with Antimicrobial Activity
The present study is a continuation of the scientific research works for the synthesis of anthraquinonе-containing derivatives with cyclic ring systems by the interaction of 1,2,4-trihydroxyanthraquinone (purpurin) with cyclic carboxylic acid chlorides ...
Т. V. Kharlamova +2 more
doaj +1 more source
Effects of Salt Stress and Inoculation Ratios in Cell Cultures of Rubia tinctorum L.
In this study, salt stress was implemented to callus and cell suspension cultures of Rubia tinctorum L. at 100 mM and 200 mM concentrations and the effects on fresh and dry weights (g), relative dry weight ratios, and alizarin and purpurin contents (mg/g
Pınar Nartop, Şeref Akay, Aynur Gürel
doaj +1 more source
Anthraquinone (9,10-anthraquinone) and several hydroxy derivatives, including purpurin (1,2,4-trihydroxyanthraquinone), anthrarufin (1,5-dihydroxyanthraquinone), and chrysazin (1,8-dihydroxyanthraquinone), were evaluated for antioxidative and anti ...
Woo Nam +3 more
doaj +1 more source
Promoting photocatalytic CO2 reduction with a molecular copper purpurin chromophore
Designing highly efficient chromophores comprising earth-abundant elements is essential for both light harvesting and electron transfer reactions.
Huiqing Yuan +4 more
doaj +1 more source

