Results 21 to 30 of about 463 (171)

Quantitative and Qualitative Characters of Madder Root at Three Different Regions of Fars Province

open access: yesپژوهشهای زراعی ایران, 2011
Madder (Rubia tinctorum L.) from Rubiaceae family, is an important industrial (dying crop) and medicinal (anti-cancer and necrosis) crop. To investigate the cultivation method, the best harvest time and also to determine dye percent of madder root, a ...
M.H. Namjooyan   +2 more
doaj   +1 more source

Quantitative 1H NMR Spectroscopy Method for Determination of Anthraquinone Derivatives in Extracts from Rubia tinctorum L. Roots and Rhizomes

open access: yesScientia Pharmaceutica
The roots and rhizomes of Rubia tinctorum L. have been widely used both for industrial and medicinal purposes for centuries. The primary biologically active substances from Rubia tinctorum L.
Vasilii Vasil’ev   +10 more
doaj   +1 more source

Broadening Color Shade Range of Rubia tinctorum L. Natural Colorants on Wool Fibers via Combination of Metal Mordants: Color Characteristics and Fastness Studies

open access: yesJournal of Natural Fibers, 2023
This study aims to extend color shade range of Rubia tinctorum L. (Dyer’s madder) natural dye on wool textiles via binary combination of Al, Sn, Cr, Fe, Cu, Ni, Co, Zn mordants.
Siyamak Safapour   +2 more
doaj   +1 more source

Lignin–Chitosan Nanocarriers for the Delivery of Bioactive Natural Products against Wood-Decay Phytopathogens

open access: yesAgronomy, 2022
The use of nanocarriers (NCs), i.e., nanomaterials capable of encapsulating drugs and releasing them selectively, is an emerging field in agriculture. In this study, the synthesis, characterization, and in vitro and in vivo testing of biodegradable NCs ...
Eva Sánchez-Hernández   +7 more
doaj   +1 more source

Nineteenth‐Century Watercolour Reproductions of Old Masters in the Ruskin Teaching Collection, Ashmolean Museum, Oxford: Materials and Techniques of ‘Heaven‐Borne’ Copyist Charles Fairfax Murray

open access: yesArchaeometry, Volume 68, Issue 1, Page 64-83, February 2026.
ABSTRACT This study presents the first comprehensive analysis of the pigments and techniques used by Charles Fairfax Murray (1849–1919), a leading expert in Italian Renaissance attribution, influential art collector and primary copyist for John Ruskin.
Victoria Kemp   +3 more
wiley   +1 more source

Inhibitory Effects of Germinal Angiotensin Converting Enzyme by Medicinal Plants Used in Iranian Traditional Medicine as Antihypertensive [PDF]

open access: yesJournal of Kerman University of Medical Sciences, 2009
Background & Aim: Medicinal plants are used in traditional medicine for the treatment of different diseases such as hypertension. Since inhibition of angiotensin converting enzyme (ACE) is one of the involved mechanisms in control of hypertension, in ...
S.A Ziaei   +4 more
doaj  

Novel Manufacturing of Cellulose‐Based Membranes for Energy Storage Devices: Toward a PFAS Free Future

open access: yesAdvanced Sustainable Systems, Volume 9, Issue 12, December 2025.
This work presents a novel, scalable method for manufacturing PFAS‐free cellulose‐based membranes for energy storage devices. By coating kraft paper with cellulose nanofibrils and optimizing barrier and ionic conductivity properties, membranes are achieved that prevent redox molecule crossover while maintaining performance.
Ioannis Petsagkourakis   +5 more
wiley   +1 more source

Dosage of phenolic compounds and evaluation of anti-inflammatory activity in vivo of Rubia tinctorum extract

open access: yesInternational Journal of Secondary Metabolite
This study is part of the search for new biologically active molecules of plant origin. The aim of this study is the in vivo evaluation of the anti-inflammatory activity of the hydro-methanolic extract of the underground part (roots) of Rubia tinctorum ...
Rouam Djawed   +2 more
doaj   +1 more source

Determination of polyphenolic compounds in raw plant materials by NMR spectroscopy [PDF]

open access: yesE3S Web of Conferences
Environmental monitoring and assessment of the prospects for extracting biologically active substances (BAS) from various types of plant biomass requires the development of simple and fast methods for measuring their content in raw materials.
Sheremeta Anzhelika   +4 more
doaj   +1 more source

Madder (Rubia tinctorum L.) as an Economic Factor Under Sustainability Goals in the Textile Dyeing

open access: yesJournal of Natural Fibers, 2023
This study emphasizes that madder is an input compatible with sustainability goals in the textile sector. Madder is an input (dyestuff) that can be used instead of hazardous chemicals in textile dyeing.
Muge Burcu Ozdemir, Recep Karadag
doaj   +1 more source

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