Statistical Modeling for the Extraction of Dye from Natural Source and Industrial Applications

Nazir

Green Processing and Synthesis

et al. 2020

Self Cite

AbstractThis study focusses on the synthesis of carboxymethyl guar gum (CMG) via monochloroacetic acid under alkaline conditions. The reaction conditions were also optimized during the course of experiment. Guar derivative with variable degree of substitution (DS) were prepared and were confirmed by Fourier transform infrared (FTIR) spectroscopy. The DS was determined quantitatively by titration method for each derivative. The synthesized guar gum derivatives, being the natural thickners, have been used in textile printing technology. Substituted guar gum has been proved environmental friendly thickener as compared to synthetic thickeners. Penetration properties, fixation ability, colour fastness, levelness and fabric handling was compared with alginate thickener (commercially available). Guar gum thickeners showed enhanced properties versus alginate thickener and can be used as an alternative to synthetic thickeners in view of its green, non-hazardous and economical derivatives. Guar gum is the outstanding natural thickener, stabilizer, gelling agent and could possibly be used in various industrial units including food, cosmetic, textile, oil fracturing and mining.

Section: Resultsmentioning

confidence: 99%

Green synthesis and characterization of carboxymethyl guar gum: Application in textile printing technology

Nazir

Green Processing and Synthesis

et al. 2020

Self Cite

Global NEST: The International Journal

“…has given high color strength onto irradiated wool (RW). Higher irradiation level can cause possibility of other functional molecules to interact with solvent thereby dominating over the actual colorant to give lower results, whereas due to less tuned surface the unirradiated fabric (NRW) also may sorb less colorant to give lower results (Jabeen et al, 2019). Hence overall, for getting effective color yield, irradiated extract (RE, 2 min) should be used for dyeing of irradiated fabric (RW, 2 min) to get excellent results.…”

Section: Dye Extraction Processmentioning

confidence: 99%

Eco-friendly isolation of tannin based natural colorant from coconut coir (Cocos nucifera) for dyeing of bio-mordanted wool fabric

2020

<p>Due to hazardous effluent load of synthetic dyes, the global community is now seeking inclusion of natural products particularly green dyes and pigment in various fields. Current study has been concerned with utilization of eco-friendly tools for isolation of colorants from plant wastes such as coconut coir (Cocos nucifera) for coloration of natural fibers such as wool. Coconut based Tannin was isolated after exposure by microwave treatment for 1-6 min in various media following by optimization of dyeing variables. Excellent yield onto fabric were obtained when coconut coir extract of 1 pH containing 5g/100 mL Glauber salt, was used to dye at 65 oC for 65 min. To develop new shades among mordants used, bio-mordanted wool fabrics exhibited more excellent shades than chemical ones with excellent fastness ratings. It has been concluded that Microwave treatment has excellent potential to isolate natural dye from plant wastes, where the introduction of bio-mordants for shade depth and fastness characteristics has made process more sustainable and viable for natural fibers coloration.</p>

International Journal of Polymer Science

“…Henna "Lawsonia inermis Linn" is amongst the most cosmetically important dyes providing plants cultivated worldwide; henna leaves powder/extract were historically applied for decorating skin, fingernails, hair, leathers, and textiles [27,28]. As henna contains treasures of bioactive constituents (e.g., lawsone, naphthoquinone, coumarins, phenolics, flavonoids, alkaloids, tannins, quinones, terpenoids, and xanthones), these plant derivatives were experimented in numerous medicinal, pharmaceutical, and biomedical applications (including their hypoglycemic, immune stimulant, analgesic, hepatoprotective, anticancer, anti-inflammatory, antimicrobial, antidermatophytic, antiparasitic, antisickling, antitrypanosomal, antioxidant, allelopathic, and wound healing activities) [29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

Application of Fish Collagen-Nanochitosan-Henna Extract Composites for the Control of Skin Pathogens and Accelerating Wound Healing

Tayel

Ghanem

Al-Saggaf

et al. 2021

Skin is the largest protective organ that could be recurrently wounded and attacked by microorganisms. The wounded skin safeguarding and supporting were intended through natural derivatives. Fish collagen (Cg) type I, extracted from sea bream (Spondyliosoma cantharus), chitosan nanoparticles (NCht) from shrimp shells, and henna (Lawsonia inermis L.) leaves extract (He) were produced and physiochemically characterized. The antimicrobial potentialities of these compounds and their composites were assessed toward skin pathogens (Candida albicans and Staphylococcus aureus) using various assaying methods and microimaging techniques. The infrared and electrophoretic analysis of Cg validated its characteristics, and the IR-spectroscopic analysis of the compounds/composites indicated their physiochemical attributes and interrelations. The produced NCht particles had a diameter range of 64.6-308.8 nm, 104 nm mean diameter, and +31.3 mV zeta potentiality. Both NCht, He, and NCht/He composite exhibited significant antimicrobial potentiality toward skin pathogens; NCht/He was the strongest with inhibitory concentrations of 20.0 and 22.5 μg/mL and inhibition zones of 25.7 and 26.8 mm against S. aureus and C. albicans, respectively. The electron micrographs verified the synergistic microbicidal action of NCht/He, as they led to severe microbial lysis and deformations. The skin wounds’ treatment with NCht/He/Cg composite promoted the fastest and complete healing of wounded rats’ skin during 8 days of local treatment, with the absence of inflammation and infection signs; treated with NCht/He/Cg composite, the wound area vastly reduced from 63.6 mm2 to 15.9 and 9.1 mm2 after 2 and 4 days, respectively. The natural NCht/He/Cg composites are recommended as topical applications for optimum skin disinfection and regeneration.