Interaction of Natural Dye (<i>Allium cepa</i>) with Ionic Surfactants

Chandravanshi, Shalini; Upadhyay, Santosh Kumar

doi:10.1155/2013/685679

Cited by 11 publications

(10 citation statements)

References 12 publications

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“…Onion outer skins are the most commonly discarded household and commercial food waste which can be used as dyes for coloring natural textile materials. These dyes, which are known as pelargonidin (3,5,7,4-tetrahydroxyanthocyanidin) [7] (see Figure 1), work like acid dyes that can dye the protein fibers at high efficiency [8]. The amount of pelargonidin was found to be 2.25% in certain solvent extraction process using soxhlet apparatus [7].…”

Section: Introductionmentioning

confidence: 99%

“…These dyes, which are known as pelargonidin (3,5,7,4-tetrahydroxyanthocyanidin) [7] (see Figure 1), work like acid dyes that can dye the protein fibers at high efficiency [8]. The amount of pelargonidin was found to be 2.25% in certain solvent extraction process using soxhlet apparatus [7]. Due to presence of four hydroxy groups (Auxochrome groups) pelargonidin exhibits good dyeing properties for dyeing of natural fibers [7,9].…”

Section: Introductionmentioning

confidence: 99%

“…The amount of pelargonidin was found to be 2.25% in certain solvent extraction process using soxhlet apparatus [7]. Due to presence of four hydroxy groups (Auxochrome groups) pelargonidin exhibits good dyeing properties for dyeing of natural fibers [7,9]. However, with the increased interest in natural plant dyes a greater importance was given to using mordant.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Different Mordants on Silk Fabric Dyed with Onion Outer Skin Extracts

Uddin

2014

Journal of Textiles

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At present, a higher demand is put towards the use of natural dyes due to increased awareness of the environmental and health hazards associated with the synthesis and use of synthetic dyes. This research was conducted using onion outer skins as a potential source of natural plant dyes. In this study, extraction of dye was carried out in aqueous boiling method. Premordanting technique was followed using different mordants, namely alum, ferrous sulphate, tin, tannic acid, tartaric acid, and their combinations on silk fabric. Fabric samples dyed without using any mordant were then compared with the dyed samples pretreated with the mordants. The range of colors developed on dyed materials was evaluated by measuring the color values with respect toK/Svalues and color coordinates. It was concluded that the color values were found to be influenced by the addition of mordants, and thus different fashion hues were obtained from the same amount of dye extract using different mordants. Ferrous sulphate was found as the most influential mordant.ΔEcmcvalues between unmordanted (Reference dyed) and metallic mordanted fabric samples were found higher than those between unmordanted and nonmetallic mordanted fabric samples. The dyed samples were evaluated for color fastness to washing, light, drycleaning, rubbing, and perspiration. The color fastness properties were found to be satisfactory and improved in many cases. From the fastness results, it was obvious that these dyes can also be applied on silk fabric without using any mordant if required.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Different Mordants on Silk Fabric Dyed with Onion Outer Skin Extracts

Uddin

2014

Journal of Textiles

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“…Some studies have reported that total phenolic content does not adsorb on textile fibers and thus is not useful in textile dyes [76,77]. On the other hand, pelargonidin (3,5,7,4-tetrahydroxyanthocyanidin) dyes from outer onion skins work like acid dyes that can dye protein fibers with high efficiency and exhibit good properties for the dyeing of natural fibers [78][79][80]. The coloring in sumac is derived from hydrolysable tannins, which under acid hydrolysis conditions yield gallic acid and glucose [81].…”

Section: Effects Of Enzymementioning

confidence: 99%

Assessment of the Use of Natural Extracted Dyes and Pancreatin Enzyme for Dyeing of Four Natural Textiles: HPLC Analysis of Phytochemicals

et al. 2020

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In the present study, four natural textiles (cotton, linen, wool, and silk) were dyed with 14 naturally extracted dyes, and pancreatin enzyme was used in the dyeing process. The effects of pancreatin enzyme and its buffer on naturally dyed textile samples were evaluated. Two concentrations of pancreatin enzyme and buffer were used as pretreatments for dyed textiles. Proteinic fabrics showed the highest relative color strength (RCS) values of 137.23% and 132.2% when the pancreatin enzyme was applied on wool and silk dyed with pomegranate skin and bloodroot at concentrations A and B, respectively. Linen fiber dyed with catechu tree showed the highest total color difference (TCD) values with buffer (6.83) and pancreatin enzyme A (5.7) and B (6.3). This shows that there were no side effects of the pancreatin enzyme on the studied dyed textiles. By high-performance liquid chromatography (HPLC) analysis, the root extract from madder showed the presence of salicylic acid (1758.91 mg/kg extract), quercetin (844.23 mg/kg extract), ellagic acid (784.86 mg/kg extract) and benzoic acid (582.68 mg/kg extract) as main compounds. In cochineal extract the main compounds were rutin (37.732 mg/kg extract), kampherol (1915.98 mg/kg extract), myricetin (809.97 mg/kg extract), quercetin (496.76 mg/kg extract) and salicylic acid (193.87 mg/kg extract).

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“…All natural dyes are eco-friendly and provide a wide range of beautiful shades with acceptable level of colour fastness [4,7,12,28]. Various reports have been favourable to the behaviour and applications of natural dyes on textiles [1,8,22,24,29].…”

Section: Dyeing Process With Natural Extractsmentioning

confidence: 99%

Experimental Researches Regarding the Ecological Dyeing with Natural Extracts

Budeanu

Curteza

Radu

2014

Autex Research Journal

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The concept of ‘environmental awareness’ has recently had a major impact on the textile industry and on the fashion world as well. In this context, the use of natural fibres and the development of natural dyeing processes gradually became important goals of the textile industry. Of all natural textile fibres, hemp is considered to be one of the strongest and most durable. A wide range of natural extracts have been used for natural textile coloration and dyeing. Dyes deriving from natural sources have emerged as an important alternative to synthetic dyes. Ecofriendly, nontoxic, sustainable and renewable natural dyes and pigments have been used for colouring the food substrate, leather, wood, natural fibres and fabrics from the dawn of human history. The purpose of the research is to obtain ecologically coloured fabrics for textiles by using a method of dyeing that relies on natural ingredients extracted from red beet, onion leaves and black tea. The experiments are conducted on three different types of hemp fabrics. This paper presents the results of the studies regarding the dyeing process of hemp fabrics with natural extracts, the colours of the dyed samples inspected with reflectance spectra and the CIE L*a*b* colour space measurements.

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Interaction of Natural Dye (Allium cepa) with Ionic Surfactants

Cited by 11 publications

References 12 publications

Effects of Different Mordants on Silk Fabric Dyed with Onion Outer Skin Extracts

Effects of Different Mordants on Silk Fabric Dyed with Onion Outer Skin Extracts

Assessment of the Use of Natural Extracted Dyes and Pancreatin Enzyme for Dyeing of Four Natural Textiles: HPLC Analysis of Phytochemicals

Experimental Researches Regarding the Ecological Dyeing with Natural Extracts

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