Dyeing of cotton yarn with five water soluble fungal pigments obtained from five fungi |
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| Authors: | Palanivel Velmurugan Myung-Jun Kim Jun-Sic Park Kannan Karthikeyan Perumalsamy Lakshmanaperumalsamy Kui-Jae Lee Yool-Jin Park Byung-Taek Oh |
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| Institution: | 1.Division of Biotechnology, College of Environmental and Bioresource Sciences,Chonbuk National University,Iksan,Korea;2.Agricultural Technology Center,Imsil, Jeonbuk,Korea;3.Department of Environmental Sciences,Bharathiar University,Coimbatore, Tamil Nadu,India;4.Karpagam University,Coimbatore, Tamil Nadu,India;5.Department of Environmental Landscape Architecture-Design,Chonbuk National University,Iksan,Korea |
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| Abstract: | The present study aimed to assess the potentiality of water soluble fungal pigments for dyeing on cotton yarn. Five different
shades of pigments were extracted from Monascus purpureus, Isaria farinosa, Emericella nidulans, Fusarium verticillioides, and Penicillium purpurogenum using ethanol. Maximum concentration of pigment was obtained from Monascus purpureus (red, 25.02±1.6 UA) followed by Penicillium purpurogenum (yellow, 23.05±0.3 UA). The optimum dyeing condition was observed at a pigment concentration of 1 gram, pH 5, temperature
80 °C, time duration 90 min, and a liquor ratio of 1:30 was found to be the optimal for dyeing. Maximum uptake of 80 % was
achieved with Monascus purpureus red pigment. Moreover, the effect of mordant in dyeing was evaluated by different mordanting methods. A strong variation
in shade and color depth could be achieved by using pre-mordanting method with alum and ferrous sulfate giving better wash
fastness properties when compared with post-mordanting or without a mordant. |
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