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LACHGUER, khadija, Boudadi, Imane, fayzi, lahbib, El Merzougui, Soumaya, El bouchti, mehdi, Cherkaoui, omar, Serghini, Mohammed Amine. (1401). Natural extraction of dyes from saffron ‘Crocus sativus L’ flower waste, cotton dyeing, and antioxidant effectiveness. , (), -. doi: 10.22059/poll.2023.351631.1700
khadija LACHGUER; Imane Boudadi; lahbib fayzi; Soumaya El Merzougui; mehdi El bouchti; omar Cherkaoui; Mohammed Amine Serghini. "Natural extraction of dyes from saffron ‘Crocus sativus L’ flower waste, cotton dyeing, and antioxidant effectiveness". , , , 1401, -. doi: 10.22059/poll.2023.351631.1700
LACHGUER, khadija, Boudadi, Imane, fayzi, lahbib, El Merzougui, Soumaya, El bouchti, mehdi, Cherkaoui, omar, Serghini, Mohammed Amine. (1401). 'Natural extraction of dyes from saffron ‘Crocus sativus L’ flower waste, cotton dyeing, and antioxidant effectiveness', , (), pp. -. doi: 10.22059/poll.2023.351631.1700
LACHGUER, khadija, Boudadi, Imane, fayzi, lahbib, El Merzougui, Soumaya, El bouchti, mehdi, Cherkaoui, omar, Serghini, Mohammed Amine. Natural extraction of dyes from saffron ‘Crocus sativus L’ flower waste, cotton dyeing, and antioxidant effectiveness. , 1401; (): -. doi: 10.22059/poll.2023.351631.1700

Natural extraction of dyes from saffron ‘Crocus sativus L’ flower waste, cotton dyeing, and antioxidant effectiveness

Pollution
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 14 اسفند 1401
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22059/poll.2023.351631.1700
نویسندگان
khadija LACHGUER* 1؛ Imane Boudadi2؛ lahbib fayzi2؛ Soumaya El Merzougui2؛ mehdi El bouchti3؛ omar Cherkaoui4؛ Mohammed Amine Serghini2
1Laboratory of Biotechnologies and Valorization of Natural Resources, Department of Biology, Faculty of Sciences, Ibn Zohr University, 8106 Agadir, Morocco
2Laboratory of Biotechnologies and Valorization of Natural Resources, Department of Biology, Faculty of Sciences, Ibn Zohr University, 8106 Agadir, Morocco
3REMTEX laboratory, ESITH institute Casablanca Morocco
4REMTEX laboratory, ESITH institute, Casablanca Morocco
چکیده
The production of saffron, the spice obtained from the dried stigmas of Crocus sativus L. (Iridaceae family) flowers, generates, after pruning, considerable quantities of waste containing natural dyes. Saffron flower waste could be a source of extraction of natural dyes with antioxidant activity. In this study, we investigate the possibility of using saffron flower waste for dyeing cotton and evaluating the antioxidant effect of this dye by the DPPH free radical, reducing power and β-carotene bleaching assay. The dye has been evaluated for the composition of the color by the UV-visible spectrum and tested for the dyeing of cotton. The results indicate the presence of polyphenols and flavonoids. The dyeing conditions have been optimized at 6% dye concentration, dye bath pH of 3, dyeing temperature at 98 °C and dyeing time of 60 min. 2% dye concentration with 5 to 10% mordant concentration remains sufficient for dyeing with pre-mordanting. The exhaustion of the bath after dyeing has been improved by a rate of 20% in the case of addition of mordants which have produced a shade of green color. The dye contributes to the significant antioxidant activities with more DPPH scavenging capacity, FRAP reducing power, and β-carotene bleaching inhibition. Cotton fabrics dyed with bio-dyes obtained from saffron flower waste show good color fastness properties and could be a potential source of natural antioxidant agent. It presents an important eco-friendly alternative to synthetic dyes for large-scale application in textile and food industries.
کلیدواژه‌ها
Saffron waste؛ Natural dye؛ Cotton؛ Mordant؛ Antioxidant
آمار
تعداد مشاهده مقاله: 71


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