Extraction of flavonoid dyes from vine tea (Ampelopsis grossedentata) waste and application in bleached pulp dyeing

IF 2 4区工程技术 Q3 CHEMISTRY, APPLIED

Coloration Technology Pub Date : 2024-10-02 DOI:10.1111/cote.12793

Tingting Liu, Jian Xiao, Wenjie Wang, Qiulu Chu, Qiong Wang, Chenghang Liu, Shufang Wu

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引用次数: 0

Abstract

Natural dyes are receiving more attention due to wide and renewable resources and their functionalities. This study delved into the optimal conditions for extracting Ampelopsis grossedentata flavonoid dyes (AGFDs) from vine tea waste, resulting in a dye sample with a total flavonoid extraction percentage of 27.4 %. Ultraviolet (UV), Fourier-transform infrared (FTIR) and liquid chromatography–mass spectrometry (LC–MS) analysis revealed the presence of 18 flavonoids in AGFD. Additionally, various factors, including pH, light exposure, temperature, metal ions, and redox agents were found to impact the stability of AGFD. Moreover, the dyeing performance of AGFD for the bleached chemical pulp was investigated. Under optimal conditions, the AGFD-dyed pulp displayed a vibrant yellow hue and excellent colour fastness when using aluminum potassium sulphate dodecahydrate (KAl(SO₄)₂·12H₂O) as a mordant with a dyeing uptake level up to 88 %. FTIR and scanning electron microscopy (SEM) analysis demonstrated that AGFD chemically bound to the pulp fibre. Remarkably, the hand sheet made from the AGFD-dyed pulp exhibited thermal stability, physical strength properties and antibacterial activity against Escherichia coli and Staphylococcus aureus. Furthermore, the peroxide value of cheese packaged with the AGFD-dyed pulp hand sheet was only 43 % of that of the undyed one, indicating its good antioxidant properties. This study highlights the promising potential of AGFD in the production of functional coloured paper.

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藤茶废料中黄酮类染料的提取及其在漂白纸浆染色中的应用

天然染料因其广泛的可再生资源及其功能性而受到越来越多的关注。研究了从藤叶茶渣中提取藤叶葡萄黄酮类染料的最佳工艺条件，得到了总黄酮提取率为27.4%的染料样品。紫外（UV）、傅里叶变换红外（FTIR）和液相色谱-质谱（LC-MS）分析表明，AGFD中存在18种黄酮类化合物。此外，pH、光照、温度、金属离子和氧化还原剂等多种因素都会影响AGFD的稳定性。此外，还研究了AGFD对漂白化学浆的染色性能。在最佳条件下，以十二水硫酸铝钾（KAl(SO4)2·12H2O）为媒剂，染浆呈现出鲜艳的黄色，色牢度好，染色率高达88%。红外光谱（FTIR）和扫描电镜（SEM）分析表明，AGFD与纸浆纤维发生化学结合。值得注意的是，由agfd染色纸浆制成的手片具有热稳定性，物理强度性能和对大肠杆菌和金黄色葡萄球菌的抗菌活性。此外，用agfd染色纸浆手片包装的奶酪过氧化值仅为未染色纸浆手片的43%，表明其具有良好的抗氧化性能。本研究强调了AGFD在功能性彩色纸生产中的巨大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Coloration Technology 工程技术-材料科学：纺织

CiteScore

3.60

自引率

11.10%

发文量

审稿时长

4 months

期刊介绍： The primary mission of Coloration Technology is to promote innovation and fundamental understanding in the science and technology of coloured materials by providing a medium for communication of peer-reviewed research papers of the highest quality. It is internationally recognised as a vehicle for the publication of theoretical and technological papers on the subjects allied to all aspects of coloration. Regular sections in the journal include reviews, original research and reports, feature articles, short communications and book reviews.