Acmella oleracea Metabolite Extraction Using Natural Deep Eutectic Solvents

代谢物 萃取(化学) 色谱法 化学 共晶体系 自然(考古学) 有机化学 生物 生物化学 古生物学 合金
作者
Claudia Maxim,Alexandra Cristina Blaga,Ramona-Elena Tataru-Fărmuş,Daniela Șuteu
出处
期刊:Processes [Multidisciplinary Digital Publishing Institute]
卷期号:12 (8): 1686-1686
标识
DOI:10.3390/pr12081686
摘要

For plant metabolite extraction, natural deep eutectic solvents (NADESs) have many benefits over conventional solvents and ionic liquids. These advantages include high solubility and extraction ability, a low melting point (<100 °C), low toxicity, environmental friendliness, recyclability, and better biodegradability. This study analyses a natural deep eutectic solvent for Acmella oleracea (A. oleracea) metabolite extraction, considering the following process parameters: temperature, component ratio in the eutectic solvent, water addition, solid/liquid ratio, and extraction duration. NADESs were synthesised using a simple heating method, and the synthesis of the NADESs was verified by Fourier transform infrared spectroscopy (FTIR). In terms of total polyphenol content (TPC) and flavonoid content (TFC), the betaine/propanediol ratio in a NADES of 1:3 and S/L = 1:5 yielded the highest efficiency. A value of 8.37 mg GAE/mL was obtained for TPC by ultrasound-assisted extraction with 40% water addition, 25 °C extraction temperature, and 60 min contact time. The best result in terms of TFC was 14.50 mg QE/mL obtained through ultrasound-assisted extraction with 0% water added, 25 °C extraction temperature, and 60 min contact time.
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