林产化学与工业2026，Vol.46Issue(3)：9-16,8.DOI:10.20195/j.issn.0253-2417.2025161
竹粉中对香豆酸的微波提取工艺优化及其除草活性
Optimization of Microwave Extraction Process for p-Coumaric Acid From Bamboo Powder and Its Herbicidal Activity
摘要
Abstract
Bamboo powder derived from bamboo processing residues was extracted using a microwave-assisted deep eutectic solvent(DES,choline chloride-lactic acid)system to explore its application potential in the field of botanical herbicides.p-Coumaric acid,ferulic acid and other components were identified in the extract by liquid chromatography-quadrupole time-of-flight mass spectrometry.With the yield of p-coumaric acid as the index,the microwave-assisted extraction process of bamboo powder was optimized by combining single-factor and orthogonal experiments.The optimal extraction process conditions were obtained as follows:1g bamboo powder,liquid-solid ratio of choline chloride-lactic acid to bamboo powder of 6.9∶1(mL∶g),extraction time of 3.5 min and microwave power of 420 W.Under these conditions,the yield of p-coumaric acid reached 3.20 mg/g.The herbicidal activity of the bamboo powder extract was evaluated using the water-agar medium method,and it exhibited inhibitory effects on the root length,shoot length,and fresh weight of the target weed Trifolium pratense L.,showing a clear dose-response relationship.Among the three parameters,root length was the most sensitive to the active components.The herbicidal toxicity of the extract against root length(IC50=152.95 mg/L)was significantly weaker than that of p-coumaric acid(IC50=63.25 mg/L).This confirms that p-coumaric acid is the main herbicidal active component in the bamboo powder extract.关键词
竹加工剩余物/微波法/对香豆酸/提取工艺/除草活性Key words
bamboo processing residues/microwave method/p-coumaric acid/extraction process/herbicidal activity分类
化学化工引用本文复制引用
吴际,胡亮,张道褀,王进,汤锋..竹粉中对香豆酸的微波提取工艺优化及其除草活性[J].林产化学与工业,2026,46(3):9-16,8.基金项目
国家重点研发计划资助项目(2016YFD0600801) （2016YFD0600801）
