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Comparative study of ultrasonic-assisted and hot water extraction of polysaccharides from waste leaves of vine tea: Based on extraction mechanisms and green efficiency analysis |
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| 其它 | Abstract:Vine tea harvesting and processing generate massive quantities of waste leaves. The resource utilization of these agricultural byproducts to produce high value-added products such as polysaccharides represents a key strategy for balancing economic benefits and environmental protection. This study optimized the ultrasound-assisted extraction (UAE) process for vine tea polysaccharides (VTP) using response surface methodology, and employed multi-dimensional characterization techniques (Fourier-transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy) to systematically compare UAE and hot water extraction (HWE) in terms of their extraction mechanisms, the physicochemical characteristics of the polysaccharides, and their in vitro biological activities. |
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(2025-6-4)