Ultrasound-assisted hot water extraction of yellow leaves of Pu'er tea polysaccharides: Extraction process, characterization, antioxidant and hypoglycemic activity.

Ultrason Sonochem · 2025 · PMC12615759 · PMID 41172800

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a decreasing trendno p-value reported

It showed that the yield of PTPS reached the maximum value (15.71 ± 0.06 %) when the ultrasonic power was increased to 500 W, and then showed a decreasing trend thereafter.

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