Green extraction of poplar type propolis: ultrasonic extraction parameters and optimization via response surface methodology.

BMC Chem · 2025 · PMC12482507 · PMID 41029725

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an increasing trendno p-value reported

2 D displayed an increasing trend in TPC across the entire tested range of ultrasonication time.

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highly significantno p-value reported

The results, shown in Tables 4 and 5 , and 6 , indicated that the models for TPC, TFC, and DPPH activity were highly significant, with F values of 11.60, 9.82, and 32.21, respectively.

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