id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
brj-23202	Ha, Si Young; Jung, Ji Young; Lee, Jung Myoung; Yang, Jae-Kyung	Evaluation of Antioxidant Activity and Chemical Profile of Cudrania tricuspidata Tree Pruning Extract Obtained by Optimized Microwave-Assisted Extraction	2024	16	.pdf	application/pdf	7407	392	50	A, D, G, J: as extraction temperature and time condition; B, E, H, K: as extraction temperature and liquid to residues; C, F, I, L: as extraction time and liquid to residues Extraction temperature (p < 0.05) and extraction time (p < 0.05) showed significant positive linear effects. Regression Coefficients of the Predicted Second-Order Polynomial Models for Antioxidant Activities, Total Polyphenol Content, and Total Flavonoid Content Regression Coefficientsa Y1 Y2 Y3 Y4 Intercept 84.09 93.82 2.71 2.38 X1: Extraction temperature 4.39* 6.18*** 0.3104** 0.2579 X2: Extraction time 4.02* 6.17*** 0.3160** 0.2838 X3: Extraction liquid to residues -7.32** -0.8847 0.0313 -0.4335 X1 X2 -2.56 -4.38* 0.3222** 0.3317 X1 X3 -2.35 1.04 0.0000 -0.0668 X2 X3 -4.72 1.91 0.0627 -0.0416 X1 2 -28.36*** -8.90*** -0.9147*** -0.7078 X2 2 -14.68*** -8.14*** -0.5643*** -0.4379 X3 2 -10.95*** -1.63 -0.8120*** -0.9715 Mean 58.68 85.04 1.63 1.38 Standard deviation 4.12 3.20 0.1791 0.6223 R2 0.9809 0.9508 0.9791 0.7986 Adjusted R2 0.9563 0.8875 0.9521 0.5395 Coefficient of variation 7.02 3.76 10.96 45.12 F-value (model) 39.89 15.02 36.36 3.08 F-value (lack of fit) 12.51 11.35 2466.04 0.2657 p-value (model) <0.0001 0.0009 <0.0001 0.0059 p-value (lack of fit) 0.2168 0.3200 0.1801 0.8475 aY1: DPPH radical scavenging; Y2: ABTS radical cation inhibition activity; Y3: total polyphenol content; Y4: total flavonoid content *< 0.05; <0.01; <0.001 Response Surface Analysis of DPPH• Scavenging Activity The RSM of the experimental data outlined in Table 2 indicates that extraction temperature (p < 0.05), extraction time (p < 0.05), and liquid-to-residue ratio (p < 0.01) each exerted quadratic effects on DPPH• scavenging activity, demonstrating robust regression coefficients.	cache/brj-23202.pdf	txt/brj-23202.txt