2018
DOI: 10.22159/ijap.2018v10i6.29654
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Optimization of a Novel Kinetic-Assisted Infundation for Rich-Egcg and Polyphenols of White Tea (Camellia Sinensis) Using Central Composite Design

Abstract: Objective: This research aimed to find modeling and optimization of a novel kinetic-assisted infundation for rich-epigallocatechin gallate (EGCG) and polyphenols extraction from white tea leaf (Camellia sinensis L.).Methods: The optimal conditions for the best extraction of kinetic-assisted infundation were determined using central composite design. The content of EGCG, catechin, gallic acid, caffeine, theobromine, and theophylline was quantified using high-performance liquid chromatography with ultraviolet de… Show more

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Cited by 10 publications
(9 citation statements)
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“…Flavonoid content was determined using quercetin standard. Measurements by spectrophotometric method using aluminum chloride reagent with sufficient modification [25,26]. Instrumentation used by Hitachi U-2900 (Hitachi, Japan) spectrophotometer.…”
Section: Determination Of Total Flavonoid Content (Tfc)mentioning
confidence: 99%
“…Flavonoid content was determined using quercetin standard. Measurements by spectrophotometric method using aluminum chloride reagent with sufficient modification [25,26]. Instrumentation used by Hitachi U-2900 (Hitachi, Japan) spectrophotometer.…”
Section: Determination Of Total Flavonoid Content (Tfc)mentioning
confidence: 99%
“…Anal. 2021, 1(1), [11][12][13][14][15][16][17][18][19][20][21][22] www.journal.ugm.ac.id/v3/IJCPA Verification is based on confidence interval (CI) and prediction interval (PI) values [23,28]. The value of 95% CI is the range between two values where the value of a sample mean is right in the middle of it.…”
Section: Optimum Formula Prediction and Verificationmentioning
confidence: 99%
“…1A, 1B, 1C). Adequate Precision showed the signal to noise ratio and must be more than 4 (Y1=8.489; Y2=7.176; Y3=7.273); thus all response indicates the adequate equation to describe the relationship between factors to responses [15][16][17].…”
Section: Optimization Studies Using a Factorial Designmentioning
confidence: 99%