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1446043 
Journal Article 
Extraction of Total Phenolic Content from Garcinia mangostana Linn. hull. I. Effects of Solvents and UV-Vis Spectrophotometer Absorbance Method 
Cheok, CY; Chin, NL; Yusof, YusA; Law, CL 
2012 
Yes 
Food and Bioprocess Technology
ISSN: 1935-5130 
5 
7 
2928-2933 
WOS:000309869900030 
The effect of solvents with different polarity on the
extraction of total phenolic content from mangosteen hull was investigated. The Folin-Ciocalteu
(FC) method, expressed in equivalent to gallic acid concentration was used to quantify total
phenolic content. Methanol was the most effective solvent in giving the highest recovery (p <
0.05) of phenolic compounds, compared to ethanol, acetone, isopropanol, ethyl acetate and
distilled water. Regression analysis was performed to evaluate the relationship between the
direct absorbance method and the FC method for total phenolic contents determination. Strong
coefficients of determinations (R (2) a parts per thousand yenaEuro parts per thousand 0.990)
were obtained for the absorbance of acetone, ethanol, and methanol extracts suggesting the
regression equations obtained can be used to determine the total phenolic contents without using
the FC method. 
Garcinia mangostana L.; hull; Solvents; Total phenolic content; Folin-Ciocalteu reagent; UV-Vis spectrophotometer; Methanol 
IRIS
• Methanol (Non-Cancer)
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