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KMID : 0881720220370040216
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Journal of Food Hygiene and Safety
2022 Volume.37 No. 4 p.216 ~ p.224
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Validation of an Analytical Method for Deacetylasperulosidic acid, Total Sugar and Monosaccharide Analysis in Fermented Morinda citrifolia Polysaccharide Powder
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Kwon Hee-Yeon
Choi Ji-Soo
Kim Soo-Jin
Kim Eun-Min
Uhm Ji-Hyun
Kim Bo-Kyung
Lee Jae-Yeon
Kim Yong-Deok
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Abstract
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This study was aimed at validating the analysis methods for deacetylasperulosidic acid (DAA), total sugar, galacturonic acid, glucose, and galactose, which are the indicator components of fermented Morinda citrifolia polysaccharide extract (Vitalbos). We modified the previously reported methods for validating the analytical methods. The specificity, linearity, precision, accuracy, limit of detection (LOD), and limit of quantification (LOQ) were measured using phenol-sulfuric acid method and high-performance liquid chromatography (HPLC). The retention time and spectrum of the standard solution of Vitalbos coincided, confirming the specificity. The calibration curve correlation coefficient (R2), of five indicator components, ranged from 0.9995?0.9998, indicating excellent linearity of 0.99 or more. The intra-day and inter-day precision range of the assay was 0.14?3.01%, indicating a precision of less than 5%. The recovery rate was in the range of 95.13?105.59%, presenting excellent accuracy. The LOD ranged from 0.39 to 0.84 μg/mL and the LOQ ranged from 1.18 to 2.55 μg/mL. Therefore, the analytical method was validated for DAA, total sugar, galacturonic acid, glucose, and galactose, in Vitalbos. The indicator component content in Vitalbos was determined using a validated method. The contents of DAA, total sugar, galacturonic acid, glucose, and galactose were 2.31±0.06, 475.92±5.95, 72.83±1.05, 71.63±2.44, and 67.30±2.31 mg/g of dry weight, respectively. These results suggest that the developed analytical method is efficient and could contribute to the quality control of Vitalbos, as a healthy functional food material.
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KEYWORD
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Method validation, Deacetylasperulosidic acid, Monosaccharide, Polysaccharide, Morinda citrifolia
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