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KMID : 1011620180340040358
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Korean Journal of Food and Cookey Science
2018 Volume.34 No. 4 p.358 ~ p.365
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Comparison of Extract Components and Saliva Secretion of Ixeridium dentatum and Pueraria lobata Ohwi
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Jung Na-Hee
Chang Jin-Hee
Hong Joo-Yeon
Kweon Dong-Keon
Han Jung-Ah
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Abstract
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Purpose: Ultra performance Liquid Chromatography (UPLC) was employed with different extraction conditions to determine the optimal extract conditions of Ixeridium dentatum (SS) and Pueraria lobata Ohwi (GG) for promoting saliva secretion.
Methods: Different extraction conditions with different solvents (water or ethanol), temperature (50 or 70°C), and time (30 min, 1 hr) were used. The color of the extracts and UPLC results were compared. In addition, salivation extent in response to samples obtained at the optimum extraction condition was compared.
Results: Evaluation of color properties revealed that SS pigment was better when extracted by ethanol than water, and by higher temperature and for a longer time. For the SS extract, cyranoside, was the representative component, while puerarin and daidzin were the active ingredients for GG.
Conclusion: For SS, the best extraction condition was 30 min at 70°C, whereas for GG the condition was 3 hr at 70°C. The GG extract led to about 32% greater stimulation of salivation than distilled water and 10% more than SS extract
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KEYWORD
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extract, UPLC, color, salivation
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