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KMID : 0881720140290020152
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Journal of Food Hygiene and Safety
2014 Volume.29 No. 2 p.152 ~ p.157
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Monitoring of Sulfur Dioxide Residues in Commercial Herbal Medicines at Domestic by Geographical Origins
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Lee Ah-Reum
Jang Seol
Lee A-Young
Choi Go-Ya
Kim Ho-Kyoung
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Abstract
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This study was carried out to investigate the residual sulfur dioxide residues (SO2) in commercial medicinal herbs in Korea in 2013. Among a total of 116 samples of 11 different kinds of herbs, 71 samples (11 Kinds) were domestic, and 45 samples (10 Kinds) were imported. The residual contents of SO2 in the samples were determinated by a modified Monier-Williams method. Of the 116 samples, 6 samples (5.2%, 4 Kinds) failed to meet the regulations for sulfur dioxide residues of KFDA in medicinal herbs. Among 6 unsuitable samples, 1 samples (1.4%) were domestic, and 5 samples (11.1%, 3 Kinds) were imported. The highest amount of sulfur dioxide residues was 1546.3 mg/kg (Lycii Fructus) in the domestic samples. Regardless of region, SO2 contents were not found at Anemarrhenae Rhizoma, Citri Unshius Pericarpium, Eucommiae Cortex, Forsythiae Fructus, Gardeniae Fructus, Leonuri Herba and Lonicerae Folium et caulis. These data will be used as a basic data for the future legislation on the regulation and control of sulfur dioxide of herbal medicines.
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KEYWORD
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commercial medicinal herb, sulfur dioxide, modified Monier-Williams method
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