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KMID : 0616120230540020080
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Korean Journal of Pharmacognosy
2023 Volume.54 No. 2 p.80 ~ p.87
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Study on Quality Changes Caused by Rancidity and Methods to Reduce Rancidity for Domestically Distributed Herbal Medicines
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Park Young-Ae
Ko Suk-Kyung
Lee Hyun-Kyung
Choi Eun-Jung
Hong Sung-Cho
Park Yun-Seon
Jung Ji-Hun
Park Ju-Sung
Shin Yong-Seung
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Abstract
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Rancidity changes were examined for 6 herbal medicines, namely Persicae Semen, Armeniacae Semen, Lini Semen, Trichosanthis Semen, Arecae Semen, Myristicae Semen known to have relatively high fat content. In order to reduce rancidity of herbal medicines, samples were stored at 3 different conditions of room, refrigerating and freezing temperatures, and the rancidity was measured for 10 months with every 2 month interval. Fat content was extracted by using ethyl ether, and acid values and peroxide values, which are generally accepted indicators of fat rancidity, were measured. When storing Persicae Semen, Lini Semen and Arecae Semen at room temperature, the acid values increased as the storage period increased, and it was higher than when stored in refrigeration or freezing. The measurement of peroxide value showed more significantly higher initial degree of rancidity when Persicae Semen, Trichosanthis Semen, Arecae Semen and Myristicae Semen were stored at room temperature. It was observed that storing herbal medicines in refrigeration or freezing inhibited their rancidity compared to storing them at room temperature. To investigate the quality changes according to rancidity, the analysis of aflatoxins and indicator components showed that aflatoxins B1 and B2 were detected in Armeniacae Semen, Arecae Semen and Myristicae Semen, and the amount of amygdalin was well maintained within the specification standard.
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KEYWORD
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Rancidity, Acid value, Peroxide value, Aflatoxins, Amygdalin
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