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Lethal Time of Storage Insect and The Stabilities of Major Quality of Medicinal Herbs(Cnidium officinale Makino and Angelica gigas Nakai) by Freezing
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- URLhttps://db.koreascholar.com/Article/Detail/287443
Currently, the storage temperature of the production factory of medicinal herbs (hGMP) is about 5~ 12℃. This temperature is possible to suppress pest but can not kill the pests. For this reason, we need to lower the temperature during lethal time because the pest has often occurred inside the packaging of medicinal herbs in the distribution process in summer. In order to solve this problem, we have investigated the lethal time of the storage insect(Tribolium castaneum Herbst) After we froze medicinal herbs(Cnidium officinale Makino and Angelica gigas N. ) at approx. –70℃ and –15℃ respectively. We then investigated the change of bioactive components and exterior characteristics of medicinal herbs in order to determine whether there is a change of quality. The results were as follows. The lethal time of Tribolium castaneum Herbst is about 2 minutes if processed at approx. –70℃, while the other time is about 16 minutes at approx. –15℃. We investigated the change of quality after the treatment of the two medicinal herbs in the similar way but could not confirm the difference of color and brightness and the bioactive components on statistics. Through this research, it has been verified that the process of quick freezing for pest control can not affect the main quality of the medicinal herbs. Therefore this technology can be introduced in the manufacturing process of medicinal herbs through additional research.
