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양송이버섯에서 배지로부터 버섯으로의 위해물질 이행에 대한 연구
김하윤,이효정,정보들,김미정,이병의 순천향대학교 기초과학연구소 2020 순천향자연과학연구 논문집 Vol.26 No.1
In order to investigate whether harmful substances are transferred from compost to mushrooms during the cultivation of button mushrooms, the registered pesticides and heavy metals (lead, cadmium) are treated with 10ppm and 100ppm respectively, and then analyzed for mushrooms and compost through well-known cultivation processes. As a result, the mushrooms did not transfer residual pesticides from the compost to the mushroom until three cycles, and lead and cadmium, heavy metals, also did not transfer the heavy metal from the compost to the mushroom. However, when Benomyl is used in the cultivation process, it’s can be detected as Carbendazim component.
HPLC를 이용한 양파껍질 색 및 부위에 따른 quercetin 함량 분석
맹주양,김세영,김민선,이예림,최유정,김미정,정보들,이효정,서아영,김수인,김예은,김태현 순천향대학교 기초과학연구소 2017 순천향자연과학연구 논문집 Vol.23 No.2
In this study, it was conducted to analyze of quantity of quercetin by color and area of onion skin using HPLC system. Chromatographic separation was achieved on a Capcell PAK C18 UG120 column (4.6x250 mm, 5 um particle size) and the detection was made at 360 nm. A gradient elution was programmed with the mobile phases of Acetonitrile and DW with 0.3% formic acid and a flow rate of 0.7 mL/min. The total run time was 40 min. Yellow onion and red onion were 49.2±3.2 mg/kg, 69.2±6.9 mg/kg with EtOH:DW=70:30 (v.v), respectively. EtOH:DW=70:30 (v/v) and EtOH sheowed the extraction effeiciency of solvent composition about twice as much as that of EtOH:DW=70:30 (v/v). As the extraction temperature increased, the extraction amount of quercetin increased.