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아로니아, 비트, 백년초 분말 첨가 순무 물김치의 품질특성 및 항산화 활성 비교
김선회,김지형,엄선아,한영선,허명제,Kim, Sun Hoi,Kim, Ji Hyeung,Eom, Sun Ah,Han, Young Sun,Heo, Myung Je 한국식품조리과학회 2018 한국식품조리과학회지 Vol.34 No.3
Purpose: This study examined the effects of aronia, beet and prickly pear powder on the properties of mul-kimchi made of turnip. Methods: Each turnip mul-kimchi was made by adding 0.2% aronia, beet or prickly pear powder. After a 24 hour fermentation process at $25^{\circ}C$, it was stored at $4^{\circ}C$. The antioxidant activities and quality characteristics of turnip mul-kimchi during 34 days of storage at $4^{\circ}C$ were compared. The antioxidant activities were evaluated using DPPH (2,2-diphenyl-1-picryl-hydrazyl-hydrate) and ABTS (2,2'-azinobis-3-ethylbenzothiazoline-6-sulphonic acid) radical scavenging methods, as well as FRAP (ferric reducing antioxidant power) assays and the total polyphenol content. Results: The antioxidant activity of aronia-added turnip mul-kimchi was higher than that of the control and others. The vitamin C content was the highest on day 6, with the following levels: aronia-added turnip mul-kimchi (182.36 mg/kg), beet-added turnip mul-kimchi (171.80 mg/kg), prickly pear-added turnip mul-kimchi (163.80 mg/kg) and control group (158.85 mg/kg). Conclusion: The addition of aronia powder can improve the quality characteristics and antioxidant activities of turnip mul-kimchi.
박병규,김선회,여은영,이한정,서순재,권성희,송성민,주광식,허명제 한국식품위생안전성학회 2020 한국식품위생안전성학회지 Vol.35 No.2
본 연구에서는 유통 중인 분말 농산물가공품의 안전성 확보를 위하여 대형마트, 온라인 쇼핑몰에서 수거한 104건을 대상으로 다종농약다성분분석법으로 검사 가능한 잔류농약 373종 및 금속성 이물을 검사하였다. 품목별 수거 현황은 향신식물 33건(31.7%), 과일류 31건(29.8%), 채소류 25건(24.0%), 서류 5건(4.8%) 순이었다. 잔류농약은 전체 104건 중 7건에서 잔류허용기준 이내로 검출되어 6.7% 의 검출률을 보였으며 기준을 초과한 부적합 제품은 없었다. 깔라만시분말에서 chlorpyrifos, malathion, permethrin, 노니분말에서 fenoxanil, 쑥분말에서 tebuconazole, 파프리 카분말에서 tetraconazole, 신선초분말에서 etofenprox가 검출되었는데 이는 농산물중의 잔류농약이 가공품으로 이행 되었을 것으로 보인다. 금속성 이물은 22.1%(23건)의 검출률을 보였으며 기준을 초과한 제품은 계피분말, 강황분말, 새싹보리분말, 쑥 분말 등 16건이 발생하여 분말 농산물가공품에서는 금속 성이물의 관리가 무엇보다 중요할 것으로 판단된다. 금속성 이물(쇳가루)은 단단한 건조 농산물을 분말로 만드는 분쇄과정에서 금속성 재질의 롤밀, 칼날 등의 마찰로 인해 미세한 쇳가루가 발생하면서 분말 농산물가공품에 섞여 들어가는 것으로 추정된다. 분말 농산물가공품의 안전관리를 위해서는 원재료인 농산물의 안전성 확보를 기본으로 건조원료의 분쇄과정 중 발생하는 금속성 이물의 최소화, 금속성 이물 제거 장치의 설치, 분말 농산물가공품의 정기적인 모니터링 등의 체계적인 관리를 통해 제품의 안전성을 확보할 수 있을 것으로 기대된다. This study was conducted to evaluate pesticide residues and foreign metallic matter on a total of 104 powdered agricultural products in Incheon. Residue testing for 373 pesticides was conducted by GC-MS/MS, LCMS/ MS, GC-ECD, GC-NPD and HPLC-UVD. Foreign metallic matter was detected by magnetic rod. As a result pesticide testing, 7 of the 104 products were found to be within the MRL of the pesticides. The detected pesticides were chlorpyrifos, etofenprox, fenoxanil, malathion, permethrin, tebuconazole and tetraconazole. As for foreign metallic matter, 16 samples were above the allowable limits set by Korean regulations. Therefore, the inspection of residual pesticides in raw material, and the removal of foreign metallic matter will require further stringent attention for the safety of powdered agricultural products.
인천광역시 유통 농산물의 최근 3년간 잔류농약 실태조사
박정은,이미연,김선회,송성민,박병규,서순재,송재용,허명제 한국환경농학회 2019 한국환경농학회지 Vol.38 No.3
BACKGROUND: This survey conducted on agricultural products in Incheon for the past three years from 2016 to 2018 to detect residual pesticides and to monitor the use of pesticides. METHODS AND RESULTS: Residual pesticides were analyzed for a total of 5,937 agricultural products in Samsan wholesale market, traditional market and large retailers in Incheon. Samples were analyzed by multi class pesticide method using GC-MS/MS, LC-MS/MS, GC-ECD/NPD, and UHPLC. In 59 cases (1.0%) residual pesticides were detected improperly and these cases exceeded maximum residue limits (MRLs). CONCLUSION: The ratios of violative agricultural products were similar each year at approximately 1.0% per year, but the residual pesticide detection rates with the limit included in the samples were shown to be gradually decreasing to 17.9%, 12.6%, and 11.2% annually. The frequency of violative residual pesticides was high in order of Diazinon, Chlorpyrifos, Iprodione, etc. Residual pesticide monitoring might be needed in the future continuously, as violations in agricultural products distributed in Incheon are shown at a similar level every year.