서울시 유통 건강기능식품 중 츄어블제품 66건과 인삼 홍삼제품 60건을 수거하여 분석하였다. 시료 전체의 1일 섭취량당 당함량 평균은 1.95 g이었고 범위는 N.D. ~ 12.61 g 이었다. 제품 유형별로는 츄어블 제품의 평균은 1.26 g 이었고 범위는 N.D. ~ 10.39 g이었다. 인삼홍삼제품의 평균은 2.70 g이었고 범위는 N.D. ~ 12.61 g이었다. 츄어블제품중 1 일 섭취량당 당함량은 어린이용 제품이 평균 2.10 g으로 가장 높았고 영양소제품은 평균 1.43 g, 기능성원료 제품은 평균 0.35 g이였다. 어린이용 제품은 1일 섭취량당 당함량이 1.03 g ~ 5.33 g, 영양소 제품은 N.D. ~ 10.39 g, 기능성원 료 제품은 N.D. ~ 2.61 g의 범위를 보였다. 인삼홍삼제품중 1일 섭취량 당 당함량은 액상 제품이 평균 4.25 g으로 가장 높았고 농축액 제품은 평균 1.51 g, 분말제품은 평균 1.49 g이었다. 액상 제품의 1일 섭취량당 당함량의 범위는 N.D. ~ 10.80 g, 농축액 제품의 범위는 N.D. ~ 12.61 g, 분말 제품의 범위는 0.06 g ~ 5.64 g의 분포를 보였다. 인공감미료를 분석한 결과 3건에서 인공감미료가 검출 되었다. 인삼홍삼제품에서는 인공감미료가 검출되지 않았으며 츄어블제품 중 영양소 제품 2건과 기능성원료 제품 1건에서 검출되었다. 검출된 인공감미료는 아스파탐으로 영양소 제품에서 3.09 g/kg, 기능성원료 제품에서 1.09 g/kg 검출되었고 3건 모두 허용량 이내였다.

2014년 서울시에서 유통 되고 있는 볶은 원두커피 50건에 대하여 pH, 총산도, 납,카드뮴, 카페인, 총 폴리페놀 함량을 분석하였다. pH는 4.72~5.25의 범위에서 평균 4.99를 나타내었고, 배전정도에 따른 pH는 약배전 4.85, 중배전 4.98, 강배전 5.07로 나타났다. 총산도는 평균 1.59%였으며 최소 0.72%에서 최대 2.25%였다. 배전정도에 따른 총산도는 약배전 1.75%, 중배전 1.56%, 강배전 1.39%로 나타났다. 납, 카드뮴 평균 함량은 각각 0.0112 mg/Kg, 0.0011 mg/Kg 이었으며 납 함량은 최소 불검출에서 최대 0.0535 mg/Kg 이었고. 카드뮴 함량은 최소 0.0010 mg/Kg 에서 최대 0.0069 mg/Kg 이었다. 배전정도에 따른 납 함량은 약배전에서 0.0690 mg/Kg, 중배전에서 0.0195 mg/Kg, 강배전에서 0.0129 mg/Kg로 나타났다. 카드뮴의 함량은 약배전에서 0.0005 mg/kg, 중배전에서 0.0017 mg/kg, 강배전에서 0.0032 mg/kg로 나타났다. 시료의 평균 카페인 함량은 12.29 mg/mL이었으며, 최소 0.51 mg/mL 최대 20.28 mg/mL의 함량을 나타내었다. 배전 정도에 따른 평균 카페인 함량은 약배전일 때 12.00 mg/mL, 중배전일 때 12.39 mg/mL, 강배전일 때 12.48 mg/mL을 나타내었다. 생산 국가별로 카페인 함량은 이탈리아 커피의 카페인 함량 평균이 15.58 mg/mL로 가장 높게 나타났고, 미국산 커피의 카페인 함량 평균이 11.02 mg/mL로 가장 낮게 나타났다. 시료의 평균 총 폴리페놀 함량은 31.94 mg/mL이었으며, 최소 18.88 mg/mL 최대 43.90 mg/mL의 함량을 나타내었다. 배전 정도에 따른 총 폴리페놀 함량은 약배전 일 때 평균 함량이 34.60 mg/mL로 가장 높게 나타났고, 강배전일 때 평균 함량이 29.72 mg/mL로 가장 낮게 나타났다. 생산 국가별 총폴리페놀 함량 평균이 37.75 mg/mL로 가장 높게 나타났고, 브라질 커피의 총 폴리페놀 함량 평균이 27.84 mg/mL로 가장 낮게 나타났다.

The levels of migration of 1-hexene and 1-octene residues in PE (polyethylene) products were analyzed by Headspace gaschromatography (HSGC). A total of 21 samples were including lap, polyglove, zipper bag and ect. The samples were eluted with distilled water, 4% acetic acid, 20% ethanol and n-heptan. The limit of detection (LOD) was 0.06 mg/L ~ 0.30 mg/L and limit of quantitation (LOQ) was 0.21 mg/L ~ 1.01 mg/L, respectively. But beacause of the high volatile, n-heptan elution was not detected 1-hexene and 1-octene standard. 1- hexene and 1-octene were not detected in the sample which eluted with simulant at 60℃, 30min. Microwave for 1 minute also treated sample and direct heated at 100℃ wthiout simulant were not detected.

This study was carried out to investigate the current status of pesticide residues in 3,988 agricultural products in the northern area of Seoul from January to December in 2009. 3,988 samples comprising 109 types of agricultural products were assessed via a multiresidue method to detect 272 pesticides. Pesticide residues were detected in 25.6% (1,021 of 3,988 samples), and the rate at which the detected residues violated the maximum residue levels (MRLs) of the Korean Food Code was 2.2% (89 of 3,988 samples). The agricultural products which exceeded their maximum residue limits were leek, ginseng, welsh onion, crown daisy and lettuce (leaf). Additionally, the most frequently detected pesticide that exceeded the regulation maximum was endosulfan, procymidone, tolclofos-methyl,iprodione and flutolanil.

This study was carried out to investigate the current status of pesticide residues in 3,735 agricultural products in the northern area of Seoul from January to December in 2008. 3,735 samples, comprising 119 types of agricultrural products were assessed via a multiresidue method to detect 260 pesticides. Pesticide residues were detected in 19.7%(737 of 3,735 samples), and the rate at which the detected residues violated the maximum residue levels(MRLs) of the Korean Food Code was 3.2%(121 of 3,735 samples). Pesticide residues were detected in 72 spinaches, 64 peppers, 45 sweet peppers, 40 perilla leaves, 38 korean cabbages and 37 dried agricultural products. The samples that violated the MRLs included 14 perilla leaves, 13 spinaches, 12 leek, 6 lettuces(leaf), 6 chards and 6 gyeojchaes. Procymidone, endosulfan, chlorfenapyr, cypermethrin, bifenthrin, tebuconazole and fenvalerate were all frequently observed. Procymidone, endosulfan, dimethomorph and diniconazole were the pesticides most frequently detected at levels that violated the Korean Food Code MRLs.

A survey of total aflatoxin levels was conducted on 145 samples(carthamiflos, thujae semen, giycyrrhizae radix et rhizoma) collected in Yakyeang markets in Seoul. Aflatoxin levels were quantified by the immunoaffinity column clean-up method followed by performance liguid chromatography(HPLC)-fluorescence detector(FLD). Aflatoxins were found in 10(6.9%)samples including 5 Arecae semen, 4 Thujae semen, 1 Zizyphi semen with a range of 0.45~79.15 μg/kg. Generally These results show that the contamination level of aflatoxins in Herb Medicines consumed in Korea is high compared with the standard in Korea Herb Medicine Code(10 μg/kg as aflatoxin B1). It is considered that aflatoxin concentration was increased in herb medicines during a storage and drying in herb medicines examined

This study was carried out to investigate the current status of suspected endocrine disrupting pesticides among the agricultural products in northern area of Seoul in 2007. 3,026 samples was analyzed by multiresidue method. Detected Pesticide in 11 cases were procymidone, endosulfan, chlorothalonil, chlorpyrifos, cyermethrin, fenvalerate, hexaconazole, carbendazim, pendimethalin, permethrin, parathion and exceeded 7 cases of endosulfan, procymidone, carbendazim, chlorothalonil, chlorpyrifos, cypermethrin, fenvalerate in the maximum residue limits(MRLs). Procymidone, endosulfan, chlorothalonil and chlorpyrifos comprised up to 80.5% in detected pesticides. Among the 321 cases of detected agricultural products, 287 cases(89.4%) were vegetables, 25 cases (7.8%) were fruits, Others were 9 cases(2.8%).

In an effort to evaluate the currents in pesticide residues, 3,020 agricultural products were tested by multiresidue method with 260 pesticides, obtained from the circulation market of in the Gangbuk province in 2007.20.4%(616/3020) of the products were determined to contain pesticides residues, but only 4.1%(124/3020) of these were deemed to be unsuitable by the korea Food Code. Unsuitably products were spinach(21.0%), perilla leaf(17.3%), ulgari(13.6%), leek(12.4%), crowndaisy(12.4%), asterscaber(12.4%), chard(11.1%). Detected pesticides were procymidone(3.9%), endosulfan(2.6%), chlorfenapyr(2.2%), bifenthrin (1.3%), cypermethrin(0.7%), metalaxyl( 0.9%), azoxystrobin(0.3%) and chlorothalonil(0.7%). Sixty-four pesticides were detected and 11 pesticides were newly detected in 2007. Thirty-one pesticides in agricultural products exceeded their MRLs.