국내산 식용 지하 부위 채소의 수확시기에 따른 무기 성분 분석에 관한 연구

장경미,이미순 한국조리과학회 1999 한국식품조리과학회지 Vol.15 No.5

우리나라에서 재배하여 생산한 식용 지하 부위 채소(감자, 고구마, 당근, 무, 우엉, 연근, 양파, 생강, 마늘)의 수확시기에 따른 무기 성분의 차이와 중금속 함유 여부를 알아보기 위하여 그 성분들을 분석하였다. 모든 시료에서 가장 많이 함유된 무기 성분은 K이었으며, P와 Ca, Mg 순으로 많이 함유되었다. 각각의 무기 성분 함량은 모든 시료마다 다르게 나타났다. 감자는 다른 식용지하 체소에 비해 Na과 Fe의 함량이 상대적으로 낮았고 K의 함량은 높게 나타났다. 고구마는 감자와 비교하면 6월과 8월의 시료에서 Ca을 2-3배 가량 많이 함유하고 있다. 당근은 Na의 함량이 감자나 고구마에 비하여 높게 나타났다. 무는 Ca의 함량이 높았는데 감자의 5-8배였고 다른 지하 부위 체소들과 비교하여도 2-3배 이상이나 되었다. 연근도 Ca의 함량이 높았으며 Mn의 함량은 분석한 시료들중 가장 높았다. 마늘은 K와 P의 함량이 상대적으로 높았고 생강은 Mg의 함량이 분석한 시료들 중 가장 높았다. 양파에는 K, P, Ca의 함량이 타 채소에 비하여 상대적으로 낮게 나타났고 Mg은 높았다. 계절별로 비교해 보면 6월과 8월의 시료들이 10월의 시료들에 비하여 여러 무기 성분의 함유도가 높게 나타났다. This study was performed to estimate mineral contents of some underground vegetables including potatoes, sweet-potatoes, carrots, radishes, onions, garlics, gingers, burdocks, and lotus roots produced in Korea using ICPAES (Inductively Coupled Plasma-Atomic Emission Spectrometry). According to the measurement, the amounts of Na, Mg, Al, K, Ca, Mn, Fe, Zn, and P in underground vegetables are variable depending upon harvest time and individual plants. It was noticeable that the carrots showed quite higher amounts of Na compared to other underground vegetables. The amounts of Cd, Ba, Sr and Pb appeared to be below hazard levels. In the near future we expect that this study can be used to calculate the mineral intake from underground vegetables.

Effect of Selected Aromatic Medicinal Plant Sancho (Zanthoxylum schinifolium) on Osteoblastic MC3T3-E1 Cells

장경미,최은미,김건희 한국식품과학회 2011 Food Science and Biotechnology Vol.20 No.5

This study was performed to investigate the bioactivity of sancho (Zanthoxylum schinifolium) essential oil (EO) on bone metabolism and its function of osteoblastic MC3T3-E1 cells. The volatile aroma components of sancho EO were collected using a Clevenger-type apparatus by steam distillation extraction method, and determined by GC-MS. β-Phellandrene (22.54%) was the most abundant volatile compound in sancho EO, followed by citronellal (16.48%) and geranyl acetate (11.39%). It increased the collagen and mineralization of osteoblasts (p<0.05),indicating that sancho may help prevent osteoporosis.

Effects of Medicinal Plant Atractylodes japonica on MC3T3-E1 Cells

장경미,최은미,김건희 한국식품과학회 2014 Food Science and Biotechnology Vol.23 No.4

During our survey of the aromatic medicinalherbaceous plants looking for activity on bone metabolism,we found that Atractylodes japonica rhizomes increasedthe function of osteoblastic MC3T3-E1 cells. Chemicalconstituents of Atractylodes japonica were separated byhydro-distillation extraction (HDE), and characterized byGC/MS. The effects of Atractylodes japonica essential oils(AEOs) on the function of osteoblastic MC3T3-E1 cellswere tested. AEO significantly (p<0.05) increased thegrowth and differentiation of osteoblastic MC3T3-E1 cells,indicating that has potential for use as a natural treatmentfor osteoporosis.

Volatiles of Chrysanthemum zawadskii var. latilobum K.

장경미,김건희 한국식품영양과학회 2012 Preventive Nutrition and Food Science Vol.17 No.3

The volatile aroma constituents of Chrysanthemum zawadskii var. latilobum K. were separated by hydro distillation extraction (HDE) method using a Clevenger-type apparatus, and analyzed by gas chromatography-mass spectrometry (GC/MS). The yield of C. zawadskii var. latilobum K. flower essential oil (FEO) was 0.12% (w/w) and the color was light green. Fifty-five volatile chemical components, which make up 88.38% of the total aroma composition, were tentatively characterized. C. zawadskii var. latilobum K. FEOs contained 27 hydrocarbons, 12 alcohols, 7 ketones, 4 esters, 1 aldehyde, 1 amine, and 3 miscellaneous components. The major functional groups were terpene alcohol and ketone. Borneol (12.96), (±)-7-epi-amiteol (12.60), and camphor (10.54%) were the predominant volatiles. These compounds can be used in food and pharmaceutical industries due to their active bio-functional properties.

Changing Prevalence of Helicobacter pylori Infections in Korean Children with Recurrent Abdominal Pain

장경미,최병호,최재영,Suk Jin Hong,Hyo Jung Park,Mi Ae Chu,Seung Man Cho,Jungmi Kim 대한소아소화기영양학회 2015 Pediatric gastroenterology, hepatology & nutrition Vol.18 No.1

Purpose: The aim of this study is to investigate the changing prevalence rate of Helicobacter pylori infection in children, of different age groups, with recurrent abdominal pain over a 10-year period. Methods: Children with recurrent abdominal pain who visited the pediatric outpatient clinic at university hospital were screened for H. pylori. Children were divided into 3 age categories of 4-5, 6-11, and 12-16 years. To study the changes in the annual prevalence rates of H. pylori infection, the study period was divided into 3 time periods: 2004-2007, 2008-2010, and 2011-2014. Urea breath test was performed for all children aged 4-16 years, with a cut-off value of 4.0‰ for children aged ≥6 years and 7‰ for children aged <6 years.Results: A total of 2,530 children (1,191 boys) with a mean age of 10.0±3.0 years (range, 4.0-16.9 years) were included in the study. The total prevalence of H. pylori infection was 7.4% (187/2,530). The prevalence rate of H. pylori infection in children with recurrent abdominal pain was 8.0% (70/873) in 2004-2007, 7.7% (51/666) in 2008-2010, and 6.7% (66/991) in the 2011-2014. Nevertheless, a significant difference was observed in the prevalence rate between chil-dren <12 years old and ≥12 years of age (p=0.018). Conclusion: The prevalence of H. pylori infection in Korean children with recurrent abdominal pain was 7.4%, showing no significant decrease in the last 11 years; however, the prevalence rate in children <12 years old was significantly lower than that in those ≥12 years old.

P-132 : Preparation of organic-inorganic polymer hybrids and gas permeation properties

장경미,김현준 한국화학공학회 2007 화학공학의이론과응용 Vol.10 No.2

The organic-inorganic hybrid membranes were formed by sol-gel process on the porous support. In the case of the film coated only APTEOS on PP substrate, the permeability coefficient is 0.0266(Barrer) for nitrogen, 0.109 for oxygen, and 0.00247 for carbon dioxide, while the permeability coefficient of PP film is 0.233, 0.858, and 2.886. Incorporation of organic polymers such as polyvinylpyrrolidone (PVP) and polyethylene glycol(PEG), into the inorganic segments provides flexibility to the matrix. Therefore, the permeability might be increased by addition of organic polymer to APTEOS. The effects of organic polymer on gas permeation properties and selectivities have been investigated and the results are discussed in relation to the molecular weight, and the type and amount of organics. Addition of organic polymer gives the porous structure and results in increase of gas permeability.

Volatile Aroma Constituents of Gukhwa (Chrysanthemum morifolium R.)

장경미,김건희 한국식품과학회 2013 Food Science and Biotechnology Vol.22 No.3

The aroma composition of gukhwa (Chrysanthemum morifolium R.) was investigated. The volatile flavor compounds were extracted by steam distillation method. The yield of gukhwa essential oil (EO) from gukhwa flowers was 0.1%(w/w), and its color was the light green. Forty-five volatile flavor compounds making up 96.81% of the total volatile composition from the distilled oil were tentatively characterized. It contained 25 hydrocarbons with sesquiterpene hydrocarbon predominating, 7 alcohols,3 ketones, 3 acids, 2 esters, 3 aldehydes, and 2 ethers. Chrysanthenyl acetate (43.74%) was the most abundant aroma component, and verbenol (27.85%) was also remarkable. The major functional groups of gukhwa EO were terpene ester and alcohol.

수입 천초의 향기

장경미 덕성여자대학교 교육연구소 2008 植物資源硏究誌 Vol.7 No.-

The volatile aroma components were isolated from Zanthoxylum pipperitum A.P. DC. which was imported using a Clevenger-type apparatus by steam distillation extraction method, and were analyzed by gas chromatography-mass spectrometry (GC/MS). The yield of Z pipperitum A.P. DC. oil was 1.2% (w/w), and the color was strong yellow. Fifty-four volatile flavor compounds of Zpipperitum A.P. DC. distilled oil constituted 87.34% of the total peak area. It contained 45 terpenes (71.21%), 3 ketones (15.27%), 2 carboxylic acid (0.73%), 2 aldehydes (0.07%), 1 ester (0.04%) and 1 hydrocarbon (0.02%). Among them, piperitone (p-menth-1-en-3-one) (13.48%) and β-phellandrene (10.90%) were the major abundant volatile compounds of the essential oils from Zipipperitum A.P. DC, and followed by sabinene (9.51%), terpinen-4-o1 (8.68%) and linalool (5.54%).

학습조직의 5가지 수련방법

장경미 충남대학교 법경대학 경영동우회 1997 經友論集 Vol.28 No.-

친환경 양식용 배합사료 개발 착수

장경미,Jang, Gyeong-Mi 한국단미사료협회 2003 사료산업 Vol.2 No.-