• Title/Summary/Keyword: Technology and Home Economics

Search Result 646, Processing Time 0.034 seconds

Effect of Irradiation on pH, Color, and Sensory Quality of Cooked Pork Sausage with Added Chitosan Oligomer

  • Cheorun Jo;Lee, Ju-Woon;Lee, Kyong-Haeng;Lee, Hyung-Ja;Byun, Myung-Woo
    • Preventive Nutrition and Food Science
    • /
    • v.6 no.3
    • /
    • pp.147-151
    • /
    • 2001
  • The combined effect of water-soluble chitosan oligomer and irradiation on changes in quality of perk sausage made with (156 ppm) or without NaNO$_{2}$ was determined. The pH of nonirradiated sausage without NaNO$_{2}$ decreased significantly during 3 wks of storage, but the pH of irradiated sausage did not. Irradiation at 4.5 kGy did not increase the Hunter color a-value but 10 and 20 kGy showed significantly higher a-values in the sausage with chitosan oligomer (p < 0.05). The sausage with NaNO$_{2}$ had higher sensory scores than that without NaNO$_{2}$, and irradiated sausage had lower scores in overall acceptance. Results indicate that further research is needed to achieve consumers sensory standards for irradiating cooked meat products.

  • PDF

Grounded Theory Analysis on the Substitute Behavior and Consumption of Mothers in terms on their Children's Academic Achievements and Appearances (근거이론에 기초한 자녀의 학업과 외모에 대한 어머니의 대리만족과 소비 분석)

  • Kim, Sang Ji;Jin, Hyun Jeong
    • Human Ecology Research
    • /
    • v.56 no.6
    • /
    • pp.527-539
    • /
    • 2018
  • This study analyzed the substitute behavior of mothers of infants or elementary-school-aged children in terms of consumption. For this study, in-depth interviews were conducted with women residing in the Seoul metropolitan area who show significant interest in their children. The interviews were analyzed based on the grounded theory. The findings of this study are as follows. First, mothers show substitute behavior for their children's appearance. The younger the children, the more substitute consumption exhibited by mothers. As children grow older and are able to choose what to wear, mothers show less substitute behavior tendencies regarding appearance management. Second, mothers tend to exhibit substitute behavior regarding their children's academic achievements. Mothers hope their children will be more successful than themselves were or will achieve the dreams that they failed to accomplish, which drives substitute behavior. Mothers affectionately provide children with financial support so they can obtain academic achievement and they hope their children will have successful occupations in the future. Third, mothers who are not satisfied with their appearance and have low self-esteem are more likely to exhibit substitute behavior with their children. This study will be helpful in understanding mothers' motivation and psychological factors regarding the support of their children.

A Study on the Dressed Shapes of the Blouse with Short Sleeves and Sleeveless according to Arm Movement Using 3-D Scanner (팔 동작에 따른 소매유무별 블라우스 착의형상의 3차원적 파악)

  • Lee, Myung-Hee;Matsuyama, Yoko
    • Fashion & Textile Research Journal
    • /
    • v.8 no.2
    • /
    • pp.209-213
    • /
    • 2006
  • The 3-D information is useful as basic data which has been utilized in the development of simulating technology as fit-simulation. The experiment is designed to take some useful data on the variant shapes which contribute in simulating the adaptability of the clothes. The general figure of the clothes are made after the figure of the basic standing posture of the human body. The shape of the clothes fits with kinetic characteristic of the human body as the form of the clothes gets twisted, the ease of the clothes changes, and the clothes itself expands. We studied the dressed shapes of blouse according to two types of the arm movement(basic posture and reach forward) and three types of clothes(foundation, blouse with short sleeves and sleeveless) in the sit-down-posture. We accomplished some experimental data on three-dimensional measurement of the dressing shapes using TDS-3100 3-D scanner made in Japan PULSTECH. It is considered that the variant of shapes and distribution of gaps in the dressed shapes of blouse are determined by the adaptability of clothes made in arm movement.

A STUDY ON THE COMPARISON OF CHARACTERISTICS IN MAN-AND-WOMAN'S COSTUME WITH THE STYLE OF PLASTIC ART IN THE PERIOD OF ROMANTICISM (낭만주의(浪漫主義) 시대(時代)의 조형예술(造形藝術) 양식(樣式)과 남녀복식(男女服飾)의 특성(特性) 비교(比較))

  • Kim, Keum-Jah;Lee, Jeong-Soon
    • Korean Journal of Human Ecology
    • /
    • v.2 no.1
    • /
    • pp.33-44
    • /
    • 1993
  • It is interesting that the costume in the period of romanticism was very fantastic and peculiar in its aspects. The romanticism in the fashion theme of these days' mode represents the image of this France romanticism. Costume has unseparable relations with the style of art in the same period. Especially, plastic art has logical connection with costume because it is an art through silhouette, line, color and texture felt by visional and solid feelings. This kind of study is important in order to understand the fashion of today, to anticipate the fashion in future and to get recognition of costume as a genre of arts. This study is to analyse and compare the general features in the grown-ups' everyday clothes of France from 1815 to 1850 when costume in the period of romanticism reached its peaks with the art of architecture, paintings, sculpture and technology, with the aid of documentary recordings. The above study explain that costume is expressed by the same plastic art of the period if it coexists in the same cultural background. Finally, we can plan the costume in future on an artistic dimension by understanding correctly the characteristics of plastic art which modern costume pursue from an artistic point of view.

  • PDF

Measurement of Age-Related Changes in Bone Matrix Using 2H2O Labeling

  • Lee, Jeong-Ae;Kim, Yoo-Kyeong
    • Preventive Nutrition and Food Science
    • /
    • v.10 no.1
    • /
    • pp.40-45
    • /
    • 2005
  • Age-related changes in bone metabolism are well established by biochemical markers of bone matrix in serum and urine, but analysis of the residual bone matrix, which is still turning over, has not been investigated. In the present study, we measured in vivo rates of bone protein synthesis using a precursor-product method based on the exchange of ²H from ²H₂O into amino acids. Four percent ²H₂O was administered to mice in drinking water after intraperitonial (i.p) bolus injection of 99.9% ²H₂O. Mice were divided into the two groups: growing young mice were administered 4% ²H₂O for 12 weeks after an i.p bolus injection at 5 week of age, whereas weight stable adult mice started drinking 4% ²H₂O 8 weeks later than the growing group and continued 4% ²H₂O drinking for 8 weeks. Mass isotopomer abundance in alanine from bone protein was analyzed by gas chromatography/mass spectrometry. Body ²H₂O enrichments were in the range of 1.88-2.41% over the labeling period. The fractional synthesis rates (ks) of bone protein were 2.000±0.071%/d for growing mice and 0.243±0.014%/d for adult mice. These results demonstrate that the bone protein synthesis rate decreases with age and present direct evidence of age-related changes in bone protein synthesis.

Isolation and Purification of Ficin from Fig Latex (무화과(無花果)에서 Ficin의 분리(分離) 및 정제(精製))

  • Kim, Jun-Pyoung;Suh, Jai-Sin;Kim, Jung-Sook
    • Korean Journal of Food Science and Technology
    • /
    • v.18 no.4
    • /
    • pp.270-277
    • /
    • 1986
  • Ficin, a proteolytic enzyme in Fig latex, was extracted and purified with using ammonium sulfate and CM-cellulose column chromatography, respectively, and studied for its chemical properties. The disc gel electrophoresis showed one major and three minor bands for $(NH_4)_2SO_4$ extract and only one band showed after CM-cellulose chromatography. The optimum conditions for ficin activity was found to be pH 7.0 and $50^{\circ}C$. The amino acids composition of the purified ficin were 21.8% as acidic, 3.5% as basic and 74.7% as neutral amino acids. The amino acids analysis indicated that the ficin was composed of 174 amino acids residue having molecular weight of 19,500.

  • PDF

Studies on the Chemical Synthesis of Aflatoxin-DNA Adduct (Aflatoxin-DNA Adduct의 화학합성에 관한 연구)

  • Choi, Sang-Kyung;Kim, Sung-Young;Kang, Jin-Soon;Chung, Duck-Hwa
    • Korean Journal of Food Science and Technology
    • /
    • v.24 no.4
    • /
    • pp.367-370
    • /
    • 1992
  • Aflatoxins are highly carcinogenic agents consistantly found as contaminants in human food supplies in many areas of the world and epidemiologically linked to incidence of human liver cancer. To examine the carcinogenic action of aflatoxin $B_1$, aflatoxin $B_1-DNA$ adducts were chemically synhtesized with the reaction of 20 mg calf thymus DNA, and 8 mg standard aflatoxin $B_1$. Since DNA molecule was too large for analysis, it was fragmented by acid hydrolysis and heat. The fragmented aflatoxin $B_1-DNA$ adducts were selectively concentrated by immunoaffinity column procedure and confirmed by HPLC method. The main component was aflatoxin $B_1-guanine$ adduct, which was quantatively measured as 5.2 mg aflatoxin $B_1$.

  • PDF

Evaluation of Operating Factors for the Continuous CO2 Fixation with a Photobioreactor (폐탄산가스 고정화를 위한 연속식 광반응기의 운전 인자 평가)

  • Shin, Hang-Sik;Chae, So-Ryong;Jang, Min-Young;Park, Bong-Sun
    • Journal of the Korea Organic Resources Recycling Association
    • /
    • v.8 no.2
    • /
    • pp.71-76
    • /
    • 2000
  • The biological carbon dioxide fixation using microalgae has been known as an effective carbon dioxide reduction technology. With many environmental factors influencing microalgal productivity, the desirable cultivation factors were investigated using a green alga, Euglena gracilis. It has the high protein and vitamin E to be used as fodder. In batch culture with a photobioreactor, initial pH, temperature, carbon dioxide concentration and light intensity in the optimum cultivation condition were 3.5, $27^{\circ}C$,5-10% and $520{\mu}mol/m^2/s$, respectively. After that, the optimum hydraulic retention time (HRT for the continuous cultivation was 4 days at carbon dioxide concentration of 10%. In this condition, the final dry cell weight was 1.2g/l.

  • PDF

Studies on the Lipid Components of Torreya nucifera Seed -I. Physico-Chemical Properties of the Seed Oil- (비자(榧子)의 지방질(脂肪質) 성분(成分)에 관한 연구(硏究) -제 1 보(濟 1 報) : 비자유(榧子油)의 물리화학적(物理化學的) 특성(特性)-)

  • Im, Hee-Soo;Yoon, Kwang-Ro;Chung, Dong-Hyo
    • Korean Journal of Food Science and Technology
    • /
    • v.12 no.4
    • /
    • pp.324-327
    • /
    • 1980
  • The seeds of Torreya nucifera, which were shown to contain high level of oil, were characterized to evaluate their possible utilization as oil source. Oil was extracted by compression from the seeds and its physico-chemical properties and, total fatty acid composition were determined. The results are summarized as follows: 1. Proximate components of the seeds were shown to be: moisture, 12.3% ; crude protein, 9.46%; crude fat, 54.29 %; fiber, 5.28 %; ash, 2.13%. 2. Physico-chemical characteristics of the seed oil were determined as follows: specific gravity 0.92, refractive index 1.470, iodine value 127, saponification value 182.2, acid value 9.5, ester value 172.7. 3. The major fatty acids of the total lipids were linoleic (46.77%), oleic (31.68%) and palmitic acid (6.92%).

  • PDF