• Title/Summary/Keyword: food life

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Screening of New Antibiotics Inhibiting Bacterial Peptide deformylase (PDF)

  • Kim, Hyun-Joo;Seol, Min-Jung;Park, Hee-Soo;Lee, Jong-Kook;Choi, Soo-Young;Kwak, Jin-Hwan
    • Proceedings of the PSK Conference
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    • 2003.10b
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    • pp.163.4-164
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    • 2003
  • Peptide deformylase (PDF) is essential and unique to bacteria for cytoplasmic protein synthesis, but not required in eukaryotes, thus making it an attractive target for the discovery of novel antibacterial drugs. Protein synthesis in eubacteria, under normal conditions, is initiated by formyl-methionyl-tRNA. PDF removes the formyl-group of N- formylmethionine of newly synthesized polypeptides to produce a mature protein. In this study, a pdf gene from Staphylococcus aureus 6538p was cloned in pET-14b vector and transformed in Escherichia coli BL21 (DE3). (omitted)

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A Study of North Korea's Dietary Life through Joseon Nyeoseong - Focus on dietary life articles from 1999 to 2017 - (『조선녀성』을 통해 본 북한의 식생활 연구 - 1999~2017년 식생활 관련 기사를 중심으로 -)

  • Choi, Eun Kyoung;Cho, Mi Sook
    • Journal of the Korean Society of Food Culture
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    • v.34 no.3
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    • pp.255-267
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    • 2019
  • This study was conducted to understand the dietary life of North Koreans by analyzing dietary life-related articles published in Joseon Nyeoseong, which is the only women's magazine in North Korea. This study employed content analysis of 769 articles from 1999 to 2017. The major findings of this study were as follows. Out of the 769 articles, 131 (17.0%) were about dietary culture, 541 (70.4%) were about the food and nutrition, and 97 (12.6%) were about food production. The articles emphasized ethnic food and North Koreans ingredients, spices, cooking methods, containers, and etiquette. A variety of foods and ingredients were used to maintain health, as well as to treat common illnesses and health problems. There were 173 recipes mentioned in the magazine, but no foreign food recipes. There were many dishes that could be preserved for a long time such as Kimchi and pickles. For food security, many vegetables and plant-eating animals such as rabbits were cultivated. Overall, the results indicate that North Korea has been maintaining its unique dietary life without being influenced by foreign countries.

Promises and Risks of Unsaturated Volatile Organic Compounds: Limonene, Pinene, and Isoprene

  • Jin, Kyong-Suk;Jun, Mi-Ra;Park, Min-Ji;Ok, Seon;Jeong, Jae-Han;Kang, Hye-Sook;Jo, Wan-Keun;Lim, Ho-Jin;Jeong, Woo-Sik
    • Food Science and Biotechnology
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    • v.17 no.3
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    • pp.447-456
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    • 2008
  • Limonene, pinene, and isoprene are abundant and ubiquitous volatile organic compounds (VOCs) which are found in various natural products and also produced from various manufacture processes. Limonene and pinene are major components of food additives and household products for enrichment of good flavors and elimination of malodors, and isoprene is a basal motif of monoterpenes such as limonene and pinene. They have shown many beneficial effects such as chemopreventive, chemotherapeutic, and antioxidant activities. Upon certain conditions, however, adverse effects of these compounds on human health have also been reported. Although they do not seem to have acute and severe toxicity to human, they can easily generate secondary organic aerosols (SOAs) when they react with oxygen and/or ozone, which have shown certain toxic effects on experimental animal models as well as on humans. Numerous household and scented products containing limonene, pinene, and isoprene are widely used in these days. However, biological consequences upon exposure to these products are largely unknown. The aim of this review is to summarize and analyze the current understanding on the biological effects of VOCs, in particular limonene, pinene, and isoprene, as well as their SOAs.

New Approaches to the Formation of the Food System in Modern Conditions

  • Kulaiets, Andrii;Kulayets, Mariia;Shynkaruk, Lidiia;Kendus, Daria;Gerashchenko, Mykyta
    • International Journal of Computer Science & Network Security
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    • v.22 no.10
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    • pp.51-56
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    • 2022
  • The main purpose of the article is to analyze the main approaches to the formation of the food system in modern conditions. The constant growth of the population, the increase in the level of use of natural resources against the background of a decrease in their reserves causes a number of risks for the food security of both a person and the country as a whole. The problem of the formation of food security has always remained at the center of scientific interests of both domestic and foreign researchers. In the context of globalization, this issue is considered as one of the key global problems in the system. Theoretical and metodological basis studia systematic approach to study of fundamental provisions of economic science regarding the formation of the food system. Based on the results of the study, the main approaches to the formation of the food system in modern conditions were characterized. The study has limitations associated with the lack of the ability to analyze the food system on the practical activities of a single socio-economic system.

An Analysis of Dietary Life Characteristics and Influence Factors of Korean Women (한국 여성의 먹거리 사회인식에 따른 식생활 특성)

  • An, Yun Sook;Chung, Hae Kyung;Kim, Heung Ju;Lee, Yoon Kyung
    • Human Ecology Research
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    • v.54 no.4
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    • pp.397-404
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    • 2016
  • This study analyze factors influencing the dietary life of Korean women. This study analyzed 653 women aged 19 (and over) in Korea using materials developed by Social Sciences Korea Food Sustainability Study Group in 2015. As a result, in dietary life characteristics, females with higher education in their 40s and 50s and with a high income level, married women, and women thinking are subjectively healthy and show a statistically significant difference compared to other groups. Next, a correlation analysis is conducted to examine the relationship between independent variables and dietary life. The results showed a positive relationship with all variables, and a high correlation in the sales recognition of homegrown products (r=.384), the recognition of a food environment (r=.349), the recognition of food welfare (r=.325), and the recognition of food safety (r=.322). Factors that influence dietary life are extracted and the causal relationship is verified through multiple regression analysis of which the dependent variable is dietary life. In a regression model of dietary life, the researcher finds the trend that explanation power increases by models that the variable group is added in an individual model ($R^2$ is changed from .090 to .215 and from .250 to .273). Subsequently, age, level of education, recognition about value of organic agricultural product, recognition about the sales of homegrown products, recognition of food environment, recognition of food safety, and recognition of food insecurity are factors that influence the dietary life of women.