• Title/Summary/Keyword: 올리브

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Anti-microbial Activity Effects of Ozonized Olive Oil Against Bacteria and Candida albicans (오존화 올리브 오일의 세균과 Candida alicans에 대한 항미생물 활성 효과)

  • Chung, Kyung Tae;Kim, Byoung Woo
    • Journal of Life Science
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    • v.29 no.2
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    • pp.223-230
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    • 2019
  • Ozone is a gaseous molecule able to kill microorganisms, such as yeast, fungi, bacteria, and protozoa. However, ozone gas is unstable and cannot be used easily. In order to utilize ozone properly and efficiently, plant oil can be employed. Ozone reacts with C-C double bonds of fatty acids, converting to ozonized oil. In this reaction, ozonide is produced within fatty acids and the resulting ozonized oil has various biological functions. In this study, we showed that ozonized oil has antimicrobial activity against fungi and bacteria. To test the antimicrobial activity of ozonized oil, we produced ozonized olive oil. Ozonized olive oil was applied to Staphylococcus aureus, methicillin-resistant Staphylococcus aureus (MRSA), Staphylococcus epidermidis, Pseudomonas aeruginosa, Escherichia coli, and Candida albicans. Antimicrobial activity was assayed using the disk diffusion method following the National Committee for Clinical Laboratory Standards. Minimal inhibitory concentrations (MIC) were 0.25 mg for S. aureus, 0.5 mg for S. epidermidis, 3.0 mg for P. aeruginosa, and 1.0 mg for E. coli. Gram positive bacteria were more susceptible than Gram negative bacteria. We compared growth inhibition zones against S. aureus and MRSA, showing that the ozonized olive oil was more effective on MRSA than S. aureus. Furthermore, the ozonized olive oil killed C. albicans within an hour. These data suggested that ozonized olive oil could be an alternative drug for MRSA infection and could be utilized as a potent antimicrobial and antifungal substance.

클로즈업

  • Korean Bakers Association
    • 베이커리
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    • no.4 s.381
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    • pp.62-64
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    • 2000
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Implementing of Ozonated Olive Oil Manufacturing Device to Ensure Biocompatibility (생체 적합성이 확보를 위한 오존화 올리브오일 제조 장치 구현)

  • Duck-Sool Kim
    • Journal of the Institute of Convergence Signal Processing
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    • v.24 no.3
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    • pp.153-159
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    • 2023
  • As research results showed that ozonated olive oil has excellent therapeutic effects on skin diseases, attempts were made to develop cosmetics manufacturing technology using ozone. Ozone is harmful to the human body, so a separate facility must be prepared to manufacture ozonated olive oil as a cosmetic raw material. The manufacturing device developed in this study was designed as an optimized process for manufacturing cosmetics while ensuring the safety of workers involved in production. To verify the ozonated olive oil produced from the implemented device, a toxicity test was conducted on animals. After applying ozonated oil (high concentration) to the rabbit's back for 24 hours, mortality, general symptoms and symptoms were measured. A skin irritation evaluation was performed. As a result of the experiment, as a result of evaluating the test substance treatment area after a certain period of time, it was confirmed that no skin irritation was observed in all animals, confirming the safety of the ozonated oil production process and the safety of the product.

A Study on Korean Poetry Generation System Based on Artificial Intelligence (인공지능 기반 한국어 시 생성 시스템 개발 연구)

  • Myung-sun Kim;Woo-Hyuk Jung;Jihwan Woo
    • Information Systems Review
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    • v.25 no.3
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    • pp.43-57
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    • 2023
  • In this study, we developed an AI-based system to generate sentences that assist in creating Korean poetry. Instead of replacing the creative aspect of composition, which is considered a unique domain of humans, the focus was on generating foundational sentences to enhance human imagination efficiently. By conducting interviews with poets, the researchers extracted sentences from eight distinct datasets, enabling the generation of poetry across eight different genres. This study stands out for its innovation in developing a method for crafting literary works in Korean. Its significance lies in its potential to facilitate the creation of diverse literary forms such as essays, prose, or novels.

Composition Ratio Analysis of Transesterification Products of Olive Oil by Using Thin Layer Chromatography and Their Applicability to Cosmetics (올리브 오일의 에스터 교환반응 생성물의 TLC를 이용한 조성비 분석 및 화장품에의 응용가능성 평가)

  • Park, So Hyun;Shin, Hyuk Soo;Kim, A Rang;Jeong, Hyo Jin;Xuan, Song Hua;Hong, In Kee;Lee, Dae Bong;Park, Soo Nam
    • Applied Chemistry for Engineering
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    • v.29 no.3
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    • pp.342-349
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    • 2018
  • In this study, the physicochemical properties, emulsifying capacity, moisture content and cytotoxicity of the composite material produced by transesterification reactions of the olive oil (olive oil esters) were investigated for cosmetic applications. Olive oil esters with short (S) and long (L) reaction times were studied. From the TLC-image analysis, composition ratios of the olive oil esters S were found to be 5.2, 24.1, 46.4, and 21.9% for mono-, di-, tri-glyceride, and fatty acid ethyl ester, respectively. Those of the olive oil esters L were 4.1, 24.7, 40.6, and 28.8% for mono-, di-, tri-glyceride, and fatty acid ethyl ester, respectively. The iodine value, acid value, saponification value, unsaponified matter, refractive index, and specific gravity were determined and purity tests were also carried out and normalized to establish standards and testing methods for using olive oil esters in cosmetics. To evaluate their emulsifying capacities, the O/W emulsion was prepared without surfactants and the formation of the emulsified particles were confirmed. After 5 days of applying the olive oil esters to human skin, the skin moisture retention was improved by 13.1% from the initial state. For the evaluation of toxicity on human skin cells, the olive oil esters showed 90% or more of the cell viability at $0.2-200{\mu}g/mL$. These results suggested that olive oil esters can be applied as natural/non-toxic ingredients to cosmetics industries.