• Title/Summary/Keyword: 참깨유

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Changes of Volatile Flavor Compounds in Sesame Oils during Industrial Process (가공공정에 따른 참기름 휘발성 향기성분의 변화)

  • Kim, Hyeon-Wee;Choi, Chun-Un;Woo, Sun-Ja
    • Korean Journal of Food Science and Technology
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    • v.30 no.4
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    • pp.739-744
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    • 1998
  • Changes of volatile flavor compounds in sesame oil during industrial process (roasting temp. $225{\pm}2^{\circ}C$, roasting time 15 min) were investigated. Total volatile flavor compounds of 1 st expressed oil from roasted sesame seeds were 536.3 ppm, and those of 2nd expressed oil from sesame seed cake, residue of 1st expression, were 266.8 ppm. Those of 1st filtered oil, fixed oil and 2nd filtered oil were 472.2 ppm, 472.4 ppm and 443.0 ppm, respectively. Volatile flavor compounds were gradually decreased during processing. Top notes $(peak{\;}No.1{\sim}26)$ playing an important role in the aromatic character of sesame oil, of 2nd expressed oil were markedly reduced (70.67% of initial content). Especially pyrazine compounds showed the largest reduction in 2nd expressed oil. Total volatile flavor compounds of fixed oil, filtered oil were reduced slightly.

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Organic Residues Analysis of Oil Bottle of Goryeo Dynasty Excavated from the Soejeoul Site, Geumneung-dong, Chungju (충주 금릉동 쇠저울유적 출토 고려시대 유병의 유기물 분석)

  • Yun, Eun Young;Kim, Suyeon
    • Journal of Conservation Science
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    • v.37 no.6
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    • pp.638-647
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    • 2021
  • Organic residues are substances derived from diverse natural sources. Recent scientific analysis of organic residues has yielded important information in restoring the lifestyles of ancient peoples. In this study, the organic material contained within the celadon oil bottle of the Goryeo dynasty, excavated from the Soejoul site in Geumneung-dong, Chungju, was analyzed using Fourier-transform infrared spectroscopy (FT-IR) and gas chromatograph-mass spectrometer (GC-MS). The results showed that the organic materials in the bottle were plant-derived oils. In particular, polyunsaturated fatty acids and phytosterols were detected using GC-MS analysis. Sesamin components were also identified. Sesamin, which is a characteristic component of sesame seeds, is a lignan and an antioxidant. As the organic residues in the oil bottle were derived from sesame seeds, it is presumed that sesame oil was stored in the bottle.

Studies on the effects of culture filtrates of sesame-wilt organism(Fusarium oxysprum f. vasinfectum) on the germination of sesame seeds and the growth of sesame seedlings (참깨$\cdot$시들음병균(Fusarium oxysporum)의 배양여액이 참깨의 종자발아 및 유묘기의 생육에 미치는 영향)

  • PARK Jong Seong
    • Korean journal of applied entomology
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    • v.1
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    • pp.3-10
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    • 1962
  • 1) The purpose of the present study is to investigate the effects of culture filtrates of Fusarium oxysporum f. vasinfectum which is known to produce fusaric acid (wilt toxin) on the germination of sesame seeds and the growth of sesame seedlings. 2) Culture filtrates of Fusarium oxysporum 1. vasinfectum used in this study strongly or weakly inhibited the germination and bring about necrosis accompanying black discoloration of sesame seeds. 3) Varietal difference of sesame in the germination response on the culture filtrates of Fnsarium oxysporum f. vasinfectum is not shown in this study. 4) This study reveals that differential five strains of Fnsarium oxysoprum f. vasinfectum used in this study differ greatly in the toxicity of culture filtrates inhibiting the germination of sesame seeds. 5) In the seedling bed added with culture filtrates of Fnsarium oxysporum f. vasinfectum, the growth of shoot as well as root system of sesame seedlings are notably inhibited and necrotic black discoloration appear on both shoot and root system. But in the seedling beds added with weaker concentration of culture filtrates $/(10\%)$ the growth of shoot is slightly promoted. 6) In culture of sesame seedlings with Knop's solution containing 1 to 3 per cent culture filtrates, the growth of shoot as well as root system are slightly retarded" and till the time of development of the third leaves the whole stem and leaf petiole tissue are weakened so that they become thread like accompanying brown discoloration, interveinal light brown area appear in the second leaves, and the third leaves curl from both sides towards the middle with necrotic brown discoloration, especially symptoms of injury on the third leaves are nearly similar that of the leaves of wilted sesame in the field. 7) A pararell relationship is not found between toxicity of culture filtrates and pathogenicity of five differential strains of Fnsarium oxysporum f. vasinfectum used in this study.

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The Changes of Erythrocyte Feature and Ca Concentration in Rat Fed the Diet Containing Different Common Oils in Korea : Sesame Oil, Perilla Oil, Rice Bran Oil and Mixed Oil (급원이 다른 식이 지방이 흰쥐의 적혈구 성상 및 Ca 함량에 미치는 영향 -참깨유, 들깨유, 미강유 중심으로-)

  • 김숙희
    • Journal of Nutrition and Health
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    • v.26 no.5
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    • pp.524-531
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    • 1993
  • In this experiment, we investigated the changes of erythrocyte feature and Ca concentration in rat fed the diet containing different common oils in Korea for different feeding periods(4 weeks or 12 weeks), using Korea sesame oil, perilla oil, rice bran oil and mixed oil. W-3/w-6 ratio of each group was 0.001, 1.44, 0.03 and 0.112, respectively. P/S ratio of each group was 9.64, 10.49, 5.58 and 1.68, respectively. Perilla oil(w-3 rich) increased w-3/w-6 ratio of erythrocyte membrane, decreased the amount of trapped Ca and inhibited the decrease of cell volume. These results indicate that in maybe increase erythroyte fluidity and deformability, and affect erythrocyte function. In conclusion, w-3 rich perilla oil affects erythrocyte feature.

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Breeding of Sesame (Sesamum indicum L.) for Oil Quality Improvement 1. Study on the evaluation of oil quality and the differences of fatty acid composition between varieties in sesame (참깨 품질 개량에 관한 연구 제1보 참깨 유질평가와 지방산조성의 품질간 차이)

  • ;Jung-Il Lee
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.25 no.1
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    • pp.54-65
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    • 1980
  • The 165 collections originated from domestic and foreign countries were tested to evaluate the fatty acid composition of sesame for using as a basic research for oil quality improvement. The Korean and American varieties were lower content in saturated fatty acid and higher especially in unsaturated fatty acids (Oleic and Linoleic acid) than those of other regions. Varieties from temperate areas were higher in unsaturated fatty acid than that of varieties from tropical areas. On the other hand, the varieties which were late matured and had yellow seed coat color and set three capsules showed higher in unsaturated fatty acids than those of early matured, white seed coat and one capsules. Since there was significantly negative correlation between unsaturated fatty acid and saturated fatty acid contents, it was possible to improve the fatty acid composition of sesame.

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Quantification and Physicochemical Properties of Grape Seed Lipids (포도씨 지방질의 분획정량과 이화학적 특성)

  • Lee, Seon-Hwa;Kim, Jong-Bum;Kang, Han-Chul
    • Applied Biological Chemistry
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    • v.44 no.3
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    • pp.173-178
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    • 2001
  • This study was carried out to analyse the nutrient composition of grape seeds and to assess as a plant oil source. Mean values of nutrient contents were as follows: moisture 10.1%, crude protein 11.7%, crude fat 29.7%, crude ash 2.53%, total sugar 4.38 ${\mu}g/mg$, and reducing sugar 3.96 ${\mu}g/mg$. Linoleic acid was the most prominent fatty acid, showing 66.15%, and followed by oleic acid > palmitic acid > stearic acid. Mean contents of neutral-, glyco-and phospholipids were 85.4%, 6.50%, and 8.06%, respectively. Mean saponification value of crude fat was 187.5, showing elevated value than that of perilla oil. Antioxidative capacity of grape seed oil was marked by 12 and 50% higher values than those of perilla or sesame oils. Regardless of storage conditions, grape seed oil showed more lowered P.O.V than perilla and sesame oils. P.O.V of grape seed oil treated at $150^{\circ}C$ showed a lower value than those of perilla and sesame oils. The stability against oxidation may be related with the antioxidant substances contained in the grape seeds.

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