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김옥찬,장희진,나도영,박준영 한국농화학회 1990 Applied Biological Chemistry (Appl Biol Chem) Vol.33 No.2
The volatile components of the barks of Eucammia ulmoides Oliver were extracts simutaneous steam distillation-extraction apparatus, and analyzed by combined GC and GC-MS. Forty nine componets, including 4 acids, 11 alcohols, 9 aldehydes, 4 esters, 3 ketones, 16 hydrocarbons, 1 lactone were confirmed in Eucommiae cortexs. Among total volatiles the most component was caproic acid comprising about 18.1%.
金玉燦,李文壽 건국대학교 1979 論文集 Vol.9 No.1
In order to investigate chemical componets and minerals of edible mushrooms in Korea. Measurements were made using the techniques of Atomic Absorption Spectrophotometry. The results could be summarized as follows; Moissture contents of mushrooms were 6.0-11. 5% and crude ash were 5.8-9.2g/100g (dry base) The contents of K, Mg, Na, Fe, Ca, 7u, and Zn were 775-3250, 90.0-225.0, 9.5-205.0, 7.5-242.0, 2.3-110.0, 0.8-40.0 and 5.0-22.5 mg/100g respectivelly in the various kinds of Auriculania judas(Fr) Qual and Gryophore esculents were in higher value than the other mushrooms. The Cr, Mn, Pb and Cd contents were trace or not detected in mushrooms.
청호 ( Artemisia apiaceae Herba ) 의 휘발성 성분
김옥찬(Ok Chan Kim),장희진(Hee Jin Jang) 한국응용생명화학회 1994 Applied Biological Chemistry (Appl Biol Chem) Vol.37 No.1
The essential oil of Artemisia apiaceae Hence was extracted by simultanous distillation-extraction and steam distillation and analyzed by GC and GC-MS. The oil content of Artemisia apiaceae Hance was 0.23% when extracted by steam distillation and 0.37% in case of simultaneous distillation-extraction and sensory analysis of the oil indicated camphorous and herbal characteristic notes. the experimental results confirmed the presence 34 volatile components, the major components were camphene, camphor borneol and caryophyllene. 5 fraction have a good aroma character among 11 fraction were seperated by using silicagel column chromatography. This can is used for the pharmaceutical industry because of amedical action.
오미자 ( Schizandra Chinensis Bullion ) 의 휘발성 성분
김옥찬(Ok Chan Kim),장희진(Hee Jin Jang) 한국응용생명화학회 1994 Applied Biological Chemistry (Appl Biol Chem) Vol.37 No.1
The essential oil of Schizandrae Fructus was extracted by simultanous distillation-extraction and steam distillation and analyzed by GC and GC-MS. The oil content of Schizandrae Frutus was 0.64% when extracted by steam distillation and 0.88% in case of simultanous distillation extraction and sensory analysis of the oil indicated woody, camphorous, spicy and sour characteristic notes. The experimental results confirmed the presence 47 volatile components, the major components were γ-terpinene, p-cymene, α-yangene and β-elemene. The oil was fractioned into ten fractions and 4 fraction of them have a good aroma character. The application of the oil showed the utilization possibility as flavoring materials for Korea tea.
β - Carotene 의 열분해에 의한 휘발성 화합물의 생성
박준영,김옥찬,김영회 한국농화학회 1986 Applied Biological Chemistry (Appl Biol Chem) Vol.29 No.3
Thermal degradation of β-carotene, major carotenoid present in cured tobacco leaves, were carried out at 400, 600, and 800℃ which are similar to temperatures existing in the combustion zones of cigarettes, and subsequent volatile degradation products were analyzed by combined gas chromatography-mass spectrometry. The volatile compounds identified from degradation products included 36 aromatic hydrocarbons, 10 β-iononerelated compounds which have trimethylcyclohexane ring, and 7 others. Of these, 37 compounds including β-cyclogeraniol had not been previously reported in the literature as thermal degradation products of β-carotene. The major compounds of degradation products at 400 and 600℃ were β-xylere, a-terpinene, β-cyclocitral, ionene (1,2,3,4-tetrahydro-1,1,6-trimethyl naphthalene), β-ionone, and dihydroactinidiolide. The major compounds at 800℃ were the above six compounds plus toluene.
쿠마린의 열분해에 관한 연구 (제1보) -질소기류, $500^{\circ}C$에서 쿠마린의 열분해산물 동정-
박준영,김옥찬,Park, Jun-Young,Kim, Ok-Chan 한국연초학회 1982 한국연초학회지 Vol.4 No.2
Coumarin was pyrolyzed at $500^{\circ}C$ in a stream of nitrogen. The pyrolyzates of coumarin were adsorbed on the activated charcoal and then eluded by carbon disulfide. The eluted pyrolyzates were identified using a gas chromatography/mass spectrometry. Benzene, toluene, phenylacetylene, styrene, benzofuran and naphthalene were detected from the pyrolyzates of coumarin on the basis of their mass spectra. The pyrolytic mechanism of coumarin was also discussed.
Glycyrrhizic acid 와 Glycyrrhetinic acid의 열분해에 관한 연구
이문수,김옥찬 한국연초학회 1986 한국연초학회지 Vol.8 No.2
The Pyrolytic behavior of glycyrrhizic acid and glycyrrhetini c acid, which are natural flavorants for manufactured cigarettes was observed to find its contribution to the smoke composition. Pyrolyzates of them at 800t were identified using a gas chromatography and a mass spectrometer. According to the analysis of the pyrolytic Products, 43 different compounds were identified Among them the aromatic hydrocarbon compounds were found to be the major products.
박준영,김옥찬,나도영,김용태,장희진,김영회 한국농화학회 1992 Applied Biological Chemistry (Appl Biol Chem) Vol.35 No.2
The essential oils from whole plant, flower, seed, stem and leaves of domestic chamomile were extracted by simultaneous distillation-extraction and analyzed by GC/ MSD/IRD and retention index matching. The experimental results revealed the presence of over 31 volatile components. Major components were chamazulene, bisabolol, bisabolol oxide A, B. The contents of these major components which possess the pharmacological effects were found to be flower(75.1%), seed(76.6%), stem and leaves(10.09%), whole plant (48.9%), respectively, in domestic chamoile oil, whereas found to be flower(49.2%) in foreign chamomile oil. These results suggest that the usefulness of domestic chamomile is promising because of high contents of these four major components which posses pharmacological effects.
김영회,김옥찬,이정일,양광규 한국연초학회 1988 한국연초학회지 Vol.10 No.2
The volitile compounds Produced from the Maillard reaction of D-glucose and DL-alanine or DL-$\alpha$-aminobutyric acid using water or propylene glycol as a reaction amdeum were analysed by gas chromatofiraphy and mass spectrometry. From two kinds of reaction products in water 18 compounds were identified. The major compounds in a reaction product of glucose with alanine were 5-hydroxy methyl-2-furfural, 2-acetyl pyrrole and 2-formyl-5-methyl pyrrole, and those in a reaction product of glucose with $\alpha$-aminobutyric acid were 2-ethyl crotonaldehyde and 2-methyl-3, 5-dihydroxy-4H-pyran-4-one including the above 3 compounds. From two kinds of reaction products in propylene glycol solution, 35 compounds were identified. The major compounds in a reaction product of glucose with alanine were alkyl pyraainef, 2-methyl furfuryl alcohol and 2-acetyl pyrrole, and those in a reaction product of glucose with $\alpha$-aminobutyric acid were propionaldehyde PGA, 2-ehtyl crotonaldehyde, 2-acetyl pyrrole and 2-acetyl-5-ethyl furan.