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高溫環境이 反芻家畜의 체온 및 혈장 Cortisol 농도에 미치는 影響
정태영,양영직,이상락,윤희섭,Chung, Tae-Young,Yang, Young-Jik,Lee, Sang-Rak,Yoon, Hee-Sup 한국축산환경학회 1995 축산시설환경학회지 Vol.1 No.1
Temperatures of blood and skin, respiratory rate and plasma cortisol concentration in sheep at a warm (average ambient temperature of $15.3^{\circ}C$) and a hot (average ambient temperature of $27.0^{\circ}C$ environment were measured to investigate the effect of hot environment on the physiological responses in ruminant. Temperatures of core, mean skin and mean body in sheep were tended to increase at day time and to decrease at night time at both warm and hot environment, while 24-hr average for those temperatures were significantly higher at hot environment than at warm environment (P<0.05). The calculated body heat content was higher in sheep at hot environment than at warm environment (P<0.05). Respiratory rate and plasma cortisol concentration had no significant differences between warm and hot environment, suggesting that sheep were not stress by the hot environment in this experiment. It is, therefore, suggested that sheep were well adopted to hot environment by increasing body heat content against heat stress.
Dental Plaque Streptococci가 생산하는 세포외 다당류에 관한 연구
정태영,Chung, Tai-Young 대한치과의사협회 1971 대한치과의사협회지 Vol.9 No.12
This report was concerned with the isolation and identification of bacterial flora in the human dental plaque and the dextransucrase activity of isolated species. The results were obtained as follows: 1. The bacterial flora, isolated from the human dental plaque, was identified as 3 species of resembling streptococci, Streptococcus salivarius strain SD-1, Streptococcus bacilli, Lactobacillus brevis strain SD-3, Lactobacillus acidophilus strain SD-2 and SD-7, resembling Staphylococcus sp, and one species of resembling Leuconostoc mesenteroides strain SD-6. 2. The dextransucrase activites of resembling Streptococcus mitis strain SD-9 and Streptococcus salivarius strain SD-1 were exhibited the highest among the isolated species of human dental plaque.
Constituents of the DRIED TOMATO FRUITS (Lycopersicon esculentum, Mi Soo)
정태영(Tae Yung Chung),早瀨文孝(Fumitaka Hayase),紘谷明沖(Akihiro Okitani),加藤博通(Hiromichi Kato) 한국식품영양과학회 1987 한국식품영양과학회지 Vol.16 No.3
건조 토마토의 향미성분과 관련있는 성분조성을 알고자 무기질, 당, 유리형 아미노산, 핵산 및 지질등의 불휘발성 성분을 분석 정량하였다.<br/> 회분의 주요성분은 칼륨, 칼슘 및 인이며, 카드뮴과 납은 극소량함유 되었고, 당류에서는 glucose와 fructose가 주성분이었으며, fructose가 glucose보다 약간 함량이 높았다.<br/> 총 유리 아미노산의 함량은 8322.5㎎%이였고, 주요 아미노산은 asparagine, aspartic acid, urea, glutamic acid, β-alanine 및 γ-aminobutyric acid로서, 총 유리 아미노산의 58.01%를 차지하였다.<br/> 핵산과 관계되는 물질은 CMP, UMP, GMP 및 IMP였으며, 이중 CMP가 전체의 약 58.07%로서 가장 함량이 높았고, IMP가 가장 낮은 함량을 보였다.<br/> 총지질로 부터 얻어진 검화물 중의 지방산의 주성분은 C_(18:2), C_(18:1), C_(16:0)이었으며, 불검화물중의 주요성분은 stigmasterol 및 β-sitosterol 이었다. For surveying of constituents concerning the flavor of the dried tomato fruits, nonvolatile components such as minerals, sugars, free amino acids, nucleotides and lipids were analyzed and determined.<br/> Potassium, calcium and phosphorus were the major constituents of ashes, but trace amounts of cadmium and lead were determined.<br/> Glucose and fructose were the major constituents in sugars, and the latter slightly showed higher value than the former.<br/> The content of total free amino acids was 8322.5㎎%, and that of the major components such as asparagine, aspartic acid, urea, glutamic acid, ß-alanine and γ-aminobuthyric acid showed 58.01 % to the total amount.<br/> The nucleotides were composed of CMP, UMP, GMP and IMP, and CMP among them showed the highest value as about 58.07% to the total amount. On the other hand, IMP showed the lowest one.<br/> The major components of the total fatty acids from the saponifiable fraction in the lipids were C_(18:2), C_(18:1) and C_(16:0), and those of the total sterols from unsaponifiable one were stigmasterol and ß-sitosterol.