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더덕 부위별, 첨가수준이 실험쥐의 항산화활성과 지질조성에 미치는 효과
오혜숙,원향례,Oh, Hae-Sook,Won, Hyang-Rye 한국식품영양과학회 2007 한국식품영양과학회지 Vol.36 No.9
본 연구는 더덕 육질과 더덕 껍질의 항산화 효과와 지질대사를 동물실험을 통해 확인하고자 6주령 된 Sprague Dawley 종 흰쥐 40마리를 대조군, 더덕 육질 2.5% 첨가군(LF), 더덕 육질 5% 첨가군(HF), 더덕 껍질 2.5% 첨가군(LS), 더덕 껍질 5% 첨가군(HS)의 총 5군으로 나누어 실험식이로 6주간 사육 후 혈액 및 간 microsome 내의 항산화효소 활성, 지질 과산화물과 지질 조성을 측정한 결과 혈액의 glutathione peroxidase 활성은 더덕 첨가군이 모두 높았으며 첨가 수준보다는 부위에 따른 차이를 보였고 혈액 glutathione reductase의 활성과 MDA(malondialdehyde) 생성량은 더덕 부위보다는 첨가 수준에 따른 차이를 보여 주었다. 간의 glutathione peroxidase 활성은 더덕 첨가 여부에 따라 항산화 활성의 차이를 보였으며 껍질의 경우 5% 첨가군이 더 높은 활성을 나타냈다. Glutathione reductase 활성은 더덕 육질 첨가군은 모두 대조군과 차이를 보이지 않았으나 더덕 껍질 첨가군은 5% 첨가군이 대조군에 비해 높게 나타났다. MDA 생성량은 대조군에 비해 더덕 첨가군에서 더덕 부위와 첨가 수준에 관계없이 모두 낮게 나타났다. 혈액의 총 콜레스테롤과 LDL-콜레스테롤은 더덕 육질이나 껍질을 첨가한 군이 대조군보다 유의하게 낮게 나타났다. 더덕 첨가의 수준과 더덕 부위에 따른 차이는 없었다. 혈액 HDL-콜레스테롤도 더덕 첨가의 수준에 따른 차이는 볼 수 없었으나 더덕 부위에 따른 차이, 즉 껍질보다는 육질을 첨가했을 때 HDL-콜레스테롤이 더 높게 나타났다. 간의 총콜레스테롤도 더덕 육질이나 껍질을 첨가한 군이 대조군보다 유의하게 낮게 나타났다. 더덕 첨가의 수준과 더덕 부위에 따른 차이는 없었다. 간의 중성지방은 5% 더덕 육질을 첨가한 군이 대조군보다 유의하게 낮게 나타났다.이 결과를 요약해 볼 때 흰쥐에서 더덕 껍질이나 더덕 육질 첨가 식이의 항산화 효과와 지질 조성의 개선 효과를 볼 수 있었다. 따라서 더덕 육질은 물론 껍질도 식품 내 첨가물로서, 혹은 다른 약용으로의 활용 가능성을 제시하고 있다. This study was conducted to examine antioxidative activity and lipid composition from different parts and supplement flesh and skin of Codonopsis lanceolata in vivo. Forty six-week-old white Sprague Dawley rats were divided into 5 groups and fed with experimental diet for six weeks to measure antioxidant enzymes activities and lipid composition in blood and liver microsome. The activity of glutathione peroxidase in blood was high in all groups supplemented with Condonopsis lanceolata and the difference was observed in accordance with the supplemented part rather than the supplemented level. However, glutathione reductase activity and the content of malondialdehyde (MDA) in blood showed difference depending on the level of supplementation rather than the supplemented part. The content of liver MDA in all groups supplemented with Condonopsis lanceolata was lower than that in the control group. As the level of skin supplementation increased, an increase in glutathione peroxidase activity was also observed. Only in the group that 5% of Condonopsis lanceolata skin was supplemented, the glutathione reductase activity was higher than in the control group. Total cholesterol and LDL-cholesterol of blood in the group supplemented with Condonopsis lanceolata flesh or skin were significantly lower than those in control group. HDL-cholesterol in blood was high when the flesh of Condonopsis lanceolata was supplemented. Total cholesterol and triglyceride in liver of the group supplemented with Condonopsis lanceolata flesh or skin were significantly lower than those in control group. In summary, this animal test showed that the supplementation of Condonopsis lanceolata, flesh or skin, generally improved the antioxidative effect of diet and lipid composition.
한국인의 버섯과 버섯음식의 이용실태 및 인식에 관한 연구
오혜숙,박희옥,윤선,Oh, Hae-Sook,Park, Hee-Ok,Yoon, Sun 대한지역사회영양학회 2002 대한지역사회영양학회지 Vol.7 No.2
This study was carried out to examine Koreans preference in mushrooms, their nutritional knowledge of mushrooms as a source of Vitamin D, and five characteristics of six dishes consisting of common dishes and mushroom dishes. The data were collected from 2,777 subjects in various age ranges by means of a survey questionnaire. Variables, such as age, gender, diet quality and the degree of interest in diet were significant factors considered in relation to preference of mushrooms. Adults ate mushrooms because of their healthfulness, but this attibute was not a factor among adolescent students. The level of nutritional knowledge was relatively low and the ratio of "do not know" responses was higher than the ratio of "yes" or "no" . Generally, housewives, elementary school children and those who were healthy, ate floods because of health consciousness, and those who preferred mushrooms had better dietary habits. The characteristics of mushroom dishes, both as main and side dishes, had much more correlation with the factors considered for the subjects than the common dishes and one dish meals, respectively. Dietary altitudes, such as mushroom preference, frequency of mushroom intake and level of nutritional knowledge, were strongly correlated with the characteristics of the six dishes. It has been shown that mushroom dishes were recognized as nutritional, rather than delicious.