Anti-stress Effect of Lactic Acid Bacteria (Lactobacillus acidophilus, Pediococcus pentosaseus, Bifidobacterium longum SPM1205)

국문 초록 (Abstract)

이 연구의 목적은 유산균(LAB)의 항스트레스 효과를 알아보기 위함이다. 본 실험에서는 ICR 마우스에게 구속 스트레스를 가하면서 혼합유산균과 홍삼추출물을 경구투여 하였다. 5일간 Normal 그룹을 제외한 saline (control), LAB100, LAB200, RGE200에게 구속 스트레스를 주었다. 구속 스트레스를 가한 후에 ICR 마우스에게 ㎏당 100 ㎎ (3.0 × 10¹¹ CFU/g) 또는 200 ㎎ (3.0 × 10¹¹ CPU/g)의 혼합유산균(Lactobacillus acidophilus, Pediococcus pentosaseus, Bifidobacterium longum SPM1205)을 투여하였으며 대조물질로는 홍삼 추출물(Red ginseng extract) 200 ㎎ (홍삼추출물)/㎏ (마우스)을 투여하였다. 마지막 실험일에는 locomotor와 elevated plus-maze 실험을 통하여 마우스의 행동변화를 측정하였다. 그 결과, 혼합유산균을 투여한 그룹에서는 스트레스를 일부 억제하는 효과를 보였다. 특히 Elevated plus-maze 실험에서, 스트레스를 받은 마우스는 open zone에서보다 closed zone에서 더욱 많은 시간을 보냈다. 그렇지만 혼합유산균을 투여한 그룹에서는 open zone에서 더욱 오래 시간을 보냈으며 그 시간은 saline과 RGE200그룹에 비해서도 길었다. 그것은 또한 아무것도 처리하지 않은 Normal 그룹과도 비슷한 결과이다. 그리고 마우스의 분변에서 유산균수를 측정하였는데 스트레스를 가하고 혼합유산균은 투여하지 않은 saline 그룹에서는 유산균수가 감소했지만 혼합유산균을 투여한 LAB100, LAB200 그룹에서는 유산균수가 증가하였다.

목차 (Table of Contents)

• 요약
• INTRODUCTION
• MATERIALS AND METHODS
• RESULTS AND DISCUSSION
• REFERENCES

참고문헌 (Reference)

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