Effects of the Feral Peach (Prunus persica Batsch var. davidiana Max) Extract on the Lipid Compositions and Blood Pressure Level in Spontaneously Hypertensive Rats

야생 돌복숭아(Prunus persica Batsch var. davidiana Max.) 추출액이 선천성 고혈압 흰쥐의 지질성분 및 혈압 저하에 미치는 영향

  • Kim, Han-Soo (School of Applied Life Science, Pusan National University)
  • 김한수 (부산대학교 생명응용과학부)
  • Published : 2006.12.01


The purpose of this study was to observe the effects of the feeding physiological activity substance in feral peach(Prunus Persica Batsch var. davidiana Max.) extract intake on the improvement of the lipid compositions, apolipoprotein and blood pressure level in spontaneously hypertensive rats(SHR, Wistar strain, male) fed the experimental diets for 33 days. Concentrations of total cholesterol, triglyceride(TG), LDL-cholesterol, free cholesterol and atherosclerotic index in serum were significantly lower in the feral peach extract intake groups[groups 5g% Ex.(basal diet+feral peach 5.0g% extract), 10g% Ex.(basal diet+feral peach 10.0g% extract)] than those in the group Control(basal diet+water). In the ratio of HDL-cholesterol concentration to total cholesterol and HDL-cholesterol concentration, feral peach 5.0g%, 10.0g% extract intake groups(group 5g% Ex. and 10g% Ex.) were higher percentage than in the group Control. However, concentrations of total cholesterol and TC in liver and brain were significantly lower in the groups 5g% Ex. and 10g% Ex. than those in the group Control. But the concentrations of apolipoprotein (Apo) A-I and Apo A-II in serum were significantly higher in the feral peach 5.0g% and 10.0g% extract intake groups(5g% Ex. and 10g% Ex.) than in the control group. However, concentrations of Apo C-II, Apo C-III, Apo E and ratio of Apo B to Apo A-I in serum were fairly reduced in the groups 5g% Ex. and 10g% Ex. than in the control group. The levels of systolic and diastolic blood pressure were significantly lower in feral peach 5g% Ex. and 10g% Ex. groups than control group. However, no significance was found in the effect of among the groups(groups 5g% Ex. and 10g% Ex.). From these results, physiological activity substance in feral peach(Prunus persica Batsch var. davidiana Max.) extracts were effective on the improvement of the lipid compositions and cardiovascular heart disease, hypertension in spontaneously hypertensive rats. And particularly, feral peach extracts were more effective as a therapeutic regimen for the control of blood pressure in hypertension.

야생 돌복숭아(Prunus persica Batsch var. davidiana Max.)의 생리활성 추출물질이 선천성 고혈압 흰쥐(SHR)의 지질대사 이상 및 고혈압 예방과 개선효과 등에 생리생화학적 효능이 있을 것으로 추정되어 Wistar 계 수컷 SHR을 사용하여, 기본식이와 물만을 급여한 대조군인 Control군과 SHR에 돌복숭아 5.0g% 추출액을 급여한 군(5g% Ex.군) 및 SHR에 돌복숭아 10.0g% 추출액을 섭취시킨 10g% Ex.군을 33일간 실험 사육하여 혈청 지질성분 및 혈압 저하 효과를 생리적 측면에서 검토하기 위하여 본 실험을 수행하였다. 혈청 중의 총 콜레스테롤 농도, 중성지방, LDL-콜레스테롤, 유리 콜레스테롤 및 동맥경화지수 등에서 돌복숭아 생리활성물질 5.0g%, 10.0g% 추출액을 섭취시킴으로서 유의적인 농도 등의 감소 효과를 보였으며, HDL-콜레스테롤 농도 및 총 콜레스테롤에 대한 HDL-콜레스테롤 비는 상승되는 것으로 나타났다. 한편, 간장 및 뇌 중의 총 콜레스테롤, 중성지방 농도는 돌복숭아 5.0g%, 10.0g% 추출액을 섭취시킨 군에서 감소되는 것으로 나타났다. 반면, 혈청 apolipoprotein(Apo) A-I, Apo A-II 농도 등은 돌복숭아 5.0g%, 10.0g% 추출액을 섭취시킨 군에서 유의적으로 증가되는 것으로 나타났다. 또한 Apo C-II, Apo C-III, Apo E 및 Apo A-I에 대한 Apo B의 농도 비는 감소되었으며, 혈압의 변화는 SHR에 돌복숭아 5.0g% 및 10.0g% 추출액을 섭취시킴으로서 혈압이 저하됨을 관찰할 수가 있었다. 돌복숭아 5.0g% 농도(5g% Ex.군)와 10.0g% 농도(10g% Ex.군)의 추출액 섭취에 따른 두 군간에 각종 지질성분과 apolipoprotein 분획 농도 및 혈압 변화의 비교는 유의적인 차이는 없었다 따라서 야생 돌복숭아 중의 생리활성물질 추출액 섭취가 선천성 고혈압 흰쥐에 대한 혈청 지질개선 및 심장순환기계 질환, 고혈압의 예방과 치료개선에 효과가 있을 것으로 생각된다.



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