• Title/Summary/Keyword: high fat/cholesterol diet

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Antioxidant Activity of Tea Made from Korean Mountain-Cultivated Ginseng Leaves and its Influence on Lipid Metabolism (장뇌삼 엽차의 항산화활성 및 지질대사에 미치는 영향)

  • Bae, Man-Jong;Kim, Soo-Jung;Ye, Eun-Ju;Nam, Hak-Sik;Park, Eun-Mi
    • Journal of the Korean Society of Food Culture
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    • v.24 no.1
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    • pp.77-83
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    • 2009
  • This study was conducted to investigate the chemical composition and biological function of tea made from mountain-cultivated ginseng leaves. The antioxidant activities of tea made from mountain-cultivated ginseng leaves were determined by measuring their electron-donating ability based on their DPPH and nitrite-scavenging ability. The electron-donating abilities of tea made from mountain-cultivated ginseng leaves (500 and 1,000 ppm) as determined by DPPH assay were 45.6 and 85.1%, respectively. The nitrite scavenging ability of tea made from mountain-cultivated ginseng leaves (500 and 1,000 ppm) at pH 6.0 were 32.8 and 51.4%, respectively. Furthermore, the nitrite scavenging activity increased in a dose-dependent manner at all pH values. The effects of tea made from mountain-cultivated ginseng leaves on Male Sprague-Dawley rats were also evaluated. To accomplish this, the rats were divided into three groups (A: normal diet group, B: high fat diet group and C: high fat diet supplemented with tea made from mountain-cultivated ginseng leaves group). The anti-obesity effects of tea made from mountain-cultivated ginseng leaves were then evaluated. The serum total lipid, total cholesterol and triglyceride contents in C group were lower than those of B group; however, these differences were not statistically significant. The HDL-cholesterol content was significantly higher in the C group than in the other groups. Taken together the results of this study suggest that tea made from mountain-cultivated ginseng leaves possesses antioxidant activity and improves lipid metabolism.

Alcohol-induced Hyperlipidemia Is Ameliorated by Orally Administered DWP208, a Sodium Succinate Form of ZYM201

  • Cho, Jae Youl;Choi, Jongwon;Park, Jae Gwang;Yi, Young-Su;Hossen, Muhammad Jahangir;Kim, Hyeongmin;Ro, Jieun;Cha, Bae Cheon;Yoo, Eun Sook;Kim, Jong-Hoon;Lee, Jaehwi
    • The Korean Journal of Physiology and Pharmacology
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    • v.18 no.6
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    • pp.469-474
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    • 2014
  • DWP208 is a sodium succinate form of ZYM-201 which is a triterpenoid glycoside isolated from Sanguisorba officinalis, a medicinal plant prescribed for various diseases, such as duodenal ulcers and bleeding in East Asian counties. We demonstrated that this compound is able to normalize the altered lipid metabolism induced by hyperglycemia and a high fat diet. In this study, we determined whether hyperlipidemic conditions induced with chronically treated alcohol can also be restored by DWP208. Similar to our previous results, orally administered DWP208 (1 to 10 mg/kg) also ameliorated the hyperlipidemia that was induced by alcohol. This compound reversed the alcohol-induced hyperlipidemia including (i) up-regulated hyperlipidemic parameters such as low-density lipoprotein (LDL), very low-density lipoprotein (VLDL), atherosclerotic index (AI), triglyceride, and total cholesterol, and (ii) down-regulated hyperlipidemic parameters such as absolute body weight, superoxide dismutase (SOD) activity, and high-density lipoprotein (HDL) in serum and liver. According to our data, the ameliorative activity of DWP208 is due to its indirect anti-oxidative activity as a result of which lipid peroxide and hydroxyl radical levels were reduced and the activity of SOD was enhanced. Therefore, our data strongly suggest that DWP208 can be used as a remedy against alcohol-induced hyperlipidemia.

Studies on the general analysis and antioxidant component analysis of Chenopodium album var. centrorubrum and biochemical analysis of blood of mice administered C. album (명아주의 일반성분, 항산화활성 분석 및 흰쥐의 혈중 생화학적 분석에 관한 연구)

  • Han, Kyoung-Sik;Jung, Tae-Hwan;Shin, Kyung-Ok
    • Korean Journal of Food Science and Technology
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    • v.51 no.5
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    • pp.492-498
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    • 2019
  • The purpose of this study was to develop new food materials by analyzing nutritional components and antioxidant activities of Chenopodium album var. centrorubrum. The highest amount of mineral obtained in C. album was found to be $1.01{\pm}0.07mg$ per 100 g of iron. The total phenolic content in C. album was found to be 3.77~9.57 GAE (gallic acid equivalent) mg/g. The reducing activities of leaves and roots of C. album determined using FRAP (ferric-reducing antioxidant power) were higher in ethanol extracts than water extracts. The ABTS radical scavenging activities of leaves and roots of C. album were $204.29{\pm}4.98{\mu}mol/g$ and $106.96{\pm}2.81{\mu}mol/g$, respectively. The DPPH radical scavenging activity was high upon extraction using ethanol (roots $20.71{\pm}0.04{\mu}mol/g$, leaves $71.08{\pm}0.33{\mu}mol/g$). HDL-cholesterol was significantly higher in the high fat diet groups supplemented with C. album than the control groups (p<0.05). These results suggest that C. album can be used as a natural antioxidant and a functional dietary supplement.

Anti-inflammatory Effect of Lactuca sativa L. Extract in Human Umbilical Vein Endothelial Cells and Improvement of Lipid Levels in Mice Fed a High-fat Diet (상추 추출물(Lactuca sativa L.)의 혈관내피세포에서 항염증 작용과 고지방 식이 생쥐에서 혈중 지질농도 개선에 미치는 영향)

  • Hwang-Bo, Jeon;Jang, Kyung Ok;Chung, Hayoung;Park, Jong-Hwa;Lee, Tae Hoon;Kim, Jiyoung;Chung, In Sik
    • The Korean Journal of Food And Nutrition
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    • v.29 no.6
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    • pp.998-1007
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    • 2016
  • The objective of this study was to investigate the effects of a lettuce (Lactuca sativa L.) extract on the inflammation of human umbilical vein endothelial cell (HUVEC) and blood lipid improvement in hypercholesterolemic mice fed a high cholesterol diet. The lettuce extract (100% ethanol extract) inhibited the expression of intercellular adhesion molecule-1 and vascular cell adhesion molecule-1 in HUVEC treated with tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$). The lettuce extract suppressed the adhesion of THP-1 to TNF-${\alpha}$-treated HUVEC. The lettuce extract decreased the TNF-${\alpha}$-stimulated production of proinflammatory cytokine interleukin-6, interleukin-8 and chemokine monocyte chemotactic protein 1. In hypercholesterolemic mice, the lettuce extract reduced serum total cholesterol, triglyceride, and low-density lipoprotein-cholesterol level, while the lettuce extract elevated high-density lipoprotein-cholesterol level, resulting in the decrease of atherogenic index and cardiac risk factor level. These results suggested that lettuce extract can be an useful resource to show an anti-inflammatory effect and improve lipid metabolism.

Alteration of Lipid Metabolism Related Proteins in Liver of High-Fat Fed Obese Mice (고지방식이 비만쥐의 지방관련 단백질의 변화)

  • Seo, Eun-Hui;Han, Ying;Park, So-Young;Koh, Hyong-Jong;Lee, Hye-Jeong
    • Journal of Life Science
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    • v.20 no.7
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    • pp.1019-1026
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    • 2010
  • Obesity and being overweight are strongly associated with the development of metabolic disease such as diabetes, hypertension, dyslipidemia. High-fat diet (HFD) is one of the most important factors which cause obesity. In this study, C57BL/6 mice were treated with a HFD for 22 weeks in order to induce obesity and hyperglycemia. Twenty-two weeks later, body weight and plasma glucose level of the HFD group were significantly increased, compared with the normal diet (ND) group. Intra-peritoneal glucose tolerance test (IPGTT) showed glucose intolerance in the HFD group compared with the ND group. These results confirmed that a HFD induced obesity and hyperglycemia in C57BL/6 mice. Plasma levels of triglyceride (TG) and total cholesterol (TC) were increased in the HFD group compared with the ND group. Hepatic levels of TG and TC were also increased by a HFD. To investigate the alteration of lipid metabolism in liver, proteins which are related to lipid metabolism were observed. Among lipid synthesis related enzymes, fatty acid synthase (FAS) and glycerol phosphate acyl transferase (GPAT) were significantly increased in the HFD group. Apolipoprotein B (apoB) and microsomal triglyceride transport protein (MTP), which are related to lipid transport, were significantly increased in the HFD group. Interestingly, protein level and phosphorylation of AMP-activated protein kinase (AMPK), which is known as a metabolic regulator, were significantly increased in the HFD group compared with the ND group. In the present study we suggest that HFD may physiologically increase the proteins which are related with lipid synthesis and lipid transport, but that HFD may paradoxically induce the activation of AMPK.

Effects of Fresh, Red and Black Garlic Powder on Lipid Metabolism of Obese Rats Induced by High Fat Diet (생마늘, 홍마늘 및 흑마늘 분말이 고지방 식이로 유도된 비만 흰쥐의 지질대사에 미치는 영향)

  • Kim, Ra-Jeong;Lee, Soo-Jung;Kim, Mi-Joo;Hwang, Cho-Rong;Kang, Jae-Ran;Jung, Woo-Jae;Sung, Nak-Ju
    • Journal of agriculture & life science
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    • v.44 no.6
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    • pp.159-170
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    • 2010
  • This study was aimed to evaluate the effects garlic such as fresh garlic powder (FGP), red garlic powder (RGP) and black garlic powder (BGP) by lyophilized, on serum lipid metabolism in obese rats induced high fat diet. Food efficiency ratio (FER) of the experimental groups was lower than the control group and it was significant difference. Total lipid content of serum decreased from 7.0 to 20.9% compared to the control group. Especially, triglyceride content decreased from 40.8% (BGP) to 42.1% (RGP) group as compared to the control group. There was no significant difference in HDL-C content between groups fed garlic powder and normal group. LDL-C contents of the experimental groups were lower than the control group, but has not showed significant diggerence compared to control group. Total lipid content was significantly increased in liver compared to the control group, but decreased over 30% in RGP and BGP groups to the control group. The lipid level in feces was increased by feeding periods of garlic powder, while total cholesterol and triglyceride were significantly increased in feces of RGP group. TBARS content in serum and liver of RGP and BGP groups was significantly decreased than the control group. Antioxidant activity of serum was 68.05% in the RGP group, which was significantly higher than the control group. From the above result, we suggested that red and black garlic powder were effective in the improvement of lipid level in obese rats induced high fat diet.

Weight Control and Cardiovascular Risk in Middle-Aged Women (중년여성의 체중관리 실태와 성인병 위험도)

  • Kim, Jeong-Ah;Chaung, Seung-Kyo
    • The Korean Journal of Rehabilitation Nursing
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    • v.7 no.1
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    • pp.33-47
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    • 2004
  • The purpose of this study was to investigate weight control practices and cardiovascular risk in middle-aged women. 304 middle-aged women were selected as subjects from thirties to fifthies living at J city in Chung-Buk Do. Data were collected using a questionnaire, anthropometric measurements, BP & total cholesterol level in serum from April 1, to June 30, 2003. The results of this study were as follows: The middle-aged woman's age is average $43.95{\pm}7.09yr$ and mean BMI(body mass index) was $23.54{\pm}3.09\;kg/m^2$. Underweight, normal weight, overweight, obese women were 3.0%, 39.5%, 27.9% and 29.6%respectively. Subjects perceived own as 'Slim' 5.9%, 'ordinary' 45.7%, 'Fat' 48.4%. Their weight perception coincide their own actual body weight but as many as 41.8% of overweight and 9.0% of obese perceived themselves as being 'ordinary'. Middle age women with past weight control experience were 55.6%, and only 35.5% was doing weight control at present. Of these subjects, 71.4% reported wanting to lose weight and the primary reason of weight control was to improve their appearance(39.53%). The most frequently reported weight control behavior was 'exercise' followed 'dieting', but 39.6% reported using 'diet food', 12.4% 'behavior modification', 12.4% 'fasting', and 'diet-drug'(3.6%) or 'smoking'(3.6%). Effective weight control methods were thought regular exercise(97.1%) & dieting (79.3%). And behavior modification(71.4%) or diet camp(60%) were effective, too. An average waist circumference was $79.80{\pm}9.47cm$, waist/hip ratio was $86.63{\pm}6.78$, waist/height ratio was $50.43{\pm}6.10$. In the index of abdominal obesity, 79.7 % of middle-aged women was waist/height ratio over 0.46, 65.3% was waist/hip ratio over 0.85, 28.4% was waist circumference over 85cm. There were significant differences in the degree of abdominal obesity according to age and BMI. In the index of cardiovascualr risk, 10.9% of middle aged women was systolic hypertension over 140mmHg, 18.7% was diastolic hypertension over 90mmHg and 10.6% was hypercholesterolemia over 200mg/dl. There was significant difference in systolic hypertension ratio according to age. There was significant difference in diastolic hypertension ratio according to age and obesity. There were significant differences in hypercholesterolemia accorting to obesity. The abdominal obesity indices and the levels of T-cholesterol in the serum, systolic and diastolic BP increased significantly according to age. T-cholesterol in serum was predicted 2.6% by waist/height ratio. And systolic BP was predicted 15.2% by waist/height, add BMI to 16.8%. Subject's diastolic BP was predicted 12.1% by BMI. Therefore waist/height ratio and BMI were significant factors for the predictors of cardiovascular risk. There was significant correlation between index of obesity and cardiovascular risk. T-cholesterol in serum had correlation with waist/eight ratio(r=0.174) and waist circumference(r=0.48). Systolic BP had correlation with waist/height ratio(r=0.387), and BMI(=0.371). diastolic BP correlation had correlation with BMI(r=0.343) and waist/height ratio(r=0.327). In conclusion, The prevalence of obesity was 29.6% in 304 cases, and increased as age after menopause increased. Middle-aged women's weight perception and actual BMI coincide but some of them did not. Trial to reduce weight was attempted. But most of them did not actually. Undesirable weight control method such as using drugs, fasting, smoking was used by some women. It is important to educate about health weight control methods and raise their awareness of exact body figures. High frequency of abdominal obesity in middle-aged women had correlation with hypertension and hypercholesterolemia. Abdominal index such as waist/height ratio, waist circumference, waist/hip ratio was used. Women's hypertension, hypercholesterolemia significantly related to body mass index and abdominal obesity.

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Effects of Fermented Turmeric (Curcuma longa) by Bacillus natto Supplementation on Liver Function and Serum Lipid Parameters in Mice (낫토균으로 발효한 발효울금의 투여가 마우스의 간 기능 및 혈중 지질 함량에 미치는 영향)

  • Kang, Jae-Ku;Kang, Hyo-Jin;Seo, Ji-Hye;Kim, Sun-Ok;Choi, Jung-Hyo;Cho, Do-Yeun;Park, Chang-Gyo;Lee, Hoi-Young
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.38 no.4
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    • pp.430-435
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    • 2009
  • The effects of turmeric and fermented turmeric by Bacillus natto on antioxidant activities, liver function recovery of acute hepatotoxicity mice, and serum lipid parameters in high fat diet fed mice were investigated. In the results of antioxidant activity by DPPH method, fermented turmeric had higher antioxidative activity than turmeric. Acute hepatotoxicity was induced by 0.5 mL of carbon tetrachloride ($CCl_4$) per kg of mice. Unlike turmeric, fermented turmeric significantly reduced the levels of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) after 5 days compared to the controls with 0.5% methyl cellulose (p<0.05). In addition, higher recovery of liver damage by $CCl_4$ was observed in mice with fermented turmeric than with turmeric. High fat (20%) diet fed mice were divided into 4 groups to investigate the effects of turmeric and fermented turmeric on serum lipid parameters: C (vehicle), TuL (low dose (80 mg/kg) with turmeric), TuH (high dose (160 mg/kg) with turmeric), FTuL (low dose with fermented turmeric), and FTuH (high dose with fermented turmeric). The levels of LDL-cholesterol and HDL-cholesterol were significantly reduced and increased in FTuL, FTuH and TuH groups compared to the C group, respectively. However, there was no significant change in triglyceride levels by either turmeric or fermented turmeric compared to those by control. Collectively, these results strongly suggest that fermented turmeric by Bacillus natto could be used as a functional food for enhancement of health with better consumer acceptance.

Effect of Spirodela polyrhiza on Antioxidant Activity in Diet-induced Obese Rats (고지방 및 고콜레스테롤 식이로 유도 된 비만 쥐에서 부평초의 간 조직에서의 항산화 활성에 미치는 영향)

  • Song, Won-Yeong;Choi, Jeong-Hwa
    • Journal of Life Science
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    • v.31 no.5
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    • pp.488-495
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    • 2021
  • The aim of this study was to investigate the possible antioxidant effect of Spirodela polyrhiza (SP) on rats fed a high fat and high cholesterol diet supplemented with either 5% (SPA group) or 10% (SPB group) SP for 4 weeks. The hepatic SOD activity of the HF group significantly decreased compared to that of the N group, but that of the SPA and SPB groups significantly increased. The GPx activity of the SPA and SPB groups in the liver was significantly greater than that of the HF group, and the hepatic catalase activity of the SPA and SPB groups significantly increased compared to the HF group. The hepatic superoxide radical content of the mitochondria and microsomes of the HF group significantly increased compared to that of the N group, but the contents were reduced in the group that took SP powder. The hepatic hydrogen peroxide content in the cytosol and mitochondria of the SP powder group was lower than in the HF group. The carbonyl content in the mitochondria and microsomes of the SPA and SPB groups was significantly lower than in the HF group. The TBARS values in the liver significantly decreased in the SPA and SPB groups. Spirodela polyrhiza was thus effective in reducing oxidative stress by regulating the hepatic antioxidant enzymes and the free radicals in rats fed high fat and high cholesterol diets.

Food and Nutrient Intake Level by the Risk of Osteoporosis and Cardiovascular Disease in Postmenopausal Women: The use of the 5th Korean National Health and Nutrition Examination Surveys (2010-2011) (폐경 후 여성의 골다공증 및 심혈관계질환 위험도에 따른 영양소 및 식품섭취상태: 제5기 국민건강영양조사(2010-2011) 자료를 이용하여)

  • Kim, Hyobin;Kim, Heysook;Kwon, Oran;Park, Heejung
    • Korean Journal of Community Nutrition
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    • v.24 no.2
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    • pp.152-162
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    • 2019
  • Objectives: The purpose of this study was to investigate the food, nutrient intake, and diet quality of postmenopausal women at high risk of osteoporosis (OP) and cardiovascular disease (CVD) compared with those of control subjects. Methods: A total of 1,131 post-menopausal women aged over 45 years, who took the 2010-2011 Korean National Health and Nutrition Examination Survey (KNHANES), were included for analysis. These participants were classified into the following groups: the OP group, with a risk of OP (n=135); the CVD group, with a risk of CVD (n=373); the OP+CVD group, with a risk of OP and CVD concurrently (n=218); and the control group (n=405) according to bone mineral density (BMD) and CVD risk. Anthropometric measurements, blood profiles, dietary intake, and dietary quality indices were measured and compared among the four groups. Results: Waist circumference, total body fat percentage, blood pressure, fasting plasma glucose, total cholesterol, triglyceride, and LDL-cholesterol were higher, and HDL-cholesterol and BMD were lower in the OP+CVD group than in the control group. In the food frequency questionnaire, the OP+CVD group had significantly higher frequencies of grain (except for multi-grain) and lower frequencies of fruit and dairy product. The frequency of consumption of red meat, processed meat, and carbonated beverages was higher in OP+CVD group. In nutrient density analysis, proteins and vitamin $B_2$ levels were significantly lower in the OP+CVD group than in the control group. The nutritional quality index (INQ) values of calcium were in the order of 0.63, 0.58, 0.56, and 0.55 in each group, and it was urgent to improve the dietary intake for calcium in postmenopausal women. In addition, vitamin $B_2$ was inadequately consumed by all groups. Conclusions: These results suggest that it is necessary to increase the intake of vitamin $B_2$ and calcium and decrease the frequency of intake of red meat, processed meat, and carbonated beverages in postmenopausal women with the risk of OP and CVD.