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Effect of Vegetable Juice Supplementation on Serum Lipid Profile and Antioxidant Activity in College Women
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Ji Yeon Kang, Soo Yeon Kim, Min Sook Lee, Hong Seok Ahn
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Korean J Community Nutr 2005;10(2):183-188. Published online April 30, 2005
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- The aim of this study was to assess the effect of 6-week vegetable juice supplementation (360 ml/day) on serum lipid profiles and antioxidant activity in college women. Twenty women (mean age: 21) with normal life style and dietary pattern and who are free of any specific diseases were recruited among the student in S women's university. The subjects consumed vegetable juice to take part in an uncontrolled clinical trial for a 6-week intervention period. While there was no difference in the concentration of total cholesterol and HDL-cholesterol, serum concentrations of TG and HDL/LDL ratio were significantly reduced by 22% (p = 0.013) and 6% (p = 0.007) respectively. Significant decrease in malondialdehyde (p = 0.000) was accompanied by an increase in the activity of serum antioxidant enzymes, such as GSHPx (p = 0.000), SOD (p = 0.007). It was also found that total antioxidant status was improved by 5.4% (p = 0.009). Serum parameters were all changed without affecting body mass index, waist and hip circumferences, or nutrient intakes after six week of supplementation. This study demonstrated that the supplementation regular meals with vegetable juice can favorably affect serum lipid profiles and antioxidant systems, and hence could contribute to reduce the risks of chronic diseases in college women.
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Retinol, beta-Carotene, and alpha-Tocopherol Concentrations in Maternal-Umbilical Cord Plasma and Their Relationships to Pregnancy Outcome
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Geum Ju Lee, Min Sook Lee, Hong Seok Ahn
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Korean J Community Nutr 2004;9(2):151-160. Published online April 30, 2004
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- The purpose of this study was to evaluate the intake of antioxidant vitamins and plasma concentrations of those in 60 maternal-infant pairs (30 in normal term delivery group, NT; 30 in preterm delivery group, PT). We also investigated the relationship between vitamin levels of maternal-umbilical cord plasma and pregnancy outcome. Mean energy intakes of NT and PT pregnant women were 93.2% and 85.4%, and their protein intakes were 113.3% and 110.9 % of the recommended dietary allowance (RDA), respectively. While vitamin A intakes were only 51.2% and 39.6% of the RDA in NT and PT pregnant women. The vitamin E intake was about 50% of the RDA (NT 6.27 mg, PT 7.78 mg). The levels of retinol in maternal plasma of NT and PT were 1.51 micronmol/l and 1.43 micronmol/l, respectively. The retinol levels in umbilical cord plasma in NT and PT were 0.72 micronmol/l and 0.61 micronmol/l, respectively. The level of beta-carotene in maternal plasma of NT was 0.49 micronmol/l, significantly (p < 0.01) higher than that of PT (0.31 micronmol/l). The beta-carotene of umbilical cord plasma of NT and PT were 0.02 micronmol/l and 0.01 micronmol/l, respectively. The plasma alpha- tocopherol of maternal of NT and PT were 29.51 micronmol/l and 27.17 micronmol/l, respectively. The alpha-tocopherol of umbilical cord plasma of NT and PT were 4.16 micronmol/l and 3.80 micronmol/l, respectively. The antioxidant vitamin levels retinol, beta-carotene, and alpha-tocopherol) in maternal plasma were significantly higher (p < 0.0001) than those in umbilical cord plasma. However, there was no correlation between the vitamin levels in maternal plasma and those in umbilical cord plasma. The maternal plasma beta-carotene level showed a positive correlation to gestational age. Also Apgar score at 1 min produced a positive correlation to maternal plasma beta-carotene level.
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The Effects of Programmed Dietary System of a Mixture of Natural Supplements on the Composition, Serum Lipids and the Leptin Levels
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Sung Hee Lee, Jae Min Cho, Min Sook Lee, Byung Nam Cho, Sang Sup Jew, Yang Hee Cho, Kyung Tack Kim, Dong Kyu Jin, Sook Nyung Rho
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Korean J Community Nutr 2003;8(3):356-367. Published online June 30, 2003
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- This study was to investigate the effects of a silk peptide, and prune and raspberry mixture on the body fat, serum lipid composition and fat distribution in Korean women during the time they received these supplements. During the 4 month period of this research (June to October, 2002), 75 women (average age 22.9 yr) were selected as subjects. Their nutrient intake was investigated by use of a questionnaire and the 24-hour recall method. Antropometric assessments of the subjects were investigated by using the SBIA Method (Segmental Bioimpedance Assay, Inbody 3.0). The results were as follows: their mean body weight was 59.3 kg, their mean body height was 161.7 cm and their mean Basal Metabolic Indices (BMI) was 22.7. The status of their dietary fiber intake significantly increased (p<0.05) after use of the supplements. Their body fat significantly decreased following the 3rd stage of supplementation (p<0.05), and their percent of body fat signiflcantly decreased after supplementation (p<0.05). Their triceps and suprailiac circumference significantly decreased following the 3rd stage of supplementation (p<0.05). Their waist circumferences and waist-hip ratios (WHR) significantly decreased after both the 2nd and 3rd stage of supplementation (p<0.05). Their total cholesterol significantly decreased following the 3rd stage of supplementation, as compared to their baseline results and those obtained following the 1st stage of supplementation (p<0.05). Their LDL-cholesterol and LDL/HDL ratios significantly decreased following the 3rd stage of supplementation, as compared to their baseline results and those obtained following the 1st stage of supplementation (p<0.05). Their 4-HNE and total antioxidant statuses significantly decreased following the 2nd and 3rd stage of supplementation, as compared to their baseline results and those obtained following the 1st stage of supplementation (p<0.05). Their 2nd stage supplementation results were significantly negatively correlated with their triceps measurements and WHR (p<0.05). Their 3rd stage supplementation results were significantly negatively correlated with their anterior thigh measurements (p<0.05). The above results show that prune, raspberry, silk peptide and dietary fiber supplementation to a routine diet improves body fat distribution, total cholesterol, and triglyceride levels. The decrease of abdominal fat and WHR were especially noteworthy. This implies a decrease of risk factors.
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Iron Status Indices of Maternal, Umbilical Cord, Placenta and Birth Weight
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Hyun Sook Bai, Geum Ju Lee, Min Sook Lee, Ju Ye Lee, Yong Mi Shin, Hong Seok Ahn
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Korean J Community Nutr 2002;7(5):686-695. Published online October 31, 2002
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- The purpose of this study is to assess the maternal iron status during pregnancy and to evaluate the relationships between the iron indices of maternal, umbilical cord serum, placenta and pregnancy outcomes. Venous bloods samples were drawn from 54 pregnant women just before delivery and cord bloods of their newborn babies were collected immediately after birth. And also, placental tissues were extracted. We investigated the difference of the iron status indices of maternal, umbilical cord serum and placental tissue between two gestational age group (PT group, NT group : preterm delivery and normal term delivery at 34.9wk and 39.0wk of mean gestational length, respectively) and also assessed correlations of iron status indices of maternal, umbilical cord serum and placenta tissue. And lastly, we related between birth weight and iron status indices of maternal, umbilical cord serum and placental tissue. The concentrations of maternal serum ferritin and of placental iron were significantly higher in PT group (32.1 +/- 21.1 ng/ml, 68.5 +/- 16.7microgram / g), than those of NT group (20.8 +/- 11.6 ng / ml, 53.2 +/- 17.4 microgram / g) respectively (p < 0.001). However the serum ferritin of umbilical cord were significantly higher in NT group (PT : 109.4 +/- 65.7 ng/ml, NT : 147.0 +/- 56.8 ng / ml) than those of PT group (p < 0.05). Our results showed that a negative association between birth weight (r=-0.361) and maternal serum ferritin and that a positive association between birth weight and umbilical cord serum ferritin (r=0.261). Despite not a significant difference, there was tendency that highest concentration of maternal serum ferritin was associated with the lowest birth weight. These findings indicate that birth weight of newborn is dependent of multiple factors such as maternal iron status during pre-pregnancy, body size, general nutritional status. Although for women who enter pregnancy with low iron stores, enough intakes of iron during pregnancy could produce undesirable pregnancy outcome. Therefore we suggest for successful pregnancy outcome and delivery differential iron supplementation program will be carried out individual pregnant women on the basis of pre-pregnancy nutritional status.
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