• Title/Summary/Keyword: serum Ca/Mg ratio

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The Relationships of Serum Mg, Ca, Ca/Mg Ratio with Serum Lipid Profiles in College Women Living Choong-Nam Area (일부 충남지역 여대생의 혈청 마그네슘(Mg), 칼슘(Ca), 칼슘/마그네슘(Ca/Mg)비율과 혈청지질과의 상관관계 연구)

  • 김애정
    • Journal of the East Asian Society of Dietary Life
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    • v.8 no.4
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    • pp.379-387
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    • 1998
  • Magnesium(Mg) plays an important role in lipid metabolism and Mg deficiency but Ca sufficiency Increases serum cholesterol and triglyceride. The relationships of serum Mg, Ca, Ca/Mg ratio with lipids was examined in 79 female college students in Choong-Nam area. Subjects were divided into underweight, normal and overweight groups according to their BMI. The average age, body weight, height and BMI were 21.9yr, 55.9kg, 158.5cm and 22.62kg/$m^2$ respectively. Height was not different between groups. Serum cholesterol and LDL-cholesterol concentrations were significantly lower in the underweight group than other groups. BMI had positive correlations with LDL-cholesterol, atherogenic index (AI) and LDL-cholesterol/HDL-cholesterol ratio(LPH), and negative correlations with HDL-cholesterol/total cholesterol ratio. Serum minerals (serum Mg, Ca, Ca/Mg ratio) and serum lipid concentrations were not significantly different between groups. However, there was a tendency of increasing serum Mg level with increasing serum HDL-cholestrol, HDL-cholesterol/total cholesterol ratio and decreasing serum LDL-cholesterol, LPH, total cholesterol/HDL-cholesterol ratio(TPH) and AI. And there was a tendency of increasing serum Ca level with increasing serum HDL-cholesterol/total cholesterol ratio and decreasing serum triglyceride, LDL-cholesterol, LPH, TPH and AI. And there was a tendency of increasing serum Ca /Mg ratio level with decreasing triglyceride, serum LDL-cholesterol and TPH. This study was limited within serum levels of minerals (serum Mg, Ca and Ca/Mg ratio), serum lipids concerned with CHD, therefore I hope there will be wider efforts to consider about the dietary levels of minerals for presentation of the connection between dietary Mg, Ca and serum lipids.

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The Effect of Calcium Supplementation on Blood Pressure in Normotensive Young Korean Adults (칼슘의 보충 섭취가 한국 청년의 혈압에 미치는 영향)

  • 이정원
    • Journal of Nutrition and Health
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    • v.21 no.4
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    • pp.232-241
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    • 1988
  • This study was to investigate the effect of calcium supplementation on the reduction of blood pressure in normotensive young adults. Fortyseven healthy college students(23 male and 24 female) were divided into Ca and placebo groups, and were orally given with calcium(1g/day, 2.5g as CaCO3) and placebo, respectively, for 20 weeks. Blood pressure was measured by Korotokoff method in seated position every two weeks. Average daily dietary calcium intakes of the subjects were 626-643mg in men and 513-552mg in women. Average initial level of serum calcium of the subjects belonged to normal range. 1. Both systolic and diastolic blood pressure(SBP and DBP) of Ca group showed significant continuously decreasing tendency from 6-8 weeks until final 20 weeks of the supplementation in both men and women. But placebo groups did not. Comparing with the basal value, reduction of SBP and DBP after 20 weeks were 6.53$\pm$4.30%(8.9mmHg) and 8.10$\pm$3.30%(7.4mmHg) in men, and 6.56$\pm$2.41%(8.1mmHg) and 7.33$\pm$3.75%(6.2mmHg) in women. The blood pressure lowering effect of calcium supplementation seemed to be greater in the subjects with higher basal SBP. 2. Serum calcium was significantly increased by calcium supplementation in both men and women, and showed significant negative correlation with SBP(r=-.213) and DBP(r=-.301) in women. Serum Ca/Mg ratio of Ca group was also elevated and showed significant negative correlation with SBP(r=-.174) and DBP(r=-.194) in total subjects. 3. Urinary excretion of Na did not show any significant changes by calcium supplementation in both men and women and showed no correlations with blood pressures.

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Relationship Among Dietary Intake, Blood Level, and Urinary Excretion of Minerals and Blood Pressure in Korean Rural Adult Men and Women (농촌 성인 남녀의 무기질 섭취량, 혈액수준 및 소변중 배설량과 혈압과의 관계에 대한 연구)

  • 승정자
    • Journal of Nutrition and Health
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    • v.26 no.1
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    • pp.89-97
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    • 1993
  • This study was carried out to estimate the relationship between dietary intake, blood level, and urinary excretion of minerals and blood pressure in 30 healthy adults living in rural area of Korea(12 males and 18 females). Analysis for the nutritional status of the subjects were performed by 3-day dietary intake record, duplicated diet collection, 24-hour urine collection, and venous blood sampling before measuring blood pressure. The mean blood pressure of subjects was 117.50/80.83mmHg in males and 110.00/73.89mmHg in females. The mean daily intakes of Na, K, Ca, P, Mg, Fe, Cu, Zn estimated for 3 days were 199.97mEq, 49.56mEq, 452.50mg, 725.57mg, 240.40mg, 12.48mg, 3.41mg, 8.28mg, respectively. The serum concentration of Na, K, Ca, P, Mg, Fe, Cu, Zn were 139.83mEq/dl, 4.06mEq/dl, 8.86mg/dl, 3.28mg/dl, 2.13mg/dl, 0.12mg/dl, 0.12mg/dl, 0.14mg/dl, respectively. The 24-hour urinary excretions of Na, K, Ca, p, Mg, Fe, Cu, Zn estimated for 169.60mEq, 39.37mEq, 80.40mg, 398.97mg, 64.77mg, 0.21mg, 0.07mg, 0.29mg, respectively. No significant correlation was found between dietary intake, serum concentration, and urinary excretion of minerals and blood pressure. But, the serum Ca/Mg ratio showed negative correlation with the systolic and diastolic blood pressure at the level of significance of 5%. The study verifies the need for more systematic studies on interrelationship among minerals and mineral requirements in normotensive and hypertensive subjects.

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Dietary Factors and Serum and Urinary Electrolytes Affecting Blood Pressure in Adolescents (사춘기 혈압에 영향을 미치는 식이 인자 및 혈액과 뇨중 무기 이온 농도)

  • 이정원;나효숙;곽충실
    • Korean Journal of Community Nutrition
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    • v.1 no.1
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    • pp.61-70
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    • 1996
  • Correlations of adolescents' blood pressure with dietary factors and blood or urinary electrolytes were investigated in this study. Through the screening for blood pressures of 960 middle school students aged 13-16 years, 30 students with the mean value of SBP and DBP above 96th percentile(high blood pressure group) and the other 30 with the mean blood pressure between 48th and 52th percentiles(normal blood pressure group) were selected as the subjects. SBP/DBP of the high and talc normal blood pressure groups were $141.8{\pm}9.0$ / $83.6{\pm}5.1$ mmHg and $116.4{\pm}3.5$ / $69.8{\pm}3.7 mmHg$, respectively. The average values of age, weight, height, BMI, degree of relative crude physical activity, and family income were not different between two groups. Among nutrients for which intakes were determined by 24 hour-recall and expressed as percent RDA, intakes of total and animal calcium were lower in the high blood pressure group compared to the normal, and were negatively correlated with both SBP and DBP even when the effects of related general and other dietary factors were excluded. Whereas energy, total, animal and vegetable protein, total and animal lipid, and riboflavin were higher in intake in the high blood pressure group than in fille normal, and they were in positive correlations with SBP and/or DBP. Vitamin A and ascorbic acid intakes were also negatively correlated with DBP, though ascorbic acid intake was not different between two groups. High blood pressure group preferred higher concentration of thin rice gruel than normal group and talc preferred salt concentrations was ill positive correlation with SBP. Serum and urinary levels of Ca, Mg, Ca/Mg ratio, Na, K and Na/K ratio did not show any differences between two groups. However serum Ca/Mg retio was in negative and se겨m Mg was ill positive correlations with SBP, and urinary Na excretion was negatively correlated with SBP. Calcium intake showed negative correlation with serum Ha and Na/K ratio. Our data indicated that dietary intake of Ca, energy, protein, lipid, vitamin A and C as well as salt preference were associated with blood pressure in adolescents. It might be assumed that Ca lowered blood pressure by increasing serum Ca/Mg ratio and decreasing serum Ca/K ratio though urinary excretion of Na.

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