• Title/Summary/Keyword: Mineral nutrient

Search Result 550, Processing Time 0.03 seconds

The Correlation among Growth Development, Bone Mineral Density of Carpus and Nutrient Intakes in Preschool Children (미취학 아동에 있어 신체발달, 손목 골밀도 및 영양섭취와의 상관성)

  • 명금희;나현주;최미경;김애정
    • Journal of the East Asian Society of Dietary Life
    • /
    • v.14 no.2
    • /
    • pp.113-122
    • /
    • 2004
  • This study was conducted to examine the correlation among growth development, bone mineral density, and nutrient intakes in preschool children. A total of 62 preschool children measured the anthropometric characteristics and the bone mineral density of carpus using DEXA. The questionnaires categorized to determine health status, life style, dietary behaviors, and dietary intakes were filled out by children's mothers. The average ages of the study subjects were 62.4 months in boys and 62.1 months in girls. The birth height and weight of the subjects were 50.9 cm and 3.4 kg in boys and 50.3 cm and 3.3 kg in girls, respectively. The average height, weight, % body fat, and obesity index were 111.7 cm, 19.6 kg, 15.0%, -2.1% in boys and 109.4 cm, 18.7 kg, 17.5%, 0.2% in girls, respectively. The bone mineral density in carpus was 0.25 g/cm$^2$ in boys and 0.24 g/cm$^2$. In girls. Proportions of children having regular meals were 69.0%, 94.7%, and 69.0% for breakfast, lunch, and dinner, respectively. The major reasons for irregular meal were poor appetite and lack of time for breakfast and snacks for dinner. Most of the children(52.6%) had breakfast with the whole family together, and all the children had lunch and dinner with a part of the family. Most of the children answered they had snack more than once a day, and 64.3% had an unbalanced diet. The intakes of energy, calcium, iron, zinc, vitamin A, vitamin B$_1$, niacin, and vitamin C did not meet the Korean RDAs. Average bone mineral density in carpus was positively correlated to the body weight, the total body water, the lean body mass, and the obesity index, respectively(p<0.01, p<0.01, p<0.01 and p<0.01). The body weight, the total body water, and the lean body mass showed the significant negative correlations with the animal iron intake(p<0.05, p<0.01 and p<0.01). The bone mineral density in the distal carpus was negatively correlated to the animal protein intake and the animal iron intake(p<0.05 and p<0.05). And the bone mineral density in the ultradis carpus and the average bone mineral density in the carpus were positively correlated to the plant calcium intake(p<0.05 and p<0.05). Therefore, more systematic studies to investigate the roles of protein, iron, and calcium in growth development of preschool children were required.

  • PDF

The Study of Life Styles, Dietary Habits and Nutrient Intakes of Korean Male College Students Related to the Bone Mineral Density (남자 대학생의 골밀도에 따른 생활습관과 식습관 및 영양소 섭취상태에 관한 연구)

  • Kim Mi-Hyun;Bae Yun-Jung;Youn Jee-Young;Chung Yoon-Sok;Sung Chung-Ja
    • Journal of Nutrition and Health
    • /
    • v.38 no.7
    • /
    • pp.570-577
    • /
    • 2005
  • The purpose of this study was to investigate the effect of bone mineral density on life styles, dietary habits and nutrient intakes among the male college students. The subjects were divided into four groups; $Q_1$ (calcaneus BMD < 25 percentile, n = 117), $Q_2$ (25 percentile $\le$ calcaneus BMD < 50 percentile, n = 118), $Q_3$ (50 percentile $\le$ calcaneus BMD < 75 percentile, n = 118) $Q_4$ (calcaneus BMD $\ge$ 75 percentile, n = 116). And they were asked about general characteristics, life style, dietary habit, and nutrient intake using questionnaire and 24-hr recall method. They were measured the bone mineral density of calcaneus using quantitative ultrasound. The average age of the subjects of the study was 23.0 yews and the average height, weight, and BMI were 174.7 cm, 69.0 kg, $22.5 kg/m^2$. The bone mineral density in calcaneus was $0.43 g/cm^2$ in $Q_1,\;0.50 g/cm^2$ in $Q_2,\;0.56 g/cm^2$ in $Q_3$, and $0.69 g/cm^2$ in $Q_4$ (p < 0.001). The results showed that $Q_1$ tended to have irregular exercise compared to the other three groups. Compared with $Q_1$ and $Q_2$, the frequency of skipping breakfast was lower in $Q_3$ and $Q_4$. Also the results showed that the $Q_4$ was significantly more often to drink coffee compared with the other three groups (p < 0.01). The mean daily energy intake was 2210.6 kcal ($88.4\%$ of RDA). The intake of energy, vitamin $B_2$, calcium, and zinc did not meet the Korean RDA. Also the $Q_2$consumed significantly lower intakes of protein (p < 0.05) and plant protein (p < 0.05) compared to the $Q_3$ and $Q_4$. The $Q_1$ and $Q_2$ consumed significantly lower intakes of vitamin $B_2$ (p < 0.01) compared to the $Q_3$ and $Q_4$. In conclusion, male student in lower bone mineral density appeared to have unhealthy life styles and dietary habits in terms of irregular exercise, high frequency of skipping breakfast and lower intakes of protein, vitamin $B_2$ showing a strong need proper education on meal practices and exercise habits for the bone health.

NUTRIENT CHARACTERISTICS OF SOME LOCALLY AVAILABLE FEED RESOURCES IN FIJI

  • Ochetim, S.
    • Asian-Australasian Journal of Animal Sciences
    • /
    • v.5 no.1
    • /
    • pp.97-100
    • /
    • 1992
  • Locally available milk mix, coconut meal, cassava root meal, cassava leaf meal, maize, meat meal, fish meal, rice bran, rice polishings, wallow, molasses and coral sand in Fiji were analysed for proximate components, gross energy and mineral contents. The results obtained indicated typical and variable amounts of nutrients in these materials. On the basis of their nutrient contents, the potential usefulness and weaknesses of the various feed materials are discussed with specific reference to the formulations of diets for livestock and poultry in Fiji based on these locally available feed materials.

초지에 대한 인산질비료의 시용에 관한 연구 IV. 인산질비료의 시용수준이 목장의 식생구성과 무기물함량 및 토양화학성분에 미치는 영향 ( Studies on the Phosphatic fertilizer Application Grassland IV. Effect of phosphatic fertilizer levals on the botanial compos

  • 박근제;최기춘;이필상
    • Journal of The Korean Society of Grassland and Forage Science
    • /
    • v.14 no.3
    • /
    • pp.223-229
    • /
    • 1994
  • To find out the effects of phosphatic fertilizer application levels on the botanical composition, mineral contents and mineral nutrient deprivation of grasses and the chemical properties of soil, this expriment was arranged as a randomized complete block design with six treatments(0, 50, 100, 150, 200 and 250kg $P_2O_5$/ha) and conducted at hilly land in Gwangju, Gyeonggi Province from September, 1989 to October, 1992. The results obtained are summarized as follows: The botanical composition of grasses without posphatic fertilizer application was poor but with 150kg $P_2O_5$/ha application, remarkably increased in legume of grasses and decreaed in weed. As the phophatic fertilizer levels increase, P, Ca and Mg content of grasses were increased but N and K content tended not to be regular, and Ca/p and K/Ca+ Mg equivalent ratio were lowered. Up to 150kg $P_2O_5$/ha application level, the mineral nutrient content deprived by dry matter yield was increased but with that over application, tend not to be increased. Most of applied mineral elements were accumulated at a subsurface of grassland and as the phosphatic fertilizer application levels increase, the available $P_2O_5$ and exchangeable Mg contents of the soil tended to be remarkably increased and exchangeable K content tended to be decreased, but pH, OM and exchangeable Ca content tended not to be regular.

  • PDF

Effect of N, P and K Fertilizers Application on Growth, Yield and Mineral Nutrient Content in Platycodon grandiflorum for. duplux

  • Soo-Jeong Kwon;Young-Ho Choi;Hee-Ock Boo;Sun-Hee Woo;Hag-Hyun Kim
    • Proceedings of the Korean Society of Crop Science Conference
    • /
    • 2022.10a
    • /
    • pp.162-162
    • /
    • 2022
  • This study was carried out to investigate the effects of nitrogen, phosphorus, potassium (three main macro elements of fertilizer) on growth, yield and mineral contents of Platycodon grandiflorum for. duplux and to obtain the basic data of the proper fertilizer application for increasing the yield of P. grandiflorum for. duplux. Plant height showed significantly good results in all fertilization treatments compared to non fertilizer group (the control, T0), and in particular, the highest was 85.7 cm in the complete group (T4). Chlorophyll content showed a high amount in the range of 20.7 to 23.8 against all fertilization treatment groups, except for non fertilizer (T0) and non nitrogen (T1). The fresh weight of roots were higher quantity than other fertilization treatments in the complete group 55.8 g (T4). The mineral nutrient content ofNa, Mg, Cu and Al of the roots of P. grandiflorum for. duplux from T1 group showed the lowest amount compared to other groups. In addition, P from T2 group, Mn from T3 group and Ca, Fe, Zn from T4 group also exhibited the lowest mineral content compared to other groups respectively.

  • PDF

The Effect of Nutrient Intake and Energy Expenditure on Bone Mineral density of Korean Women in Taegu (한국여성의 연령별 골밀도와 그에 미치는 영향인자에 관한 연구(I) 골밀도와 영양소 섭취 및 에너지 소비량의 관계 -대구지역을 중심으로-)

  • 이희자
    • Journal of Nutrition and Health
    • /
    • v.29 no.6
    • /
    • pp.622-633
    • /
    • 1996
  • The purpose of present study was to assess the change of bone mineral density (BMD) by age and the dietary factors influcencing on BMD in Korean women in Taegu. The subjects were 242 healthy female in the range of 7-67 years old, and were divided into 4 age groups. BMD of lumbar of lumbar spine, femur(neck, ward's triangle, trochanter)and total body was measured by dual energy X-ray absorptionmetry. The nutrient intake measured by convenient method was similar to or more than the level of RDA. The significant relationship between nutrient intake and BMD was observed. Particularly for lumbar spine and total body in group 4 (50-60yr), such as energy, carbohyrate, protein, fat, Ca, animal Ca, meat Ca, Fe, thiamin and niacin were found significantly positive correlations. By analysis of multiple regression, significant relationships were shown between protein and lumbar spine and total body BMD in group 4, between ascorbic acid and total body BMD in group 2(17-34 yr). Energy expenditure showed better corrlations with BMD rather than nutrient intake. BMD was significantly greater in subjects consuming a mean dietary Ca intake more than 125% of RDA compared with less than 75% of RDA. In high Ca intake group ($\geq$125% of RDA), there were the significantly negative correlations between animal (meat) Ca and BMD in each bone of 7-9 years. The excessive intake of animal protein in this age group was found. And the correlations between BMD and past milk consumptin were significant in all skeletal sites of group 1(7-16 yr). This study confirms that the most effective way of preventing osteoporosis and the fractures is to maximize peak bone mass in early life and to minimize bone loss through the balanced adequate intake of Ca and other nutrients and regular physical activity.

  • PDF

Associations Between Daily Food and Nutrient Intake and Bone Mineral Density in Men Aged 50 Years and Older (50세 이상 남성의 식품 및 영양소 섭취실태와 골밀도와의 관계)

  • Kim, Ji-Myung;Jin, Mi-Ran;Kim, Hye-Won;Chang, Nam-Soo
    • Journal of Nutrition and Health
    • /
    • v.44 no.5
    • /
    • pp.394-405
    • /
    • 2011
  • Osteoporosis is a rising problem, as the older age population is increasing due to prolongation of life. Genetic and environmental factors play key roles in bone metabolism, and diet is also an important factor. We investigated the relationship among factors affecting bone mineral density (BMD), including daily food intake and nutrient intake in men aged >50 years. Seventy-eight men, who visited the health promotion center at one of the university medical centers, were divided into normal and osteopenia groups according to their BMD. The body weight of the normal group was significantly higher than that of the osteopenia group. The osteopenia group showed significantly higher carbohydrate intake and lower calcium and vegetable calcium intake compared to those in the normal group. Lumbar spine BMD was negatively correlated with energy, fat, vitamin B1, and sodium intake in the normal group. Additionally, femoral neck BMD was negatively correlated with total animal protein, energy, protein, fat, phosphorous, iron, animal iron, potassium, vitamin B1, B2, B6, and niacin intake. Lumbar spine BMD was positively correlated with fruit, calcium, vegetable calcium, animal calcium, and vitamin C intake in the osteopenia group. Femoral neck BMD was negatively correlated with meat, dairy product, total animal protein, plant protein, animal protein, vitamin A, and cholesterol intake. A stepwise multiple regression analysis revealed that several dietary factors affected BMD, including energy, fat, vitamin B1, B2, B6, niacin, sodium, protein, iron, animal iron, phosphorous, potassium, and animal protein in the normal group and zinc, calcium, vegetable calcium, animal calcium, vitamin C, fruit, protein, animal protein, meat, dairy product, carbohydrates, cholesterol, vegetables, mushrooms, and seasonings in the osteopenia group. These results indicate that adequate nutrient intake plays an important role maintaining optimum bone health in middle aged men.

Nutrient Intake and Effects of Isoflavone Supplementation on Bone Mineral Density in Female College Students with Osteopenia (골감소증 여대생의 영양소 섭취실태와 이소플라본 보충이 골밀도에 미치는 영향)

  • Ro, Hee-Kyung;Jeong, Eun
    • Journal of the Korean Society of Food Culture
    • /
    • v.23 no.6
    • /
    • pp.801-811
    • /
    • 2008
  • The principal objective of this study was to assess the effects of soy isoflavone supplementation on bone mineral density in 36 female college students with osteopenia for 12 weeks. The subjects were divided into three groups on the basis of bone mineral density. The experimental groups were provided supplements of either 80 mg of isoflavone (Iso-80) or 40 mg of isoflavone (Iso-40). To the placebo group, 40 mg of powdered glutinous rice was administered. It was determined that many subjects with osteopenia evidenced lower levels of activity as compared to the control group. Isoflavone supplementation was more effective in controlling total cholesterol and LDL-cholesterol than was observed in the placebo group. We noted no significant differences in serum osteocalcin concentration between Iso-40 and the placebo group, but significant differences in osteocalcin concentration were detected between Iso-80 and the placebo group. Bone quality indices (BQI) were correlated positively with mineral content, lean body mass, muscular mass, and blood components including albumin, Ca, Mg, ALPase, and osteocalcin. Both Iso-40 and Iso-80 supplementation for 12 weeks significantly increased protein and mineral content in the body. As lower intakes of Ca and folate were noted in the subjects, emphasis should be given to adequate intakes of these nutrients in the subjects. In conclusion, 12 week isoflavone supplementation in young females with osteopenia exerted positive effects on bone mineral density and bone turnover markers.

A Study of Nutrient Intake and Serum Levels of Osteocalcin, Ca, P, and Mg and Their Correlation to Bone Mineral Density in Korean Postmenopausal Women Residing in Rural Areas (농촌 지역 폐경 후 여성의 골밀도에 따른 영양소 섭취 상태 및 혈청 오스테오칼신, 칼슘, 인, 마그네슘 함량과 이들간의 상관성 연구)

  • 승정자;최윤희;김미현;최선혜;조경옥
    • Korean Journal of Community Nutrition
    • /
    • v.7 no.1
    • /
    • pp.111-120
    • /
    • 2002
  • Postmenopausal women lose more bone mass than men as a result of estrogen deprivation. The resultant low bone mineral density (BMD) is a major risk factor in the development of osteoporosis. Calcium, phosphorus and magnesium are main components of bone. The purpose of this study is to investigate nutrient intake and serum osteocalcin, Ca, P and Mg and their correlation to bone mineral density in Korean postmenopausal women residing in rural areas. We conducted 24 hour dietary recalls, anthropometric measurements and blood analysis on 60 postmenopausal women. The BMD of the lumbar spine (L2$\rightarrow$L4) and the femoral neck were measured by dual energy X-ray absorptiometry (DEXA). Subjects were assigned to one of three groups:normal (T-score> -1, n=20), osteopenia (-2.5> T-score $\leq$ -1, n=23), and osteoporosis ( T-score $\leq$ -2.5, n=17). The mean age, height, weight and BMI were 62.37 yr, 154.36 cm, 55.28 kg and 23.18 $kg/m^2$ respectively. The mean daily energy and protein intakes were 76.35% and 87.41% of RDA for Koreans. The mean intakes of calcium, phosphorus, and magnesium were 463.62 mg (66.23% of RDA), 955.32 mg (136.47% of RDA), 345.87 mg respectively. The mean serum levels of calcium, phosphorus and magnesium were 8.76 mg/dl, 3.80 mg/dl, and 2.10 mg/dl, respectively, and there were no significant differences among the three groups. However, the BMD of the femoral neck showed a significantly negative correlation with serum magnesium (p<0.05). To summarize the results, most nutrient intakes (especially calcium) in postmenopausal women did not reach the RDA values for Koreans. Also, increase of serum magnesium levels may be related to bone loss.

Studies on the Phosphatic fertilizer Application Grassland I. Recidual effect of phosphatic fertilizer botanical composition and mineral contents of pasture plants in mixed sward (초지에 대한 인산질비료의 잔류효과에 의한 연구 II. 혼파초지의 식생구성 및 목초의 무기태함량에 대한 인산질비료의 잔류효과)

  • Park, Geun-Je;Kim, Jeong-Gap;Seo, Sung;Kim, Meing-Jooung
    • Journal of The Korean Society of Grassland and Forage Science
    • /
    • v.17 no.1
    • /
    • pp.19-26
    • /
    • 1997
  • To find out the residual effect of phosphate fertilization on botanical composition, mineral contents and mineral nutrient deprivation of pasture plants, this experiment was arranged as a randomized complete block design with six treatments(0-0, 50-50, 100-65, 150-65, 200-65 and 250-65kg $P_2O_5$/ha), those were composed of three P,O, fertilization level(0, 50 and 65kg P,OJha) after phosphate fertilization trial with six treatments(0, 50, 100, 150, 200 and 250kg $P_2O_5$/ha) from 1989 to 1992, and conducted at hilly land in Kwangju, Kyonggi Province 60m 1993 to 1994. The results obtained are summarized as follows: The botanical composition of pasture plants without phosphate fertilization was very poor. With increasing available phosphate of soil, the percentage of grasses and legumes were remarkably increased and weeds was decreased. With 150-65kg $P_2O_5$/ha application for two years, the average DM yield was composed of 80.6% grasses, 15.4% legume and 4.0% weeds, the percentage was similar to that of 200-65kg $P_2O_5$/ha. As available phosphate of soil increase, P, K and Mg content of pasture plants were increased, but Ca/P ratio was lowed and the other mineral contents tended not to be regular. The mineral nutrient contents deprived by DM yield was increased as available phosphate of soil was increased, but those were not different between 150-65 and 250-65kg $P_2O_5$/ha. However, mineral nutrient of $P_2O_5$,$K_2O$ and MgO were higher in 200-65 and 250-65kg $P_2O_5$/ha. Most of applied mineral elements were accumulated at a subsurface(0-2.5cm) of grasslands, and mineral tended to be decrease than that of soil chemical analysis before the experiment of residual effect of phosphate fertilization.

  • PDF