Document Detail

Estimated net endogenous acid production and intake of bone health-related nutrients in Hong Kong Chinese adolescents.
MedLine Citation:
PMID:  18231119     Owner:  NLM     Status:  MEDLINE    
BACKGROUND/OBJECTIVES: To examine the daily intake of bone health-related nutrients and to explore the association between diet composition and estimated net endogenous acid production (estimated NEAP) in Hong Kong Chinese adolescents. SUBJECT/METHODS: In total, 171 boys and 180 girls aged 10-12 years of Chinese origin from nine primary schools from the Hong Kong Adolescent Bone Health Cohort Study. The study design used food frequency questionnaire. Mean daily intakes of foods and selected nutrients were estimated. Mean percentage of nutrient intake contributed by different food groups was presented. Frassetto's method was used to calculate the estimated NEAP from the diet's protein to potassium ratio. RESULTS: There was no significant difference in the energy-adjusted intakes of most nutrients between boys and girls, except for intakes of vitamins C and D. Mean protein, sodium and potassium intakes were higher than the Chinese dietary reference intake (DRI), whereas mean intakes of magnesium, calcium and vitamin D were lower than the DRI. Boys had significantly higher estimated NEAP than girls (P=0.0051). Estimated NEAP was significantly positively correlated with meat intake and negatively associated with the consumption of fruits, vegetables, legumes, beverages and dairy products. CONCLUSIONS: The results highlight the importance of considering whole diet quality when interpreting the effects of single nutrient or diet's net acid load on bone. The effect on high protein intake and low fruit and vegetable intake on the long-term bone health of Hong Kong Chinese adolescents warrants attention.
R S M Chan; J Woo; D C C Chan; C S K Cheung; D H S Lo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-01-30
Journal Detail:
Title:  European journal of clinical nutrition     Volume:  63     ISSN:  1476-5640     ISO Abbreviation:  Eur J Clin Nutr     Publication Date:  2009 Apr 
Date Detail:
Created Date:  2009-04-01     Completed Date:  2009-05-29     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  8804070     Medline TA:  Eur J Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  505-12     Citation Subset:  IM    
Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China.
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MeSH Terms
Ascorbic Acid / administration & dosage
Asian Continental Ancestry Group
Calcium, Dietary / administration & dosage
Child Nutritional Physiological Phenomena*
Diet* / ethnology
Diet Surveys
Dietary Proteins / administration & dosage*
Hong Kong
Magnesium / administration & dosage
Osteoporosis / prevention & control
Potassium, Dietary / administration & dosage*
Sex Factors
Sodium, Dietary / administration & dosage
Vitamins / administration & dosage
Reg. No./Substance:
0/Acids; 0/Calcium, Dietary; 0/Dietary Proteins; 0/Potassium, Dietary; 0/Sodium, Dietary; 0/Vitamins; 50-81-7/Ascorbic Acid; 7439-95-4/Magnesium

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