Assessment of hormonal and metabolic effects of dietary fiber in young Thai women

To investigate whether daily dietary fiber intake at the reference level has any impact on studied hormones in a population of Thai women. Twenty-eight healthy Thai women (aged 18-20 years, BMI 18.5-25 kg/m2) with a history of regular menstrual cycles committed themselves to prepared food without ch...

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Bibliographic Details
Published inJournal of the Medical Association of Thailand Vol. 89; no. 7; p. 997
Main Authors Chearskul, Supornpim, Supingklud, Navaporn, Nitithamyong, Anadi, Sirichakwal, Prapaisri
Format Journal Article
LanguageEnglish
Published Thailand 01.07.2006
Subjects
Adolescent
Adult
Analysis of Variance
Dietary Fiber - administration & dosage
Female
Gonadotropins, Pituitary - blood
Humans
Hydrocortisone - blood
Insulin - blood
Lipids - blood
Menstrual Cycle - physiology
Prolactin
Statistics, Nonparametric
Thailand
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Summary:To investigate whether daily dietary fiber intake at the reference level has any impact on studied hormones in a population of Thai women. Twenty-eight healthy Thai women (aged 18-20 years, BMI 18.5-25 kg/m2) with a history of regular menstrual cycles committed themselves to prepared food without changing the usual ratio of three major macronutrients. Dietary fiber from natural source at the amount of 8-10 g/day equal to their regular consumption was added to their daily diet for one menstrual cycle, then, increased to be 25-30 g/day for another 2 successive cycles. A single blood sample on midluteal day (day 18-23) was obtained in all three cycles. Plasma luteinizing hormone, follicle stimulating hormone, prolactin, estradiol, progesterone, cortisol, and insulin together with total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and triglycerides were analyzed. The measured hormones and lipids did not change significantly when compared between a control and two experimental cycles (p > 0.05). Short-term consumption of 25-30 g/day fiber diet as recommended by the Reference Daily Intake (RDI) in a Thai population did not alter the studied hormones and lipids thus did not create any health problems.
ISSN:0125-2208