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Comparative Study of Serum Leptin and Insulin Resistance Levels Between Korean Postmenopausal Vegetarian and Non-vegetarian Women.

Kim MH, Bae YJ - Clin Nutr Res (2015)

Bottom Line: Anthropometric characteristics, serum leptin, serum glucose, serum insulin, insulin resistance (HOMA-IR; Homeostasis Model Assessment of Insulin Resistance), and nutrient intake were compared between the two groups.The HOMA-IR of the vegetarians was significantly lower than that of the non-vegetarians (p < 0.01) after adjustment for the % of body fat.A long-term vegetarian diet might be related to lower insulin resistance independent of the % of body fat in postmenopausal women.

View Article: PubMed Central - PubMed

Affiliation: Department of Food and Nutrition, Korea National University of Transportation, Jeungpyeong 368-701, Korea.

ABSTRACT
The present study was conducted to compare serum leptin and insulin resistance levels between Korean postmenopausal long-term semi-vegetarians and non-vegetarians. Subjects of this study belonged to either a group of postmenopausal vegetarian women (n = 54), who maintained a semi-vegetarian diet for over 20 years or a group of non-vegetarian controls. Anthropometric characteristics, serum leptin, serum glucose, serum insulin, insulin resistance (HOMA-IR; Homeostasis Model Assessment of Insulin Resistance), and nutrient intake were compared between the two groups. The vegetarians showed significantly lower body weight (p < 0.01), body mass index (p < 0.001), percentage (%) of body fat (p < 0.001), and serum levels of leptin (p < 0.05), glucose (p < 0.001), and insulin (p < 0.01), than the non-vegetarians. The HOMA-IR of the vegetarians was significantly lower than that of the non-vegetarians (p < 0.01) after adjustment for the % of body fat. A long-term vegetarian diet might be related to lower insulin resistance independent of the % of body fat in postmenopausal women.

No MeSH data available.


Related in: MedlinePlus

Blood lipid parameters of the subjects. Significance as determined by Student's t-test. *p < 0.001; †p < 0.01.
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Figure 1: Blood lipid parameters of the subjects. Significance as determined by Student's t-test. *p < 0.001; †p < 0.01.

Mentions: The serum lipid levels of the subjects are shown in Figure 1. The serum concentration of triglyceride and HDL-cholesterol was not significantly different between the two groups. The serum total cholesterol and LDL-cholesterol levels were 184.4 mg/dL and 111.2 mg/dL, respectively, for the vegetarians and 209.5 mg/dl and 133.5 mg/dL, respectively, for the non-vegetarians (p < 0.001, p < 0.01).


Comparative Study of Serum Leptin and Insulin Resistance Levels Between Korean Postmenopausal Vegetarian and Non-vegetarian Women.

Kim MH, Bae YJ - Clin Nutr Res (2015)

Blood lipid parameters of the subjects. Significance as determined by Student's t-test. *p < 0.001; †p < 0.01.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4525134&req=5

Figure 1: Blood lipid parameters of the subjects. Significance as determined by Student's t-test. *p < 0.001; †p < 0.01.
Mentions: The serum lipid levels of the subjects are shown in Figure 1. The serum concentration of triglyceride and HDL-cholesterol was not significantly different between the two groups. The serum total cholesterol and LDL-cholesterol levels were 184.4 mg/dL and 111.2 mg/dL, respectively, for the vegetarians and 209.5 mg/dl and 133.5 mg/dL, respectively, for the non-vegetarians (p < 0.001, p < 0.01).

Bottom Line: Anthropometric characteristics, serum leptin, serum glucose, serum insulin, insulin resistance (HOMA-IR; Homeostasis Model Assessment of Insulin Resistance), and nutrient intake were compared between the two groups.The HOMA-IR of the vegetarians was significantly lower than that of the non-vegetarians (p < 0.01) after adjustment for the % of body fat.A long-term vegetarian diet might be related to lower insulin resistance independent of the % of body fat in postmenopausal women.

View Article: PubMed Central - PubMed

Affiliation: Department of Food and Nutrition, Korea National University of Transportation, Jeungpyeong 368-701, Korea.

ABSTRACT
The present study was conducted to compare serum leptin and insulin resistance levels between Korean postmenopausal long-term semi-vegetarians and non-vegetarians. Subjects of this study belonged to either a group of postmenopausal vegetarian women (n = 54), who maintained a semi-vegetarian diet for over 20 years or a group of non-vegetarian controls. Anthropometric characteristics, serum leptin, serum glucose, serum insulin, insulin resistance (HOMA-IR; Homeostasis Model Assessment of Insulin Resistance), and nutrient intake were compared between the two groups. The vegetarians showed significantly lower body weight (p < 0.01), body mass index (p < 0.001), percentage (%) of body fat (p < 0.001), and serum levels of leptin (p < 0.05), glucose (p < 0.001), and insulin (p < 0.01), than the non-vegetarians. The HOMA-IR of the vegetarians was significantly lower than that of the non-vegetarians (p < 0.01) after adjustment for the % of body fat. A long-term vegetarian diet might be related to lower insulin resistance independent of the % of body fat in postmenopausal women.

No MeSH data available.


Related in: MedlinePlus