Effects of soybean beta-conglycinin on body fat ratio and serum lipid levels in healthy volunteers of female university students

• Published in: Journal of Nutritional Science and Vitaminology Vol. 50; no. 1; pp. 26 - 31
• Main Authors: Baba, T. (Fuji Oil Co. Ltd., Izumisano, Osaka (Japan). Hannan R and D Center), Ueda, A, Kohno, M, Fukui, K, Miyazaki, C, Hirotsuka, M, Ishinaga, M
• Format: Journal Article
• Language: English
• Published: Tokyo Center for Academic Publications Japan 01.02.2004
• Subjects: Adipose Tissue; Adult; Antigens, Plant; Biological and medical sciences; BLOOD SERUM; Body Composition - drug effects; body fat ratio; CHOLESTEROL; Cholesterol - blood; Diet; Double-Blind Method; FATS; Fatty Acids, Nonesterified - blood; Feeding. Feeding behavior; Female; Fundamental and applied biological sciences. Psychology; Globulins - administration & dosage; Glycine max - chemistry; Humans; LIPIDS; Lipids - blood; Lipoprotein(a) - blood; MANKIND; Placebos; PROTEINS; Seed Storage Proteins; serum lipid; Soybean Proteins - administration & dosage; SOYBEANS; Students; triglviceride; TRIGLYCERIDES; Triglycerides - blood; Vertebrates: anatomy and physiology, studies on body, several organs or systems; β-conglycinin; Human; Adipose tissue; Anthropometry; Lipids; Corporal biometry; Soybean; Student; Triglyceride; Cholesterol; Body composition; Feeding; β-conglycinin; serum lipid; Female; body fat ratio
• ISSN: 0301-4800; 1881-7742
• DOI: 10.3177/jnsv.50.26

The changes in body fat ratio and serum lipids induced by the ingestion of β-conglycinin were examined in 41 healthy female university student volunteers. The trend of change in body fat ratio following the ingestion of β-conglycinin differed between students with a baseline body fat ratio over 25% and those less than 25%. In the former group, the ingestion of β-conglycinin suppressed the increase in body fat ratio. Moreover the six sub-jects who had a high total cholesterol level (5.72 mmol/L or higher) tended to have reduced levels of serum triglyceride, free fatty acid, total cholesterol and lipoprotein (a) after the ingestion of β-conglycinin, although those levels did not change significantly. The number of subjects was only six, therefore it was inferred that significant changes were not observed. Thus, ingestion of soybean β-conglycinin suppressed the increase in body fat ratio in indi-viduals with a high baseline body fat ratio and reduced relatively high serum levels of lipids. Those results suggest that if soybean β-conglycinin is ingested continuously (5g daily), it will be effective in keeping body fat ratio and serum lipid levels normal and eliminating excessive lipids from the body