Effect of breads containing trans fat, soybean or rice on plasma lipid and fatty acid composition in healthy Korean adults

Kyung Hee Noh, Young Huh, Ji Hyun Jang, Soo Hee Kim, Jin Hyuk Shin, Do-Hoon Kim, Seong Hwan Lee, Kyung Sik Lee, Yong Kyu Park, Kyung-Hwan Cho, Young Sun Song

Research output: Contribution to journalArticle

Abstract

It has been reported that trans fat (tFA) may have adverse or beneficial effect depending upon the position and number of double bonds. The presence of tFA in human tissues and fluids is related to dietary intake, intestinal absorption, metabolism and storage, exchanges among compartments. This study investigated the effect of breads containing tFA, soybean or rice on postprandial plasma fatty acid and lipid composition. 33 healthy volunteers were divided into 3 groups and fed soybean bread, rice bread or wheat bread groups containing equivalent amounts of tFA (elaidic acid rich, 3.75 g/day), respectively. Postprandial lipid profiles at 0, 1, 2, 3 and 4 hours after a respective meal were studied. Plasma fatty acid was extracted by the method of Folch and methyl ester of fatty and prepared by acid transmethylation and analyzed by Gas Chromatography. Peaks were identified using pure reference compounds and quantified. Postprandial data indicated that consumption of soybean and rice breads with 3.75 g tFA retarded the appearance of C18:1 and C18:2 tFA in plasma lipid compared to that of wheat bread. Futhermore, soybean and rice bread groups showed lower plasma saturated fatty acid levels than wheat bread group. Postprandial TG level was significantly lowered in soybean bread group compared to that of rice and wheat bread groups. These results imply that soybean bread with high dietary fiber content and biologically active substances may inhibit or delay lipid absorption.

Original languageEnglish
Pages (from-to)1042-1049
Number of pages8
JournalJournal of the Korean Society of Food Science and Nutrition
Volume38
Issue number8
DOIs
Publication statusPublished - 2009 Aug 1

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Bread
Soybeans
blood lipids
breads
Fatty Acids
fatty acid composition
Fats
soybeans
Lipids
rice
lipids
Triticum
wheat
elaidic acid
Oryza
intestinal absorption
lipid composition
fiber content
volunteers
saturated fatty acids

Keywords

  • Lipid profile
  • Rice bread
  • Short term study
  • Soybean bread
  • Trans fat

ASJC Scopus subject areas

  • Food Science
  • Nutrition and Dietetics

Cite this

Effect of breads containing trans fat, soybean or rice on plasma lipid and fatty acid composition in healthy Korean adults. / Noh, Kyung Hee; Huh, Young; Jang, Ji Hyun; Kim, Soo Hee; Shin, Jin Hyuk; Kim, Do-Hoon; Lee, Seong Hwan; Lee, Kyung Sik; Park, Yong Kyu; Cho, Kyung-Hwan; Song, Young Sun.

In: Journal of the Korean Society of Food Science and Nutrition, Vol. 38, No. 8, 01.08.2009, p. 1042-1049.

Research output: Contribution to journalArticle

Noh, Kyung Hee ; Huh, Young ; Jang, Ji Hyun ; Kim, Soo Hee ; Shin, Jin Hyuk ; Kim, Do-Hoon ; Lee, Seong Hwan ; Lee, Kyung Sik ; Park, Yong Kyu ; Cho, Kyung-Hwan ; Song, Young Sun. / Effect of breads containing trans fat, soybean or rice on plasma lipid and fatty acid composition in healthy Korean adults. In: Journal of the Korean Society of Food Science and Nutrition. 2009 ; Vol. 38, No. 8. pp. 1042-1049.
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AU - Lee, Seong Hwan

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