Lignan content of the flaxseed influences its biological effects in healthy men and women.

Rogelio U. Almario, Siddika E Karakas

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The omega-3 polyunsaturated fatty acid (n-3 PUFA) as well as lignan components of flaxseed (FLX) can have beneficial effects. In this 6-week-long, randomized, double-blinded, placebo-controlled study, we investigated the effects of FLX lignans on cardiovascular risk factors. Thirty-seven subjects (13 men and 24 women, age: 54±7 years, body mass index [BMI]: 29.7±1 kg/m2) consumed nutrition bars with similar macronutrient contents. The fatty acid composition and the lignan contents of the bars differed significantly. Two FLX bars both contained 3.0 g of alpha linolenic acid (ALA: 18:3 n-3) but different amount of lignans (0.15 g vs. 0.41 g). High-lignan FLX decreased total cholesterol (C) by 12% (p=0.044), LDL-C by 15% (p=0.022), and oxidized (Ox)-LDL by 25% (p=0.035). Regular FLX tended to increase Ox-LDL by 13% (p=0.051). The difference between the effects of high-lignan vs. regular lignan FLX on Ox-LDL was highly significant (p=0.004). High-lignan FLX has the unique property of decreasing Ox-LDL, which is an independent risk factor for cardiovascular disease.

Original languageEnglish (US)
Pages (from-to)194-199
Number of pages6
JournalJournal of the American College of Nutrition
Volume32
Issue number3
StatePublished - 2013

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Flax
Lignans
Omega-3 Fatty Acids
alpha-Linolenic Acid
Unsaturated Fatty Acids
Body Mass Index
Cardiovascular Diseases
Fatty Acids
Cholesterol
Placebos
oxidized low density lipoprotein

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Lignan content of the flaxseed influences its biological effects in healthy men and women. / Almario, Rogelio U.; Karakas, Siddika E.

In: Journal of the American College of Nutrition, Vol. 32, No. 3, 2013, p. 194-199.

Research output: Contribution to journalArticle

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