Trans Fatty Acid Intake in Adult Japanese Women

Takeuchi, Hiroyuki; Iwasaki, Ayumi; Omori, Akira

doi:10.5264/eiyogakuzashi.72.76

Cited by 2 publications

(3 citation statements)

References 18 publications

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“…In a survey conducted in Japanese female junior college students, there was no significant correlation between the amount of TFA intake and the serum cholesterol concentration (11). Furthermore, a similar survey involving adult Japanese women also revealed that there was no significant correlation between the amount of TFA intake and the serum lipid concentration (16). We previously reported that a TFA intake equivalent to 1%E for 4 wk did not result in a significant difference in serum LDL-or HDL-cholesterol levels compared with the control group in Japanese female junior college students (9).…”

Section: Resultsmentioning

confidence: 99%

Little Effect of Supplementation with 0.6% Energy <i>Trans</i> Fatty Acids on Serum Cholesterol Levels in Adult Japanese Women

Takeuchi

Nishimura

Ohmori

et al. 2015

J Nutr Sci Vitaminol

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SummaryThe excessive intake of trans fatty acids (TFAs) increases serum LDL-cholesterol and reduces HDL-cholesterol. Limited data exist regarding the low-level intake of TFAs, and the tolerable upper-limit level remains to be fully elucidated. A randomized, double-blind, parallel trial was conducted to assess the effects of a low level of TFA supplementation on serum cholesterol levels in healthy adult Japanese women. The volunteers who participated in this examination took in approximately 0.4% of energy (%E) TFAs from daily meals. Fiftyone volunteers consumed one cookie containing 0.6%E (TFA) or 0.04%E (control) of TFAs every day for 4 wk, and blood was harvested after overnight fasting. The mean TFA intakes of the control and TFA groups during the experimental period were 0.4%E and 1.1%E, respectively. There were no significant differences in serum total, LDL-or HDL-cholesterol levels between the control and TFA groups. The serum glucose and insulin levels were not influenced by TFA supplementation. These results confirm that dietary supplementation with 0.6%E TFAs (a total TFA intake of approximately 1%E) would have little effect on serum cholesterol levels in healthy adult Japanese women.

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Section: Resultsmentioning

confidence: 99%

Little Effect of Supplementation with 0.6% Energy <i>Trans</i> Fatty Acids on Serum Cholesterol Levels in Adult Japanese Women

Takeuchi

Nishimura

Ohmori

et al. 2015

J Nutr Sci Vitaminol

Self Cite

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show abstract

“…This figure is lower than that observed in the Western countries within the same period (1-2 % of total energy) and the latest data (0•3-4•2 % of total energy) (6) . Meanwhile, compared with a previous Japanese study within the same period (0•3-0•5 % of total energy) (49) and the data between 2002 and 2012 (0•14-0•90 % of total energy) (49)(50)(51)(52) , the total TFA intake was almost the same. Although the proportion of people with TFA intake of 1 % or more of total energy in each country is still unclear, according to the review (6) , in Western countries, the 95th percentile of TFA intake declined.…”

Section: Discussionmentioning

confidence: 51%

“…For example, in France, TFA comprised 2•0 % of total energy in 1998-1999 and 1•2 % of total energy in 2006-2007 (6) . In Japan, the proportion of those who exceeded 1 % of total energy intake was 1•8-24•4 % between 2003 and 2012 (49)(50)(51)(52) . Owing to the limited availability of data, it is essential to understand TFA intake and the number and/or the proportion of the population exceeding 1 % of total energy intake to promote the WHO's recommendation for TFA intake.…”

Section: Discussionmentioning

confidence: 99%

Validity and reproducibility of the intake of trans-fatty acids estimated using a FFQ and characteristics of trans-fatty acid intake of the Japanese population: the JPHC FFQ Validation Study

et al. 2022

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We aimed to validate a method for assessing trans-fatty acid (TFA) intake in the Japanese population using the Food Frequency Questionnaire (FFQ) developed in the 1990s from a prospective study that was based on the Japan Public Health Center-based Prospective Cohort Study. For FFQ validation, we included 565 participants (Cohort I: n=215, Cohort II: n=350) aged 40–69 years. We used a 28-day dietary record (DR) over one year and two FFQs administered before and after DR assessment. We calculated total TFA intake, TFA from industrial oils (i-TFA), and TFA from ruminants (r-TFA) considering a database of measurements obtained mainly from Japan. Spearman’s rank correlation coefficients (CC) were computed for validity and reproducibility. Energy adjustments were applied using two methods considering the TFA measurement: density method for TFA% of total energy and residual method for TFA g/day. The total TFA intake (% of the total energy intake) was 0.08–0.76% (median, 0.27–0.37%) in DRs of both cohorts, and was 0.00–1.13% (median, 0.30–0.40%) in FFQs. The i-TFA accounted for approximately 50% of the total TFA intake in DRs and approximately 40% in FFQs. For total TFA(% of the total energy intake), CCs were 0.54–0.69, and weighted kappa coefficients were 0.88–0.92 for both cohorts. The de-attenuated CC was 0.46–0.62 for i-TFA (g/day) and 0.57–0.68 for r-TFA (g/day). Our study showed that the validity and reproducibility of TFA intake estimation using the FFQ were reasonable, suggesting its suitability among the Japanese population with low TFA intake.

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Trans Fatty Acid Intake in Adult Japanese Women

Cited by 2 publications

References 18 publications

Little Effect of Supplementation with 0.6% Energy <i>Trans</i> Fatty Acids on Serum Cholesterol Levels in Adult Japanese Women

Little Effect of Supplementation with 0.6% Energy <i>Trans</i> Fatty Acids on Serum Cholesterol Levels in Adult Japanese Women

Validity and reproducibility of the intake of trans-fatty acids estimated using a FFQ and characteristics of trans-fatty acid intake of the Japanese population: the JPHC FFQ Validation Study

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