Long-chain SFA at the sn-1, 3 positions of TAG reduce body fat deposition in C57BL/6 mice

Gouk, Shiou Wah; Cheng, Sit Foon; Mok, Josephine Shiueh Lian; Ong, Augustine Soon Hock; Chuah, Cheng Hock

doi:10.1017/s0007114513001475

Cited by 18Fatty Acid Research and HealthLipid metabolism and biosynthesisFood Chemistry and Fat Analysis

Long-chain SFA at the sn-1, 3 positions of TAG reduce body fat deposition in C57BL/6 mice

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Gouk, Shiou Wah, Cheng, Sit Foon, Mok, Josephine Shiueh Lian, Ong, Augustine Soon Hock, Chuah, Cheng Hock·2013·British Journal of Nutrition

DOI 10.1017/s0007114513001475

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Abstract

The present study aimed to determine the effect of positional distribution of long-chain SFA in TAG, especially at the sn-1, 3 positions, on fat deposition using the C57BL/6 mouse model. Throughout the 15 weeks of the study, mice were fed with diets fortified with palm olein (POo), chemically interesterified POo (IPOo) and soyabean oil (SOY). Mice receiving the SOY-enriched diet gained significantly higher amounts of subcutaneous fat (P= 0·011) and total fat (P= 0·013) compared with the POo group, despite similar body mass gain being recorded. During normalisation with food consumption to obtain the fat:feed ratio, mice fed with the POo-enriched diet exhibited significantly lower visceral (P= 0·044), subcutaneous (P= 0·006) and total (P= 0·003) fat:feed than those fed with the SOY-enriched diet. It is noteworthy that mice fed with the IPOo-enriched diet gained 14·3 % more fat per food consumed when compared with the POo group (P= 0·013), despite their identical total fatty acid compositions. This was mainly attributed to the higher content of long-chain SFA at the sn-1, 3 positions of TAG in POo, which results in delayed absorption after deacylation as evidenced by the higher amounts of long-chain SFA excreted in the faeces of mice fed with the POo-enriched diet. Negative correlations were found between the subcutaneous, visceral as well as total fat accretion per food consumption and the total SFA content at the sn-1, 3 positions, while no relationships were found for MUFA and PUFA. The present results show that the positional distribution of long-chain SFA exerts a more profound effect on body fat accretion than the total SFA content.

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In mouse models, increased FFA excretion was accompanied by lower adiposity and aSCAT and lower VAT and total body fat deposition.
“In these mouse models increased FFA excretion was accompanied by lower adiposity and aSCAT (24) and lower VAT and total body fat deposition (25).”
From Eucaloric diets enriched in palm olein, cocoa butter, and soybean oil did not differentially affect liver fat concentration in healthy participants: a 16-week randomized controlled trial. (2021) · cites this paper as [24]
Mice consuming SFAs esterified at the sn-1,3 positions (palm olein) displayed lower adiposity and aSCAT gain and greater excretion of SFAs than those consuming SFAs esterified at the sn-2 position or PUFAs (soybean oil).
“In line with this notion, mice consuming SFAs esterified at the sn -1, 3 positions [palm olein (POo)] displayed lower adiposity and aSCAT gain and greater excretion of SFAs than those consuming SFAs esterified at the sn2 position (chemically interesterified POo) or PUFAs (SBO) (24).”
From Eucaloric diets enriched in palm olein, cocoa butter, and soybean oil did not differentially affect liver fat concentration in healthy participants: a 16-week randomized controlled trial. (2021) · cites this paper as [24]

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Stearic acids at<i>sn</i>-1, 3 positions of TAG are more efficient at limiting fat deposition than palmitic and oleic acids in C57BL/6 mice
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Authors: Gouk, S. W., Cheng, S. F., Mok, J. S. L., Ong, A. S. H., & Chuah, C. H.
Affiliations: University of Malaya (MY)
Corresponding author: Cheng, Sit Foon
ORCID: Cheng, Sit Foon
Chuah, Cheng Hock
Venue: British Journal of Nutrition
Publisher: Cambridge University Press (CUP)
Published: 2013-06-12
Volume: 110
Issue: 11
Pages: 1987-1995
ISSN: 0007-1145 (ISSN-L)
1475-2662
DOI: 10.1017/s0007114513001475
OpenAlex: W2169719714
Cited by: 18
References: 32
Citations by year: 2024: 1 · 2023: 2 · 2022: 1 · 2021: 1 · 2020: 3 · 2018: 2 · 2017: 2 · 2016: 1 · 2015: 3 · 2014: 1 · 2013: 1
FWCI: 1.86
Type: journal article
Language: en
Open access: bronze
doi.org
Licence: www.cambridge.org/core/terms (unspecified)
Locations: British Journal Of Nutrition (publishedVersion)
PubMed (publishedVersion)
Topics: Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Life Sciences › Agricultural and Biological Sciences › Food Science › Food Chemistry and Fat Analysis
Keywords: long-chain saturated fatty acids, fat deposition, visceral fat, subcutaneous adipose tissue, palm olein, soybean oil, fatty acid absorption, dietary fat
MeSH terms: Palm Oil, Adipose Tissue, Animals, Diet, Reducing, Dietary Fats, Digestion, Fatty Acids, Feces, Intestinal Absorption, Isomerism, Male, Mice, Inbred C57BL, Plant Oils, Random Allocation, Soybean Oil, Triglycerides, Weaning, Molecular Structure, Weight Gain, Subcutaneous Fat, Adiposity, Subcutaneous Fat, Abdominal, Mice

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Long-chain SFA at the sn-1, 3 positions of TAG reduce body fat deposition in C57BL/6 mice

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