See the published version of this preprint at Lipids in Health and Disease.
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Małgorzata Moszak
Uniwersytet Medyczny imienia Karola Marcinkowskiego w Poznaniu
Corresponding Author
ORCiD: https://orcid.org/0000-0002-8965-6123
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This work is licensed under a CC BY 4.0 License. Read Full License
Background: Amaranth seed oil (ASO) and rapeseed oil (RSO) are functional foods that display antioxidant and hepatoprotective properties. These oils are also known to lower glucose and cholesterol levels. The current study compared the effects exerted by RSO and ASO on weight loss and metabolic parameters during a 3-week body mass reduction program.
Methods: Eighty-one obese subjects (BMI > 30 kg/m2), aged 25-70 years, were enrolled in a 3-week body mass reduction program based on a calorie-restricted diet and physical activity. Participants were randomly categorized into an AO group (administered 20 mL/d of ASO), a RO group (administered 20 mL/d of RSO), and a C group (control; untreated). Anthropometric and metabolic parameters were measured at baseline and endpoint.
Results: Significant decreases in weight, body mass index (BMI), waist circumference (WC), hip circumference (HC), fat mass (FM), lean body mass (LBM), visceral fat mass (VFM), and total body water (TBW%) were observed in all groups (P < 0.05). No significant improvements were observed in the clinical parameters of group C. Fasting insulin (Δ -5.9, and Δ -5.7) and homeostatic model assessment of insulin resistance (HOMA-IR) (Δ -1.1 and Δ -0.5) were decreased in both RO and AO groups, respectively. Fasting glucose (Δ -8.5; P = 0.034), total cholesterol (Δ -14.6; P = 0.032), non-HDL cholesterol (Δ 15.9; P = 0.010), TG/HDL ratio (Δ -0.6; P = 0.032), LDL cholesterol (Δ -12.3; P = 0.042), and triglycerides (Δ -6.5; P = 0.000) were significantly improved in the AO group, compared to the RO group.
Conclusions: The 3-week body mass reduction intervention caused a significant reduction in the weight, BMI, WC, HC, FM, and VFM of all groups. Except for HOMA-IR, there were no statistical differences between the clinical parameters of all groups. However, a trend toward improved insulin levels and HDL% was noticeable in AO and RO. Therapies involving edible oils with high nutritional value, such as RSO and ASO, show potential for improving metabolic measurements during body mass reduction programs. Thus, obese patients undertaking weight reduction programs may benefit from RSO and ASO supplementation.
Keywords
Amaranth seed oil, Body composition, Metabolic profile, Rapeseed oil, Weight loss
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On 19 May, 2020
Reviewer #2 agreed
On 19 May, 2020
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Received 19 May, 2020
Reviewer #3 agreed
On 19 May, 2020
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On 18 May, 2020
Editor invited
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Editorial decision: Major revision
On 30 Apr, 2020
Review #5 received
Received 29 Apr, 2020
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Received 15 Apr, 2020
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Received 12 Apr, 2020
Reviewer #5 agreed
On 07 Apr, 2020
Reviewer #4 agreed
On 05 Apr, 2020
Reviewer #3 agreed
On 03 Apr, 2020
Reviewer #2 agreed
On 01 Apr, 2020
Reviewer #1 agreed
On 31 Mar, 2020
Review #1 received
Received 31 Mar, 2020
Reviewers invited
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See the published version of this preprint at Lipids in Health and Disease.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research
Małgorzata Moszak
Uniwersytet Medyczny imienia Karola Marcinkowskiego w Poznaniu
Corresponding Author
ORCiD: https://orcid.org/0000-0002-8965-6123
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Lipids in Health and Disease.
Version 4
Posted 16 Jun, 2020
No community comments so far
Editor assigned
On 15 Jun, 2020
Reviewers invited
Invitations sent on 15 Jun, 2020
Submission checks complete
On 14 Jun, 2020
Editor invited
On 14 Jun, 2020
No comments provided
Editor assigned
On 11 Jun, 2020
Editorial decision: Major revision
On 11 Jun, 2020
Submission checks complete
On 10 Jun, 2020
Editor invited
On 10 Jun, 2020
No comments provided
Review #5 received
Received 30 May, 2020
Editorial decision: Major revision
On 30 May, 2020
Review #3 received
Received 26 May, 2020
Review #2 received
Received 26 May, 2020
Reviewer #5 agreed
On 23 May, 2020
Reviewer #4 agreed
On 20 May, 2020
Review #4 received
Received 20 May, 2020
Editor assigned
On 19 May, 2020
Reviewers invited
Invitations sent on 19 May, 2020
Reviewer #1 agreed
On 19 May, 2020
Reviewer #2 agreed
On 19 May, 2020
Review #1 received
Received 19 May, 2020
Reviewer #3 agreed
On 19 May, 2020
Submission checks complete
On 18 May, 2020
Editor invited
On 18 May, 2020
No comments provided
Editorial decision: Major revision
On 30 Apr, 2020
Review #5 received
Received 29 Apr, 2020
Review #3 received
Received 22 Apr, 2020
Review #2 received
Received 15 Apr, 2020
Review #4 received
Received 12 Apr, 2020
Reviewer #5 agreed
On 07 Apr, 2020
Reviewer #4 agreed
On 05 Apr, 2020
Reviewer #3 agreed
On 03 Apr, 2020
Reviewer #2 agreed
On 01 Apr, 2020
Reviewer #1 agreed
On 31 Mar, 2020
Review #1 received
Received 31 Mar, 2020
Reviewers invited
Invitations sent on 30 Mar, 2020
Editor assigned
On 29 Jan, 2020
Submission checks complete
On 28 Jan, 2020
Editor invited
On 28 Jan, 2020
First submitted
On 26 Jan, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Lipids in Health and Disease.
Background: Amaranth seed oil (ASO) and rapeseed oil (RSO) are functional foods that display antioxidant and hepatoprotective properties. These oils are also known to lower glucose and cholesterol levels. The current study compared the effects exerted by RSO and ASO on weight loss and metabolic parameters during a 3-week body mass reduction program.
Methods: Eighty-one obese subjects (BMI > 30 kg/m2), aged 25-70 years, were enrolled in a 3-week body mass reduction program based on a calorie-restricted diet and physical activity. Participants were randomly categorized into an AO group (administered 20 mL/d of ASO), a RO group (administered 20 mL/d of RSO), and a C group (control; untreated). Anthropometric and metabolic parameters were measured at baseline and endpoint.
Results: Significant decreases in weight, body mass index (BMI), waist circumference (WC), hip circumference (HC), fat mass (FM), lean body mass (LBM), visceral fat mass (VFM), and total body water (TBW%) were observed in all groups (P < 0.05). No significant improvements were observed in the clinical parameters of group C. Fasting insulin (Δ -5.9, and Δ -5.7) and homeostatic model assessment of insulin resistance (HOMA-IR) (Δ -1.1 and Δ -0.5) were decreased in both RO and AO groups, respectively. Fasting glucose (Δ -8.5; P = 0.034), total cholesterol (Δ -14.6; P = 0.032), non-HDL cholesterol (Δ 15.9; P = 0.010), TG/HDL ratio (Δ -0.6; P = 0.032), LDL cholesterol (Δ -12.3; P = 0.042), and triglycerides (Δ -6.5; P = 0.000) were significantly improved in the AO group, compared to the RO group.
Conclusions: The 3-week body mass reduction intervention caused a significant reduction in the weight, BMI, WC, HC, FM, and VFM of all groups. Except for HOMA-IR, there were no statistical differences between the clinical parameters of all groups. However, a trend toward improved insulin levels and HDL% was noticeable in AO and RO. Therapies involving edible oils with high nutritional value, such as RSO and ASO, show potential for improving metabolic measurements during body mass reduction programs. Thus, obese patients undertaking weight reduction programs may benefit from RSO and ASO supplementation.
Figure 1
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