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Published on: August 6, 2018
Nuts: source of energy and macronutrients
Gemma Brufau1, Josep Boatella, Magda Rafecas
1Nutrition and Food Science Department, CeRTA, University of Barcelona, 08028 Barcelona, Spain.
The British Journal of Nutrition
|November 28, 2006
Summary
Despite their high fat content, nuts do not lead to weight gain. Their rich unsaturated fatty acids and bioactive compounds aid in preventing cardiovascular diseases.
Area of Science:
- Nutritional Science
- Cardiovascular Health
Background:
- Nuts are calorie-dense due to high fat content.
- Epidemiological and clinical data do not link nut consumption to increased Body Mass Index (BMI).
Purpose of the Study:
- To analyze the nutritional composition of nuts.
- To evaluate the role of nuts in preventing cardiovascular diseases.
Main Methods:
- Analysis of macronutrient composition (protein, carbohydrates, fat).
- Review of epidemiological and clinical observations regarding nut intake and BMI.
- Assessment of fatty acid profiles and presence of bioactive molecules.
Main Results:
- Nuts contain protein, carbohydrates, and predominantly unsaturated fats.
- Nuts have a low lysine:arginine ratio, linked to reduced risk of hypercholesterolemia and atherosclerosis.
- Nuts are rich in fiber, phytosterols, vitamins, antioxidants, and minerals.
Conclusions:
- Nuts are a valuable addition to healthy diets for cardiovascular disease prevention.
- Their nutritional profile, including unsaturated fats and bioactive compounds, supports heart health.
- Despite high energy content, nuts do not promote weight gain and offer protective cardiovascular benefits.
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