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Published on: June 9, 2021
The inside story of fruits; exploring the truth behind conventional theories
Ranil Jayawardena1, Piumika Sooriyaarachchi2
1Department of Physiology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka; Queensland University of Technology (QUT), Faculty of Health, School of Exercise and Nutrition Sciences, Brisbane, Queensland, Australia.
Background And Aims:
Consumption of fruits and vegetables are important to prevent several diet related diseases. Many dietary guidelines including world health organization (WHO) recommend at least two fruits per day. Our aim here is to highlight theoretical deficiencies in the field of nutritional science that would possibly cause misinterpretations to assess the fruit intake worldwide.
Methods:
Information regarding fruits and vegetables serving sizes were obtained from WHO, National Health Service UK, American Heart Association and the United States Department of Agriculture (USDA). Nutritional compositions of fruits were collected from the USDA, FoodData Central database.
Results:
Three main problems causing misinterpretations to the measurement of global fruit intake were identified. First, the absence of a clear definition to classify a fruit; second, lacking a scientific justification for the nutritional composition of servings of fruits; and thirdly, absence of a standard amount or size for a serving of fruits. Since the carbohydrates are the main nutrient in the fruits, it was suggested to determine the serving size according to the 15 g.
Conclusions:
Nutrition experts and other reputed international organizations must focus their attention on scientifically backed definitions and serving size estimations of fruits.
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