Nutritional Adequacy of Plant-Based Diets

A vegetarian dietary pattern as a nutrient-dense approach to weight management: an analysis of the national health and nutrition examination survey 1999-2004.

BACKGROUND:Population-based studies have shown that vegetarians have lower body mass index than nonvegetarians, suggesting that vegetariandiet plans may be an approach for weight management. However, a perception exists that vegetarian diets are deficient in certain nutrients. OBJECTIVE:To compare dietary quality of vegetarians, nonvegetarians, and dieters, and to test the hypothesis that a vegetarian diet would not compromise nutrient intake when used to manage body weight.

Clinical practice: vegetarian infant and child nutrition.

The aim of this review is to give insight on the benefits and risks of vegetarianism, with special emphasis on vegetarian child nutrition. This eating pattern excluding meat and fish is being adopted by a growing number of people. A vegetarian diet has been shown to be associated with lower mortality of ischaemic heart disease and lower prevalence of obesity. Growth in children on a vegetarian diet including dairy has been shown to be similar to omnivorous peers.

The effect of vegetarian diet on selected essential nutrients in children.

NTRODUCTION:Vegetarian diets are considered to promote health and reduce the risk of some chronic diseases. It is also known that restriction or exclusion of animal foods may result in low intake of essential nutrients. The aim of the presented study was to assess the intake and serum status of vitamin B12, folate, vitamins A, E and D, as well as concentrations of homocysteine, total antioxidant status and iron balance in Polish vegetarian children.

Serum concentration of adipocytokines in prepubertal vegetarian and omnivorous children.

THE AIM of our study was to investigate associations between serum adipocytokines status and anthropometric parameters as well as total energy and macronutrient intake in vegetarian, normal-weight omnivorous and obese omnivorous children. MATERIAL AND METHODS:We examined 90 healthy prepubertal children aged 4-10 years who had been referred to the Department of Nutrition at the Institute of Mother and Child in Warsaw for dietary consultation.

The impact of vegan diet on B-12 status in healthy omnivores: five-year prospective study.

BACKGROUND:There are no long-term prospective studies assessing the impact of the vegan diet on vitamin B-12 (B-12) status. Many vegans take B-12 supplements irregularly or refuse to adopt them at all, considering them to be "unnatural" products. The use of B-12 fortified food may be an alternative. Therefore, we aimed to estimate the long-term effect of a vegan diet on serum B-12 concentrations in healthy omnivore adults, comparing the influence of natural products consumption and B-12 fortified food.

Impact of vegetarian diet on serum immunoglobulin levels in children.

BACKGROUND: Nutrition plays an important role in immune response. We evaluated the effect of nutrient intake on serum immunoglobulin levels in vegetarian and omnivore children. METHODS:Serum immunoglobulin levels and iron status were estimated in 22 vegetarian and 18 omnivore children. Seven-day food records were used to assess the diet. RESULTS: There were no significant differences in serum IgA, IgM, and IgG levels between groups of children. Serum immunoglobulin levels were lower in vegetarian children with iron deficiency in comparison with those without iron deficiency.

Effect of vegetarian diets on zinc status: a systematic review and meta-analysis of studies in humans.

Plant-based diets contain less saturated fat and cholesterol, and more folate, fibre, and phytochemicals than omnivorous diets, however some micronutrients, especially zinc, are poorly bioavailable. The findings of studies exploring the zinc intake and zinc status in populations that habitually consume vegetarian diets are inconsistent. This study aims to investigate the effects of plant-based diets on dietary zinc intake and status in humans using systematic review and meta-analysis techniques. Thirty-four studies were included in the systematic review.

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