Nutritional Adequacy of Plant-Based Diets

Free fruit at workplace intervention increases total fruit intake: a validation study using 24 h dietary recall and urinary flavonoid excretion.

BACKGROUND/OBJECTIVES:To validate 24 h dietary recall of fruit intake by measuring the total 24 h excretion of 10 different flavonoids in 24 h urine during an intervention with free fruit at workplaces.

Iron Status and Dietary Iron Intake of Vegetarian Children from Poland.

Background/Aim: In Poland, vegetarian diets are becoming more and more popular. The aim of this study was to examine the effect of iron intake on iron status in vegetarian children. Methods: Dietary iron intake, iron food sources, blood count, serum iron, ferritin level and total iron-binding capacity were estimated in two groups of children, namely vegetarians (n = 22) and omnivores (n = 18) of both sexes, aged from 2 to 18 years. Seven-day food records were used to assess their diet.

Vegetarian diets.

A growing number of Americans are choosing to follow vegetarian diets. These diets can meet the nutritional needs of individuals of all ages. Vegetarians who eat eggs and/or milk and dairy products have no special problems in obtaining adequate nutrients. Pure vegetarians, who avoid all animal products, should pay particular attention to sources of protein, calcium, and riboflavin. Supplementation of vitamin B12 is indicated in these individuals. Guidelines for both good normal nutrition and therapeutic diets can be adapted for use with a vegetarian diet.

Nutritional status of lacto-ovo vegetarian Trappist monks.

The nutritional status of members of a lacto-ovo vegetarian Trappist community was studied. Body weights and heights were normal. An analysis of four weeks' menus showed that, for the most part, sufficient nutrients were provided. A 24-hr. dietary recall revealed that a number of the subjects had low intakes of some nutrients, particularly the B-vitamins and calcium, iron, magnesium, and zinc.

Multiple nutritional deficiencies in infants from a strict vegetarian community

Severe nutritional deficiencies developed in four infants from a new vegan religious community. They had received breast milk until the age of 3 months; thereafter, breast milk was supplemented with or replaced by extremely low caloric-density preparations. All of the infants had profound protein-caloric malnutrition, severe rickets, osteoporosis, and vitamin B12 and other deficiencies. One infant died, while the three others had an uneventful recovery.

Risk of nutritional rickets among vegetarian children

Records of the dietary intake of 52 preschool vegetarian children seen from 1974 to 1976 revealed that macrobiotic vegetarian diets provided amounts of vitamin D, calcium, and phosphorus that were marginal as well as less than the amounts provided by other vegetarian diets. Vitamin D supplements were rarely given. Two subjects had roentgenographic evidence of rickets.


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