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Macronutrient substitutes: Safety evaluation
Regulatory Toxicology and Pharmacology, 1992Macronutrient substitutes, reduced-calorie substances used to replace organoleptic and/or functional properties of fats and sugars in the diet, may become a significant part of the diet as the trend toward lower fat and lower calorie diets continues. Procedures currently used to evaluate the safety of traditional food additives (microadditives) may be ...
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1999
Important considerations concerning nitrogen in plants include the amount of nitrogen required, the forms of nitrogen (inorganic and organic) present in plant tissue, the ways that nitrogen is used in plants and affected by fertilization, and symptoms plants show when nitrogen is deficient.
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Important considerations concerning nitrogen in plants include the amount of nitrogen required, the forms of nitrogen (inorganic and organic) present in plant tissue, the ways that nitrogen is used in plants and affected by fertilization, and symptoms plants show when nitrogen is deficient.
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Abstract This chapter summarizes the distributions of and controls on species of the major nutrients nitrogen, phosphorus and silica in seawater. These major macronutrients forge a direct connection between chemical and biological oceanography.
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