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 (măk′rō-no͞o′trē-ənt, -nyo͞o′-)
A substance required in relatively large amounts for the normal growth and development of an organism. Macronutrients for animals include fat, carbohydrate, and protein, while for most plants they include chemical elements such as carbon, hydrogen, oxygen, nitrogen, and phosphorus.


(Biochemistry) any substance, such as carbon, hydrogen, or oxygen, that is required in large amounts for healthy growth and development


(ˌmæk roʊˈnu tri ənt, -ˈnyu-)

1. any of the nutritional components required in relatively large amounts: protein, carbohydrate, fat, and the essential minerals.
2. any of the chemical elements required by plants in relatively large amounts: nitrogen, phosphorus, and potassium.


- One required in relatively large amounts by organisms, e.g. carbohydrates, fats, and proteins.
See also related terms for organism.
References in periodicals archive ?
After N the secondly p is an essential macro nutrient, plays several biochemical and physiological function of plant.
The menu covers breakfast and lunch and all dishes are labelled with their calorie content together with a full macro nutrient breakdown covering the amount of protein, carbohydrates and fat contained so diners can make informed choices about what they eat.
The present study was undertaken to know the macro nutrient status of soils of Milkipurvillage and an attempt was also made to correlate macro nutrients content of the soils with other soil properties.
All the macro nutrient (N+, P+, K+, and Ca +) are regarded important constituents for the activities of all kinds of enzymes for example these may act as a building block of cell wall, can regulate the synthesis of protein and integrate protein components, similarly may serve as essential factors for cell wall, plasma membrane, photosynthetic protein complexes and constitute bases for the synthesis of genetic material (RNA and DNA) (Taiz and Zeiger, 2002).
Consumers are also beginning to understand that protein is a key macro nutrient, delivering energy and supporting muscle growth.
Gluten-free is still key, macro nutrient benefits such as high fiber and protein for long-lasting satiety will remain a strong focus, and sprouted grains are really taking off right now," observes Mahaffy "Chia seeds, ancient grains and coconut are still hot ingredients.
Steps towards Defining a Healthy Diet: Micro and Macro Nutrient Recommendations
Excessive intensification of agriculture over the years has led to, reduced soil fertility attributed to micro and macro nutrient deficiency, soil erosion, soil salinity, toxicity and overall degradation of the rather fragile agro ecosystem of the country (Nayyar, 1990).
Therefore, in order to obtain high bioactive compounds content nitrogen is necessary as main macro nutrient.
Table 4: Effect of substrate macro nutrient (N, P, K, Ca, Mg) and micronutrient (Fe, Cu, Mn, Zn, B) concentration at tomato plant shoot (Values are means of four replicates except control with eight replicates) Treatments Mg (g [kg.
It claimed the wet and dry ranges were the first catfood to offer a diet with a Macro Nutrient Profile, which indicates the amount of energy derived from protein, fats and carbohydrate.
Mean of FFQs seems to give more overestimated energy and macro nutrient intake than 24 HRs, respectively as 1877.