Journal of Food Nutrition and Health

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Commentary - Journal of Food Nutrition and Health (2021) Volume 4, Issue 6

Brief study on Food Nutrition

Dick T.H.M. Sijm*

Department of Food and Product Safety Authority, Maastricht University, Netherlands

Corresponding Author:
Dick T.H.M. Sijm Department of Food and Product Safety Authority, Maastricht University, Netherlands E-mail: [email protected]

Accepted date: 24th November, 2021

Citation: Sijm DTHM, Brief study on Food Nutrition. J Food Nutr Health 2021; 4(6)

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The discharge of industrial effluents, raw sewage wastes and other waste pollute most of the environments and affect survival and physiological activities of aquaculture organisms. Heavy metals in particular can affect aquatic biota and pose a risk to fish consumers. Metals come to the aquatic environment through human action like agricultural activities (pesticide and herbicides), urbanization and industrialization. From time to time the expansion of industrial and urban imputes cause for the increase level of heavy metals in the environment. Essential metals (e.g. copper (Cu), zinc (Zn), chromium (Cr), nickel (Ni), cobalt (Co), molybdenum (Mo) and iron (Fe)) have a known biological role, and toxicity occurs either at metabolic deficiencies or at high concentrations. They believed to accumulate in the tissues of aquatic animals and become toxic when concentrations reach certain toxicity thresholds, values which vary considerably among metals, metal species, taxonomic species and organism life stages. Fish absorb metals mainly through the gills and the digestive track, and to a lesser extent, through the skin.


Sustenance refers to the biochemical and physiological process through which a living organism uses food to help it survive. Ingestion, retention, absorption, biosynthesis, catabolism, and outflow are all included. Healthful science is a branch of study that focuses on the physiological process of eating (additionally nourishment science).

Nourishing get-togethers

Autotrophy (the self-creation of natural food) and heterotrophy (the self-creation of artificial food) are the two main methods in which creatures obtain carbon (the utilization of existing natural carbon). There are four key dietary groupings for organisms, each linked to a source of energy, either light (photography) or compound (chemotrophy).

Supplements are substances that an organic creature uses to survive, develop, and reproduce. Starches, dietary fiber, lipids, proteins, minerals, nutrients, and water are the seven major categories of relevant supplements for creatures (including humans). Supplements can be made up of macronutrients (carbohydrates, dietary fibre, fats, proteins, and water in gramme proportions) or micronutrients (minerals, vitamins, and minerals) (nutrients and minerals required in milligrams or microgram amounts).

Human nutrition

Human nutrition is in charge of the distribution of essential dietary supplements that are necessary for human survival and good health. In people, insufficient nutrition can lead to infections like blindness, frailty, scurvy, preterm birth, stillbirth, and cretinism, as well as supplement overabundance health-threatening conditions like obesity and metabolic syndrome, as well as common ongoing foundational illnesses like cardiovascular disease, diabetes, and osteoporosis. In severe cases of malnutrition, wasting can occur, and in persistent cases of malnutrition, marasmus might be hampered.

Sustenance for creatures

Creature nutrition focuses on the nutritional requirements of animals, often in comparison (or contrast) to other biological entities such as plants. Counts of flesh eaters and herbivores .Calories vary depending on the food variety, with fundamental nitrogen and carbon amounts fluctuating. Many herbivores rely on bacterial age to create edible supplements from unpleasant plant cellulose, whereas committed carnivores must consume animal meat to obtain certain nutrients or supplements that their systems can't otherwise absorb. In comparison to plants, creatures often have a higher energy requirement.

Sustenance for plants

The study of the synthetic components required for plant growth is known as plant sustenance. To build nourishment, there are a few principles to follow. There are a few components that are clearly linked to plant digestion. Nonetheless, this rule ignores the ostensibly beneficial components, whose presence, while not required, has demonstrably positive effects on plant development. If the plant can't finish its whole life cycle without it, a supplement that can limit plant development according to Liebig's law of the base is considered an essential plant supplement. Apart from the three major essential supplements carbon and oxygen, which photosynthetic plants obtain from carbon dioxide in the air, and hydrogen, which is obtained from water, there are 16 basic plant soil supplements. Fundamental components are taken up by plants from the soil through their underlying foundations and from the air (mostly nitrogen and oxygen) through their leaves. Photosynthesis provides green plants with starch, which they obtain from carbon dioxide in the air. Carbon and oxygen are absorbed from the air, while other nutrients are retained from the soil. Cation trade, in which root hairs suck hydrogen particles (H+) into the dirt via proton syphons, is how supplements are taken up in the dirt. These hydrogen particles dislodge cations bound to oppositely charged soil particles, making the cations available for root uptake. Stomata open in the leaves to take in carbon dioxide and expel oxygen. In photosynthesis, carbon dioxide particles are used as a carbon source.

Despite the fact that nitrogen is abundant in the Earth's atmosphere, only a few plants can use it directly. In this way, most plants require nitrogen mixes to be present in the soil where they grow. This is made possible by the fact that microorganisms convert a large amount of unused ambient nitrogen into organically useful structures in the soil as part of a nitrogen fixation cycle. Plant nutrition is a difficult subject to grasp in its whole, in part due to the diversity among plants and even among species or persons of a given clone. Components present at low levels may cause insufficiency symptoms, while harmfulness is possible at excessively high levels. Furthermore, the absence of one component may indicate the harmfulness of another component, and vice versa.


The authors are grateful to the journal editor and the anonymous reviewers for their helpful comments and suggestions.

Declaration of Conflict Interests

The authors declared no potential conflicts of interest for the research, authorship, and/or publication of this article.




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