Macronutrients & Products: Food & Beverage
Learn the developments, processing and ingredients behind the daily available food and beverages produces by certain manufacturers along with the health implications and nutritional quality behind these products.
Food & Beverage Nutrition Fundamentals
Get the basics from nutritional data sciences released to the biochemical understanding for a more vast and flexibility in the knowledge of having to deal with nutritional quality whenever and wherever.
Basic Biochemistry Of Nutrients & Dietary Sources
Biochemical fundamentals and their reactions through metabolic processes with regards to Nutrients & Dietary Sources. How will these sources of sustenance react with our body and how will our body respond?
Metabolic Pathways: Energy Metabolism
Metabolic Disease & Disorders: Insight To The Major Issues
when we see an individual who struggles with his or her weight, there are key observations and factors related to the issue we must come to understand before taking part or initiating and health approach or protocol.
Fasting & Findings
With so much options for both Food & Beverages marketed and accessible, Its easy to get caught up in constantly feeding and unconsciously consuming when not hungry. What's the best way to give our body time to rest, recover and replenish itself. Find out the process here.
Biological Machines & Nature´s Regulators: Viruses, Bacteria & Fungi
Discover the interesting role behind a diverse and unique group of organic Kingdoms that contribute to the essential change and progress of our natural order and overall bio systems.
Breathing & Nutrition: Overlooked Combination of life
We look at how both breathing and nutritional consumption play a crucial and crucial role in not just better health and well being but also better movement.
Agrochemical & Agricultural Practices
We review, Analyse and look into the many aspect of agricultural practices and methods used in todays food and beverage systems, from the very grain that supplies our stores and fast food franchises, to the chicken feed and supply and the dairy and cheese that are extracted, treated and distributed to our store shelves.
This feature has been disabled by the administrator
Here is an overview of major agrochemicals used in crop and cattle production, organized by type and application, with notes on their chemical mechanisms and potential human‐health impacts. This along with the previous lessons covering the practices of considering environmental pollution and contamination have to also look at the applied process of chemical and farming stages practised. We are all aware that this is part of the agricultural process and efficient agrobusiness model but with an in depth insight into the very details of its effects and types of chemical applied we come to understand the severity and consequences of these chemical applications on our food sources.
1. Crop Farming Agrochemicals
| Type | Category | Purpose / Use | Chemical Mechanism | Human Health Impacts |
|---|---|---|---|---|
| Fertilizers | Macronutrients | Supply N, P, K for plant growth | Urea / Ammonium nitrate → hydrolysed to NH₄⁺/NO₃⁻; drives amino acid and nucleotide synthesis Triple superphosphate → soluble PO₄³⁻ for ATP, nucleic acids | Excess nitrate in drinking water → methemoglobinemia (“blue baby syndrome”); chronic exposure may form nitrosamines (carcinogenic) |
| Herbicides | Glyphosate | Broad‐spectrum weed control | Inhibits plant 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), blocking aromatic amino acid synthesis | Possible endocrine disruption; IARC “probably carcinogenic” (Group 2A) at high exposures; dermal irritation |
| Atrazine | Broadleaf weed control in maize, sorghum | Inhibits photosystem II electron transport | Endocrine disruption (gonadal deformities in amphibians); possible reproductive toxicity; groundwater contaminant | |
| Insecticides | Organophosphates | Control chewing & sucking insects | Irreversibly inhibits acetylcholinesterase → ACh accumulation → cholinergic overstimulation | Acute neurotoxicity (muscle twitching, respiratory failure); chronic low‐level exposure linked to neurodevelopmental delays |
| Neonicotinoids | Sap-sucking pests (aphids, whiteflies) | Agonists of insect nicotinic acetylcholine receptors | Potential developmental neurotoxicity; endocrine effects; largely excreted but trace residues detected in produce | |
| Fungicides | Azoles (e.g. tebuconazole) | Broad‐spectrum fungal diseases (mildews, rusts) | Inhibits fungal 14α-demethylase (CYP51) → disrupts ergosterol synthesis | Endocrine disruption; liver enzyme induction; possible reproductive toxicity |
| Dithiocarbamates (e.g. mancozeb) | Leaf spot, blight control | Generates reactive oxygen species and reacts with sulfhydryl groups in fungal proteins | Skin sensitization; possible thyroid disruption; ethylenethiourea (ETU) metabolite is teratogenic in rodents |
2. Cattle (Livestock) Agrochemicals
| Type | Category | Purpose / Use | Chemical Mechanism | Human Health Impacts |
|---|---|---|---|---|
| Antibiotics | β-lactams (penicillin), tetracyclines, macrolides | Disease treatment & prophylaxis; growth promotion (sub-therapeutic doses) | β-lactams block bacterial cell-wall synthesis Tetracyclines inhibit 30S ribosomal subunit Macrolides inhibit 50S subunit | Residues in meat/milk can cause allergic reactions; promotes antibiotic-resistant bacteria, undermining human treatments |
| Hormonal Growth Promotants | Steroid implants (trenbolone acetate, estradiol) | Increase feed efficiency and muscle accretion in finishing cattle | Synthetic androgens/estrogens bind nuclear hormone receptors → upregulate protein synthesis and cell proliferation | Endocrine disruption; potential developmental effects; regulators set residue limits, but low-dose exposure concerns remain |
| Ionophores | Monensin, lasalocid | Improve feed efficiency; control coccidiosis | Facilitate Na⁺/K⁺ exchange across protozoal and bacterial membranes → disrupt energy metabolism | Generally low toxicity in humans; can be toxic to horses; potential microbiome shifts in consumers remain under study |
| Anthelmintics | Ivermectin, fenbendazole | Control gastrointestinal nematodes and external parasites | Ivermectin potentiates GABA and glutamate-gated Cl⁻ channels in invertebrates → paralysis Benzimidazoles bind parasite β-tubulin → inhibit microtubule polymerization | Residues in milk/meat are minimal but can cause hypersensitivity; environmental persistence affects aquatic organisms |
| Coccidiostats | Decoquinate, amprolium | Prevent coccidiosis in calves | Inhibit protozoal mitochondrial electron transport or thiamine uptake | Low direct human toxicity; long-term ecological impacts; consumer concerns about overuse |
3. Chemical Processes & Mechanisms in the Animal / Plant
-
Enzyme Inhibition
-
EPSPS (glyphosate) in plants → no phenylalanine/tyrosine/tryptophan → plant death.
-
Cholinesterase (organophosphates) in insects and mammals → ACh build-up → overstimulation of nerve‐muscle junctions.
-
-
Receptor Activation / Blockade
-
Steroid hormones in cattle bind nuclear receptors → gene transcription → muscle growth.
-
Neonicotinoids activate insect nicotinic receptors → paralysis.
-
-
Membrane Disruption
-
Ionophores create uncontrolled ion flux → collapse of protozoal membrane potential.
-
Fungicides (dithiocarbamates) generate free radicals that damage fungal cell membranes.
-
4. Pathways to Human Exposure & Health Risks
-
Residues in Food:
-
Herbicides/Pesticides on produce can persist through washing and cooking.
-
Antibiotics & Hormones in meat and milk—even below regulatory Maximum Residue Limits (MRLs)—raise concerns about long‐term endocrine and microbiome effects.
-
-
Environmental Contamination:
-
Agrochemicals leach into groundwater and surface water → thyroid, reproductive, and developmental toxicities in communities.
-
Runoff carries residues into aquatic food chains → bioaccumulation of organochlorine or organophosphate compounds.
-
-
Microbial Resistance:
-
Sub-therapeutic antibiotic use in livestock selects for multi-drug-resistant bacteria (MRSA, ESBL‐producing E. coli) that can infect humans via direct contact or foodborne routes.
-
-
Endocrine Disruption & Metabolic Effects:
-
Chronic low-dose exposures to steroid residues, atrazine, glyphosate, and certain fungicides have been linked in epidemiological studies to developmental delays, diabetes, obesity, and reproductive disorders—likely via hormone-receptor interactions and oxidative stress pathways.
-
Takeaway
While agrochemicals have revolutionized yield, efficiency, and disease control in both crops and livestock, their mechanistic actions—from enzyme inhibition to hormone mimicry—introduce residues and environmental contaminants that can perturb human metabolic, endocrine, neurological, and microbial systems. Balancing productivity with prudent use, rigorous residue monitoring, and integrated pest‐management strategies is critical to safeguarding both agricultural output and public health. We have attached a couple of PDF additional informative reads if you would like to look into the different agrochemicals and their effects even further.
