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In agriculture, chemical raw materials are mainly used to manufacture fertilizers, pesticides, and growth regulators to improve crop yield and quality. In the food industry, they are used to produce food additives (preservatives, sweeteners, thickeners, colorings), packaging materials, and processing aids to ensure food safety, improve taste, and extend shelf life. These raw materials involve both organic (such as ethanol and acetone) and inorganic (such as phosphorus and potassium) raw materials, forming an indispensable foundation for modern agriculture and the food industry..
Applications in agriculture (agrochemicals)
fertilizer :
It provides essential nutrients such as nitrogen (urea), phosphorus (phosphate fertilizer), and potassium (potassium fertilizer) to promote plant growth and increase yield.
pesticide :
Herbicides : Control weeds and reduce competition for crops.
Insecticides : Control pests and protect crops from damage.
Fungicides : for the prevention and treatment of fungal diseases.
Nematicides : for controlling soil nematodes.
Plant growth regulators : regulate plant growth and development, such as promoting rooting, ripening, and inhibiting excessive growth.
Soil conditioners : improve soil structure and increase fertility, such as gypsum (calcium sulfate).
food additives :
Preservatives (such as potassium sorbate).
Sweeteners (such as aspartame, cyclamate).
Thickeners/stabilizers (such as carrageenan, xanthan gum).
Acidity regulators (such as citric acid and phosphates).
Colorants (natural and synthetic pigments).
Antioxidants (such as vitamin C and BHT).
Food packaging materials :
Polyethylene (PE), polypropylene (PP), polyester (PET), and other polymer materials are used to produce films, bottles, and containers, providing barrier properties, preservation, and convenience.
Processing aids :
Catalysts : Used in oil refining and syrup production.
Cleaning agents/disinfectants : used for food processing equipment and environmental hygiene.
Solvent : Used for extracting fragrances, pigments, etc.
Nutritional fortifiers :
Adding vitamins, minerals, amino acids, etc., can improve the nutritional value of food.