| I101 | IAEA | International Atomic Energy Agency | Oversees the safe use of radiation in food preservation. | Approves irradiation methods for sterilizing spices. |
| I102 | IARC | International Agency for Research on Cancer | Classifies carcinogenic risks of food additives. | Evaluates acrylamide in fried foods. |
| I103 | IBDP | International Beverage Development Program | Focuses on innovation in beverage formulations. | Develops plant-based energy drinks. |
| I104 | IBWA | International Bottled Water Association | Regulates bottled water safety standards. | Sets purity guidelines for mineral water. |
| I105 | ICBA | International Coffee and Beverage Association | Promotes research on coffee quality and brewing. | Defines aroma and flavor grading standards. |
| I106 | ICCO | International Cocoa Organization | Oversees global cocoa trade and quality. | Sets standards for chocolate production. |
| I107 | ICES | International Council for the Exploration of the Sea | Researches marine food resources. | Studies sustainable fish harvesting. |
| I108 | ICL | International Chemicals Limited | Manufactures food-safe cleaning agents. | Supplies sanitizers for food processing plants. |
| I109 | ICP-MS | Inductively Coupled Plasma Mass Spectrometry | Analytical technique for metal detection in food. | Detects lead contamination in baby food. |
| I110 | ICTI | International Council of Toy Industries | Ensures food-grade safety for edible toys. | Certifies safety of edible decorations. |
| I111 | IDDSI | International Dysphagia Diet Standardisation Initiative | Defines texture-modified diets for swallowing disorders. | Used in hospital food preparation. |
| I112 | IDF | International Dairy Federation | Sets dairy production and safety standards. | Defines pasteurization protocols. |
| I113 | IEFG | International Egg Foundation Group | Promotes egg nutrition and global supply chains. | Runs poultry welfare projects. |
| I114 | IEN | Integrated Environmental Nutrient | Monitors nutrient levels in water used for crops. | Used in hydroponic food systems. |
| I115 | IFPRI | International Food Policy Research Institute | Conducts global research on food security. | Analyzes hunger and agricultural data. |
| I116 | IFQC | International Food Quality Certification | Provides accreditation for food safety systems. | Certifies ISO 22000-compliant facilities. |
| I117 | IFREMER | Institut Français de Recherche pour l’Exploitation de la Mer | French institute for marine food research. | Studies seafood contamination. |
| I118 | IFSAC | Interagency Food Safety Analytics Collaboration | US partnership analyzing foodborne illness sources. | Identifies Salmonella contamination trends. |
| I119 | IFT | Institute of Food Technologists | Global professional association for food scientists. | Publishes Journal of Food Science. |
| I120 | IGD | Institute of Grocery Distribution | Provides market insights on food retail trends. | Analyzes supermarket sustainability practices. |
| I121 | IGE | Immunoglobulin E | Antibody linked to food allergies. | Measured in allergy testing. |
| I122 | IGFS | Institute for Global Food Security | Researches safe and sustainable food systems. | Studies authenticity in meat labeling. |
| I123 | IGI | Insect Growth Inhibitor | Used to control pest life cycles in stored grains. | Prevents beetle infestations. |
| I124 | IHC | Immunohistochemistry | Detects food allergens using antibody staining. | Identifies gluten in baked goods. |
| I125 | IIASA | International Institute for Applied Systems Analysis | Studies agricultural and food system modeling. | Predicts global crop yields. |
| I126 | IICP | Industrial Ingredient Control Program | Regulates sourcing and use of raw materials. | Monitors emulsifiers and stabilizers. |
| I127 | IIPR | Indian Institute of Pulses Research | Researches pulse crop improvement. | Develops high-protein lentil varieties. |
| I128 | IITA | International Institute of Tropical Agriculture | Improves food crop productivity in tropical zones. | Develops pest-resistant cassava. |
| I129 | ILCA | International Livestock Centre for Africa | Researches livestock production and nutrition. | Studies milk yield improvement in cattle. |
| I130 | ILRI | International Livestock Research Institute | Focuses on animal-source foods and food safety. | Promotes dairy production in developing regions. |
| I131 | ILTA | International Long-Term Agreement | Food export or import regulatory framework. | Used in long-term grain supply contracts. |
| I132 | IMFUFA | International Microbiological Federation of Food and Agriculture | Coordinates food microbiology research. | Studies pathogen detection techniques. |
| I133 | IMPI | International Microwave Power Institute | Promotes applications of microwave technology. | Researches microwave-assisted food drying. |
| I134 | IMSCS | International Meat Science and Consumer Studies | Examines meat quality and consumer preference. | Develops tenderness grading models. |
| I135 | INA | Institute of Nutrition of Central America and Panama | Works on nutrition improvement programs. | Develops fortified maize flour. |
| I136 | INE | Institute of Nutrition and Food Technology (Chile) | Conducts national food and nutrition research. | Evaluates public health diets. |
| I137 | INN | International Nonproprietary Name | Generic naming for bioactive food ingredients. | Assigns names to probiotics and enzymes. |
| I138 | INP | International Nutritional Program | Supports global food fortification initiatives. | Implements vitamin A fortification. |
| I139 | INSERM | Institut National de la Santé et de la Recherche Médicale | Conducts medical and nutrition research. | Studies obesity and diet correlation. |
| I140 | INTA | Instituto Nacional de Tecnología Agropecuaria | Argentina’s agricultural technology institute. | Improves crop production systems. |
| I141 | IOCS | International Organization for Cereal Science | Develops global cereal quality methods. | Defines flour moisture content standards. |
| I142 | IOE | Institute of Environment | Studies environmental effects on food systems. | Researches pesticide residue persistence. |
| I143 | IOML | International Organization for Marine Laboratories | Collaborates on seafood safety. | Tests heavy metals in fish. |
| I144 | IPFS | Integrated Postharvest Food System | Reduces loss after harvesting crops. | Used in fruit cold storage design. |
| I145 | IPPA | International Potato Processing Association | Promotes potato industry standards. | Develops low-oil frying methods. |
| I146 | IPPC | International Plant Protection Convention | Regulates plant pest control globally. | Prevents invasive species in food crops. |
| I147 | IQA | Internal Quality Audit | Ensures internal compliance in food processing plants. | Conducted monthly for HACCP verification. |
| I148 | IQF | Individually Quick Frozen | Rapid freezing technique to preserve food quality. | Used for frozen berries and seafood. |
| I149 | IQMS | Integrated Quality Management System | Comprehensive system ensuring food quality. | Combines ISO and HACCP protocols. |
| I150 | IRAC | Insecticide Resistance Action Committee | Monitors pest resistance in agriculture. | Updates pesticide rotation guidelines. |
| I151 | IRCT | International Rice Cold-Chain Transport | Maintains low temperature during rice export. | Prevents spoilage during shipment. |
| I152 | IRMS | Isotope Ratio Mass Spectrometry | Determines origin and authenticity of foods. | Verifies honey purity. |
| I153 | IRRI | International Rice Research Institute | Develops rice varieties and technologies. | Creates flood-tolerant rice. |
| I154 | ISAAA | International Service for the Acquisition of Agri-Biotech Applications | Promotes biotechnology in agriculture. | Distributes GM crop information. |
| I155 | ISBT | International Society of Beverage Technologists | Standardizes beverage production processes. | Sets guidelines for carbonated drinks. |
| I156 | ISGA | International Sprout Growers Association | Promotes safe sprout production. | Implements anti-bacterial sprouting methods. |
| I157 | ISN | International Society for Nutrition | Encourages nutrition research globally. | Organizes international nutrition congresses. |
| I158 | ISOFAR | International Society of Organic Agriculture Research | Promotes organic food research collaboration. | Publishes studies on soil health. |
| I159 | ISOP | Isoprene Polymer | Used in making flexible food packaging materials. | Found in rubberized food container seals. |
| I160 | ISOT | International Symposium on Olfaction and Taste | Research conference on food sensory science. | Discusses flavor molecule perception. |
| I161 | ISPM | International Standards for Phytosanitary Measures | Defines pest control methods for trade crops. | Ensures pest-free shipments of fruits. |
| I162 | ISSA | International Seed Science Association | Promotes high-quality seed production. | Certifies genetically stable seeds. |
| I163 | ISTA | International Seed Testing Association | Standardizes testing procedures for seeds. | Determines germination rate for grain seeds. |
| I164 | ISTF | International Seafood Trade Forum | Forum on seafood sustainability and safety. | Discusses fish certification programs. |
| I165 | ITAC | International Tea Association Council | Oversees tea quality and trade regulations. | Sets global tea grading standards. |
| I166 | ITAF | International Trade in Agricultural Food | Manages global trade policies for agriculture. | Coordinates export agreements. |
| I167 | ITAS | Integrated Traceability and Authentication System | Verifies origin of food products. | Used in meat and dairy tracking. |
| I168 | ITCA | International Thermo Processing Council | Focuses on heating and pasteurization methods. | Researches new thermal sterilization techniques. |
| I169 | ITDI | Industrial Technology Development Institute | Advances food manufacturing technologies. | Develops food-grade enzymes. |
| I170 | ITES | Information Technology Enabled Services | Supports food supply chain management. | Manages online ordering systems. |
| I171 | ITI | International Tea Institute | Provides research and training for tea science. | Develops low-caffeine tea variants. |
| I172 | ITMA | International Textile and Machinery Association | Involves packaging fabrics and filters. | Produces nonwoven tea bag materials. |
| I173 | ITPGRFA | International Treaty on Plant Genetic Resources for Food and Agriculture | Ensures conservation and fair use of crop diversity. | Supports seed banks globally. |
| I174 | ITRI | International Tin Research Institute | Studies tin usage in food can coatings. | Improves safety of canned goods. |
| I175 | ITT | Instant Thermal Treatment | Rapid heating to destroy microbes in food. | Used in UHT milk processing. |
| I176 | IUF | International Union of Food Workers | Protects labor rights in the food industry. | Advocates for ethical food supply chains. |
| I177 | IUHPE | International Union for Health Promotion and Education | Promotes healthy diet and lifestyle initiatives. | Organizes nutrition awareness programs. |
| I178 | IUL | International Union of Laboratories | Certifies labs performing food testing. | Accredits labs for ISO 17025 compliance. |
| I179 | IUMS | International Union of Microbiological Societies | Coordinates research in food microbiology. | Publishes standards for fermentation microbes. |
| I180 | IUP | International Union of Physiology | Studies human metabolism and nutrition. | Researches caloric energy efficiency. |
| I181 | IVAC | Institute for Vaccine and Applied Clinical Research | Studies vaccine stability in food preservation. | Examines edible vaccine technology. |
| I182 | IVI | International Vaccine Institute | Develops vaccines improving food safety. | Produces cholera vaccines for seafood regions. |
| I183 | IWBT | Institute for Wine Biotechnology | Specializes in wine fermentation science. | Develops yeast strains for aroma control. |
| I184 | IWFA | International Wine and Food Association | Promotes food-wine pairing education. | Organizes global tasting events. |
| I185 | IWFS | International Wine and Food Society | World’s oldest gastronomic society. | Hosts fine dining and food pairing studies. |
| I186 | IWGP | International Wheat Genetics Program | Improves wheat yield and disease resistance. | Develops drought-tolerant varieties. |
| I187 | IWI | International Water Institute | Focuses on sustainable irrigation systems. | Promotes efficient water use in agriculture. |
| I188 | IWMI | International Waste Management Institute | Manages waste recycling in food industries. | Implements composting systems for food waste. |
| I189 | IWQC | International Water Quality Council | Sets standards for safe food-processing water. | Tests bottled water purity. |
| I190 | IWS | International Wool Secretariat | Regulates wool used in food packaging and filtration. | Supplies lanolin filters in dairy industry. |
| I191 | IXC | Industrial X-ray Calibration | Calibrates equipment for food inspection. | Ensures precision in contamination detection. |
| I192 | IXP | Integrated Export Program | Supports international food trade and compliance. | Certifies export-quality spices. |
| I193 | IYCN | International Year of Chemistry and Nutrition | UNESCO initiative to promote food chemistry awareness. | Held public campaigns on food molecules. |
| I194 | IYFP | International Year of Family Farming | Promotes small-scale agriculture sustainability. | Encourages local food production. |
| I195 | IZAA | Institute for Zero Additive Applications | Researches natural food preservation. | Develops additive-free formulations. |
| I196 | IZID | International Zoonotic Infectious Disease | Monitors animal-borne diseases in food chains. | Controls avian flu outbreaks. |
| I197 | IZP | International Zero Plastics | Promotes biodegradable packaging for foods. | Encourages compostable film use. |
| I198 | IZS | Istituti Zooprofilattici Sperimentali | Italian labs for animal and food safety. | Monitors residues in milk and meat. |
| I199 | IZN | International Zinc Nutrition Organization | Promotes zinc fortification in foods. | Implements global nutrition programs. |
| I200 | IZT | International Zero Toxin Program | Global initiative for toxin-free foods. | Aims to eliminate aflatoxin contamination. |