Food Preparation and Nutrition GCSE
Food Preparation and Nutrition GCSE glossary
154 key terms for Food Preparation and Nutrition GCSE, A to Z, each linked to the topic pages that use it.
A
- Allergens
- Specific substances (e.g., gluten, nuts, dairy) that cause an immune response, necessitating strict labeling and limiting choice for affected individuals.AQA
B
- Bioavailability
- The proportion of a nutrient that is absorbed and utilized by the body, often influenced by food processing and preparation.AQA
- Bioavailability and Absorption
- The efficiency with which micronutrients are released from the food matrix and absorbed in the gastrointestinal tract.AQA
- Bioavailability and Nutrient Interaction
- The physiological availability of minerals is governed by chemical interactions; for instance, Vitamin C enhances non-haem iron absorption, while phytates in…AQA
- Biodiversity
- The variety of all living things and their interactions, essential for maintaining healthy agricultural ecosystems and natural pest control.AQA
- Biological Fermentation
- Investigation into the metabolic activity of Saccharomyces cerevisiae.AQA
- Blanching
- A thermal process involving brief immersion in boiling water to inactivate enzymes before freezing or further processing.AQA
C
- Carbohydrate Transformations
- Analysis of starch-based reactions including gelatinisation in sauces, dextrinisation in dry-heat cooking, and caramelisation of sugars to enhance flavour and…AQA
- Chemical Leavening Mechanisms
- Analysis of the acid-base reactions between alkaline components (e.g., Sodium Bicarbonate) and acidic activators (e.g., Glucono-delta-lactone or Potassium…AQA
- Chemical Oxidation
- The impact of atmospheric oxygen on lipid-rich foods.AQA
- Chemical Stability and Food Safety
- Investigation into the factors affecting the shelf-life of fats, specifically the mechanisms of rancidity and the impact of storage conditions on lipid…AQA
- Coagulation
- The setting of protein molecules following denaturation, often resulting in a change from liquid to solid state.AQA
- Competitive Exclusion
- The process where non-pathogenic microbes dominate a food environment, preventing the colonization of harmful species.AQA
- Conduction
- The transfer of heat through direct contact between molecules in solids or liquids.AQA
- Core temperature
- The temperature at the thickest part of the food.AQA
- Cross-contamination
- The transfer of harmful microorganisms from one food, surface, or piece of equipment to another, often via a vehicle such as hands or knives.AQA
- Cross-Contamination Vectors
- Examination of the transfer of harmful substances or microorganisms to food via direct contact, indirect contact (surfaces/utensils), or drip contamination…AQA
- Culinary Traditions and Heritage
- Analysis of the evolution of regional British dishes and the preservation of heritage techniques alongside the integration of global culinary influences.AQA
- Culinary Traditions and Recipe Modification
- The exploration of British and international cuisines, requiring candidates to adapt traditional recipes to meet modern nutritional guidelines, such as…AQA
- Cultural and Religious Identity
- Analysis of dietary laws (Halal, Kosher, Ital) and traditional foodways that define community identity and restrict or mandate specific ingredient usage.AQA
D
- Danger Zone
- The temperature range between 5°C and 63°C where aerobic bacteria multiply most rapidly.AQA
- Denaturation
- The irreversible change in the tertiary structure of an enzyme's protein, rendering it inactive, typically caused by heat or pH extremes.AQA
- Dextrinisation
- The breakdown of starch molecules into smaller groups of glucose molecules (dextrins) by exposure to dry heat.AQA
- Diet-Related Health Conditions
- Analysis of the causal links between dietary imbalances and pathologies, including Type 2 diabetes, coronary heart disease (CHD), obesity, and osteoporosis,…AQA
- Diet-Related Non-Communicable Diseases (NCDs)
- Investigation into the etiology of conditions such as Type 2 diabetes, CHD, and hypertension, specifically linking macronutrient overconsumption and sedentary…Eduqas
- Dietary Modification for Health Outcomes
- The application of nutritional principles to reduce the risk of diet-related illnesses, including the reduction of free sugars to prevent dental caries and…Eduqas
- Dietary Requirements and Hydration
- Analysis of the Eatwell Guide recommendations (6-8 glasses) and the impact of age, climate, and physical activity levels on individual fluid requirements.AQA
- Dormant
- A state of inactivity.AQA
E
- Economic and Physiological Constraints
- Evaluation of how disposable income, time-poverty, and medical conditions such as Type 2 diabetes or Coeliac disease necessitate specific recipe adaptations…AQA
- Emulsification
- The process of dispersing two immiscible liquids (oil and water) using an agent that has both hydrophilic and hydrophobic ends.AQA
- Energy Balance and Homeostasis
- The equilibrium between energy intake (kilocalories/kilojoules) and total energy expenditure (TEE), governed by the laws of thermodynamics and physiological…AQA
- Energy Balance and Metabolic Homeostasis
- The quantitative relationship between Total Energy Expenditure (TEE), Basal Metabolic Rate (BMR), and Physical Activity Level (PAL) in maintaining healthy…AQA
- Energy Balance and Metabolic Regulation
- The relationship between Basal Metabolic Rate (BMR) and Physical Activity Level (PAL) in maintaining a healthy weight and preventing obesity-related…Eduqas
- Environmental Impact and Carbon Sequestration
- Analysis of greenhouse gas emissions (CO2, CH4, N2O) across the supply chain, focusing on the mitigation strategies within intensive versus extensive farming…AQA
- Enzymatic Degradation
- The role of endogenous enzymes in catalyzing autolysis and browning.AQA
- Enzymatic Hydrolysis
- The breakdown of complex molecules (proteins, fats, starches) into simpler ones through the action of microbial enzymes.AQA
- Ethical and Cultural Provenance
- Evaluation of how consumer choices are driven by animal welfare standards, fair trade practices, and religious dietary requirements (Halal, Kosher) within a…Eduqas
- Ethical and Environmental Considerations
- Evaluation of consumer choices driven by animal welfare, fair trade practices, food miles, and the sustainability of production methods.AQA
- Ethical and Environmental Stewardship
- Analysis of consumer decision-making driven by animal welfare concerns, carbon footprint reduction, and the support of Fairtrade initiatives, impacting the…AQA
- Ethical Consumerism and Transparency
- The role of certification schemes, labeling, and consumer choice in driving corporate social responsibility and supply chain accountability.AQA
- Ethical Sourcing and Global Trade
- Investigation into the socio-economic impacts of trade models, focusing on Fairtrade initiatives, animal welfare standards, and the transparency of the global…AQA
- Ethical Sourcing and Social Responsibility
- Assessment of fair trade practices, animal welfare standards (e.g., RSPCA Assured), and the socio-economic stability of farming communities in the Global South.AQA
- Etiology of Diet-Related Health Conditions
- Investigation into the mechanisms by which nutritional imbalances lead to chronic conditions, including the role of saturated fats in atherosclerosis and free…AQA
- Etiology of Non-Communicable Diseases (NCDs)
- Investigation into the causal links between dietary excess—specifically saturated fats, free sugars, and sodium—and the prevalence of cardiovascular disease,…AQA
- Eutrophication
- The process where water bodies receive excess nutrients, leading to algal blooms and oxygen depletion, often caused by fertiliser runoff.AQA
F
- Factors Influencing Food Choice
- Evaluation of non-nutritional drivers of consumption, including religious dietary laws (Halal, Kosher), ethical considerations (veganism, sustainability), and…AQA
- Food Miles
- A measure of the distance food travels from its point of production to the consumer, used as a proxy for carbon emissions.AQA
- Food Miles and Carbon Footprint
- Analysis of the environmental cost of transportation versus production energy.AQA
- Food Provenance
- The geographical origin, ethical production methods, and environmental impact of commodities, including food miles and carbon footprints.Eduqas
- Food Provenance and Ethical Production
- Examination of the 'farm to fork' pathway, including intensive vs.AQA
- Food Safety and Microbiology
- Application of HACCP principles and the analysis of bacterial growth conditions, focusing on the 'danger zone' (5°C to 63°C) and the prevention of…Eduqas
- Food Security
- The state of having reliable access to a sufficient quantity of affordable, nutritious food.AQA
- Food Spoilage and Enzymatic Degradation
- Analysis of non-microbial spoilage, specifically enzymic browning and oxidation.AQA
- Functional Additives and Food Stability
- The use of chemical and natural substances to maintain the physical and sensory properties of food.AQA
- Functional and Chemical Properties
- The scientific transformation of ingredients during preparation and cooking, including processes such as denaturation, coagulation, aeration, and…AQA
- Functional and Chemical Transformations
- Investigation into the irreversible alterations of proteins, carbohydrates, and fats, specifically focusing on denaturation, coagulation, and caramelisation.AQA
- Functional Chemical Properties
- The transformative processes of carbohydrates during cooking, specifically the role of starch in thickening (gelatinisation) and sugars in browning…AQA
- Functional Properties
- The chemical and physical reactions of ingredients during preparation, including aeration, shortening, and plastic properties of fats.Eduqas
- Functional Properties and Molecular Transformation
- Analysis of how proteins respond to physical and chemical stimuli, including heat, pH changes, and mechanical agitation, leading to denaturation and…AQA
- Functional Properties in Food Preparation
- The use of water as a heat transfer medium in cooking and its role in the preservation of sensory attributes and nutritional density.AQA
- Functional Properties of Lipids
- Analysis of how the physical and chemical characteristics of fats—such as melting points and molecular structure—determine their role in food texture,…AQA
- Functional Properties of Macronutrients
- Investigation into the chemical transformations of proteins, carbohydrates, and fats, including denaturation, coagulation, and gelatinisation.AQA
- Functional Properties of Nutrients
- Investigation into the biochemical changes such as denaturation, coagulation, gelatinisation, and dextrinisation that occur during food processing and…Eduqas
- Functional Properties of Proteins
- Analysis of the chemical and physical changes proteins undergo during food processing, specifically denaturation (unfolding of protein chains) and coagulation…AQA
- Functional Transformation
- The physical and chemical changes in plant cell structures, including the softening of cellulose and the conversion of protopectin to pectin during thermal…AQA
G
- Gelatinisation
- The process where starch granules absorb liquid in the presence of heat, swell, and eventually burst to thicken a liquid.AQA
- Gelatinization
- The process where starch granules absorb liquid, swell, and burst when heated, thickening a liquid.AQA
- Genetically Modified (GM)
- Organisms whose genetic material has been altered; a significant factor in ethical and safety-based food choices.AQA
- Global Food Security
- The challenge of maintaining a resilient food supply for a projected population of 9 billion by 2050 amidst climate volatility and geopolitical instability.AQA
H
- Heat Transfer Mechanisms
- Evaluation of conduction, convection, and radiation in varying cooking media (air, water, fat) and their specific effects on food texture, safety, and…AQA, Eduqas
- High-risk foods
- Foods that provide ideal conditions for bacteria to grow (moist, high protein), such as cooked meat and dairy.AQA
- Homeostatic Regulation and Fluid Balance
- The role of electrolytes, specifically sodium and potassium, in maintaining osmotic pressure and nerve impulse transmission, and the clinical implications of…AQA
- Hydrogenation
- The industrial process of adding hydrogen to unsaturated vegetable oils to make them more solid and increase shelf life.AQA
I
- Ingredient Provenance and Seasonality
- Examination of how climate, soil, and trade routes dictate the availability and selection of raw materials in both British and international contexts.AQA
L
- Legislative Compliance
- Adherence to the Food Information Regulations 2014, requiring the mandatory declaration of energy, fat, saturates, carbohydrates, sugars, protein, and salt…AQA
- Life Stage Nutritional Requirements
- The shifting demand for energy density and specific macronutrient ratios during periods of rapid growth (adolescence), physiological stress (pregnancy), or…AQA
- Lipid Characteristics
- Examination of the functional roles of fats, specifically shortening in pastry, aeration in cake-making, and the stabilization of emulsions in sauces like…AQA
M
- Macronutrient Metabolism and Energy Balance
- The biochemical processes by which proteins, fats, and carbohydrates are utilized for growth, repair, and energy, and the impact of Basal Metabolic Rate (BMR)…Eduqas
- Maillard Reaction
- A chemical reaction between amino acids and reducing sugars that gives browned food its distinctive flavor.AQA
- Mandatory Labelling
- Information that must, by law, appear on all pre-packaged food.AQA
- Microbial Proliferation
- The exponential growth of bacteria, yeasts, and molds.AQA
- Microbiological Proliferation
- Analysis of the FAT TOM (Food, Acidity, Time, Temperature, Oxygen, Moisture) framework and how these variables facilitate the rapid multiplication of…AQA
- Microbiological Safety and Growth
- Analysis of the environmental conditions required for microbial proliferation: time, temperature, moisture, and pH.AQA
- Microbiological Safety and Pathogen Control
- Focuses on the inhibition of pathogenic bacteria such as Salmonella, E.AQA
- Microbiological Safety and Preservation
- The application of HACCP principles to prevent cross-contamination and food-borne illnesses, focusing on temperature control (danger zone 5°C–63°C) and…AQA
- Micronutrient Bioavailability and Synergy
- The study of how vitamins and minerals interact within the body, such as the role of Vitamin C in non-haem iron absorption and the necessity of Vitamin D for…Eduqas
- Molecular Classification and Structure
- The categorization of carbohydrates into monosaccharides, disaccharides, and polysaccharides, determining their rate of absorption and functional use in food…AQA
- Monoculture
- The agricultural practice of growing a single crop species in a field or farming system at a time, reducing biodiversity.AQA
- Monosaccharide
- The simplest form of carbohydrate, consisting of single sugar units such as glucose, fructose, and galactose.AQA
N
- Non-Mandatory Labelling
- Voluntary information added by the manufacturer, often for marketing purposes.AQA
- Non-Starch Polysaccharide (NSP)
- The scientific term for dietary fibre, encompassing cellulose, hemicellulose, and pectins that resist human digestion.AQA
- Nutrient-Nutrient Synergies
- The interdependent relationships between micronutrients required for physiological function.AQA
- Nutritional and Health Implications
- The relationship between carbohydrate type, glycaemic response, and long-term health outcomes, including the prevention of non-communicable diseases through…AQA
- Nutritional and Sensory Optimisation
- Evaluation of how cooking durations and temperatures influence the bioavailability of nutrients and the development of flavour, texture, and aroma.AQA
- Nutritional Bioavailability
- The extent to which micronutrients, specifically heat-labile vitamins (C, B1) and fat-soluble vitamins (A, D, E, K), are absorbed and utilized by the body…AQA
- Nutritional Bioavailability and Quality
- Evaluation of protein quality based on amino acid profiles, distinguishing between HBV sources (containing all essential amino acids) and LBV sources, and the…AQA
- Nutritional Enhancement and Fortification
- The deliberate addition of micronutrients to food vehicles to address population-level deficiencies.AQA
- Nutritional Integrity
- Evaluation of how cooking duration and medium (water, fat, or air) affect the bioavailability and retention of water-soluble and fat-soluble vitamins.AQA
- Nutritional Profiling and Health
- Evaluation of the biological necessity of essential fatty acids (Omega-3 and Omega-6) versus the health risks associated with high intake of saturated and…AQA
- Nutritional Requirements across Life Stages
- Analysis of how physiological changes—such as rapid growth in adolescence, pregnancy, or reduced metabolic rate in the elderly—dictate specific shifts in…AQA
- Nutritional Requirements Across the Life Cycle
- Analysis of how physiological needs shift from infancy through adolescence to adulthood and later life, focusing on growth, maintenance, and repair…Eduqas
- Nutritional Requirements through Life Stages
- Analysis of the specific physiological demands from gestation and infancy through to adolescence, adulthood, and later life, focusing on growth, maintenance,…AQA
- Nutritional Requirements through the Life Cycle
- Examination of how physiological needs shift from infancy through adolescence to later adulthood, focusing on specific requirements such as protein for…AQA
- Nutritional Value
- The macro and micronutrient composition of commodities and how primary and secondary processing alters bioavailability and health outcomes.Eduqas
O
- Organoleptic
- The sensory properties of food, including taste, texture, and aroma, which act as primary drivers for food choice.AQA
- Organoleptic Analysis
- The systematic assessment of food properties using the human senses.AQA
P
- Pathogen
- A microorganism, such as a bacterium or virus, that can cause disease in its host.AQA
- Pathogenic bacteria
- Harmful bacteria that cause food poisoning, often without affecting the taste, smell, or appearance of the food.AQA
- Pathogens
- Microorganisms, such as bacteria or viruses, that can cause foodborne illness or disease.AQA
- Physical and Mechanical Aeration
- Evaluation of non-chemical methods including the entrapment of air through creaming, whisking, and folding, and the expansion of water vapour (steam) in…AQA
- Physiological Homeostasis
- The role of water in maintaining blood volume, lubricating joints, and regulating body temperature through perspiration and evaporation.AQA
- Plasticity
- The ability of a fat to change shape under pressure and remain in that shape; determined by the mix of solid and liquid triglycerides.AQA
- Point of Sale (POS) Marketing
- Promotional techniques used at the physical location where a customer purchases goods.AQA
- Polysaccharide
- Complex carbohydrates formed by long chains of monosaccharide units, including starch, glycogen, and cellulose.AQA
- Preservation and Control Mechanisms
- Evaluation of physical and chemical methods used to inhibit microbial growth and enzymatic activity, including temperature control (chilling, freezing),…AQA
- Probiotics
- Live microorganisms which, when consumed in adequate amounts, confer a health benefit on the host.AQA
- Product Development and Optimization
- Utilising sensory data to inform recipe modification.AQA
- Protein Functionality
- Exploration of denaturation and coagulation processes triggered by heat, acid, or mechanical agitation.AQA
- Provenance
- Information detailing where a food product was grown, raised, or manufactured.AQA
- Public Health and Dietary Guidelines
- The application of scientific data to national health strategies, such as the Eatwell Guide, to mitigate the prevalence of non-communicable diseases related…AQA
- Public Health and Fortification
- The implementation of government-led nutritional strategies, including mandatory fortification of staple foods and the establishment of Dietary Reference…AQA
- Public Health and Mandatory Fortification
- State-level interventions to prevent mass deficiency, such as the UK Bread and Flour Regulations requiring the addition of calcium carbonate to white flour to…AQA
- Public Health and Regulatory Compliance
- The evolution of UK food safety legislation, focusing on the responsibilities of food business operators (FBOs) and the impact of the Food Hygiene Rating…AQA
- Public Health Interventions
- The implementation of mandatory and voluntary fortification strategies to address population-level sub-clinical deficiencies.AQA
- Public Health Policy and Intervention
- Evaluation of the role of government legislation, such as the Soft Drinks Industry Levy, and educational frameworks in modifying population-level dietary…AQA
- Public Health Strategy
- The application of nutritional analysis to align food production with government health targets, such as the reduction of salt and saturated fats to combat…AQA
Q
- Quantitative Dietary Assessment
- The use of standardized databases, specifically McCance and Widdowson, to calculate the chemical composition of recipes and individual food items.AQA
R
- Radiation
- The transfer of energy through space by electromagnetic waves, such as infrared or microwaves.AQA
- Reference Intake (RI)
- Guidelines for the maximum amount of energy and key nutrients an average adult should consume in a day.AQA
- Regulatory Compliance and Consumer Protection
- Examination of the Food Safety Act 1990 and the Food Information Regulations.AQA
- Resource Management and Biodiversity
- Evaluation of water scarcity, soil health, and land use competition, specifically the impact of monocultures on local ecosystems and pollinator populations.AQA
S
- Scientific Testing Methodologies
- The application of controlled testing environments to ensure objective results.AQA
- Smoke Point
- The temperature at which a fat or oil begins to break down and produce a continuous blue smoke, signaling chemical degradation.AQA
- Socio-cultural and Religious Identity
- Examination of how belief systems, including Islam, Judaism, and Hinduism, impose dietary restrictions (e.g., Halal, Kosher, Vegetarianism) and influence food…AQA
- Socio-Economic Determinants
- Examination of how household income, food prices, and geographical location (e.g., food deserts) dictate nutritional density and caloric intake.AQA
- Stability and Degradation
- The susceptibility of vitamins to environmental factors such as heat, light, pH changes, and oxidation during food storage, preparation, and cooking processes.AQA
- Sustainability
- The ability to maintain food production levels without depleting natural resources or damaging ecosystems for future generations.AQA
- Sustainability and Alternative Proteins
- Investigation into the environmental impact of traditional livestock farming versus the development of novel protein sources, including mycoprotein, insect…AQA
- Sustainability and Environmental Impact
- Evaluation of the ecological footprint of food production, including greenhouse gas emissions, water scarcity, and biodiversity loss associated with…AQA
- Sustainability and Food Security
- Analysis of the long-term viability of food production systems, focusing on the tension between intensive farming for high yields and regenerative practices…Eduqas
- Sustainability and Global Food Security
- Examination of the environmental impact of traditional livestock farming versus emerging alternative proteins, including mycoproteins, insects, and lab-grown…AQA
- Sustainability and Provenance
- The environmental impact of food miles, carbon footprints of air-freighted produce, and the socio-economic significance of supporting UK seasonal agriculture.AQA
- Sustainability and Resource Management
- Critical analysis of soil health, water scarcity, and biodiversity preservation within industrial and organic agricultural frameworks.AQA
- Sustainable Protein Sources
- Assessment of the environmental impact of livestock farming, specifically methane production and land use.AQA
- Syneresis
- The release of liquid from a protein or starch gel, often occurring due to overcooking or prolonged storage.AQA
- Systemic Risk Management
- The implementation of Hazard Analysis and Critical Control Points (HACCP) to identify, evaluate, and control food safety hazards throughout the production…AQA
T
- Technological and Scientific Integration
- Application of traditional methods such as fermentation, smoking, and curing within modern food science and industrial processing frameworks.AQA
- Technological Innovation in Food Production
- The development of novel processing techniques and ingredients, such as mycoproteins and genetically modified organisms, aimed at improving production yields…AQA
- Technological Innovation in Processing
- Analysis of how secondary processing techniques, such as extrusion, ultra-heat treatment (UHT), and MAP (Modified Atmosphere Packaging), alter the physical,…AQA
- Technological Innovation in Production
- Examination of how scientific advancements, such as Genetic Modification (GM), hydroponics, and precision agriculture, address global demand and climate…Eduqas
- Technological Preservation
- Evaluation of industrial methods such as irradiation, dehydration, and canning in extending shelf-life and maintaining nutritional integrity.AQA
- Triglyceride
- The chemical structure of fats consisting of one glycerol molecule and three fatty acids.AQA
W
- Waste Management and Circular Economy
- Evaluation of the food waste hierarchy, focusing on prevention, redistribution, and recycling.AQA
- Water Activity (Aw)
- The measurement of available water in a food product that microorganisms can use for growth.AQA
Where these terms come from
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