bread
food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
Researched by: Codex + Grok
Purpose and description
Enable an AI agent to recognise bread, assess its recorded condition and suitability for an intended use, and decide how it may be handled or consumed.
A baked cereal staple formed from a dough or batter of milled grain (most often wheat) and water, usually with salt and a yeast, sourdough, or chemical leavening system, in which oven heat gelatinizes starch, sets the protein network, and produces a crusted crumb.
It can be Identify bread type and retain unresolved classification boundaries.; Slice, tear or portion bread while preserving its relation to the original loaf or batch.; Select bread for direct eating, toasting or recipe use based on composition and condition.; Package, freeze or thaw bread using instructions appropriate to the recorded product.; Assess whether bread needs further baking or other preparation before its intended use.; Withhold bread from consumption pending assessment when deterioration or ingredient uncertainty conflicts with the intended use..
Distinguishing features
Establish whether flour or meal dough forms the main edible body; a flour coating around another food does not establish bread identity.
Establish whether preparation has produced a finished bread body; shaped or proofed raw dough remains dough.
Use product designation, formulation and preparation together to distinguish bread from cake, pastry, biscuits and crackers; sweetness or shape alone does not settle the boundary.
Do not require yeast, visible rising or an open crumb: record how unleavened and flat forms are recognised as bread.
Distinguish a bread portion from a composite food: a slice may remain bread, while a filled sandwich requires a relation to a separate assembled-food model.
Scope
+ Recognition of bread and its boundary with raw dough and neighbouring baked foods
+ Ingredients, leavening and preparation history that affect the resulting bread
+ Crust, crumb, dimensions and portion state
+ Freshness, storage history and evidence relevant to deterioration
+ Suitability for eating, slicing, toasting, freezing or culinary reuse
- Raw dough development and fermentation as independent production processes
- Flour, grain, yeast and other ingredients as separately managed materials
- Bakery equipment, production scheduling and workplace operation
- Packaging manufacture and distribution logistics
- Complete sandwiches, meals and recipes that incorporate bread
- Individual dietary requirements, diagnoses and treatment decisions
Characteristics
- Bread designation
- Recorded product or culinary name, with classification evidence or unresolved boundary Supports recognition without assuming every flour-based baked food is bread.
- Flour or meal basis
- Declared grain or other flour/meal types; proportions when known; unknown Differentiates bread formulations and supports ingredient-dependent use decisions.
- Ingredient and allergen evidence
- Links to recipe, ingredient declaration and relevant cross-contact information Allows comparison with stated dietary constraints without treating appearance as proof of composition.
- Leavening method
- Yeast, sourdough culture, chemical, unleavened, combined, other documented method or unknown Helps interpret bread identity and expected structure.
- Preparation completion
- Fully baked, par-baked, suspected incomplete baking or unknown Distinguishes bread ready for its intended use from bread requiring further preparation.
- Mass and dimensions
- Mass in g; length, width, height or slice thickness in mm, as applicable Supports portioning, equipment fit and comparison between portions.
- Crust and crumb condition
- Separate observations of crust firmness or crispness and crumb softness, dryness, tackiness and pore structure Helps judge texture and suitability for the intended bread use.
- Portion and treatment state
- Whole, sliced, torn or crumbled; fresh, frozen, thawed, toasted or deliberately dried; combinations permitted Records changes that affect handling and subsequent preparation.
- Bake and storage history
- Links to dated baking, opening, storage, freezing and thawing observations, including gaps Provides context for condition assessment when elapsed time alone is insufficient.
- Deterioration assessment
- No signs observed, suspected deterioration, confirmed deterioration or unassessed; evidence and assessment time required Separates observed condition from unsupported assumptions about edibility.
Analytical facets
- substance
- material
- origin
- manufactured
- agency
- inert
- mobility
- portable
- scale
- handheld
- affordances
- graspable, consumable
Also called
+112
Where this came from
oewn:2024 · CC BY 4.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 5 bundles · 9 layers · 16 findings · 24 questions.
Bread identity and composition Establishes what makes the item bread and what its edible body contains.
Bread varies in grain basis, enrichment and leavening, so neither appearance nor a generic product label provides sufficient recognition or use information.
Bread recognition
Records the evidence for classifying the item as bread at the registry's granularity.
Bread boundary evidence
Retain the designation, dough basis and preparation evidence used to distinguish bread from neighbouring foods.
- What product designation, flour or meal dough basis and preparation evidence support recognising this item as bread? definition
- Could this item instead be raw dough, cake, pastry, a cracker or a composite food, and what evidence settles that boundary? boundary
Bread formulation
Records the flour or meal basis and additions relevant to identity and intended consumption.
Ingredient evidence
Represent composition through attributable declarations or preparation records, including unknown ingredients and cross-contact information.
- Which flour or meal types, liquids, fats, sweeteners, seeds and other additions are documented, and by which recipe or declaration? provenance
- Does the available ingredient and cross-contact evidence support the intended dietary use, or is further verification needed? action
Baking and bread structure Connects preparation history with the bread's resulting crust, crumb and physical form.
An agent needs to distinguish expected bread structure from incomplete preparation or an unsuitable texture without assuming all bread should rise or have a crisp crust.
Leavening and bake completion
Records how the bread was leavened and whether its required baking is complete.
Preparation status
Retain documented leavening and baking status, with explicit instructions for products requiring completion.
- What leavening method and baking history are documented for this bread? provenance
- Is the bread fully baked, par-baked or of uncertain completion, and what verified preparation remains before its intended use? action
Crust, crumb and form
Describes the physical bread body at the scale needed for recognition and handling.
Observed bread structure
Record crust and crumb observations separately, alongside dimensions relevant to portioning and preparation.
- What are the bread's mass, dimensions and, where applicable, slice thickness? measurement
- What crust firmness, crumb softness and pore pattern are observed, and how do they compare with the documented expectations for this bread type? measurement
Bread condition and storage Records changes after baking and the evidence needed to interpret freshness and possible deterioration.
Bread can become unsuitable in texture without a settled safety judgment, while acceptable appearance alone cannot establish suitability for consumption.
Post-bake history
Connects the current bread to its cooling, packaging, opening and storage history.
Storage exposure record
Preserve relevant dates and storage observations rather than deriving condition from an unsupported universal shelf life.
- When was this bread baked, packaged, opened, frozen or thawed, and which dates are known rather than estimated? provenance
- What storage temperatures, packaging conditions and exposure to air or moisture are recorded? measurement
Texture change and deterioration
Separates changes affecting eating quality from evidence requiring a deterioration assessment.
Condition evidence and decision
Record dryness, firmness, unexpected moisture, visible growth and reported abnormal odour without equating a single observation with a complete assessment.
- What changes in crust, crumb, moisture, visible surface condition or reported odour have been observed, and when? measurement
- Given those observations and applicable food-handling guidance, should the bread be used, withheld for assessment or discarded? action
Bread portions and use Tracks bread through portioning and preparation and determines whether it fits a proposed culinary use.
Whole loaves, slices, frozen portions and toasted bread offer different actions, and some transformations create an ingredient or composite food owned by a neighbouring model.
Portion lineage and transformations
Maintains the relationship between a bread item, its portions and subsequent treatments.
Bread portion continuity
Record cutting and treatment history sufficiently to carry relevant composition and condition evidence into resulting portions.
- Which loaf or batch did this slice, roll portion or bread fragment come from, and what treatments has it undergone? provenance
- After crumbling, drying, filling or other transformation, does the result remain a bread instance or require a linked ingredient or composite-food model? boundary
Culinary use suitability
Compares the bread's recorded properties with a specific proposed use.
Use-dependent handling
Choose preparation and handling from the bread's composition, completion state, dimensions and assessed condition.
- For the intended use, such as sandwich slices, toast or a soaked bread dish, are this bread's dimensions, texture and ingredients suitable? action
- What slicing, thawing, baking or toasting is required, and which product instructions or recipe requirements support that action? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Kinds and varieties
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Yeast-leavened wheat loaf and pan bread
- Sourdough bread
- Rye and mixed rye-wheat bread
- Flatbreads (pita, lavash, chapati, wheat tortilla)
- Wholemeal and whole-grain bread
- Enriched breads (brioche, challah, milk bread)
- Chemically leavened quick breads (soda bread)
- Gluten-free breads
- Which of these kinds and varieties hold for the sense of bread this model covers, and on what evidence? provenance
Identifiers and schemes
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Wikidata - Q13289 - Item for bread as a food.
- Harmonized System (HS) - 1905 - Chapter heading covering bread, pastry, cakes, biscuits and other bakers' wares; ordinary bread is usually 1905.90.
- Codex GSFA food category - 07.1 / 07.1.1 - 07.1 Bread and ordinary bakery wares; 07.1.1 Bread and rolls.
- U.S. CFR standard of identity - 21 CFR 136.110 - Legal identity for bread, rolls, and buns in the United States.
- Which of these identifiers and schemes hold for the sense of bread this model covers, and on what evidence? provenance
Standards and regulation
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- U.S. Food and Drug Administration - 21 CFR Part 136 (standards of identity for bakery products, including bread, rolls, and buns).
- Codex Alimentarius Commission - CXS 192-1995 General Standard for Food Additives, category 07.1 Bread and ordinary bakery wares.
- United Kingdom - Bread and Flour Regulations 1998 (as amended), including flour fortification and composition rules for bread.
- France - Décret n° 93-1074 of 13 September 1993, defining pain de tradition française (restricted ingredients and process).
- European Union - Regulation (EU) No 1169/2011 on food information to consumers (allergen labelling, including cereals containing gluten).
- European Union - Regulation (EC) No 852/2004 on the hygiene of foodstuffs, applied to bakeries and bread as a ready-to-eat food.
- Which of these standards and regulation hold for the sense of bread this model covers, and on what evidence? provenance
Real-world use
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Daily staple carbohydrate in much of Europe, West Asia, North Africa, and parts of the Americas, eaten as sliced loaf, rolls, or flatbread with meals.
- Carrier for sandwiches and toast in retail, food service, and household use.
- Produced as wrapped industrial sliced loaves, supermarket bake-off, and craft bakery goods.
- Liturgical and festive use (Eucharistic bread, challah, seasonal enriched loaves).
- Secondary products from surplus or stale loaves: breadcrumbs, stuffings, and in some systems animal feed.
- Which of these real-world use hold for the sense of bread this model covers, and on what evidence? provenance
Typical measurements
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Crumb moisture (white pan bread) - 35-42 - g/100 g
- Water activity - 0.94-0.98 - aw
- Specific volume (commercial white pan bread) - 4-6 - mL/g
- Crumb pH - 5.0-6.0 (yeast); 3.5-4.6 (sourdough) - pH
- Energy (white wheat bread) - 220-270 - kcal/100 g
- Sodium (packaged sliced bread) - 350-600 - mg/100 g
- Retail loaf mass - 400 or 800 (UK); about 450-680 (US sandwich loaves) - g
- Which of these typical measurements hold for the sense of bread this model covers, and on what evidence? provenance
Failure modes and hazards
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Mould spoilage of high-aw crumb (Penicillium and related genera); heavy spoilage can raise mycotoxin concern.
- Rope spoilage from Bacillus subtilis in warm, relatively high-pH crumb.
- Staling by starch retrogradation (crumb firming), distinct from simple drying.
- Wheat gluten as a major allergen and as the protein that people with coeliac disease must avoid.
- Acrylamide formation in darker, hotter crusts.
- Choking and dysphagia hazard from soft, cohesive crumb, especially in young children and older adults.
- Public-health burden from typical sodium levels in commercial sliced bread.
- Process hazards in mills and bakeries, including flour-dust explosion and burns.
- Which of these failure modes and hazards hold for the sense of bread this model covers, and on what evidence? provenance
Regional variation
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- France treats baguette and pain de tradition française as legally constrained everyday breads, with additives restricted in the traditional product.
- Germany and neighbouring countries use rye and mixed rye-wheat (Mischbrot), including dense long-baked types such as Pumpernickel, as ordinary bread rather than a specialty.
- United Kingdom and Ireland centre on tin loaves; Ireland also treats soda bread as a common chemically leavened wheat bread; most bread-making flour is fortified.
- West Asia and North Africa treat pocket and sheet flatbreads (pita, khubz, lavash) as the default bread.
- South Asia uses unleavened whole-wheat roti/chapati and tandoor naan in the staple role that loaf bread occupies in northern Europe.
- Nordic countries keep crispbread (knäckebröd) as a parallel staple alongside soft loaves.
- East Asia historically centred on rice; wheat is often eaten as steamed buns, with baked shokupan-style loaves a later everyday form.
- In Mexico, pan (bolillo, telera) is distinguished in speech and meals from maize tortilla, which occupies the staple slot.
- Which of these regional variation hold for the sense of bread this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Reported by the breadth pass; each item needs checking against its source before it becomes normative.
- Cake - Cake is a high-sugar, high-fat batter product with a tender crumb; bread is a lower-sugar dough staple whose structure is mainly a developed gluten (or analogue) network.
- Crackers and crispbread - Dried to much lower moisture (typically well under 10 g/100 g) and sold as shelf-stable dry goods, not a moist crumb loaf.
- Pastry - Fat-continuous or laminated dough used as a shell or layered bakery good, not a leavened loaf eaten as the meal's staple starch.
- Steamed bun (mantou and similar) - Comparable wheat dough cooked by steam, so it lacks a baked Maillard crust.
- Pizza - Yeasted wheat dough baked as a topped meal base rather than as a sliced or torn loaf.
- Maize tortilla - Unleavened flatbread from nixtamalized maize masa; no wheat gluten network, and in many regions not named or sold as bread.
- Pasta - Durum (or other) wheat product shaped and cooked in water or dried, not baked into a crusted crumb.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of bread this model covers, and on what evidence? provenance
Sources
- Bakery Products, 21 CFR Part 136 - U.S. Food and Drug Administration - U.S. standard of identity for bread, rolls, and buns, including required ingredients and optional enrichments.
- General Standard for Food Additives (CXS 192-1995), food category 07.1 Bread and ordinary bakery wares - Codex Alimentarius Commission (FAO/WHO) - International food-category placement of bread and the additive framework that applies to it.
- The Bread and Flour Regulations 1998 (SI 1998/141) - United Kingdom - Legal naming of bread in Great Britain and mandatory fortification of most wheat flour used for bread.
- bread (Q13289) - Wikidata - Canonical linked-data identifier for the food concept.
- Technology of Breadmaking - Stanley P. Cauvain (ed.), Springer - Process, loaf types, moisture and volume ranges, staling, and bakery spoilage as used in cereal science.
What the second pass must settle
- How should the registry definition's baking requirement handle foods conventionally called bread that are steamed, fried or cooked on a griddle?
- Which authoritative classification conventions should resolve boundaries among enriched bread, cake, pastry, crispbread and crackers?
- Which bread-specific observations and validated methods can distinguish expected crumb characteristics, staling, incomplete baking and spoilage?
- What authoritative storage and disposition guidance applies to different bread formulations, packaging conditions and freezing or thawing histories?
- At what transformation point should breadcrumbs, croutons or other bread-derived ingredients become separate model instances rather than states of bread?