lard
Enable an AI agent to recognise lard, assess its condition and suitability, and decide how it may be stored, processed or used from recorded evidence.
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 lard, assess its condition and suitability, and decide how it may be stored, processed or used from recorded evidence.
Rendered edible fat obtained by melting the adipose tissues of the domestic pig (Sus scrofa domesticus) and separating the molten triacylglycerol phase from water, protein, and cracklings; commercially a named animal fat specified apart from unrendered pork fat and from rendered fats of other species.
It can be Identify a batch as lard or flag insufficient evidence and possible mixed-fat identity.; Select a batch for a specified cooking, baking or non-food application using recorded requirements.; Warm, melt, cool or temper a batch under a documented process suited to its intended use.; Separate residual solids or water where an authorised process permits, then reassess the resulting material.; Choose storage and handling conditions from applicable product instructions and condition evidence.; Hold, investigate or reject material when identity, condition or intended-use requirements are not established..
Distinguishing features
Establish porcine origin through traceability and, where necessary, appropriate authenticity testing; appearance alone does not distinguish lard from tallow or vegetable shortening.
Establish that fat has been separated by rendering rather than remaining principally as intact adipose tissue, which belongs to a neighbouring raw-material model.
Check ingredient and processing records to distinguish lard from a formulated shortening or mixed-fat product containing lard.
Check whether meat residues, seasoning or a cooking history identify the material as collected cooking drippings; leave classification unresolved when the registry boundary is unclear.
Use tissue-origin evidence to support a leaf-lard designation; do not infer that subtype from whiteness or softness alone.
Scope
+ Evidence that the material is rendered porcine fat
+ Tissue origin, rendering, refining and subsequent treatments
+ Fat composition, residual moisture, impurities and declared additives
+ Temperature-dependent consistency and behaviour during use
+ Condition, storage history and suitability for a specified application
- Pig husbandry, animal health and slaughter operations
- Unrendered adipose tissue as a raw animal material
- Tallow, vegetable shortening and other independently identified fats
- Recipes and finished foods containing lard
- Rendering equipment and packaging systems as standalone things
- Individual dietary requirements and certification schemes as standalone models
Characteristics
- Material identity evidence
- Links to ingredient declarations, batch records and authenticity test reports Supports recognition as lard and distinguishes verified identity from a supplier label or visual guess.
- Porcine tissue origin
- Perirenal fat, backfat, other specified tissue, mixed tissues or unknown Supports subtype claims and comparison of batches with different processing or performance characteristics.
- Processing history
- Ordered rendering, separation, refining, deodorisation and other declared treatment records Explains differences between batches and identifies treatments relevant to identity and use.
- Declared formulation
- Lard only, lard with specified additives, mixed-fat formulation or unknown Exposes added ingredients and material boundaries that a lard label alone may conceal.
- Water content
- Mass percent, with analytical method and sample date Informs interpretation of separation quality, storage behaviour and behaviour during heating.
- Insoluble impurities
- Mass percent, with analytical method Records residual non-fat matter relevant to cleanliness, processing quality and intended use.
- Fatty-acid profile
- Percent of measured fatty acids, with reporting basis and method Supports batch comparison and authenticity assessment without treating composition alone as proof of origin.
- Consistency at a stated temperature
- Solid, plastic, partly melted or liquid, with temperature in °C and conditioning history Determines whether the material can be spread, portioned, pumped or incorporated into a process.
- Solid-fat content
- Percent at specified temperatures in °C, with method Supports assessment of melting behaviour and suitability where fat structure affects performance.
- Deterioration evidence
- Dated sensory observations and analytical reports, including method-specific oxidation and acidity results Supports condition decisions while preserving the limits of each observation or test.
- Storage and exposure history
- Dated temperature records, opening events, light exposure and container-integrity observations Provides context for interpreting present condition and deciding whether further assessment is needed.
- Intended-use disposition
- Unassessed, accepted for a specified use, restricted, held for investigation or rejected; each with evidence Turns observations into an explicit action decision without assuming every lard batch is food-suitable.
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 18 findings · 28 questions.
Lard identity and boundaries Establishes whether the material is rendered porcine fat and which more specific identity claims are supported.
Several animal fats and formulated shortenings resemble lard, so recognition must rest on evidence beyond appearance.
Porcine rendered-fat identity
Separates source-species evidence from evidence that rendering produced the material.
Origin and rendering evidence
Record the basis and confidence for identifying the batch as rendered porcine fat.
- What records or tests establish porcine origin, and do they apply to this batch? provenance
- What establishes that this material is rendered fat rather than unrendered adipose tissue? definition
Subtypes and neighbouring fats
Tests leaf-lard claims and boundaries with drippings and mixed-fat products.
Supported lard designation
Preserve the narrowest designation justified by tissue-origin and ingredient evidence.
- If the material is called leaf lard, what tissue-origin evidence supports that designation? provenance
- Do added fats, seasonings or a prior cooking use place this material at the boundary with shortening or drippings? boundary
Rendering and composition Records how the lard was obtained and what remains or was added after processing.
Rendering and subsequent treatments affect the evidence needed to interpret flavour, residual material and functional behaviour.
Fat recovery and treatment
Connects the present batch to its rendering and subsequent processing history.
Documented treatment sequence
Record actual process information without inferring it from colour, odour or marketing terms.
- What rendering method, time-temperature information and separation steps are documented? provenance
- Was the fat refined, deodorised, hydrogenated, interesterified or otherwise treated, and what evidence identifies those treatments? provenance
Fat and non-fat constituents
Describes the lipid profile, residual water and solids, and added ingredients.
Measured and declared composition
Keep laboratory composition results distinct from ingredient declarations and unverified assumptions.
- What water, insoluble-impurity and fatty-acid measurements are available, with methods and reporting bases? measurement
- Which antioxidants, other additives or other fats were introduced, and at what declared amounts? provenance
Thermal and working behaviour Describes the lard's consistency and response to the temperatures and handling relevant to its use.
A batch's usability depends on its physical state under actual conditions, rather than a single generic melting-point assumption.
Temperature-dependent consistency
Records physical state together with temperature and recent thermal history.
Conditioned fat state
Make observations of hardness, plasticity and melting interpretable and comparable.
- At what measured temperature and after what cooling or holding history was consistency assessed? measurement
- What solid-fat-content or melting-behaviour measurements describe the temperatures needed for the intended operation? measurement
Application-specific handling
Links physical behaviour to a specified operation such as pastry incorporation or liquid-fat transfer.
Working-condition selection
Identify suitable working conditions from observed performance and process requirements.
- What consistency does the intended operation require, and does this batch achieve it under the proposed conditions? action
- What controlled warming, cooling or conditioning step is supported before portioning, mixing or pumping? action
Condition and deterioration Assesses changes in lard using exposure history, observations and appropriately interpreted tests.
Appearance alone cannot establish condition, and deterioration evidence must be interpreted in relation to the batch and its intended use.
Storage exposure
Records conditions that contextualise the present state of the fat.
Batch exposure history
Track opening, storage and heating events with explicit gaps in knowledge.
- What is known about storage temperature, duration, light exposure, opening events and container integrity? provenance
- Has this batch already been heated in use, and could food residues, water or other materials have entered it? provenance
Condition evidence
Combines sensory observations and analytical evidence without treating either as universally decisive.
Deterioration assessment
Record observed changes, relevant tests and the basis for interpreting them.
- What abnormal odours, visible contamination, separated water or other changes have been observed, and when? measurement
- Which oxidation or acidity tests were performed, and what applicable specification supports their interpretation? measurement
Use eligibility and disposition Determines what may be done with this lard batch for a stated purpose.
Recognising lard does not establish food suitability, compatibility with dietary constraints or fitness for a particular process.
Intended-use requirements
Connects the batch to food or non-food specifications and relevant user constraints.
Requirements-to-evidence match
Evaluate eligibility against explicit requirements rather than assigning universal suitability.
- What intended use and applicable product specification must this batch satisfy, and what evidence supports acceptance? boundary
- Do porcine origin, declared additives or documented cross-contact conflict with the intended user's requirements? boundary
Batch action decision
Records a supported disposition and the conditions governing any further processing.
Permitted next action
Make acceptance, restriction, investigation and rejection decisions traceable to evidence.
- Should the batch be used, held for further assessment, restricted to a specified application or rejected, and why? action
- If filtering, drying or another reprocessing step is proposed, what process authorises it and what reassessment is required afterward? 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.
- Leaf lard (from the visceral 'leaf' or flare fat about the kidneys and loin; prized for pastry)
- Fatback lard (from subcutaneous back fat)
- Caul or mesenteric lard (from omental/lace fat)
- Kettle-rendered or dry-rendered lard
- Prime steam lard (wet-rendered under steam, then usually refined)
- Neutral lard (highly refined fat from a broader set of edible pork fatty tissues)
- RBD supermarket lard (refined, bleached, deodorized; often antioxidant-stabilized)
- Hydrogenated lard or lard flakes (melting point raised for bakery shortening)
- Which of these kinds and varieties hold for the sense of lard 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 - Q212425 - Item for lard as rendered pig fat.
- Harmonized System (HS) - 1501.10 - 'Lard'; heading 1501 also covers other pig fat (1501.20) and poultry fat, which are not this product.
- CAS Registry - 61789-99-9 - Common registry number for lard (Adeps suillus); lard oil, the olein fraction, is separately 8016-28-2.
- Codex Alimentarius named product - lard (CXS 211-1999) - Codex distinguishes 'lard' from 'rendered pork fat' in the same standard.
- INCI / CosIng - Lard; Adeps suillus - Cosmetic ingredient names for pig fat used in soaps and historical ointment bases.
- Which of these identifiers and schemes hold for the sense of lard 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.
- Codex Alimentarius CXS 211-1999, Standard for Named Animal Fats (lard and rendered pork fat) - FAO/WHO Codex Alimentarius Commission
- Regulation (EC) No 853/2004, Annex III, Section XII (rendered animal fats for human consumption) - European Parliament and Council
- Federal Meat Inspection Act and FSIS inspection/labelling of edible pork fat sold as lard - USDA Food Safety and Inspection Service
- Regulation (EC) No 1069/2009 (animal by-products) for inedible pork fat leaving the food chain - European Parliament and Council
- GB/T 8937 (猪油 / lard) - Standardization Administration of China
- Kashrut and Islamic dietary law, which treat pig fat as prohibited - rabbinical authorities and halal certification bodies
- Which of these standards and regulation hold for the sense of lard 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.
- Shortening in pie crusts, biscuits, tortillas, tamales, and Chinese pastry, especially leaf lard for flaky doughs.
- Frying and wok fat (refried beans, southern frying, 猪油 in Chinese cookery, ramen-shop oil in Japan).
- Charcuterie fat phase (rillettes, pâtés) and a spread in Central/Eastern Europe (smalec with cracklings).
- Soap and oleochemical feedstock (sodium lardate); historical pharmacopoeial ointment base (Adeps suillus).
- Industrial inedible counterpart (white grease) goes to feed, fatty acids, and biodiesel rather than the table.
- Which of these real-world use hold for the sense of lard 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.
- Slip or melting point - 30-43 - °C
- Titre (solidification of fatty acids) - 32-45 - °C
- Iodine value (Wijs) - 45-70 - g I2/100 g
- Saponification value - 192-203 - mg KOH/g
- Smoke point (unrefined to RBD) - 185-205 - °C
- Oleic acid (C18:1) share of fatty acids - 35-55 - % of total fatty acids
- Moisture in well-rendered edible lard - <0.1-0.3 - % m/m
- Peroxide value when fresh and edible - 0-5 - meq O2/kg
- Which of these typical measurements hold for the sense of lard 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.
- Oxidative rancidity (off-flavours, aldehydes) accelerated by light, metals, and residual water.
- Hydrolytic rancidity and microbial spoilage when rendering leaves moisture or protein fines.
- Thermal breakdown in fryers (smoke, acrolein, polymerized residues) if held above the smoke point.
- Older hydrogenated bakery lard carrying industrially produced trans fatty acids.
- Adulteration with tallow, recovered oils, or vegetable oil; species fraud matters for allergen and religious status.
- Kitchen and process-line contamination that renders other foods non-kosher or non-halal.
- Trade bans and disposal rules when African swine fever or other swine disease controls cover pork fats.
- Dietary saturated-fat and cholesterol load when used as a staple frying fat.
- Which of these failure modes and hazards hold for the sense of lard 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.
- United States: grocery 'lard' is often RBD and may be hydrogenated or antioxidant-treated; bakers still specify leaf lard separately.
- Spanish-speaking Americas: manteca commonly means pig lard in Mexico; in parts of the Southern Cone manteca is butter, so the same word does not travel.
- Italy: strutto is rendered lard; lardo is cured unrendered fatback and is not the same article.
- China: 猪油 (zhūyóu) remains a wok and bakery fat; leaf/flare versus board fat are distinguished in butchery.
- Poland and neighbours: smalec is eaten as a seasoned spread, often with greaves, not only as a hidden shortening.
- Jewish and Muslim food systems substitute schmaltz, tallow, ghee, or vegetable shortening; pig lard is absent from those kitchens by rule, not taste.
- Which of these regional variation hold for the sense of lard 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.
- Rendered pork fat (Codex) - CXS 211 allows bones and a wider tissue set for rendered pork fat; lard is specified from fresh fatty tissues (with or without leaf) and is the narrower edible identity.
- Beef or mutton tallow - Ruminant origin; higher stearic acid and titre/melting point; fatty-acid profile and species DNA/immunoassay separate it from pig lard.
- Schmaltz - Rendered poultry fat, not swine; softer at room temperature and a different flavour; species origin is the test.
- Vegetable shortening - Plant triacylglycerols, no cholesterol; phytosterols and TAG/FA pattern (and absence of pork protein markers) distinguish it from lard.
- Lardo / fatback / salt pork - Unrendered adipose tissue, often cured; lard has been melted and the protein/water phase removed.
- Bacon grease or dripping - Fry or roast drippings carrying meat juices, Maillard residue, and often smoke; not a clean rendered adipose fat.
- White grease - Inedible renderer-grade pig fat (feed, biodiesel, oleochemicals), not FSIS/Codex edible lard; edible inspection mark and acid-value/grade specs separate them.
- Suet - Raw (usually ruminant) kidney/medullary fat tissue, not a rendered pig product; species plus whether it has been melted are the tests.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of lard this model covers, and on what evidence? provenance
Sources
- Standard for Named Animal Fats (CXS 211-1999) - Product definition of lard versus rendered pork fat; identity characteristics (titre, iodine value, saponification value, unsaponifiable matter, relative density) used for kinds, measurements, and neighbours.
- Bailey's Industrial Oil and Fat Products - Rendering routes (kettle, steam, dry), commercial grades (leaf, prime steam, neutral, hydrogenated), fatty-acid ranges, and oleochemical uses.
- Regulation (EC) No 853/2004 laying down specific hygiene rules for food of animal origin - EU hygiene rules for rendered animal fat for human consumption (raw materials, rendering, storage) cited under standards and hazards.
- FoodData Central food composition records for lard - Typical energy density, cholesterol, and fatty-acid composition encountered in nutrition and labelling practice.
What the second pass must settle
- Which authoritative definition should govern this registry entry's boundaries with pork drippings, additive-containing lard and chemically modified lard?
- Which identity and tissue-origin tests can substantiate porcine-fat and leaf-lard claims, and what are their limitations for refined or mixed samples?
- Which analytical methods and acceptance criteria apply to water, impurities, oxidation and acidity for each intended use and jurisdiction?
- What evidence supports storage periods and handling conditions for the relevant packaging, rendering process and opening history?
- Which performance measurements best predict suitability for the intended baking or cooking application across different lard batches?