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Record W3145444781

QUALITY CHARACTERISTICS OF EDIBLE OILS

2004· article· en· W3145444781 on OpenAlexaff
Fereidoon Shahid

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldChemistry
TopicEdible Oils Quality and Analysis
Canadian institutionsMemorial University of Newfoundland
Fundersnot available
KeywordsUnsaponifiableFood scienceMouthfeelChemistryWaxFlavorCarotenoidAromaPhytosterolEdible oilRaw materialBiochemistryOrganic chemistry
DOInot available

Abstract

fetched live from OpenAlex

Edible oils provide a concentrated source of energy and essential fatty acids through daily dietary intake. Lipids also serve as an important constituent of cell walls and carrier of fat-soluble vitamins. In addition , lipids provide flavor, texture and mouthfeel to the food. Edible vegetable oils also serve as a heating medium and are important in the generation of aroma, some of which arise from direct interaction of lipids and/or their degradat ion products with food constituents. Oilseeds and tropical fruits are a major source of food lipids. The edible oils from oilseeds may be produced by pressing, solvent extraction or their combination. The seeds may first be subjected to a pretreatment heating to deactivate enzymes present. The oils after extraction are subsequently subjected to further proce ssing of degumming , refining, bleaching, deodorization, and if necessary , stabilization. Edible oils from source materials are composed primarily oftriacylyglycerols (TAG) . In addition, phospholipids, glycolipids, waxes, wax esters, hydrocarbons, tocopherols and tocotr ienols, other phenolic s, carotenoids, sterols and chlorophylls, and hydrocarb ons among others, may be present as minor constituents and these are collectively referred to as unsaponifiable matter (Shahidi and Shukla, 1996). During proce ssing, storage and use, edible oils undergo chemical and physical changes. Often, process-induced changes of lipids are necessary to manifest specific characters of food , however, such changes should not exceed a desirable limit. Both TAG and minor constituents of the oil exert a profound influence on quality characteristics of the oils and hence their effect on health promotion and disease prevention. Following oil extracti on, the left over meal may also serve as a source of fatInsoluble phytochemicals. Obviously, hulls, might be included in the meal if the seeds are

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.097
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.034
GPT teacher head0.310
Teacher spread0.276 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2004
Admission routes1
Has abstractyes

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