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Record W7015834283

Unlocking the value of Canadian oats: evaluating oat starch by-product through starch noodle production

2024· dissertation· en· W7015834283 on OpenAlexaboutno aff

Bibliographic record

VenueMspace (University of Manitoba) · 2024
Typedissertation
Languageen
FieldNursing
TopicFood composition and properties
Canadian institutionsnot available
Fundersnot available
KeywordsStarchAmyloseResistant starchCitric acidCultivarModified starch
DOInot available

Abstract

fetched live from OpenAlex

The growing plant protein industry necessitates innovative approaches to valorize starch by-products. Oats are garnering attention for protein extraction, which raises concerns about the sustainability of the industry as the majority of the oat kernel's starch remains underutilized. While oat starch demonstrates desirable properties for various applications, genetic and environmental variations pose challenges to its consistent utilization. Chemically modifying starch offers a potential solution to tailor its properties for specific end uses. The objective of the first study was to screen thirty oat cultivars and identify suitable genotypes for starch extraction. The objective of the second study was to analyze native oat starch and produce modified oat starch using citric acid cross-linking, elucidating physiochemical, pasting, and morphological differences. The objective of the last study was to optimize a method for oat starch noodle preparation and compare the quality characteristics of noodles made with native oat starch (NOS) to those substituted with varying levels of citrate-modified oat starch (COS). Subsequently, the digestibility implications of COS addition would be studied. The first study revealed significant effects of genotype, environment, and their interaction on protein, total starch, and amylose content. Cultivar CDC Morrison was selected for further analysis based on these findings. Study two identified significant differences in NOS and COS, particularly in resistant starch content and pasting properties. Notably, COS exhibited an inability to form a paste, while NOS displayed higher pasting temperature and final viscosity. Chemical modification altered crystalline peaks and morphology, providing insights into their potential application in noodle production. Study three optimized a method for oat starch noodle production and observed that the addition of COS altered cooking time, texture, and colour compared to NOS noodles. NOS noodles exhibited similarities to commercial rice noodles. In vitro digestibility results revealed that substituting 25% of NOS with COS reduced glucose release, indicating beneficial in slowing starch digestibility. The studies collectively offer valuable insights into the valorization of oat starch by-products in the plant protein industry. The successful production of oat starch noodles, including those with modified starch, underscores the potential of oat starch by-products for human consumption.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
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 score0.907
Threshold uncertainty score0.185

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0010.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0010.000

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 head0.044
GPT teacher head0.267
Teacher spread0.222 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
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
Published2024
Admission routes1
Has abstractyes

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