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Enzimatic hydrolysis of the raw muscle of nurse shark, Gynglimostoma cirratum

2002· article· es· W340087403 on OpenAlexaff
Maria Petronília de Oliveira Studart Gurgel, G.H.F. Vieira, Regine Helena Silva dos Fernandes Vieira, Antonio M. Martin

Bibliographic record

VenueArquivos de ciencias do mar · 2002
Typearticle
Languagees
FieldAgricultural and Biological Sciences
TopicAquaculture Nutrition and Growth
Canadian institutionsMemorial University of Newfoundland
Fundersnot available
KeywordsPapainDistilled waterHydrolysisChemistryChromatographyEnzymatic hydrolysisAqueous solutionEnzymeRaw materialProteaseBiochemistryOrganic chemistry

Abstract

fetched live from OpenAlex

This paper reports studies on the hydrolysis of the raw muscle of nurse shark, Gynglimostoma cirratum. The material was washed three times with distilled water and diluted in water in a 1:2 muscle/water ratio. The pH was maintaned at 7.,5 and pancreatin, papain or protease were added in the proportions of 0.1%, 0,2%, 0,3%, 0,4% and 0,5% of the total weight of shark muscle. The hydrolysis took place in na agitated aqueous medium at 40°C. The environmental pH was measured at 5, 10, 15, 30, 60, 90 and 120 min. If required, 0,1% NaOH was added to keep the pH at 8.5. The enzymatic reaction rate was determined by the degree of hydrolysis. The statistical analysis showed there to be significant diferences in the results as a function of the enzymes, times and enzymatic concentrations used. The best results were produced with the enzyme pancreatin; otimal reaction times were found at 90 min. and 120 min., and optimal enzymatic concentrations were found at 0,4 and 0,5%. Cost factors suggest the use of pancreatin at 0.4%. By choosing a reaction time of 90 min. there will be less risks of bacterial contamination.

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 score0.001
Threshold uncertainty score0.002

Distilled classifier scores by category (both heads)

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)0.0010.000

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 head0.015
GPT teacher head0.212
Teacher spread0.196 · 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
Published2002
Admission routes1
Has abstractyes

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