Optical characterization of NIR spectra for chemomectric model of cocoa pod husk fermented for animal feed
Bibliographic record
Abstract
Abstract Cocoa pods husk (CPH) fermented can be used as an alternative animal feedstuff. Near-infrared (NIR) spectroscopy has been shown in order to determine the nutritional contents of CPH fermented. This study aims to assess the characteristics of the NIR raw spectra and pretreated spectra for chemomectric model. The raw spectrum pretreatments used include multiplicative scatter correction (MSC), Savitzky-Golay smoothing (SG), and first derivative (1st D) and a combination of each pretreatment, namely MSC + SG, MSC + 1st D, SG + 1st D, and MSC + SG + 1st D. The results showed that the NIR spectrum of CPH fermented had six absorption peaks associated with CPH nutrient content such as moisture (1450 and 1940 nm), lipids (1200 and 1731 nm), starch (2380 nm), and protein (2125 nm). MSC tries to eliminate the scattering and correct the differences in the baseline and trend. SG smoothing is used to remove high-frequency random noise, and peaks. 1st D can be used for baseline correction. Combination of each pretreatment, namely MSC + SG, MSC + 1st D, SG + 1st D, and MSC + SG + 1st D. The combination of pretreatment methods can reduce scattering and noise interference such as offset, dispersion, and overlap and improve smoothness. In addition, information relating to the nutritional contents of CPH was clearly highlighted. This study concludes that a combination of pretreatment methods is better at revealing hidden information and reducing noise than a specific pretreatment method. Combination of MSC + SG pretreatment in this study is considered to generate a spectrum that has good characteristics to be used in chemometric modeling due to it is able to provide information regarding the nutritional contents of CPH clearly, both for qualification and quantification.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".