Comparison of the nutritional value and fatty acid composition of milk from four South American camelid species
Why this work is in the frame
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Bibliographic record
Abstract
The nutritional value, whey protein, and the fatty acid (FA) composition of milk from four South American camelids (SAC) (vicuna, Vicugna vicugna (Molina, 1782); alpaca, Vicugna pacos (Linnaeus, 1758); guanaco, Lama guanicoe (Müller, 1776); llama, Lama glama (Linnaeus, 1758)) were evaluated and compared with milk from old-world camelids. Samples were collected from healthy animals from the northwest (llama, alpaca, and vicuna) and Patagonia (guanaco) areas of Argentina. Gross composition of milk from SAC showed a higher protein, lactose, and lipid content than camel milk. Serum albumin and α-lactalbumin were the dominant whey proteins, followed by immunoglobulin G (IgG). The FA profile showed from 4:0 to 24:0 FA, with a high level of conjugated fatty acid (CLA; 1.05–1.64 g/100 g of FAME) and its precursor, vaccenic acid. Desaturase activity of C16 and CLA was quite similar between species but was significantly different for C14. Camelid milk showed a lower atherogenicity index than ruminant milk. This is the first time that a comparative study involving four species of SAC was carried out to contribute to the general knowledge of the physiology of new-world camelids. Their milk was determined to be of high nutritional quality, allowing it to be considered an alternative food item for humans in the semi-arid region of South America.
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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 it