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Revista colombiana de ciencia animal recia
versão On-line ISSN 2027-4297
Resumo
GUZMAN, Margarita; ZUNIGA, Herly; MORENO, John e GRANADOS, Jairo. Physical-chemical study of Iguana iguana Linnaeus, 1758 eggs. rev. colombiana cienc. anim. Recia [online]. 2018, vol.10, n.2, pp.124-130. ISSN 2027-4297. https://doi.org/10.24188/recia.v10.n2.2018.648.
Iguana iguana eggs were physically and chemically characterized. the physical tests were performed by methods of spectrophotolorimetry, calibrator, tape measure, micrometer, flexometer and flotation and chemical tests according to the guidelines required by A.O.A.C. The results obtained showed with respect to the physical characteristics: On average, a weight of 14.78 (g); longitudinal diameter 39.70 mm (±0.49), cross-sectional diameter 26.41mm (±0.6), perimeter length 11.55 cm (±0.2), perimeter width 9.07 cm (±02), among other characteristics evaluated. Regarding the chemical composition, in shell 51.23% (±3.02) Inorganic Calcium; 20.17% (±1.56) Inorganic Phosphorus; in albumen 51.47% (±1.05) of crude protein, 17.02% (±1.33) of raw fat and in compact albumen a weight of 3.83 g (±0.21). Through multiple regressions, it was determined that the weight depends on the percentage of shell and the compact albumen in 87%. The specific gravity depends not only on the perimeter length but also on the percentage of shell and the thickness of this in the equatorial zone in a 86.3%. The percentage of shell, weight, specific gravity and thickness in the equatorial zone in 88.3%. The chromatic characterization determined its color between medium yellow and yellowish white.
Palavras-chave : Egg; Iguana iguana; physical characterization; chemical composition.