Resistance of biopolymer capsules to sheep-ruminal fluid

  • J. B. Ponce-Noguez
  • L. Alamilla-Beltrán
  • R. F. Gómez-de-Anda
  • F. Villalobos-Castillejos
  • L. Dorantes-Alvarez
  • B. Nogueda-Torres
  • V. Pérez-Pérez
  • O. E. Del Razo-Rodríguez
Keywords: Encapsulation, alginate, sheep, in situ digestibility, in vitro digestibility.


The resistance of polymeric capsules in sheep ruminal fluid was evaluated for possible application as a vehicle of bioactive agents to be released in the stage post-ruminal. Capsules were made by ionic gelation, using sodium alginate as wall material in combination with biopolymers and chlorophyll as a bioactive agent. Chlorophyll release and digestibility of biomaterials were evaluated in vitro conditions using sheep-ruminal fluid and digestibility in situ in a sheep with a fistula. The highest rumen digestibility (46.60 ± 3% in vitro and 46.30 ± 3% in situ) and lower release was the alginate-guar gum formulation in deposit-type capsules. It was evidenced that it is possible to use deposit-type capsules, formulated with biopolymers (alginate-xanthan gum or alginate-guar gum) to serve as a possible vehicle for bioactive agents and promoting the post-ruminal release in an ovine model for improvement in the quality of meat for the human consumption.


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How to Cite
Ponce-Noguez, J., Alamilla-Beltrán, L., Gómez-de-Anda, R., Villalobos-Castillejos, F., Dorantes-Alvarez, L., Nogueda-Torres, B., Pérez-Pérez, V., & Del Razo-Rodríguez, O. (2020). Resistance of biopolymer capsules to sheep-ruminal fluid. Revista Mexicana De Ingeniería Química, 19(3), 1213-1225.

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