Obtaining of a protein-hydrolysate by submerged fermentation of feathers using Bacillus spp

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De Macedo, Manuel; Segura, Roxana; Piñero B., Judith; Coello, Nereida;
(2009)
  • Subject: Plumas | Universidad de Los Andes (ULA) | Hidrolizado proteico | Keratinolytic | Submerged fermentation | Revista Científica | Bacillus spp. | Revistas | Bacillus ssp. | Queratinolítico | Fermentación sumergida | Feathers | Universidad del Zulia (LUZ) | Protein-hydrolysate

Se obtuvo un hidrolizado proteico a partir de la fermentación sumergida de las plumas por una cepa queratinolítica de Bacillus spp designada como LPB-2. El proceso se realizó en condiciones aeróbicas, utilizando un medio salino basal (pH 7,5), suplementado con 20 g/l de... View more
  • References (15)
    15 references, page 1 of 2

    [21] LIN, X.; GINN, L.; ELLEN, C.; SHIH, J. Purification and characterization of a keratinase from feather-degrading Bacillus licheniformis strain. Appl. Environ. Microbiol. 58(10): 3271-3275. 1992.

    [22] MORAN, E.; SUMMERS, J.; SLINGER, S. Keratin a source of protein for the growing chick. I. Amino acid imbalance as the cause for inferior performance of feather meal. Poult. Sci. 45: 1257-1266.1966.

    [23] NAGANO, H.; TO. K.A. Purification of Collagenase and Specificity of its Related Enzyme from Bacillus subtilis FS-2. Biosci. Biotechnol. Biochem. 63 (7):181-183. 1999.

    [23] REVISTA FENAVI. Federación Nacional de Avicultura de Venezuela. Edición Especial Aniversario. Primer semestre 1998.

    [24] ONIFADE, A.; AL-SANE, N.; AL-MUSALLAM, A.; ALZARBAN, S. A review: Potentials for biotechnological applications of keratin-degrading microorganisms and their enzymes for nutritional improvement of feathers and other keratins as livestock feed resources. Biores. Technol. 66:1-11. 1998.

    [25] PAPADOPOULUS, M.; EL BOUSHY, A.; KETELAARS, E. Effect of different processing conditions on amino acid digestibility of feather meal determined by chicken assay. Poult. Sci. 64: 1729-1741. 1985.

    [26] PIÑERO B.J.; VIDAL, L.; COELLO, N. Aislamiento y caracterización de una cepa de Bacillus spp degradadora de plumas de aves de corral. Rev. Cient. Fac. Ciens. Vets. LUZ. 10(2): 124-129. 2000.

    [27] ROSEN, H. A modified ninhydrin colorimetric analysis for amino acids. Arch. Biochem. Biophys. 67: 10-15. 1957.

    [28] STILBORN, H.; MORAN, E.; GOUS, R.; HARRISON, M. Effect of age on feather amino acid content in two broiler strain crosses and sexes. J. Appl. Poult. Res. 6: 205- 209. 1997.

    [29] TSUJIBO, H.; HATANO, N.; ENDO H.; MIYAMOTO, K.; INAMORI, Y. Purification and Characterization of a Termostable Chitinase from Streptomyces thermoviolaceus OPC-520 and Cloning of the Encoding Gene. Biosci. Biotechnol. Biochem. 64 (1): 96-102. 2000.

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