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Soy Protein and Oil Effects on Chemical, Physical and Microbial Stability of Lean Ground Beef Patties

Soy Protein and Oil Effects on Chemical, Physical and Microbial Stability of Lean Ground Beef... ABSTRACT Effects of isolated soy protein (ISP), frozen, textured isolated soy protein (FTISP), soybean oil (SO), and hydrogenated soybean oil (HSO) addition on chemical, color, sensory, and microbial stability of lean (>90%) ground beef patties (LGBP) were evaluated. Soy oil was incorporated as an emulsion (SE). Nine treatments, including two all beef controls (20 and 10% fat), were formulated to contain combinations of SE, HSO and FTISP. Sensory panelists found LGBP with 25% FTISP (10% fat from beef) to have as intense beef flavor (P>0.05) as all beef controls. Lipid oxidation and pigment discoloration rates were slowed by fat adjustment to 10% with SO and/or HSO. Soy had no effect (P>0.05) on microbial stability. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Food Science Wiley

Soy Protein and Oil Effects on Chemical, Physical and Microbial Stability of Lean Ground Beef Patties

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References (29)

Publisher
Wiley
Copyright
Copyright © 1991 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-1147
eISSN
1750-3841
DOI
10.1111/j.1365-2621.1991.tb14603.x
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT Effects of isolated soy protein (ISP), frozen, textured isolated soy protein (FTISP), soybean oil (SO), and hydrogenated soybean oil (HSO) addition on chemical, color, sensory, and microbial stability of lean (>90%) ground beef patties (LGBP) were evaluated. Soy oil was incorporated as an emulsion (SE). Nine treatments, including two all beef controls (20 and 10% fat), were formulated to contain combinations of SE, HSO and FTISP. Sensory panelists found LGBP with 25% FTISP (10% fat from beef) to have as intense beef flavor (P>0.05) as all beef controls. Lipid oxidation and pigment discoloration rates were slowed by fat adjustment to 10% with SO and/or HSO. Soy had no effect (P>0.05) on microbial stability.

Journal

Journal of Food ScienceWiley

Published: Jul 1, 1991

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