3 years ago

Feasibility of hydroxypropyl methylcellulose oleogel as an animal fat replacer for meat patties

Imkyung Oh, Jaehwan Lee, Hyeon Gyu Lee, Suyong Lee

Publication date: Available online 8 January 2019

Source: Food Research International

Author(s): Imkyung Oh, JaeHwan Lee, Hyeon Gyu Lee, Suyong Lee

Abstract

Canola oil was successfully structured with foam-structured hydroxypropyl methylcellulose (HPMC) into solid-like oleogels, and the feasibility of the HPMC oleogels as a replacement for animal fat (beef tallow) was evaluated to reduce the level of saturated fat in meat patties. The textural properties (firmness and work of shear) of HPMC oleogels were higher than those of beef tallow and had a tendency to increase with increasing levels of HPMC in the oleogels. HPMC oleogels behaved rheologically like an elastic gel and also exhibited temperature-independent solid fat contents. They exhibited greater resistance against oxidation than the canola oil under the accelerated storage condition. When the beef tallow in the formulation of meat patties was replaced with HPMC oleogels at 50% and 100%, the cooking loss of the patties was significantly reduced, and their texture became much softer. Furthermore, the sensory evaluation indicated that the highest overall acceptability was attained at the 50% replacement level. The replacement of beef tallow with HPMC oleogels was significantly effective in reducing the ratio of saturated to unsaturated fat from 0.73 to 0.18, consequently producing meat patties with nutritional superiority.

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