Beef gelatin

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Applications and Properties of Beef Gelatin in Food Preservation and Packaging

Introduction to Beef Gelatin

Beef gelatin, derived from the collagen in bovine hides and bones, is a versatile biopolymer widely used in food preservation and packaging due to its excellent film-forming properties, biodegradability, and biocompatibility. This article synthesizes recent research on the applications and properties of beef gelatin, focusing on its use in edible films, coatings, and as a fat substitute in meat products.

Mechanical and Barrier Properties of Beef Gelatin Films

Film Formation and Mechanical Strength

Beef gelatin films exhibit strong mechanical properties, particularly when higher concentrations of gelatin are used. These films demonstrate improved tensile and puncture strengths, making them suitable for various packaging applications . The mechanical properties are further enhanced when beef gelatin is combined with other biopolymers or plasticizers, which improve the interaction between gelatin functional groups .

Barrier Properties

Beef gelatin films provide excellent barriers to oxygen and oil, which are critical for preserving the quality of food products. However, they exhibit higher water solubility compared to films made from pork gelatin, which may limit their application in high-moisture environments . Despite this, the films' low water vapor permeability (WVP) makes them effective in reducing moisture transfer, thereby extending the shelf life of packaged foods .

Edible Coatings for Beef Preservation

Antimicrobial and Antioxidant Properties

Gelatin-based edible coatings have been shown to significantly enhance the shelf life of beef by reducing microbial growth and lipid oxidation. For instance, coatings incorporating henna extract (HAE) or protocatechuic acid (PCA) exhibit strong antibacterial and antioxidant activities, effectively preserving the color and quality of beef during chilled storage 69. These coatings decrease the rate of proteolysis and lipid oxidation, maintaining the meat's freshness and nutritional value 69.

Combination with Other Biopolymers

Combining beef gelatin with other biopolymers, such as chitosan, further improves its preservation properties. Chitosan-gelatin coatings have been optimized to enhance color stability and reduce lipid oxidation in beef steaks during retail display. These coatings maintain a darker, more intensely red color, which is desirable for consumer appeal . Additionally, the incorporation of hydrocolloids like guar gum into gelatin-based films improves their stability and reduces weight loss during thermal degradation, making them more effective for beef preservation .

Gelatin as a Fat Substitute in Meat Products

Texture and Nutritional Quality

Beef gelatin can also be used as a fat substitute in meat products, such as beef patties. Replacing animal fat with cowhide gelatin improves the nutritional profile by increasing the content of monounsaturated and polyunsaturated fatty acids, as well as amino acids . This substitution enhances the protein digestibility of the patties, making them a healthier option without compromising texture and sensory qualities .

Storage Stability

Low-fat beef patties with gelatin substitution exhibit better storage stability, with reduced saturated fatty acid content and maintained protein digestibility over time. This makes gelatin an effective ingredient for developing low-fat meat products with extended shelf life .

Conclusion

Beef gelatin is a highly functional biopolymer with diverse applications in food preservation and packaging. Its excellent mechanical and barrier properties, combined with its ability to enhance the shelf life and nutritional quality of meat products, make it a valuable ingredient in the food industry. Future research and development could further optimize gelatin-based formulations to expand their applications and improve their performance in various food preservation contexts.

Sources and full results

Most relevant research papers on this topic

Use of beef, pork and fish gelatin sources in the manufacture of films and assessment of their composition and mechanical properties

High concentration gelatin films have good mechanical properties, low water permeability, and excellent barriers to oxygen and oil, with fish skin gelatin showing the lowest WVP values.

Highly Cited

2012·

187citations

·Z. A. N. Hanani et al.

Food Hydrocolloids·

DOI

The Gelatin-Coated Nanostructured Lipid Carrier (NLC) Containing Salvia officinalis Extract: Optimization by Combined D-Optimal Design and Its Application to Improve the Quality Parameters of Beef Burger

The gelatin-coated nanostructured lipid carrier containing sage extract effectively extends the shelf life and reduces bacteria counts in beef burgers.

2023·

15citations

·Maedeh Malekmohammadi et al.

Foods·

DOI

Gelatin/carboxymethyl cellulose edible films: modification of physical properties by different hydrocolloids and application in beef preservation in combination with shallot waste powder

Using guar gum in gelatin/CMC edible films improves color appearance, stability, and antibacterial properties, making them suitable for raw beef preservation.

2023·

24citations

·T. V. Tran et al.

RSC Advances·

DOI

Preparation of Bovine Hides Gelatin by Ultra-High Pressure Technique and the Effect of Its Replacement Fat on the Quality and In Vitro Digestion of Beef Patties

Cowhide gelatin as a fat substitute in beef patties improves digestibility and fatty acid composition, with 75% and 100% substitution ratios yielding better digestibility characteristics.

In Vitro Study

2023·

4citations

·Mengying Liu et al.

Foods·

DOI

Selection of a chitosan gelatin-based edible coating for color preservation of beef in retail display.

Chitosan gelatin-based coating films effectively preserve beef color and reduce weight loss during retail display, with optimal results achieved using blends containing 3% to 6% gelatin, 0.5% to 1.0% chitosan, and 6% glycerol.

Highly Cited

2016·

152citations

·Giselle Pereira Cardoso et al.

Meat science·

DOI

Effects of active gelatin coated with henna (L. inermis) extract on beef meat quality during chilled storage

The gelatin-henna extract coating significantly increases the shelf-life of beef meat by reducing bacteria, lipid oxidation, and preserving color properties during chilled storage.

Highly Cited

2018·

99citations

·Mourad Jridi et al.

Food Control·

DOI

Manufacture and characterization of gelatin films derived from beef, pork and fish sources using twin screw extrusion

) and barrier properties of gelatin films derived from beef, pork, and fish sources, while increasing screw speed up to 300 rpm improved ( P P P ) and mechanical properties.

2012·

67citations

·Z. A. N. Hanani et al.

Journal of Food Engineering·

DOI

Nanostructural analysis and textural modification of tilapia fish gelatin affected by gellan and calcium chloride addition

Modified tilapia fish gelatin with gellan and calcium chloride successfully matches the texture properties of commercial beef gelatin, making it a promising alternative for religious consumption.

Highly Cited

2017·

122citations

·L. Sow et al.

Lwt - Food Science and Technology·

DOI

Characterization, antioxidant and antibacterial activities of gelatin film incorporated with protocatechuic acid and its application on beef preservation

Fish gelatin-PCA composite film improves barrier properties, antioxidant capability, and antibacterial effects, making it a promising packaging film for beef preservation.

2021·

53citations

·Chan Zhong et al.

Lwt - Food Science and Technology·

DOI

Characterization and Development of Gelatin from Cow Bones: Investigation of the Effect of Solvents Used for Soaking Beef Bones

Using 5% HCl solvent for soaking cow bones produces the highest yield and quality of gelatin, making it a promising and biodegradable material for various applications.

2023·

13citations

·S. Fatimah et al.

Applied Sciences·

DOI

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