Inhibition of lactic acid bacteria on ready-to-eat meats using hops beta acids
A novel solution using hops beta acids (HBA) to inhibit spoilage bacteria on ready-to-eat meats like ham and frankfurters. Applying HBA via dipping or electrostatic spraying reduces lactic acid bacteria by 1-2 log CFU/cm2, ensuring product quality and extending shelf life.
Overview
This innovative solution leverages the antimicrobial properties of hops beta acids (HBA) to control spoilage bacteria on ready-to-eat (RTE) meat products such as ham and frankfurters. The application of HBA through dipping or electrostatic spraying has been shown to inhibit lactic acid spoilage bacteria by 1-2 log CFU/cm2. This approach not only extends the shelf life of RTE meats but also maintains their quality and sensory attributes, offering a natural and effective means to enhance food safety and freshness.
Technical specifications
Key features:
- Utilizes hops beta acids, known for their effectiveness against Gram-positive bacteria, to reduce spoilage organisms.
- Methods include dipping or electrostatic spraying of HBA solutions ranging from 0.05% to 0.23%.
- Effective during vacuum packaging or aerobic storage conditions at temperatures between 4°C and 12°C.
- Demonstrated reductions of 1-2 log CFU/cm2 in spoilage bacteria without compromising the color or taste of the meat.
- Future validation involves extensive microbial analysis and predictive modeling using USDA-IPMP and GinaFit software.
Technology readiness level
This technology is at TRL 4, having been validated in laboratory environments with ongoing plans for further testing and optimization in real-world conditions. The next steps include comprehensive microbial analysis over extended storage periods and additional sensory evaluations to ensure consistent quality and safety.
About West Virginia University
West Virginia University is a comprehensive public land‑grant research university headquartered in Morgantown and serving the state through academics, research, and outreach. For industry, a statewide Extension network provides on‑the‑ground access to communities, facilities, and field sites, while an integrated academic medical center and health system enable clinical research and translational partnerships. The university connects corporate R&D with talent through co‑op and internship pipelines and applied engagements. Research is supported by competitive federal funding from agencies such as NIH, NSF, DOE, and USDA. WVU’s Office of Innovation and Commercialization manages IP, licensing, and startup pathways to provide a clear entry point for collaboration.
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