Research on the potential of Eucalyptus angustifolium extract as a natural preservative in meat products

Author：JIANGXI AIYI HI-TECH CO., LTD. Click： Time：2025-04-02 11:54:55

Recently, a multidisciplinary research team has conducted an in-depth study on the effectiveness of Eucalyptus angustifolium extract as a natural preservative in meat products. The researchers believe that this natural additive has the potential to provide a "clean label" solution for meat products such as beef burgers, thereby extending the shelf life and improving the stability of the product to meet the market demand for healthier and more natural food options while ensuring product quality.

Using gas chromatography-mass spectrometry (GC-MS) analysis, the researchers detected a series of phytochemicals, among which α-pinene and β-cis-butene dominated the volatile components and made an important contribution to the complex odor characteristics of the extract. In addition, high-performance liquid chromatography (HPLC) analysis showed that the extract was rich in phenolic compounds, such as ascorbic acid and gallic acid, and exhibited high antioxidant activity. The research results have been published in Food Science and Nutrition (1).

Market Trends and Research Background of Natural Preservatives

As consumers' health awareness increases and their attention to food ingredients continues to increase, the market demand for more natural and healthier foods continues to grow. This trend has promoted the in-depth research of natural food additives in the food industry, especially natural ingredients derived from plants, which have attracted widespread attention in improving food quality and extending shelf life due to their potential health benefits and functional properties (1,2).

In the field of meat products, the application research of plant-based antioxidants is particularly important. Meat products, especially processed meat products, are very susceptible to quality deterioration due to oxidation, including discoloration, flavor loss and loss of nutritional value (3). Lipid oxidation is one of the key challenges in meat preservation, which has a direct impact on sensory quality and nutritional value. Traditionally, synthetic antioxidants such as butylated hydroxytoluene (BHT) and butylated hydroxyanisole (BHA) have been widely used for antioxidants, but in recent years, due to the controversy over their potential health risks, the market demand for natural alternatives has continued to grow (4).

Eucalyptus angustifolia has attracted attention for its rich phenolic and flavonoid compounds, and has shown significant antioxidant properties in a variety of medicinal studies. Its potential for application in the field of food preservation makes it an ideal candidate natural ingredient for meat preservation (5,6).

Research findings and application prospects

Through GC-MS analysis, researchers identified a variety of phytochemical compounds in the extract of Eucalyptus angustifolia, among which α-pinene and β-cis-butene were the most abundant and constituted the main volatile components of the extract. HPLC analysis further confirmed the presence of a variety of phenolic and flavonoid compounds in the sample, among which ascorbic acid was the main component, showing excellent antioxidant activity and biological effects. Gallic acid became the second main component due to its strong antioxidant and antibacterial properties (1).

The results showed that the extract of Eucalyptus angustifolia was rich in total phenolic and flavonoid compounds and had significant antioxidant activity. The experiment found that after adding the extract to meat products, the pH value and color parameters of the meat changed significantly, especially under higher concentration conditions (9g), a certain pro-oxidative effect was observed. The results of thiobarbituric acid reactive substances (TBARS) analysis showed that the degree of lipid oxidation was enhanced under high concentration conditions. However, within the appropriate concentration range, the extract showed great potential in inhibiting oxidation and maintaining the quality of meat products (1).

The research team believes that the extract of Eucalyptus angustifolia can be used as a high-quality candidate ingredient for natural preservatives and has broad application prospects in the food industry. Future research will further optimize its application conditions in meat products to ensure its optimal antioxidant effect while meeting the market demand for natural food additives.

References

1. Dilek, N. M.; Gümrükçüoğlu, A.; Demirel, G.; et al. Antioxidant and Preservative Effects of Epilobium angustifolium Extract in Beef Burgers Products: Physicochemical Properties, Color Stability, Lipid Oxidation, and Molecular Docking Analyses. Food Sci Nutr. 2025, 13 (4), e70125. DOI: 10.1002/fsn3.70125

2. Kavaz Yüksel, A.; Dikici, E.; Yüksel, M. et al. Phytochemical, Phenolic Profile, Antioxidant, Anticholinergic and Antibacterial Properties of Epilobium angustifolium (Onagraceae). Food Measure. 2021, 15, 4858–4867. DOI: 10.1007/s11694-021-01050-1

3. Manessis, G.; Kalogianni, A. I.; Lazou, T. et al. Plant-Derived Natural Antioxidants in Meat and Meat Products. Antioxidants 2020, 9, 1215. DOI: 10.3390/ANTIOX9121215

4. Wang, W.; Xiong, P.; Zhang, H. et al. Analysis, Occurrence, Toxicity, and Environmental Health Risks of Synthetic Phenolic Antioxidants: A Review. Environ. Res. 2021, 201, 111531. DOI: 10.1016/j.envres.2021.111531

5. Ferysiuk, K.; Wójciak, K. M.; Kęska, P. Effect of Willow Herb (Epilobium angustifolium L.) Extract Addition to Canned Meat With Reduced Amount of Nitrite on the Antioxidant and Other Activities of Peptides. Food Funct. 2022, 13, 3526–3539. DOI: 10.1039/D1FO01534F

6. Nowak, A.; Zielonka-Brzezicka, J.; Perużyńska, M. et al. Epilobium angustifolium L. as a Potential Herbal Component of Topical Products for Skin Care and Treatment—A Review. Molecules 2022, 27(11), 3536. DOI: 10.3390/molecules2711353

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Research on the potential of Eucalyptus angustifolium extract as a natural preservative in meat products

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