Natural Preservative Experimental Data-2-Henan Weichuang Bio-tech Co., LTD.

New Research on Natural Preservatives: Potassium Cinnamate Shows Promise as a Replacement for Chemical Preservatives – Antimicrobial Mechanism and Safety Confirmed by Authoritative Study

Latest Findings Published in LWT-Food Science and Technology, 2025 Food spoilage and contamination by foodborne pathogens remain major challenges for the global food industry. Currently, the industry widely uses chemical preservatives such as sodium benzoate and potassium sorbate to extend shelf life. However, excessive use of these additives may pose potential risks to human health and the environment, such as metabolic interference and even chronic diseases from long-term overconsumption. Therefore, the search for safe and effective natural preservatives has become a research hotspot. A recent study published in the international journal LWT-Food Science and Technology (Issue 215, 2025) revealed that potassium cinnamate, a natural compound, exhibits excellent antimicrobial activity and biological safety, making it a promising alternative to chemical preservatives in the food industry. The research was jointly conducted by the Key Laboratory of Fermentation Engineering (Ministry of Education) at Hubei University of Technology, the State Key Laboratory of Bioreactor Engineering at East China University of Science and Technology, and other institutions. The team systematically demonstrated the inhibitory effects and mechanisms of potassium cinnamate against common foodborne pathogens. 1. Significant Antimicrobial Activity, Superior to Multiple Chemical Preservatives The study found that the antimicrobial efficacy of potassium cinnamate is comparable...

Cultured Sugar —- a “natural” alternative to synthetic preservatives such as sorbates and benzoates

Cultured sugar, also known as cultured dextrose or fermented dextrose, is a food ingredient used primarily as a natural preservative and shelf life extender. It is made by fermenting glucose (corn sugar) with specific bacteria, producing a mixture of organic acids and other metabolites that inhibit the growth of mold and bacteria. This allows foods to retain their freshness and quality longer. Benefits and Uses: 1. Shelf Life Extension: It helps inhibit the growth of toxins and bacteria, extending the shelf life of a variety of foods. 2. Natural Preservative: Cultured glucose is often used as a “natural” alternative to synthetic preservatives such as sorbates and benzoates. 3. Flavor Enhancement: It can also affect the overall flavor of food. 4. Clean Label: It allows food manufacturers to use “cultured sugar” or “fermented glucose” on ingredient labels to appeal to consumers seeking natural and minimally processed foods. Common Applications: Baked goods (bread, tortillas, etc.). Dairy products (cheese, yogurt, etc.). Salad dressings and sauces. Meat and meat alternatives. Condiments and dips. Pet food. Important Notes: 1. While generally recognized as safe, it is important to check the allergen information on the specific product label, as some cultured glucose may...

Antibacterial Principle | Buffered Vinegar (Powder)

The Antibacterial Principle of Buffered Vinegar (Powder) 1. Low pH environment inhibits microbial growth The pH of ordinary vinegar is usually between 2.4 and 3.4, while buffered vinegar can adjust and stabilize the pH in a certain acidic range (depending on the application scenario). The suitable growth pH of most microorganisms (such as bacteria, molds, and yeasts) is in the neutral to weakly acidic range (pH 4.5~7.0). Low pH will destroy the enzyme activity in microbial cells, interfere with cell membrane function, and inhibit their metabolism and reproduction ability. For example: Bacteria: Most pathogenic bacteria (such as Escherichia coli and Salmonella) are inhibited when pH <4.5; Molds and yeasts: Although they have strong tolerance to acidic environments, their reproduction rate decreases significantly when pH <3.5. 2. Antibacterial effect of undissociated acetic acid Buffered vinegar contains a large number of undissociated acetic acid molecules, which are highly lipid-soluble and can penetrate the microbial cell membrane and enter the cell. After entering the cell, the acetic acid molecule dissociates into acetate ions (CH₃COO⁻) and hydrogen ions (H⁺), causing the intracellular acidity to increase, destroying the acid-base balance, and consuming ATP energy (used to excrete H⁺), ultimately inhibiting the activity of microorganisms and...

Fresh Noodles Preservation | Screening Experiment on the Addition Level of Buffered Vinegar Powder A64

◆Experimental Purpose: To detect the preservation effect of different concentrations of Buffered Vinegar Powder A64 on wet noodles (26% moisture) ◆Experimental Groups: Different concentrations of Buffered Vinegar Powder A64 were added to the wet noodles (based on the mass of flour) The positive control group was treated with 0.5% potassium sorbate. No additives are added to the blank group. Sample Project Evaluation Day 1 Day 2 Day 3 Day 4 Blank Group Color White, uniform White, uniform White to gray, uneven White to gray, uneven Organizational form Uniform structure, no sticking Uniform structure, no sticking Uniform structure with a small amount of adhesion Uniform structure with a small amount of adhesion Impurities No foreign body visible to normal vision No foreign body visible to normal vision No foreign body visible to normal vision There are sporadic black spots on the surface Odor Normal, no sour taste Normal, no sour taste Sour Sour and musty , unacceptable 0.5% Color White, uniform White, uniform White to gray, uneven White to gray, uneven Organizational form Uniform structure, no sticking Uniform structure, no sticking Uniform structure with a small amount of adhesion Uniform structure with a small amount of adhesion Impurities No foreign...

Gluten Preservation | Buffered Vinegar Powder A64

♦ Experimental Purpose: To test the preservation effect of Buffered Vinegar Powder A64 in gluten ♦ Experimental Conditions: 4°C for one week ♦ Experimental Groups: Blank Group (no preservatives added) Experimental Group 1 (added 0.6% buffered vinegar powder A64) Experimental Group 2 (added 0.01% Nisin) The three groups of samples were compared, and the results are as follows: The Inhibition of the Total Number of Bacteria in Gluten Products by Different Antibacterial Products Sensory Evaluation Samples/Time 1 Day Sensory Evaluation 3 Days Sensory Evaluation 5 Days Sensory Evaluation 7 Days Sensory Evaluation Blank Group The color of gluten is white with a slight gray color; the tissue is uniform in size, elastic, and can recover after deformation. The texture is honeycomb-like, non-sticky, and free of impurities. The gluten processed from fresh flour has a slight flour aroma and no other peculiar smell; it has the inherent flavor of gluten and a chewy texture. The color becomes darker; the elasticity is poor, it is not sticky, and the size is uneven; the inherent smell of gluten is bland, with a slight odor; the taste is bland and slightly sticky to the teeth. The color is gray; it loses its...

Fresh Noodles Preservation | Buffered Vinegar Powder A64

◆ Experimental Purpose: To test the preservation effect of Buffered Vinegar Powder A64 in fresh noodles. ◆ Experimental Conditions: 37℃ for 8 days ◆ Experimental Groups: Blank Group (no preservatives added) Experimental Group 1 (adding 0.1% A64) Experimental Group 2 (adding 0.25% A64) The three groups of samples were compared, and the results are as follows: Total Plate Count (CFU/g) Group/Time Day 2 Day 3 Day 4 Day 6 Day 8 Blank Group 5.96×104 ＞4.0×104 ＞4.0×104 ＞4.0×104 ＞4.0×104 Experimental Group 1 1.32×102 3.54×103 ＞4.0×104 ＞4.0×104 ＞4.0×104 Experimental Group 2 88 1.25×102 2.98×103 3.82×104 ＞4.0×104 Sensory Evaluation Group/Time 1 Day Sensory Evaluation 2-4 Days Mold Growth 6-8 Days Mold Growth Blank Group On the first day, the noodles are bright in color; the surface is smooth and the structure is tight; the strength of biting through the noodles is moderate; they are chewy, elastic, refreshing, non-sticky, and have a smooth taste with a fresh floury aroma. Mold Mold Experimental Group 1 No mold Mold Experimental Group 2 No mold Mold Conclusion: ★ The total plate count of the blank group exceeded 4000 CFU/g on the second day at 37°C, and mold began to grow on the second...

Tomato Sauce Preservation | Buffered Vinegar Powder A64 with Lab Report

◆ Experimental Purpose: To test the preservation effect of Buffered Vinegar Powder A64 in tomato sauce (stored at 25℃) ◆Experimental Groups: Prepare Buffered Vinegar Powder A64 solutions of different concentrations The blank group does not add Buffered Vinegar Powder A64 The positive control group adds 0.5% potassium sorbate (Note: A64 is white powder, which is dissolved in water to make a solution.) Sensory Evaluation Sample Day 1 Day 2 Day 3 Day 4 Day 5 Blank group No pungent smell, strong tomato flavor No pungent smell, strong tomato flavor Slight pungent smell, slight odor Slight pungent smell, slight odor Slight pungent smell, obvious odor 0.2% Slightly pungent smell, strong tomato flavor Slightly pungent smell, strong tomato flavor Slight pungent smell, slight odor 0.4% No pungent smell, strong tomato flavor 0.6% 0.8% Slightly pungent smell, strong tomato flavor 1.0% 1.2% Control group ★ Based on the above experimental results, it can be concluded that the...

Crab Paste Preservation | Buffered Vinegar Powder A64 with Lab Report

◆ Experimental Purpose: To test the preservation effect of buffered vinegar powder A64 in crab paste (stored at 25℃) ◆Experimental groups: Prepare Buffered Vinegar Powder A64 solutions of different concentrations The blank group does not add Buffered Vinegar Powder A64 The positive control group adds 0.5% potassium sorbate (Note: Buffered Vinegar Powder A64 is white powder, soluble in water to make a solution.) Sensory Evaluation Sample Index Day 1 Day 7 Day 8 Day 10 Blank Group Color Yellow, basically uniform Uneven yellow and white Uneven yellow and white Uneven yellow and white Smell Normal, no odor Normal, no odor Sour taste Sour taste 0.4% Color Yellow, basically uniform Yellow, basically uniform Uneven yellow and white Uneven yellow and white Smell Normal, no odor Normal, no odor Normal, no odor Normal, no odor 0.8% Color Yellow, basically uniform Yellow, basically uniform Uneven yellow and white Uneven yellow and white Smell Normal, no...

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