Scientists have developed a way to spot fake honey without opening the jar – by shining light through it. The research was led by Dr. Maria Anastasiadi, a lecturer in bioinformatics. She shared with Express: “Honey can easily be targeted by fraudsters, costing honest suppliers money and undermining trust.
Our method is a quick and efficient tool to identify suspicious samples, helping to protect consumers and the supply chain.”
Fake honey is made from various ingredients intended to substitute or blend with natural honey to reduce costs or increase profits. It can be made from substances such as cane sugar, corn syrup, glucose, or other similar-tasting syrups.
Signs of fake honey:
Viscosity and color: Genuine honey tends to have a viscosity and color that varies depending on the season and floral source. Fake honey may have unnatural colors and viscosity, often consistent and unchanged over time.
Taste and smell: Real honey has a rich and unique flavor profile, whereas fake honey often tastes monotonously sweet and lacks distinctive aromas.
Crystallization: Natural honey has a tendency to crystallize over time, especially when stored at lower temperatures. Fake honey usually doesn’t crystallize or does so very minimally.
Home tests: Some simple tests include dropping honey into water to see if it dissolves quickly, burning a small amount of honey with a candle wick to check its flammability, or dripping honey onto paper to observe water absorption.
Frequently asked questions
Scientists have developed a new method that uses nuclear magnetic resonance (NMR) technology to analyze the chemical composition of honey. This technique can identify fake honey by detecting unusual levels of certain sugars and other indicators of adulteration.
Traditional methods of detecting fake honey often involve destructive testing, such as opening the jar and performing chemical analyses, which is time-consuming and costly. There is a need for a faster, non-invasive method to ensure the authenticity of honey.
Nuclear magnetic resonance spectroscopy measures the resonance absorption of electromagnetic radiation in the radio frequency range by nuclei in a strong constant magnetic field. This technique provides detailed information about the chemical composition of a substance, including the types and quantities of atoms, molecules, and bonds present.
The NMR method can detect abnormal levels of certain sugars, such as fructose and glucose, which are often added to dilute pure honey. It can also identify other indicators of adulteration, such as the presence of syrups, sugars from different sources, or even harmful substances.
Yes, NMR technology offers a non-invasive, rapid, and accurate way to detect fake honey. It does not require opening the jar, preserving the product’s integrity. Additionally, it provides a detailed chemical analysis, helping to ensure consumers receive pure, authentic honey.
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