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The Mercaptan Sensing Pad is a smart freshness indicator designed for durian and other sulphur‑rich foods. It uses a mercaptan‑responsive chemosensing ink to detect mercaptan gas, a key aromatic compound released as durian ripens and deteriorates. As mercaptan levels rise, the pad or label changes from brown to black, providing a clear visual signal that the product is moving from optimal ripeness to over‑ripe or spoiled. This helps gift box producers, retailers and central kitchens adjust selling strategies, remove risky stock in time, reduce returns, and protect brand reputation without complex testing equipment.

Perfectly Ripe, EveryTime – No Guesswork! Unlock the ultimate durian experience with ZenxTag’s Durian Detection Gift Box. Our innovative solution ensures you enjoy durians at their peak ripeness, blending cutting-edge technology with user-friendly design for consumers and retailers alike.

The Ethylene Sensing Pad is a smart label for monitoring fruit ripeness and freshness in retail and supply‑chain environments.&nbsp;It uses an ethylene‑responsive chemosensing ink to detect ethylene gas, a natural ripening hormone released by fruits.&nbsp;When ethylene levels rise, the pad changes from yellow to blue, indicating that fruits are moving from fresh to ripening/over‑ripe stages. This gives fruit retailers and distributors a simple colour‑based tool to decide when to promote, sell or remove stock, helping reduce fruit waste and improve customer experience.

The Biogenic Amine Sensing Pad is a smart paper-based freshness indicator designed for meat and high-protein foods. It contains a chemosensing ink that reacts to biogenic amines, which are key spoilage gases released when meat deteriorates. During storage and distribution, the pad sits close to the product and changes from colourless to blue as biogenic amines accumulate, giving a clear visual signal of spoilage risk. &nbsp;This enables internal QC teams, central kitchens and frozen food factories to quickly identify unsafe batches, reduce food waste, and protect brand reputation without complex instruments.

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