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WS-5 Cooling Agent (N-[(Ethoxycarbonyl)methyl]-p-menthane-3-carboxamide) is a premium synthetic food-grade cooling agent that delivers the strongest cooling intensity among commercially available WS-series coolants—approximately two and one-half times the cooling intensity of WS-3 and four times that of menthol . Unlike earlier versions that had a bitter aftertaste, modern WS-5 produced through advanced patented processes is substantially pure and free from bitterness, offering a smooth and round flavor profile . It is listed as a food additive under FEMA 4309 and is widely used in food, beverage, oral care, and cosmetic products .
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