Freeze-drying is one of the two methods of producing instant coffee. The other method is spray drying. Freeze-drying involves roasting, grinding, and dissolving coffee beans into hot water. The mixture is then filtered, leaving behind a highly concentrated liquor. The liquor is chilled at a temperature of -20 degrees Celsius, resulting in tiny pieces of coffee. These newly formed but frozen pieces of coffee are then placed in a drying vacuum set at a temperature of about -40 degrees Celsius, forming our beloved solid soluble coffee (Instant coffee).
How Is It Different from Freshly Ground?
Ground coffee does not dissolve in water. For this reason, you may want to brew it first and then filter it to get a highly concentrated liquor.
Are There Different Health Benefits to Each? What/Why?
Instant coffee has more antioxidants, polyphenols, and chlorogenic acid than ground coffee. On the other hand, ground coffee packs more potassium than instant coffee. So yes, there are different health benefits to each type of coffee.
Is One Better Than the Other When It Comes to Health Outcomes?
Because instant coffee has more antioxidants, chlorogenic acid, and polyphenol acid than its cousin ground coffee, it is safe to say it is better when it comes to health outcomes.
How Is Best to Drink Coffee To Reap The Health Benefits?
Avoid added sugar. As one of the worst ingredients out there, added sugar heightens the risk of obesity and diabetes.
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