How to Measure the Color of Food
Would you buy a raw brown steak? What about a blue apple? Green coconut flakes? Or a grey orange? Probably not. If the color of food isn’t ‘right’ consumers won’t buy it anymore, even if it is perfectly safe and…
Category Food Science Basics
Understanding food production, whether it’s at home are in a factory, starts with science. Once you have a grasp on some of the more basic science concepts, which you can find below, a whole new world opens up!
How Turmeric Gets its Color (& How to Make it Turn Red!)
The ‘secret’ behind that yellow dal, yellow rice, or beautifully colored curry? A decent chance that it’s turmeric. A mere teaspoon can help color a sauce or dish and it’s not just used in savory dishes. In some countries it…
What Is Water Activity (in Food)?
It is one of the most important parameters when determining the shelf life of foods. It’s what explains why your pie crust turns soggy over time. And it sounds more complicated than it is: water activity. For any food scientist,…
How Water Activity Relates to Microbial Growth
Ever wondered why you can’t store a peach at room temperature for several days, but why a peach flavored candy or peach jam will stay good for years? Or why fresh chilis may turn moldy in the fridge, whereas dried…
An Introduction to Gas, Liquids and Solids in Food – States of Matter
When you prepare food you continuously change the states of our ingredients. You melt butter in a hot pan, boil down a runny stock into a thick syrupy consistency or transform a liquid custard into a solid tub of ice…
The Science of Foams in Food
Think you need to be a molecular gastronomist, pr a chef at a fancy restaurant to try your hand at making food foams? Nothing could be further from the truth! Even though a lot of articles online write about these…
Managing enzymes in food – Basics of enzyme science
Have you ever made a beautiful pesto blend, full of basil flavour, with a vibrant green colour, that didn’t look all that vibrant anymore the day after? Or left that peeled banana or sliced apple for a few hours to…
An Introduction to Acid/Base Reactions in Food
Red cabbage juice changes colour when you add a squirt of lime juice or a spoonful of baking soda. Baking powder causes your cake to rise beautifully in the oven. You can ‘cook’ fish by adding lemon and lime juice,…
Vitamin C (ascorbic acid) oxidation & Preventing vitamin C loss
Only a few centuries ago, European (and likely many others) seamen died by the dozens during months long sea voyages to the East. Trips to the East, essential for European traders to get those beloved spices, fabrics and other trading…
How baking powder & baking soda work – Chemistry of leavening agents
Ever forgot to add the baking powder or baking soda to your recipe? Or used baking soda and baking powder in your cake, only to discover it resulted in a flat cake? Baking powder & baking soda have a crucial role…
How Liquor is Distilled – Raoult’s Law
We know how to make spirits (we discussed that here), and we know that to make spirits (or liquors) you need to distill fermented grains. Distillation isn’t just used in spirits production though. It is one of any chemical engineer’s…
The Science of Chocolate Milk (And How to Prevent Sedimentation)
Nothing fits a good wintery day better than a warm chocolate milk, don’t you agree? The heat of the milk warms you up just a little and it gives you enough of a boost of energy to get going again.…