Food Chemistry


Real wasabi is green because of chlorophyll. Most "wasabi" is horseradish dyed with food coloring or spinach. (Jay Abrantes)
The spicy-hot green ball served with sushi is called wasabi, but unless you live in Japan, you’re almost certainly eating a substitute. This fake wasabi is made from horseradish, mustard, starch, and either green food coloring or spinach. You have to use the ingredient list rather than the product name […]

Why Is Wasabi Green?   Recently updated !






Chip pan fire demonstration in a laboratory.
Have you ever experienced a chip pan fire or other kitchen grease fire? This photograph actually is a simulated chip pan fire, produced as a demonstration. I have to wonder if the simulation was intended to be that spectacular. Also, I bet that fire was pretty intriguing to people passing by the […]

About the Chip Pan Fire Demonstration


Blue (left) is butterfly pea flower in water; purple (right) is flower tea dripped into white wine. Pink (center) is lemonade colored with the flower.
Many flowers, fruits, vegetables, and spices are natural pH indicators. Examples include rose petals, red cabbage, beets, onions, violets, and blue morning glory flowers. These substances change color in response to acidic or alkaline ingredients. Some natural pH indicators taste terrible, while others are expensive, hard to find, or weakly […]

Easy Color Change Drinks That Actually Taste Good