Food & Chemistry

Food & Chemistry

Author: Vera KoesterORCID iD
Author Archive: Vera Koester

This curated collection examines the chemistry of everyday foods and drinks—from the flavors of herbs and spices to the processes behind coffee roasting, alcohol digestion, and chocolate production. It also looks at the chemical changes in cooking and the discovery of key ingredients and techniques. 

Explore a growing list of articles, videos and clever pictures below.

 

What Controls our Choice of Food? – Part 1

Which food components might modify brain activity patterns and induce compulsive eating? How food components interact with the GABA type A receptor and the search for neuroactive food ingredients.

 

Vitamin C Deficiency

How the long road to understanding vitamin C deficiency was paved with missed chances.

 

 

 

 

🍳 Cooking

From the Maillard reaction to emulsification, from whipped egg whites to baking powder and, of course, cooking itself … — there is chemistry involved everywhere.

Nutmeg Chemistry

Clever Picture: Nutmeg Chemistry

A look at the chemistry of the slightly volatile aroma of nutmeg

 

Allspice Chemistry

Clever Picture: Allspice Chemistry

Contrary to what its name suggests, allspice is not a mixture but one unique ingredient

 

Uncooking Eggs

News: Uncooking Eggs

Shear stress applied to protein solutions facilitates unfolding and refolding of target proteins

 

Egg White Chemistry

Clever Picture: Egg White Chemistry

Egg white or albumen is very suitable as a baking agent, as it forms a voluminous and strong foam

 

 

 

🍪 Baking

Clever Picture: Baking Powder Chemistry,
https://doi.org/10.1002/chemv.202000119

We know baking powder as raising agent from the kitchen and in this Clever Picture we take a look at how it works and how it was developed

Focus: Our Daily Bread,
https://doi.org/10.1002/chemv.201300016

Transformation of ripe ears of grain into a fragrant, aromatic bread borders on the miraculous and behind such a miracle lies chemistry

Clever Picture: Sourdough Chemistry,
https://doi.org/10.1002/chemv.202000135

A stable symbiotic culture of lactic acid bacteria and yeasts used as a leavening agent

Focus: The Saccharin Saga,
https://doi.org/10.1002/chemv.201500076

The invention of the first artificial sweetener and a lifetime battle for credit and how other artificial sweeteners followed

Clever Picture: Sugar Chemistry
https://doi.org/10.1002/chemv.202000120

We all love sugar, but what is it chemically and since when do we know sugar?

Clever Picture: Egg White Chemistry,
https://doi.org/10.1002/chemv.202000130

Egg white or albumen is very suitable as a baking agent, as it forms a voluminous and strong foam

Clever Picture: Hartshorn Salt Chemistry,

https://doi.org/10.1002/chemv.202000139

Hartshorn salt is a mixture of two parts ammonium hydrogen carbonate and one part ammonium carbonate and some ammonium carbamate

Clever Picture: Recipe for Lebkuchen,
https://doi.org/10.1002/chemv.202000126

German gingerbread is soft and moist and is made with nuts and a special spice mixture, the Lebkuchen spice

 Yeast Chemistry

Clever Picture: Yeast Chemistry

Yeast has been of vital importance in winemaking, baking, and brewing since ancient times

A Chemical Examination of the Isenheim Altar: Role Played in History by Horned Rye  Focus: A Chemical Examination of the Isenheim Altar: Role Played in History by Horned Rye

The Isenheim Altar depicts the symptoms and treatment of “St. Anthony’s Fire”, the result of poisoning by ergot alkaloids. The article examines the disastrous influence that alkaloids from ergot have had in human history

 

 

🍰 Sugar & Sweets

The Licorice Wheel

Focus: The Licorice Wheel

The root of the licorice plant is one of the oldest known remedies – we will take a deeper look at the chemistry of this healthy treat

 

The Saccharin Saga

Focus: The Saccharin Saga

The invention of the first artificial sweetener and a lifetime battle for credit

 

Chocolate – The Noblest Polymorphism

Focus: Chocolate – The Noblest Polymorphism

29 July 2010 — Chocolate is a cultural asset of mankind. Klaus Roth proves, once again, only chemistry is able to produce such a celestial pleasure

 

 

 

💧Water

 

 

🥂 Alcohol

The Oktoberfest Rearrangement

A closer look at the chemical role hops play in the beer-brewing process shows how beer owes its marvelous flavor to a great deal of chemistry.

 

How to Make Beer

Video: How to Make Beer

Beer owes its marvelous flavor to a great deal of chemistry.

 

Sparkling Wine, Champagne & Co – Part 1

Focus: Sparkling Wine, Champagne & Co

Looking a bit deeper into the glass we discover that there is a great deal of chemistry involved … only chemistry can be this tingling.

 

Absinthe: The Magic of the Green Fairy

Focus: Absinthe: The Magic of the Green Fairy

When drinking modern absinthe, is there still a chance of getting a kiss from the Green Fairy like the Bohemian Parisians at the end of the 19th century?

 

 

 

☕ Coffee

Lab-Grown Coffee

Interview with Heiko Rischer, VTT Finland, about the potential of cellular agriculture for sustainable food production

 

Espresso Crema

Why does an espresso need a crema and what should it look like?