Ketchup

Ketchup

Tomato ketchup

Ketchup is a condiment that is typically made from tomatoes, vinegar, sugar, and various seasonings and spices. It is most commonly used as a condiment to dishes such as French fries, hamburgers, hot dogs, and various other foods. The term "ketchup" originally referred to a variety of different sauces, but in modern times, it is most commonly associated with tomato ketchup.

History

The origins of ketchup can be traced back to the 17th century in Asia, where a fermented fish sauce called "kê-tsiap" was used. This sauce was brought to Europe by traders, and over time, the recipe evolved. By the early 18th century, British cooks had adapted the sauce to include ingredients such as mushrooms, walnuts, and oysters.

Homemade mushroom ketchup

In the United States, tomato-based ketchup began to gain popularity in the early 19th century. The first known recipe for tomato ketchup was published in 1812 by scientist James Mease. By the mid-19th century, commercial production of tomato ketchup had begun, with companies such as Heinz becoming major producers.

Production

Ketchup is produced by cooking tomatoes with vinegar, sugar, and spices. The mixture is then strained to remove seeds and skins, resulting in a smooth sauce. The consistency of ketchup is typically thick and pourable, which is achieved through the use of thickeners such as cornstarch.

Different types of ketchup on a plate

Varieties

While tomato ketchup is the most common variety, there are several other types of ketchup that have been developed over the years. These include mushroom ketchup, banana ketchup, and curry ketchup. Each variety has its own unique flavor profile and is used in different culinary contexts.

Culinary Uses

Ketchup is widely used as a condiment for a variety of dishes. It is often served with fried foods such as French fries and onion rings. Ketchup is also a popular topping for hamburgers and hot dogs. In addition to its use as a condiment, ketchup can be used as an ingredient in recipes such as meatloaf, barbecue sauce, and salad dressings.

Pouring ketchup at Elmo's Diner

Cultural Impact

Ketchup has become a staple in many households around the world. Its popularity has led to its inclusion in various cultural references and media. The condiment is often associated with American cuisine, but its use is widespread globally.

Rheology

Ketchup is known for its unique flow properties, which are described as "shear-thinning" or "pseudoplastic". This means that ketchup becomes less viscous when shaken or squeezed, allowing it to flow more easily. This property is due to the presence of thickeners and the structure of the tomato particles in the sauce.

File:Dilatant-pseudoplastic.svg

Ketchup

Related Pages

• Condiment
• Tomato
• Vinegar
• Heinz