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Rumford's Soup

Rumford's Soup is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Rumford's Soup rather than just read about it. In short: Rumford's Soup (Rumfordsche Suppe, also called economy soup) was an early effort in scientific nutrition. It was invented by Benjamin Thompson, Reichsgraf von Rumford, circa 1800 and consumed in Munich and greater Bavaria, where he was employed as an advisor to Charles Theodore, Elector of Bavaria.

Rumford's Soup — main illustration
Rumford's Soup — illustration

Key takeaways

  • Rumford's Soup belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Rumford's Soup to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Rumford's Soup from memory before moving on to harder problems.

Reference excerpt

Rumford's Soup (Rumfordsche Suppe, also called economy soup) was an early effort in scientific nutrition. It was invented by Benjamin Thompson, Reichsgraf von Rumford, circa 1800 and consumed in Munich and greater Bavaria, where he was employed as an advisor to Charles Theodore, Elector of Bavaria. It was used as a ration for the poor, for Bavarian workhouses and military workhouses, and prisoners. Count Rumford has been credited in many instances for "establishing the first real soup kitchen." As a reformatory measure, the Bavarian government intended to institute workhouses for those on welfare. Rumford's charge was to provide the cheapest possible ration that was still a high-calorie, nutritious food. The soup came to be well known among philanthropic-minded people throughout Germany at the time, and Rumford set up his soup kitchens in many German cities. Rumford's soup was a common base for inexpensive military rations in Central Europe for much of the nineteenth and twentieth century.

Ingredients Rumford's soup contained equal parts of pearl barley or barley meal and dried peas, vegetables, four parts potato, salt according to need, and sour beer, slowly boiled until thick. The use of potatoes came into use in later versions of the soup. It was typically eaten with bread. It has been stated that Rumford's recipe called for the bread to be served uncooked, and "added just before serving the soup." One account describes the soup as being poured atop the bread just prior to serving. Rumford noted that the barley served to significantly thicken the soup and provide a richness to it, and he considered the cereal grain as "the rice of Great Britain." Some versions were composed of cereals, minor amounts of meat and other ingredients. Not noted as particularly tasty, it is palatable with long, slow cooking.

Nutrition Rumford's Soup was designed to provide a high degree of nutrition at minimal expense. It has been estimated that the soup provided one-third of a person's minimal (daily) nutritional requirements. Rumford's soup is naturally low-fat, with high protein content from the dried peas, and both complex carbohydrates from the potato and barley and simple carbohydrates from the beer. Given the knowledge of the day, it was close to an optimum solution to the problem of creating cheap, nutritious food. Unfortunately, the need for vitamins and trace elements was unknown, but Rumford's soup was sometimes supplemented with corn or herring which supplied adequate vitamin C and vitamin D.

In popular culture The soup is occasionally served today to illustrate the past, such as at the "Oide Wiesn" historical section of the Oktoberfest celebrations in Munich, meant to recreate Oktoberfest in the "olden days".

See also

List of soups List of German soups Peasant food

References

Further reading Lucas, S. (1862). Once a Week: An Illustrated Miscellany of Literature, Art, Science & Popular Information. Bradbury, Evans & Company. Retrieved January 24, 2015. Walker, H. (1991). Oxford Symposium on Food & Cookery, 1990: Feasting and Fasting : Proceedings. Oxford Symposium on food & cookery. Prospect Books. p. 130. ISBN 978-0-907325-46-8. Retrieved January 24, 2015. Gunderson, G.W. (2003). The National School Lunch Program: Background and Development. Nova Science Publishers. pp. 1–2. ISBN 978-1-59033-639-7. Retrieved January 24, 2015. Molnár T. B. & Bittera Dóra: A gróf sparheltja (The count's cooking range). Magyar Nemzet, 23 April 2005. "On the benefits of thermodynamics". MTA Wigner Fizikai Kutatóközpont Részecske- és Magfizikai Intézet. Retrieved January 24, 2015.

Illustrations

Rumford's Soup illustration

Worked examples

Example 1 — a first encounter with Rumford's Soup

Start with the simplest possible case. Write down what Rumford's Soup claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Rumford's Soup before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Rumford's Soup ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Rumford's Soup

In research
Rumford's Soup appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Rumford's Soup in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Rumford's Soup is common in secondary-school and first-year university syllabi. It links to neighbouring topics German soups, Nutrition, so understanding it makes those chapters shorter.
In everyday life
Look for Rumford's Soup outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Rumford's Soup in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Rumford's Soup means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Rumford's Soup out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Rumford's Soup in simple terms?

Rumford's Soup (Rumfordsche Suppe, also called economy soup) was an early effort in scientific nutrition. It was invented by Benjamin Thompson, Reichsgraf von Rumford, circa 1800 and consumed in Munich and greater Bavaria, where he was employed as an advisor to Charles Theodore, Elector of Bavaria.

Why does Rumford's Soup matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Rumford's Soup?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Rumford's Soup.

Tags

  • German soups
  • Nutrition

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