Ketchup was on a diarrhea cure

Quick: Pictures the contents of a typical us refrigerator. Did you imagine a half-used bottle of ketchup sitting on a shelf? If you did, well don. Since at least the 1920s, ketchup has been the Condient of Choice for Millions of Americans. It is estimated that 97% of us households consume ketchup with the average American ingesting roughly three bottles of the sauce economy. A Pillar of Fast Food Culture, Ketchup is Affordable, Versatile, and A Kids-Favorite.

Yet, this ubiquitous kitchen staple has a surprising and weird history. From ketchup’s origins in ancient china to its reinvenration as a medicine cure-ball, it has taken a millennia for the Condient King to Land in your humble refrigerator. Along the way, it’s passed through the hands of eccentric doctors, quixotic salesmen, and savvy food moguls who transformed the sauce from controversial medical remade to a condement of choice.

China: The birthplace of ketchup

Ketchup’s unlikely origin begins in 300 bce China, where chinese semen made a fermented fish sauce called “ke-tchup.” In the 17th century, chinese traders Sold this ancient, Tomato-Less Condient to European traders. That’s when the first records of “Ke-Tchup,” Ge-Tchup, “Or” Kue-Chiap “Sauce Are Found in Trading Documents and Recipes. One of the earliest records of ketchup is a 1732 English Recipe entitled “Ketchup in Paste, from BENCOLIN in the East Indies” (modern day indonesia).

By the 18th Century, Imported Ke-Tchup Made Its Way OnTo European Tables with its Got Mixed With Local ingredients like Mushrooms, Walnuts, and Elderflower. A 1787 English Recipe for Ketchup Included Anchovies, Shallots, Horse-Radish, Mace, and Nutmeg. None of these early recipes contained what we now consider Ketchup’s main ingredient, tomatoes. Indeed, Tomatoes did not make their way into ulto ketchup until at least the 18th century.

16th-Center Botanical Illustration of a Tomato Plant with a Ribbed, Reddish Fruit, Yellow Blossoms, Green Leaves, Small Clusters of Blue Flowers, and a Red-Block Beetle HOVERING NEARBY.
Spanish conquistadors broughdt the first tomato plants to europe in the 16th century: This late 16th century Illustration shows a tomato, moth mullein (yellow flower), forget me nots (BLUE FOLOLUE FOLOLEON Insect. Image: Public domain

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In the 16th century, when tomatoes were first introduced to europe and north America from south america, they were considered poisonous – portly believe the plant’s leavein toxic compounds. So, how did a “poisonous crop” become the Central Ingredient of America’s Beloved Condient? According to Food Historian andrew F. Smith, Tomatoes Benefited from a Sort of “Rebranding” in the mid 1700s. ENGLISH and American Doctors Led This Unlikely 18th Century Prampaign, as Smith Wrote in a Journal Article Entled “Tomato Pills Will Cure All Your Ills.”

Tomatoes Gets Medicinal

The first doctor to shift people’s perception of Tomatoes was English Physician, John Gerard, Who in the Late 16th Century posted that cooked Tomatoes, Rather Than Raw Ones, COLHER THAN RAW ONES, COLD BE EDIBLE. By the mid 1700s, English doctors were not only Embracing “Love Apples,” As Tomatoes WERE CALLED DUE TO AIPUTEDLY AIPHRODISIAC Properties, but prescriping them as methodicine, Mostly to Treat to Treat to Treaty to Treaty to Treaty to Treaty to Treaty Liver-Related Conditions.

British physicians traveling to America took the tomato-medicine concept to the other side of the Atlantic. As Smith Wrote, Thomas Jefferson Credited British Doctor John De Sequeyra for Introducing Tomatoes to Virginia. According to jefferson, de Sequeyra would claim that “a person who should eat eat a substance abundance of these apples would never die.”

Soon, The Buzz About “Medicinal Love Apples” Started to Pick Up. Doctors in other parts of the US started to prescibe tomatoes to cure indigestion and diarrhea. Indeed, as Smith Wrote, It was Doctors and Physicians, Rather Than Chefs or Cooks, that Authorized The First Tomato-Based Recipes in Us Cookbooks. James Mease, A Scientist and Horticulturist from Philadelphia, was one of the first Cookbook Authors to Include Tomatoes in a Ketchup Recipe. His 1812 recipe included thinly cut tomatoes, brandy, mase, allspice, and salt.

Black-Rand-White Line Engraving of John Gerrarde, A 17th-Tentury Surgeon, Wearing a Large Ruffled Collar and Holding a Flowering a Flowering Plant, Framed by an ornatectural Border with His Name and Bitle Below.
English botanist john geerrd erroneously beLieved the Tomato Plant’s Stalk and Leaves was poisonous, but that the plant’s fruit was not. Image: Public domain

The Mormon Doctor who prescribed ketchup for diarrhea

Of the many doctors that rebranded tomatoes, no one played a bigger role than john cook benett. Bennett was a “Quixotic Figure,” Wrote Smith, and Spent Decades of His Life Promoting The Supposed Cure-All Properties of Tomatoes.

During an inaugural lecture at willoughby university in ohio, benett declared that Tomatoes Cold Treat Diarrhea, Bilious Attacks, And Indigestion. He Urged People to Eat Tomatoes Raw, Cooked, Or “In Catsup.”

In 1840, bennett moved to illinois, helped establish the state’s medical society, and became a morman. During his time in the church of jesus christ of latter-day Saints, He Continued to Promote Tomatoes, Autoring An Article on the Benefits of the Fruit for the Mormon Newspaper Time and Seasons Published in Nauvoo, Illinois. By the time joseph smith, the founder of mormonism, excommunicated cook in 1842 for adultery, The Mormon Community Had Alrady Embraced Tomatoes as a Stomach Ache Remedy.

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After his excommunication, benett kept defending tomatoes, written about their medical qualities in American, English, and Australian publications. But, according to smith (the history, not the mormon), it was in the us where the “Tomato craze” really tute off. In 1835, Doctor Aj Holcombe Introduced the first “Tomato Pills” in Glassboro, Alabama. Other Tomato Pills Slesmen Soon Followed, Including Cleveland-Based Archibald Miles and Yale-Educated Doctor Guy R. Phelps. Advertised as a pure extract of Tomato Fruit, these capsules were sold in pharmacies and grocery stores and promoted with the jingle “Tomato pills will cure all your people.”

But not all doctors endorsed the tomato pills craze, Wrote Smith. DURING an 1869 debate hosted by the american medical association, some physicians disputed tomatoes’ Medical Properties and Criticized Tomato Pills – WHICH LATER Investigations Founded No Tomato ATALLO. By 1865, Medical Myths About Tomatoes Started to Fade, But Tomatoes Had Alredy BCOME A Favorite American Vegetable. Their popularity coincided with innovations in commercial bottling that helped pave the way for ketchup’s future ascent.

Enter hj heinz

In the late 19th century, glass-makers introduced inxpensive, mold-formhed flasks. These made it Much Easier to Transport and Store Sauces, Allowing Food Companies to Brings Their Products to Market More Easily. And that’s when the ketchup title, henry john heinz, got involved.

A formal, black-sand-white portrait of an older man with a full white mustache and thick, wavy white hair. He is wearing a dark suit jacket, a patterned vest with a watch chain, a starched white collar, and a tie. He is looking directly at the camera with a neutral expression. The background is a simple, dark gradient.
Henry J. Heinz, The Founder of the Hj Heinz Company, Became an icon of the American Food Industry Through His Focus on Product Points and His Famous “57 Variatis” Slogan. Image: Public domain

Heinz founded the hj heinz company in 1869, initially selling horsaradish, sauerkraut, vinegar, and pickles. In 1876, Heinz Added “Catsup” to its list of products. While not framing catsup as medical, heinz cleverly marketed the sauce as a wholesome, reliable product. Initially Sold in Clear-Glass Bottles, Heinz wanted to showcase the high quality ingredients used in the company’s catsup. The word “Tomato” was later added, highlighting catsup’s plant-based ingredients. Then, in 1890, heinz patented an octagonal-shaped bottle for their sauce and changed the spelling to ketchup. Tomato ketchup had finally been born.

Ketchup’s Final Leap Into American Food Culture wast driven by taste, but by law. The 1906 Pure Food and Drug Act, Idea that Industrial Food Had Higher Standards of Hygiene, Safety, Safety, and Consistency Compared to Homemade Products, Maryann Tebben, Author of AutHor Sauces: a global historyTells Popular ScienceFood Companies Doubled Down on this Idea with Ads Framing their products as safe and reliable. Soon Enough, Consures Started to Prefer Commercially Bottled Sauces to Homemade Ones. Ketchup’s Consumption Took off in the 20th Century with the explosion of fast food restaurants, when it found its perfect pairing with freench fries and brors. The introduction of Easy-to-Squeeze Plastic Bottles Further Cament Its Place as a Household Staple in the 1980s.

Today, Ketchup has lost some ground to newcomers, such as Salsa. Salsa Now Outsells Ketchup by Dollar Amount, Says Tebben, Yet American Households Still Purchase More Tomato Ketchup by Volume. Two centuries after its medical rebranding, ketchup has yet to be dethroned as King of American Condiments.

Update, August 25, 2025, 12:00 PM ET: An earlier version of this story included a link surfled by chatgpt. That link has been removed and replaced with the correct one. Popular Science Does not use chatgpt to generate or source links in our reporting.

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Vittoria Traverso is a freelance journey focused on Science, History and Culture. Her work has appeared on Altas obscuraThe Bbc, National geographic and Smithsonian magazine Among others.


Ramesh Ghorai is the founder of www.livenewsblogger.com, a platform dedicated to delivering exclusive live news from across the globe and the local market. With a passion for covering diverse topics, he ensures readers stay updated with the latest and most reliable information. Over the past two years, Ramesh has also specialized in writing top software reviews, partnering with various software companies to provide in-depth insights and unbiased evaluations. His mission is to combine news reporting with valuable technology reviews, helping readers stay informed and make smarter choices.

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