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Would You Drink a Lumpy Beer? People Living in China 5000 Years Ago Did!

Would You Drink a Lumpy Beer? People Living in China 5000 Years Ago Did!


Researchers have discovered a 5,000-year-old beer recipe by studying the residue on the inner walls of pottery vessels found in an excavated site in northeast China. It’s the earliest evidence of beer production in China so far.

On a recent afternoon, a small group of students gathered around a large table in one of the rooms at the Stanford Archaeology Center.

Li Liu, a professor in Chinese archaeology at Stanford University and coauthor of the study on the beer recipe published in the Proceedings of the National Academy of Sciences, recently stood before students and a collection of plastic-covered glass beakers and water bottles filled with yellow, foamy liquid.

“Archaeology is not just about reading books and analyzing artifacts,” says Liu. “Trying to imitate ancient behavior and make things with the ancient method helps students really put themselves into the past and understand why people did what they did.”

So That’s Why Barley Went to China

The ancient Chinese made beer mainly with cereal grains, including millet and barley, as well as with Job’s tears, a type of grass from Asia, according to the research. Traces of yam and lily root parts also appeared in the concoction.

Liu says she was particularly surprised to find barley—which is used to make beer today—in the recipe because the earliest evidence to date of barley seeds in China dates to 4,000 years ago. This suggests why barley, which was first domesticated in western Asia, spread to China.

A blend of milled malted barley for beer brewing

A blend of milled malted barley for beer brewing. (CC BY SA 3.0)

“Our results suggest the purpose of barley’s introduction in China could have been related to making alcohol rather than as a staple food,” Liu says.

The ancient Chinese beer looked more like porridge and likely tasted sweeter and fruitier than the clear, bitter beers of today. The ingredients used for fermentation were not filtered out, and straws were commonly used for drinking, Liu says.

Mashing or Spitting

At the end of Liu’s class, each student tried to imitate the ancient Chinese beer using either wheat, millet, or barley seeds.

“People looked at me weird when they saw the ‘spit beer’ I was making for class.”

Some of the students’ creations.

Some of the students’ creations. (Youtube Screenshot)

The students first covered their grain with water and let it sprout, in a process called malting. After the grain sprouted, the students crushed the seeds and put them in water again. The container with the mixture was then placed in the oven and heated to 65º degrees Celsius (149º F) for an hour, in a process called mashing. Afterward, the students sealed the container with plastic and let it stand at room temperature for about a week to ferment.

Alongside that experiment, the students tried to replicate making beer with a vegetable root called manioc. That type of beer-making, which is indigenous to many cultures in South America where the brew is referred to as “chicha,” involves chewing and spitting manioc, then boiling and fermenting the mixture.

Madeleine Ota, an undergraduate student in Liu’s course, says she knew nothing about the process of making beer before taking the class and was skeptical that her experiments would work. The mastication part of the experiment was especially foreign to her, she says.

“It was a strange process,” Ota says. “People looked at me weird when they saw the ‘spit beer’ I was making for class. I remember thinking, ‘How could this possibly turn into something alcoholic?’ But it was really rewarding to see that both experiments actually yielded results.”

Ota used red wheat for brewing her ancient Chinese beer. Despite the mold, the mixture had a pleasant fruity smell and a citrus taste, similar to a cider, Ota says. Her manioc beer, however, smelled like funky cheese, and Ota had no desire to check how it tasted.

The results of the students’ experiments are going to be used in further research on ancient alcohol-making that Liu and Wang are working on.

“The beer that students made and analyzed will be incorporated into our final research findings,” Wang says. “In that way, the class gives students an opportunity to not only experience what the daily work of some archaeologists looks like but also contribute to our ongoing research.”

The “beer-making toolkit” from the site Liu and Wang are studying: (A) Pit H82 illustration in top and cross-section views, (B) funnel 1, (C) pot 6 in reconstructed form, (D) pot 3 in reconstructed form, and (E) pottery stove.

The “beer-making toolkit” from the site Liu and Wang are studying: ( A) Pit H82 illustration in top and cross-section views, ( B) funnel 1, ( C) pot 6 in reconstructed form, ( D) pot 3 in reconstructed form, and ( E) pottery stove. (Wang et al.)

What Caused a Revolution?

For decades, archeologists have yearned to understand the origin of agriculture and what actions may have sparked humans to transition from hunting and gathering to settling and farming, a period historians call the Neolithic Revolution.

Studying the evolution of alcohol and food production provides a window into understanding ancient human behavior, says Liu.

Late Neolithic Period (ca. 2500 - 2000 BC) large gray mug of the Henan Longshan Culture.

Late Neolithic Period (ca. 2500 - 2000 BC) large gray mug of the Henan Longshan Culture. (CC BY SA 2.5)

But it can be difficult to figure out precisely how the ancient people made alcohol and food from just examining artifacts because organic molecules easily break down with time. That’s why experiential archaeology is so important, Liu says.

“We are still trying to understand what kind of things were used back then,” Liu says.

Top Image: A more modern beer – without the lumps. Source: Public Domain

The article, originally titled ‘Ancient Chinese recipe makes lumpy, tasty beer’ by Stanford University was originally published on Futurity and has been republished under a Creative Commons license.

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