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Pulque

Pulque 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 Pulque rather than just read about it. In short: Pulque (Spanish: ['pulke] ; Classical Nahuatl: metoctli), occasionally known as octli or agave wine, is an alcoholic beverage made from the fermented sap of the agave (maguey) plant. It is traditional in central Mexico, where it has been produced for millennia.

Pulque — main illustration
Pulque — illustration

Key takeaways

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

Reference excerpt

Pulque (Spanish: ['pulke] ; Classical Nahuatl: metoctli), occasionally known as octli or agave wine, is an alcoholic beverage made from the fermented sap of the agave (maguey) plant. It is traditional in central Mexico, where it has been produced for millennia. It has the color of milk, a rather viscous consistency and a sour yeast-like taste. The drink's history extends far back into the pre-Columbian period, when it was considered sacred, and its use was limited to certain classes of people. After the Spanish conquest of the Aztec Empire, the drink became secular and its consumption rose. The consumption of pulque reached its peak in the late 19th century. In the 20th century, the drink fell into decline, mostly because of competition from beer, which became more prevalent with the arrival of European immigrants, but pulque remains popular in many parts of Central Mexico, however, and there have been some efforts to revive the drink's popularity elsewhere through tourism. Similar drinks exist elsewhere in Latin America, such as guarango in Ecuador (see miske).

Description Pulque is a milk-colored, somewhat viscous liquid that produces a light foam. It is made by fermenting the sap of certain types of maguey (agave) plants. In contrast, mezcal is made from the cooked heart of certain agave plants, and tequila is made all or mostly from the blue agave. About six varieties of maguey are best used for the production of pulque. The name pulque is derived from Nahuatl. The original name of the drink was iztāc octli [ˈistaːk ˈokt͡ɬi] (white pulque), the term pulque was probably mistakenly derived by the Spanish from the octli poliuhqui [ˈokt͡ɬi poˈliwki], which meant "spoiled pulque". It is one of two types of fermented agave drink known from Mexico at the time of European contact: pulque is made with sap taken from the stem, while the other was made with pit roasted stems and leaf bases.

Maguey

The maguey plant, also called a "century plant" in English, is native to Mexico. It grows best in the cold, dry climates of the rocky central highlands to the north and east of Mexico City, especially in the states of Hidalgo and Tlaxcala. Maguey has been cultivated at least since 200 CE in Tula, Tulancingo and Teotihuacan, and wild plants have been used for far longer. The plant historically has had a number of uses. Fibers can be extracted from the thick leaves to make rope or fabric, its thorns can be used as needles or punches and the membrane covering the leaves can be used as paper or for cooking. The name maguey was given by the Spanish, who picked it up from the Taíno. This is still its common name in Spanish, with Agave being its scientific generic or technical name. The Nahuatl name of the plant is metl. The manufacturing process of pulque is complex and requires the death of the maguey plant. As the plant nears maturity, the center begins to swell and elongate as the plant gathers stored sugar to send up a single flower stalk, which may reach up to 20 feet in height. However, plants destined for pulque production have this flower stalk cut off, leaving a depressed surface 12-18 inches in diameter. In this center, the maguey sap, known as aguamiel (honeywater), collects. It takes a maguey plant 12 years to mature enough to produce the sap for pulque.

History

Mythological origins

Pulque has been drunk for at least 2000 years, and its origins are the subject of various stories and myths. Most involve Mayahuel, the goddess of the maguey. It was thought that the aguamiel collecting in the center of the plant was her blood. Other deities, such as the Centzon Totochtin (400 rabbits) are associated with it, by representing the drink's effects, and are the children of Mayahuel. Another version involving Mayahuel has her as a mortal woman who discovered how to collect aguamiel but someone named Pantecatl [panˈtekat͡ɬ] discovered how to make pulque. According to another story, pulque was discovered by the Tlacuache [t͡ɬaˈkʷat͡ʃe] (opossum), who used his human-like hands to dig into the maguey and extract the naturally fermenting juice. He became the first drunk. Tlacuache was thought to set the course of rivers. The rivers he set were generally straight except when he was drunk. Then they follow Tlacuache's meandering path from cantina to cantina. Another account traces the discovery of aguamiel to the Toltec Empire, when a noble named Papantzin was trying to get the emperor to marry his daughter Xochitl. He sent her to the capital with an offering of aguamiel, honey of the agave plant. The emperor and princess wed, and their son was named Meconetzin [mekoˈnet͡sin] (maguey son). In other versions of the story, Xochitl is credited with discovering pulque.

Pre-Hispanic period

The maguey was one of the most sacred and important plants in ancient Mexico. It had a privileged place in mythology, religious rituals and the Mesoamerican economy. Pulque appears in a number of graphic representations from pre-colonial times, beginning with stone carvings from about 200 CE. The first major work involving pulque is a large mural called the "Pulque Drinkers", unearthed in 1968 at the pyramid of Cholula, Puebla. The most likely means of the discovery of aguamiel and fermented pulque was from the observation of rodents who gnaw and scratch at the plant to drink the seeping sap. Fermentation of the aguamiel can take place within the plant itself. For the indigenous peoples of the central highlands of Mexico, the imbibing of pulque was done only by certain people, under certain conditions. It was a ritual drink, consumed during certain festivals, such as that of the goddess Mayahuel, and the god Mixcoatl. It was drunk by priests and sacrificial victims, to increase the priests' enthusiasm and to ease the suffering of the victim. There are many references in Aztec codices, such as the Borbonicus Codex, of pulque's use by nobility and priesthood to celebrate victories. Among commoners, it was permitted only to the elderly and pregnant women. Production of pulque was ritualized and the brewers were superstitious. They would abstain from sex during the fermentation period because they believed that sexual intercourse would sour the process.

… excerpt ends here. Continue reading the full article.

Illustrations

Pulque illustration
Pulque: Close up of a maguey plant
Close up of a maguey plant
Pulque: Depiction of the goddess Mayahuel
Depiction of the goddess Mayahuel
Pulque: Codex Mendoza, an early 16th-century manuscript, showing Aztec elders and pulque in a vessel (lower center)
Codex Mendoza, an early 16th-century manuscript, showing Aztec elders and pulque in a vessel (lower center)
Pulque: The discovery of pulque by nineteenth-century Mexican painter José Obregón.
The discovery of pulque by nineteenth-century Mexican painter José Obregón.

Worked examples

Example 1 — a first encounter with Pulque

Start with the simplest possible case. Write down what Pulque 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 Pulque 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 Pulque 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 Pulque

In research
Pulque 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 Pulque 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
Pulque is common in secondary-school and first-year university syllabi. It links to neighbouring topics Agave-based drinks, Aztec mythology and religion, Fermented drinks, so understanding it makes those chapters shorter.
In everyday life
Look for Pulque 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 Pulque in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Pulque 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 Pulque out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pulque in simple terms?

Pulque (Spanish: ['pulke] ; Classical Nahuatl: metoctli), occasionally known as octli or agave wine, is an alcoholic beverage made from the fermented sap of the agave (maguey) plant. It is traditional in central Mexico, where it has been produced for millennia.

Why does Pulque 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 Pulque?

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 Pulque.

Tags

  • Agave-based drinks
  • Aztec mythology and religion
  • Fermented drinks
  • Historical drinks
  • Indigenous cuisine of the Americas
  • Mesoamerican cuisine
  • Mexican alcoholic beverages

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