Caffeinated Beverages Overview
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Questions and Answers

What process is used to remove the pulp from coffee seeds?

  • Fermentation (correct)
  • Washing
  • Blending
  • Roasting

Coffee was first recorded as a beverage in Europe in the 15th century.

False (B)

Which company began as a coffee house in 1690?

Lloyd's of London

Tea thrives in ______ to subtropical climates.

<p>tropical</p> Signup and view all the answers

Which country primarily produces black tea?

<p>Sri Lanka (D)</p> Signup and view all the answers

Match the following countries with their primary functions in coffee production:

<p>Yemen = Originally supplied coffee to Europe Netherlands = Introduced coffee to Java France = Introduced coffee to the Caribbean Brazil = Grew coffee widely by 1780</p> Signup and view all the answers

Tea's flavor is primarily derived from sugars found in the leaves.

<p>False (B)</p> Signup and view all the answers

List two countries that are among the largest producers of tea.

<p>China, India</p> Signup and view all the answers

What process is primarily responsible for the dark color of black tea?

<p>Oxidation (B)</p> Signup and view all the answers

What process is used to reduce the bitterness of cocoa?

<p>Dutching (D)</p> Signup and view all the answers

Green tea has a strong flavor and is often consumed due to its intense aroma.

<p>False (B)</p> Signup and view all the answers

White chocolate contains cocoa solids.

<p>False (B)</p> Signup and view all the answers

In which two countries is green tea primarily produced?

<p>China and Japan</p> Signup and view all the answers

In what year did Dutch inventor van Houten patent methods to process cocoa?

<p>1828</p> Signup and view all the answers

Chocolates that typically contain about 50% cocoa, along with milk and vanilla, are known as __________ chocolate.

<p>milk</p> Signup and view all the answers

Which of the following regions is NOT a primary producer of cocoa?

<p>Canada (C)</p> Signup and view all the answers

Match the following chocolates with their cocoa content:

<p>Dark chocolate = Over 70% cocoa Milk chocolate = About 50% cocoa White chocolate = Contains no cocoa solids Inexpensive chocolate = 5-10% cocoa</p> Signup and view all the answers

Match the following varieties of cocoa with their corresponding percentages of global production:

<p>Criollo = 20% Forastero = 70% Trinitario = 10%</p> Signup and view all the answers

Each cocoa pod contains about ________ seeds.

<p>40</p> Signup and view all the answers

What is the primary purpose of emulsifiers in chocolate production?

<p>To prevent separation of fats (B)</p> Signup and view all the answers

Which of the following beverages is NOT classified as caffeinated?

<p>Orange juice (C)</p> Signup and view all the answers

Cocoa has always been popular since its introduction to Europe.

<p>False (B)</p> Signup and view all the answers

Theobromine is a stimulant found in cocoa that is chemically identical to caffeine.

<p>False (B)</p> Signup and view all the answers

Robusta coffee is known for having a superior flavor compared to arabica coffee.

<p>False (B)</p> Signup and view all the answers

Which cultures held significant importance for cocoa, particularly in rituals and ceremonies?

<p>Mayan and Aztec</p> Signup and view all the answers

What is the native region of Coffea arabica?

<p>Highlands of Ethiopia</p> Signup and view all the answers

The two coffee species commonly grown are arabica and ______.

<p>robusta</p> Signup and view all the answers

Match the coffee species with their characteristics:

<p>Arabica = Superior flavor, grown in high altitudes Robusta = More bitter, used in instant coffee Coffea canephora = Another name for robusta Coffea arabica = Another name for arabica</p> Signup and view all the answers

Which of the following factors influences the final flavor of coffee?

<p>All of the above (D)</p> Signup and view all the answers

Guarana is commonly used as an ingredient in soft drinks.

<p>False (B)</p> Signup and view all the answers

Name one of the largest coffee producers in the world.

<p>Brazil</p> Signup and view all the answers

Flashcards

Caffeine

A stimulant alkaloid found in several common beverages, like coffee, tea, and cocoa.

Theobromine

A stimulant alkaloid similar to caffeine found in cocoa.

Steeping

A process where hot water extracts flavor and compounds from plant material, like in tea or coffee.

Arabica Coffee

A type of coffee known for its superior flavor and is commonly used in high-quality fresh brewed coffees.

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Robusta Coffee

A type of coffee that is more bitter and less flavorful, often used in instant coffees or cheaper blends.

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Brazil

The largest coffee producer globally.

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Roasting

A process that involves heating coffee beans to develop their flavor and aroma.

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Blending

A method of combining different coffee beans to create a unique flavor profile.

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Cocoa Bean Processing

The process of removing the pulp, fermenting, and drying the cocoa beans.

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Cocoa Liquor Production

The process of roasting, grinding, and treating cocoa beans to create a brown oily mass.

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Dutching

A process of treating cocoa powder with alkali, making it less bitter and darker.

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Chocolate Recipe

A mixture of cocoa, cocoa butter, sugar, emulsifiers, and sometimes milk or vanilla, used to make chocolate.

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Dark Chocolate

Chocolate with over 70% cocoa content.

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Caffeine in Cola Nuts

A stimulant found in cola nuts, producing a flavorful, slightly bitter taste.

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Traditional Uses of Cola Nuts

The use of cola nuts as a stimulant and mild medicinal agent in West Africa.

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Cola Syrup Production

Extracting caffeine and flavor from cola nuts to create a syrup used in some cola drinks.

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Coffee Bean Processing - Stage 1: Cleaning

The initial processing stage where coffee beans are cleaned, removing debris and imperfections. This involves floating and sorting fresh berries.

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Coffee Bean Processing - Stage 2: Pulp Removal

The stage where the coffee pulp is removed from the beans, typically through mechanical means.

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Coffee Bean Processing - Stage 3: Fermentation

The process of fermenting the coffee seeds to remove remaining pulp and initiate enzymatic changes that contribute to flavor.

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Coffee Bean Processing - Stage 4: Washing & Drying

Washing and drying the coffee seeds thoroughly after fermentation to prepare them for roasting.

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Coffee Bean Processing - Stage 5: Roasting

The key step in developing the characteristic flavor and aroma of coffee beans. Heat is applied to the beans, causing chemical reactions that create the unique taste.

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Coffee Bean Processing - Stage 6: Blending

The final step in processing coffee beans, where they are blended to achieve a desired flavor profile.

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Tea Plant (Camellia sinensis)

A medium-sized shrub that thrives in tropical to subtropical climates. Cultivated for its leaves, which are used to make tea.

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Black Tea Production

The process of producing black tea, where freshly picked tea leaves are dried slowly to initiate enzymatic processes that impart distinct flavor.

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Oxidation in black tea

A process in tea production where shredded leaves are exposed to cool, damp conditions, causing oxidation that results in a coppery-brown color.

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Green tea processing

The process in tea production where shredded leaves are quickly dried, minimizing oxidation, resulting in a light flavor and grassy aroma.

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Black tea

A type of tea known for its dark color, achieved by oxidizing shredded leaves under cool, damp conditions.

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Green tea

Type of tea known for its light taste and grassy aroma, produced by quickly drying shredded leaves to minimize oxidation.

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Theobromine in cocoa

Theobromine is the active stimulant found in cocoa, similar to caffeine, but with a different chemical structure.

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Cocoa beans

Cocoa beans are the seeds of the cocoa fruit, typically contained within a yellow-white pulp and pods that grow on the branches.

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Cocoa plant environment

The cocoa plant requires a specific environment for growth, thriving in the understory of tropical rainforests with high humidity, stable temperatures, and rich soil.

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Study Notes

Caffeinated Beverages

  • Several beverages contain caffeine or theobromine, stimulants affecting metabolism, heart rate, and stomach acidity.
  • Important caffeinated drinks include coffee, tea, cocoa, cola, maté, and guarana.
  • Yerba maté, a South American evergreen, is used as a tea-like beverage, using dried leaves steeped in hot water.
  • Guarana is a South American ingredient in some energy drinks, less common elsewhere.

Coffee

  • Two species, Coffea arabica and C. canephora, are evergreen shrubs from tropical mountainous regions of Africa.
  • Optimal growing conditions include humid environments with steady 20°C temperatures.
  • Coffee berries are hand-harvested red berries containing two seeds. Yield averages 2.5 kg per plant annually.
  • Two major commercially grown species are:
    • Arabica: known for flavour, used in higher-quality coffee, native to Ethiopia highlands; widely grown in South and Central America, Southeast Asia, and East Africa.
    • Robusta: bitter and less flavorful; native to central Africa; used primarily in instant coffees; primarily grown in Central Africa, Brazil, and Southeast Asia.
  • Major coffee producers are Brazil, Vietnam, Colombia, and Indonesia. Others include Central America and Africa.
  • Coffee's final flavour depends on species, growing conditions (e.g., soil nutrients and climate), and processing methods.
  • Processing steps include removing defects, removing pulp mechanically, fermentation, washing, drying, and roasting the seeds (beans), and blending them for a specific flavor.
  • Coffee's origins are in the Arabian Peninsula. European introduction began in 1615, rapidly spreading across Europe.
  • Dutch introduced coffee to Java and Surinam, French introduced it to Caribbean islands (Martinique).

Tea

  • Tea (Camellia sinensis) is a shrub (1–2m in height) pruned for easier harvesting grown in subtropical and mountainous regions with ample rainfall and steady temperatures around 20°C, and well-drained slightly acidic soil.
  • Major producers include China, India, Kenya, and Sri Lanka.
  • Tea flavour comes from caffeine, essential oils, and tannins.
  • Processing methods produce:
    • Black tea: involves hand-picking young leaves, drying, shredding, oxidizing tannins and phenols until a coppery-brown finish. Popular in India, Sri Lanka, and Europe/North America
    • Green tea: involves partially shredding leaves, quick drying minimizes oxidation, producing a light flavour and grassy aroma. Popular in China, and Japan.

Cocoa/Chocolate

  • Cocoa (Theobroma cacao), a tropical tree, originates from the understory of South American rainforests.
  • Thrives in high humidity, stable temperatures and rich soil.
  • Three major cocoa types are criollo (20%), forastero (70%), and trinitario (10%). Today, predominantly grown in West Africa (Côte d’Ivoire and Ghana) and proportionally less in Indonesia and South America.
  • Cocoa beans are individual seeds encased in a pulp-like fruit.
  • Processing involves harvesting, fermentation, drying, roasting, grinding into cocoa liquor, cocoa butter removal, and alkalizing (dutching).
  • Types of chocolate include dark chocolate (high cocoa content), milk chocolate, and white chocolate (no cocoa).
  • Cacao was significant in Mayan and Aztec cultures; it spread to Europe by the Spanish in 1550, becoming increasingly popular through 1800s.

Cola

  • Cola (Cola nitida), a shrub in tropical Africa, is closely related to cocoa.
  • Seeds contain caffeine and aromatic oils.
  • Cola seeds are commonly chewed as a stimulant and used as a medicinal agent in West Africa.
  • Seeds, through extraction with hot water, produce cola syrup, widely used in cola drinks (popular in Nigeria, Ghana, and Côte d'Ivoire).

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Description

Explore the fascinating world of caffeinated beverages, including coffee, tea, and yerba maté. Learn about the plants, growing conditions, and types of caffeinated drinks that impact metabolism and well-being. This quiz delves into the specifics of coffee species and their geographical growth.

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