Caffeinated Beverages Overview
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Questions and Answers

What are the two commercially grown species of coffee?

  • Liberica and Barako
  • Robusta and Stenophylla
  • Arabica and robusta (correct)
  • None of the above

Which country is primarily known for the production of robusta coffee?

  • Brazil (correct)
  • Ethiopia
  • Colombia
  • Mexico

What process is NOT involved in coffee preparation?

  • Fermenting the seeds
  • Roasting the seeds
  • Washing the seeds
  • Crushing the seeds (correct)

What factor influences the final flavor of coffee?

<p>Soil and climate conditions (D)</p> Signup and view all the answers

In which year was coffee first introduced to Europe?

<p>1615 (A)</p> Signup and view all the answers

Which region is considered the native habitat for arabica coffee?

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

Which of the following beverages does NOT contain caffeine or theobromine?

<p>Ginseng Tea (A)</p> Signup and view all the answers

What is the initial annual harvest average for coffee berries per plant?

<p>2.5 kg (B)</p> Signup and view all the answers

What was the primary location of coffee cultivation before the Dutch introduced it to Java?

<p>Mocha, Yemen (A)</p> Signup and view all the answers

Which climate conditions are optimal for tea cultivation?

<p>Tropical to subtropical with ample rainfall (D)</p> Signup and view all the answers

What processing method is used for black tea after the leaves are dried?

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

Which of the following is NOT a major producer of tea?

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

What significant change occurs during the fermentation of cocoa beans?

<p>Chemical changes impart the characteristic colour and flavour (B)</p> Signup and view all the answers

When did tea become the 'national drink' of England?

<p>1750 (A)</p> Signup and view all the answers

What is the main active stimulant found in cocoa?

<p>Theobromine (A)</p> Signup and view all the answers

What temperature is used for roasting cacao beans during processing?

<p>140°C (C)</p> Signup and view all the answers

What distinguishes green tea from black tea in terms of processing?

<p>Green tea is quickly dried to minimize oxidation (B)</p> Signup and view all the answers

Which country was the first to introduce cocoa to Europe?

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

Which type of chocolate contains no cocoa solids?

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

Which two countries are the largest producers of cocoa today?

<p>Côte d'Ivoire and Ghana (D)</p> Signup and view all the answers

Which of the following tea types is primarily produced in China and Japan?

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

What is the main reason for chocolate's lack of popularity until the mid-1800s?

<p>High cost and quick rancidity (D)</p> Signup and view all the answers

Which type of coffee is known for its superior flavor and higher quality?

<p>Arabica (A)</p> Signup and view all the answers

What is the average annual harvest of coffee berries per plant?

<p>2.5 kg (D)</p> Signup and view all the answers

Which coffee species is primarily used in instant coffee and less expensive blends?

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

Which factors can influence the flavor of coffee?

<p>Soil quality, climate, and roasting methods (A)</p> Signup and view all the answers

Which country is known for being the largest producer of robusta coffee?

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

What processing step involves removing defects from fresh coffee berries?

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

In which year did coffee first make its way to England?

<p>1650 (B)</p> Signup and view all the answers

Which of the following regions is primarily associated with the growth of arabica coffee?

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

What was the original purpose of Lloyd's of London when it began in 1690?

<p>A coffee house (C)</p> Signup and view all the answers

Which countries were primarily involved in introducing coffee to different regions?

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

What temperature is considered optimal for tea cultivation?

<p>20°C (C)</p> Signup and view all the answers

What is the main reason green tea has a lighter flavor compared to black tea?

<p>Different oxidation levels (B)</p> Signup and view all the answers

Which of the following processes is used to produce black tea?

<p>Hand-picking followed by drying and oxidation (A)</p> Signup and view all the answers

Which plant is considered the native source of cocoa?

<p>Theobroma cacao (A)</p> Signup and view all the answers

What is the primary process to reduce bitterness in cocoa during chocolate production?

<p>Alkalizing (A)</p> Signup and view all the answers

What type of tea is primarily produced in China and Japan?

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

Which type of chocolate contains cocoa butter but no cocoa solids?

<p>White chocolate (A)</p> Signup and view all the answers

What significant cultural role did cocoa play in Mayan and Aztec societies?

<p>Base for sacred rituals (D)</p> Signup and view all the answers

Which invention in the 1800s significantly improved chocolate production?

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

Which beverage became popular among the British aristocracy by 1690?

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

What role did the British East India Company play in the tea trade?

<p>Profited immensely from tea trade with China (A)</p> Signup and view all the answers

What is the main climate condition necessary for the successful growth of tea?

<p>Tropical and stable temperatures (C)</p> Signup and view all the answers

Flashcards

Caffeine in beverages

Caffeine is a stimulant alkaloid found in beverages like coffee, tea, and cocoa; theobromine is a similar stimulant in cocoa.

Coffee species

Arabica (Coffea arabica) and Robusta (C.canephora) are the two commercially grown coffee types.

Coffee origin

Arabica coffee originally comes from Ethiopia's highlands; Robusta from West-Central Africa.

Coffee beans processing

Coffee beans go through a series of steps including harvesting, removing pulp, fermenting, washing, drying, roasting, and blending to produce final flavor.

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Coffee growing areas

Brazil, Vietnam, and Colombia are major coffee producers; Central America and Africa also contribute significantly.

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Coffee flavor factors

Coffee flavor is influenced by the coffee type, growing conditions, roasting methods, and blending methods.

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Coffee introduction to Europe

Venetian traders introduced coffee to Europe in 1615, leading to its widespread adoption.

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Coffee house growth

Coffee houses expanded rapidly in London, particularly by the early 1700s.

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Coffee's global spread (by regions)

Coffee spread to the Caribbean region through French (Martinique) and British (Jamaica) influence.

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Coffee's widespread cultivation time

Brazil, Central America, and Southeast Asia were major coffee-growing regions by 1780.

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Tea's geographic origin

Tea originated in northern India and southern China.

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Processing Black Tea

Black tea is processed through drying, shredding, and oxidation of leaves.

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Processing Green Tea

Green tea is processed by drying shredded leaves to prevent oxidation.

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Tea's popularity in England

Tea became England's national drink by 1750, promoted by the British East India Company.

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Cocoa's native region

Cocoa plants are indigenous to the tropical rainforests of South America.

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Cocoa Processing Stages

Cocoa processing involves harvesting, fermentation, drying, roasting, grinding, and removing cocoa butter.

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Chocolate's improvement

Dutch inventor van Houten's innovations (Dutching) improved chocolate processing by removing bitterness.

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Dark chocolate percentage

Dark chocolate contains over 70% cocoa.

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Cocoa's historical significance

Cocoa had important cultural roles in Mayan and Aztec cultures.

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Initial Cocoa Popularity

Cocoa's early popularity was centered in European countries such as France, Italy, Spain, and Portugal.

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What are the key stimulants in caffeinated beverages?

Caffeine is the main stimulant in coffee, tea, and most caffeinated drinks. Cocoa contains theobromine, a similar stimulant.

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How do caffeinated beverages affect the body?

These beverages stimulate metabolism, increase heart rate, boost stomach acidity, and speed up metabolic processes.

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Where do the coffee species originate?

Arabica comes from the Ethiopian highlands, known for its smooth, complex taste. Robusta hails from west-central Africa, known for its strong, bold flavor.

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What are the stages of coffee processing?

Coffee beans undergo a series of steps: harvesting, pulp removal, fermentation, washing, drying, roasting, and blending. Each step influences the final flavor.

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Major coffee-producing regions

Brazil, Vietnam, and Colombia are top coffee producers. Central America (Mexico, Guatemala, Honduras) and Africa (Ethiopia, Uganda) also contribute significantly.

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What factors influence coffee flavor?

The coffee variety, growing conditions (soil, climate), roasting techniques, and blending all play a part in the final flavor profile.

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How did coffee spread to Europe?

Venetian merchants introduced coffee to Europe in 1615, paving the way for its widespread adoption.

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Lloyd's of London's origin

Lloyd's of London, the famous insurance company, started as a coffee house in 1690.

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Early coffee source

All European coffee initially came from Mocha, Yemen.

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Coffee introduction to the Americas

The Dutch brought coffee to Java in 1690 and later to Surinam in South America.

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Coffee's Caribbean spread

The French and English introduced coffee to the Caribbean: Martinique (French) and Jamaica (English).

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Tea's origin

Tea (Camellia sinensis) originates from northern India and southern China.

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Tea's growth conditions

Tea thrives in tropical to subtropical climates with ample rainfall, steady temperatures around 20°C, and well-drained, slightly acidic soils.

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Tea's flavor components

Tea's flavor comes from a combination of caffeine, essential oils, and tannins.

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Black tea processing

Black tea involves drying, shredding, and oxidation of leaves.

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Green tea processing

Green tea processing focuses on drying shredded leaves quickly to minimize oxidation.

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Cocoa bean's location

Cocoa beans are seeds within a large pod-like fruit (a berry) that grows on the cocoa tree's trunk and branches.

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Cocoa bean's processing

Cocoa bean processing involves fermentation, drying, roasting, grinding, and separation of cocoa butter.

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Chocolate types

Chocolate is categorized as dark chocolate (over 70% cocoa), milk chocolate (about 50% cocoa with added milk), and white chocolate (no cocoa, only cocoa butter, sugar, milk, and vanilla).

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Study Notes

Caffeinated Beverages

  • Several plant-derived beverages contain caffeine or theobromine, stimulants that affect metabolism, heart rate, stomach acidity, and metabolic rates.
  • Economically important caffeinated beverages include coffee, tea, and cocoa. Cola, maté, and guarana are also popular, particularly in South America.

Coffee (Coffea arabica and C. canephora)

  • Two main species: Arabica and Robusta.
  • Arabica coffee, known for superior flavor, is native to Ethiopia, grown extensively in South/Central America, Southeast Asia, and East Africa (Ethiopia, Kenya).
  • Robusta coffee, more bitter and less flavorful, is native to west-central Africa, mainly used in instant coffee and blends. Grown in Central Africa, Brazil, and Southeast Asia (especially Vietnam).
  • Major producers include Brazil, Vietnam, Colombia, and Indonesia. Central America (Mexico, Guatemala, Honduras) and Africa (Ethiopia, Uganda) also contribute.
  • Flavor affected by variety, growing conditions, and processing.
  • Processing involves removing defects from berries, removing pulp, fermenting seeds, washing, drying, roasting, and blending.
  • First recorded use in the Arabian Peninsula. Venetian merchants introduced coffee to Europe in 1615.
  • Coffee became popular across Europe, spreading to France (1640), England (1650), and widespread by the 1700s (London).
  • Coffee was initially obtained from Mocha, Yemen, but later from Java (Dutch) and Surinam.
  • Introduced to the Caribbean by the French and British (Martinique, Jamaica).

Tea (Camellia sinensis)

  • Native to northern India and southern China.
  • A medium-sized shrub, pruned for easier harvesting.
  • Thrives in tropical to subtropical climates with ample rainfall, stable temperatures around 20°C, and well-drained, slightly acidic soils.
  • Largely grown in subtropical mountainous regions. Major producers include China, India, Kenya, and Sri Lanka.
  • Flavor comes from caffeine, essential oils, and tannins.
  • Best quality from smallest leaves and buds.
  • Two main types: black and green tea.
  • Black Tea (India, Sri Lanka):
    • Young leaves are dried for one day.
    • Leaves are shredded.
    • Oxidation continues until coppery-brown.
    • Dried for final product.
  • Green Tea (China, Japan):
    • Leaves are partially shredded.
    • Quickly dried to minimize oxidation.
    • Light flavor, grassy aroma.
  • Tea was in use in China for over 3,000 years, Japan for 1,500 years.
  • Portuguese discovered tea in 1557, and it reached Europe in the early 1600s (Dutch East India Company).
  • Tea became England's national drink by 1750.
  • British established tea plantations in India in mid-1800s.

Cocoa or Chocolate (Theobroma cacao)

  • Native to South American rainforests.
  • Thrives in high humidity, stable temperatures, and rich soil.
  • Several varieties: criollo, forastero, trinitario.
  • Primarily grown in tropical West Africa (Côte d'Ivoire, Ghana), with some production in Indonesia and South America (Brazil, Ecuador).
  • Seeds surrounded by sweetish pulp, contained in a pod-like fruit (actually a berry).
  • Stimulant is theobromine.
  • Processing for Cocoa:
    • Harvest fruit; remove beans.
    • Ferment pulp for a few days to yield a sticky brown color.
    • Dry beans on racks.
    • Ship beans for processing in North America/Europe.
    • Roast beans.
    • Grind into cocoa liquor.
    • Remove cocoa butter to produce cocoa press cake.
    • Powder and treat cake with alkali ("Dutching").
    • Combine cocoa with added cocoa butter, emulsifiers, and sugar (to reduce bitterness) for various chocolate products (dark, milk, white).
    • Inexpensive chocolate may have low cocoa content (5-10%).
  • Mayan and Aztec civilizations used cocoa in ceremonies.
  • Introduced to Europe by Spanish in 1550, initially popular in Europe by the 1650s.
  • Popularity increased in the 1800s, revolutionized by the Dutch's method of separating cocoa butter (van Houten).

Cola or Kola Nut (Cola nitida)

  • Large understory shrub native to tropical Africa.
  • Closely related to cocoa.
  • Produces fruit with seeds that contain caffeine.
  • Seeds are chewed in West Africa (Nigeria, especially) for stimulation.
  • Caffeine and flavour extracted to make cola syrups.
  • Major production areas include Nigeria, Ghana, and Côte d'Ivoire.

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Description

Explore the world of caffeinated beverages including coffee, tea, and cocoa. Learn about the different species of coffee plants, their origins, and major producing countries. This quiz delves into the economic significance and flavor profiles of these popular drinks.

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