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BSCI 135 Exam 2. 142 Questions and Correct Answers, 100% Correct| 2024/2025.
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BSCI 135 Exam 2. 142 Questions andCorrect Answers, 100% Correct|
2024/2025.
Importance of Stimulating Plants
The trade in stimulating beverages, spices -
changed history of many nations
Fortunes made, as important as today's
computer industry, defense, oil, or illegal drug
trade
Rationale for taking Stimulated Beverages
Flavor, Feeling of alertness
Stimulated Beverages
All rich in caffeine
ex. coffee, tea, cocoa,
Caffeine
-chemically related to purine bases in DNA (like guanine)
-Caffeine is an alkaloid, group of secondary compounds found in plants, made to discourage grazing.
-Desirable effects: Promotes alertness, mental cognition,
reaction speed and endurance.
-Improves physical performance, relieves pain, migraines
-Reduce asthma, elevate mood
-Stimulation of central nervous system, faster heartbeat,
constriction of blood vessels, increased respiration rate,
suppression of appetite, diuresis
Caffeines Role in Parkinson's Disease
Studies show it may prevent PD
Negative Effects of Caffeine
headaches on withdrawal, infertility, birth defects, insomnia, nervousness, irritability
Caffeine content of common products
Coffee (drip) 115 mg
Tea 40 mg
Cocoa 13 mg
,Coca-cola (reg. or diet) 46 mg
Mountain Dew 54 mg
Vivarin 200 mg
Midol 600 mg
Coffee
-made from the seeds of Coffea arabica
-Native of eastern Africa; Ethiopia
-The fruits and leaves were eaten for stimulation
History of Coffee
-Grown in Yemen; domesticated there, roasting of beans invented in the 13th century
-Coffee brewing spread to Arabian world in 16th century, then to Europe in the 17th century
-Coffee houses were popular in Europe by the 1700s-centers for intellectual discourse
Centers of Coffee Trade (Past)
-Mocha, Arabia, in the 17th century
-Dutch East Indies and Ceylon in the 18th century
-French Islands in the 18th century
-Brazil in the 1800s, where it had a profound
impact
Centers of Coffee Trade (Present)
Now, most coffee produced in Brazil and
Colombia (leading producers of coffee); Indonesia
and Vietnam also
Coffee Plant
-The plant is a small tree, grows in cool subtropical mountain habitats
-The small fruit is called a cherry
-It contains two seeds called beans
-Harvested by hand when the beans are ripe
Shade-Grown Coffee
Benefits songbirds by providing food and shelter -environmentally friendlier than sun-grown coffee
How to Process Coffee
1. The hull is first removed
2. The seeds are fermented for 12-24 hours (but they're non-alcoholic)
3. Seeds are dried for 1 week
4. Coffee beans are then roasted which produces the flavor, and the dark brown color
Decaffeinated Coffee
, -Coffee may be decaffeinated before roasting
-Invented by a German chemist, who was convinced his father had died of caffeine addition
-Basically, a solvent is used to soak green coffee beans - the solvent (ethyl acetate) removes the caffeine
What do we do with caffeine?
-Caffeine is sold for use in medicines and soft drinks
-ex. Pepsi, Coca cola, Mountain Dew, Jolt Cola, Red Bull
Anacin, Excedrin, NoDoz, Vivarin, Midol
Espresso
originated in Italy, a single cup of coffee is brewed at a time as hot water under pressure is forced
through finely ground, dark roasted beans
Latte
is like espresso, but with steamed milk
Cafe Mocha
is a latte with less steamed milk, but with chocolate syrup added
Cappuccino
also made with espresso, less steamed milk than latte, and large cap of foamed milk
Chocolate Lecture *
...
What is the scientific name of the cacao plant?
Theobroma Cacao
What part of the world is the cacao plant originally from?
South and Central America
What part of the plant is used to make chocolate?
Seeds from the fruit on the cacao trees
How do you harvest the cacao?
the fruit is harvested by hand, cut open, and take the seeds from the surrounding by white pulp
What type of dispersal does the cacao plant use?
Animal dispersal
What are the main steps in making chocolate?
Fermented seeds for 4-7 days, Dried, Polished, cracked and roasted and grounded to paste to make
chocolate liquor
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