Shared Flashcard Set

Details

BOT 3802 Exam 3
Chapters 6, 7, and 8
160
Plant Sciences
Undergraduate 3
10/25/2011

Additional Plant Sciences Flashcards

 


 

Cards

Term
Saturated Fatty Acids
Definition
Oils without double bonds; solidifies at room temperature
Term
Unsaturated Fatty Acids
Definition
Oils with double bonds; safer to consume; liquid at room temperature; Monounsaturated Fatty Acids, Polyunsaturated Fatty Acids
Term
Monounsaturated Fatty Acids
Definition
One double bond; least injurious to human health
Term
Polyunsaturated Fatty Acids
Definition
More than one double bond
Term
Essential Fatty Acids
Definition
Fats involved in biological processes; humans cannot synthesize Essential Fatty Acids; Reduce triglyceride levels in blood, reduce blood pressure; supports cardiovascular, nervous, immune, and reproductive system
Term
Omega 6
Definition
Derived from linoleic acid
Term
Omega 3
Definition
Derived from linolenic acid
Term
Hydrogenation:
Definition
Process of converting unsaturated fats to solids with the addition of hydrogen; solidifies saturated fats
Term
Trans Fatty Acids
Definition
Partially hydrogenated fatty acids; not fully solid at room temperature; leads to plaque formation; has longer shelf life
Term
Oil:
Definition
Comes from seeds and/or fruit
Term
Cleaning and drying
Definition
Cleaning and drying of the fruits/seeds
Term
Flanking:
Definition
Breaking the husk
Term
Conditioning
Definition
Cooked using high heat, pressed, separated from residue, sent through solvent extraction
Term
Refining
Definition
Neutralizing process that removes any free fatty acids; uses alkali
Term
Degumming
Definition
Removing any mucilaginous material in the oil by centrifugation
Term
Bleaching
Definition
Removal of pigments from the oil using diatomaceous earth
Term
Deodorizing
Definition
Removing any strong odor under a vacuum
Term
Winterizing
Definition
Removing the clouding ability of the oil by chilling
Term
High Smoking Point
Definition
Can withstand high temperature; used to deep fry
Term
Low Smoking Point
Definition
Low tolerance to heat; cannot use to deep fry
Term
Canola Oil
Definition
From Rape (Brassica napus) or Turnip (Brassica campestris), both from Brassicaceae; Cultivated widely in Canada, so called canola; seeds are used; high levels of monounsaturated fatty acids; high smoking point; could be good for digestion system; used as industrial lubricant
Term
Corn Oil
Definition
From Maize (Zea mays), Poaceae; Germ portion of the grain is used; rich in polyunsaturated fatty acids; high smoking point; used in industry as biodiesel
Term
Cottonseed Oil:
Definition
From cotton plant (Gosypium), Malvaceae; Same family as okra; seeds used; Gossypol; known as vegetable oil in America; Crisco originally made from cottonseed oil
Term
Gossypol
Definition
Gives cottonseed oil a bitter taste; removed in 1900 and became popular in America
Term
Vegetable Oil
Definition
Any oil made from plants
Term
Extra Virgin Olive Oil:
Definition
Cold pressed; does not make much oil
Term
Virgin Olive Oil
Definition
Next grade after extra virgin; add a small amount of heat
Term
Olive Oil
Definition
Blend of Virgin Olive Oil and Pure Olive Oil; rich in monounsaturated fatty acids; low smoking point; used in cosmetics and pharmaceuticals
Term
Pure Olive Oil
Definition
Blend of Extra Virgin Olive Oil and Virgin Olive Oil
Term
Peanut Oil
Definition
Crushed cotyledons are used
Term
Safflower Oil
Definition
Seeds of safflower are used; Carthamus tinctorius, Asteraceae; source of orange dye; high in monounsaturated fatty acids and polyunsaturated fatty acids; used in infant formulas, salad dressing and cooking
Term
Rice Bran Oil:
Definition
Oryza sativa, Poaceae; Bran and germ are used; “Bran beauty” in orient, used in orient time as a cosmetic; high smoking point; rich in monounsaturated fatty acids, polyunsaturated fatty acids, vitamin E, oryzanol (cuts LDL), antioxidants; used as a massage oil
Term
Sesame Oil
Definition
Seeds of sesame plant are used; Sesamum indicum; From India, know as Gingelly oil or Til oil in India; consider it sacred “good oil”; smoke is used as a relaxant, used in body and hair massages, Ayuveda, cosmetics and cooking; high smoking point; oil can be used over and over again; natural preservative; rich in vitamin E, antioxidants
Term
Tahini:
Definition
A paste made from sesame oil; used in Middle Eastern food
Term
Soybean Oil:
Definition
Rich in antioxidants; high smoking point; rich in polyunsaturated fatty acids
Term
Sunflower Oil
Definition
Black seeds are used; Helianthus annuus, Asteraceae; inflorescences; used in North America since ancient times; Gray seeds are used for snacking; crude oil is used in farm machinery in USA; high in monounsaturated fatty acids, monounsaturated fatty acids and vitamin E; used in cosmetics and pain industries; high smoking point
Term
Coconut Oil:
Definition
Not used in cooking; dried and crushed cellular endosperm is used; rich in saturated fatty acids; bad for health; used in cosmetics; sold as low grade virgin oil
Term
Castor Oil
Definition
Endosperm of capsule is used; endosperm is poisonous, oil is not; from same family as Cassava; used in medicine as laxative; cannot be used for cooking
Term
Neem Oil
Definition
Cotyledons of the seeds of a drupe are used; used mostly in medicine, also used as a pesticide and in cosmetics; oil is bitter and cannot be used in cooking; good for the skin
Term
Almond Oil
Definition
Seed is used; rich in monounsaturated fatty acids
Term
Avocado Oil
Definition
Seed in used; compared to olive oil; very expensive
Term
Palm Oil
Definition
Common in South East Asia; rich in saturated fatty acids; not a cooking oil; cheap, but health hazards are unknown
Term
Tung Oil
Definition
Used in paints; cannot be used in cooking
Term
Carnauba Wax
Definition
Young leaves that are covered with wax are used from palm tree; used in car polish and shoe wax; not a true oil
Term
Bayberry Wax
Definition
Wax on top of the fruit of the wax myrtle plant is used; used to make candles; not a true oil
Term
Stolon
Definition
Underground rhizomes that help the grass spread
Term
Culm
Definition
Major branches of stem; usually hollow at the intermodal regions
Term
Spikelets
Definition
Individual inflorescences that further divide a pinnacle
Term
Florets
Definition
Further division of spikelets that are small flowers
Term
Lemma
Definition
Outer bract of the floret
Term
Palea
Definition
Inner bract of the floret
Term
Lodicules
Definition
Reduced perianths of florets
Term
Germ
Definition
The small embryo inside the seed; rich in fats, proteins, and vitamins
Term
Endosperm
Definition
Well developed that make up the bulk of the seed
Term
Bran
Definition
formed by the fusion of the seed coat and pericarp
Term
Aleurone layer
Definition
Inside the bran and surrounds the endosperm
Term
Grains
Definition
Also known as caryopsis, are dry, single-seeded, indehiscent fruits
Term
Lodging
Definition
Matting together of tall stalks, happens because they have a hollow stem; much of the grain is wasted; genetic modification prevents lodging
Term
Shattering
Definition
Natural process in grass plants that allows dispersal of the mature fruit farther away from the parent plant; grains are difficult to collect
Term
Threshing
Definition
The activity of removing the fruits from the bracts (chaff), usually done by hand; humans cannot digest the chaff
Term
Winnowing
Definition
throwing the grain-chaff mixture into the air/fan and separating the heavier grains from the lighter chaffs
Term
Groats
Definition
Broken grains, with minimal amount of bran removal
Term
Polishing
Definition
Remove bran along with the germ (embryo from the whole grain), grain is pure starch
Term
Differences between Whole grains and polished grains
Definition
Whole grain have the bran and the germ; polished grains do not; polished grains are pure starch
Term
Rice
Definition
"Food for Billions" Oryza sativa; feeds more people worldwide than any other crop; Food staple in and native to Asia; symbol of fertility;
Term
Brown rice
Definition
Dehulled (chaff removed) whole grain; less processing; lot of vitamin B1;
Term
White rice
Definition
Polished rice; if you only eat white rice you can develop a condition called "beriberi" which causes nerve inflammation
Term
Golden Rice
Definition
genetically engineered; Golden color is a result of beta-karotin (a precursor to Vitamin A); First grown in Japan;
Term
Parboiled rice
Definition
Rice is steamed along with the glumes; enables the starch to absorb the nutrients; once dried the glumes are removed and the grain is polished; some nutrients is absorbed by the starchy endosperm and remains after polishing
Term
Basmati rice
Definition
Long-grain, fragrant rice; used in Middle Easter and Indian cuisine; Rice pilaf
Term
Jasmine rice
Definition
Comes from Thailand; is fragrant with a nutty aroma; has absolutely nothing to do with jasmine; cooks better than regular long grain rice
Term
Red rice
Definition
Fermented red-purple rice; used in place of regular white rice or as a food coloring; fungus gives the rice its color and is used to lower the LDL
Term
Texmati rice
Definition
basmati rice grown in Texas;
Term
Paddy
Definition
Rice grown in wet areas (standing water)
Term
Upland rice
Definition
rice grown in dry places; no standing water; Brazil is the leading producer of upland rice
Term
Indica rice
Definition
long grains that do not stick together when cooked; from India
Term
Japonica
Definition
short grain, sticks together when cooked; from Japan; used for sushi
Term
Javanica
Definition
Large grain rice from Java, Indonesia
Term
Wheat
Definition
"The Staff of Life"; oldest domesticated plant; wild wheat, diploid; modern grain is polyploid from genetic engineering
Term
Emmer wheat
Definition
Tetraploid (4 sets) results in a free threshing natural mutant type known as durum wheat.
Term
Durum wheat/Bread wheat
Definition
Mutant type of Emmer wheat which is hexaploid (6 sets); used for flat bread; and it's endosperm is rich in protein
Term
Gluten
Definition
Complex of proteins in the wheat grain; which yeast is added it allows the dough to rice;
Term
Cereal
Definition
Ceres= Greek goddess of grain; Kellogg brothers made the first cereal after soaking and baking cereal grains; Post decided to copy them;
Term
Whole grain flour
Definition
Is nutritious but becomes rancid with age;
Term
Polished/White flour
Definition
Has a longer shelf life because the fat and oil have been removed; US is the leading producer
Term
Fortified flour
Definition
Not good because the nutritious portion is removed, then coated with vitamins;
Term
Corn
Definition
"Indian Maize" Zea mays; Zea= "to live" in Greek; less protein than wheat, good amount of fiber and you DO NOT HAVE TO POLISH! Flowers are unisexual, monoecious, grains are larger, free from individual bracts; entire ear is cover with a large bract called husks; Gluten free; Basis for civilizations for Maya, Aztec and other Native America populations; used heavily in genetic studies
Term
Silks
Definition
Long styles of the female flower; long soft hairs; used for medicinal purposes in native American cultures
Term
Pellegra
Definition
Disease developed if you eat only corn as a staple food because they lack amino acids; symptoms are: dysentery, dementia
Term
Oats
Definition
Avena sativa; eaten unrefined; highly nutritious; rich in soluble fiber, insoluble fiber; green portion is the chaff; oats are flatten before sold in market; EATEN UNREFINED
Term
Steel-cut rolled oats
Definition
Very soft and flaky oats important in Scotland
Term
Oatmeal
Definition
Steamed oats; used to be popular in US until 1970 and is just recently coming back into popularity
Term
Sorghum
Definition
Sorghum bicolor; important staple in other parts of the world; similar to corn but have bisexual flowers; inflorescence are two colors; grown for grain, syrup, forage, and for making brooms
Term
Arcola, Illinois
Definition
"Broom corn capital of the world"
Term
Barley
Definition
Hordeum vulgare; one of the oldest domesticated crops, important in the Mediterranean region; used in baking, beer, and whiskey; pure starch and rich in protein; Very easily digested and used in soup;
Term
Millet
Definition
Finger: inflorescence resembles as popsicle; Pearl: white color; good source of amino acids, highly nutritious, contains a lot of lycine; grown in US as a forage grass or bird seed; Grown extensively in Africa, India, and China
Term
Rye
Definition
Secale cereale; "Poorman's wheat"; cold and drought tolerant; low in gluten; has to be mixed with 50% wheat; used for beer, whiskey, and vodka; good source of fiber;
Term
Triticale
Definition
Triosecale; cross between wheat and rye; artificial hybrid; low in gluten and has beneficial qualities of both grains;
Term
Wild rice
Definition
Zizania palustris; wild, high in fiber, expensive and not related to regular rice;
Term
Sugar cane
Definition
Saccharum officinarum; used to make ethanol; products include: Raw sugar (brown), molasses, powdered sugar, confectioner's sugar, brown sugar, granulated sugar
Term
American Sugar Triangle
Definition
18th century; America--> Europe --> Africa --> West Indies; rum was used to pay for the slaves;
Term
British Sugar Triangle
Definition
Same as American (Britain and America switch spots); slaves paid for in silver
Term
Pongal
Definition
Harvest festival of sugar in India; make a dish like pudding that will boil over
Term
Not real grains
Definition
Amaranth, buckwheat, and quinoa
Term
Switchgrass Pennisetum; Bamboo
Definition
Alternative ethanol source; not usable for food or anything else;

Construction
Term
Rubiaceae
Definition
Coffea Arabica; coffee
Term
Theaceae
Definition
Tea
Term
Sterculiaceae
Definition
Chocolate and Cola;
Term
Caffeine
Definition
Alkaloid; Benefits: stimulant, antioxidant, improves cognitive function, reduces colon cancer, reduces risk of Parkinson's disease; Risks: dehydration, insomnia, addictive
Term
Boston Tea Party
Definition
In 1773, people angry about the taxation of tea enacted by the Tea Act dressed up as Mohawk Indians, boarded ships, and dumped out all the tea into Boston harbor.
Term
Tea History/Facts
Definition
Camellia sinesis; Symbol of hospitality in China; India is the largest producer in the world;
Term
White tea
Definition
Top leaves of certain cultivars are fast dried to retain their silvery white color; Has less caffeine than green tea but has more nutrients
Term
Black tea
Definition
leaves are oxidized; Process: 1) Withering: hot, dry air is blown to remove moisture; 2) rolling: done by machine to release enzymes that activate fermentation process; 3) Fermentation: chemical oxidation where leaves turn coppery color; 4) Firing: Removes excess water; has stronger flavor and more caffeine
Term
Green tea
Definition
Undergoes minimal processing/fermentation; contains less caffeine than black tea and more polyphenols; Process: Steam, rolled, and dried; no fermentation; lots of antioxidants
Term
Oolong tea
Definition
Semi-oxidized with greenish-brown leaves; "Black dragon tea"; popular during the Qing Dynasty; Preparation takes great skill
Term
Brassica tea
Definition
Latest invention from Johns Hopkins University in Baltimore; Added extract of SGS in broccoli to have benefits of both tea and broccoli
Term
Iced tea
Definition
In 1904: open-air convention in St. Louis it was very hot and Richard Blechynden decided to pour tea over ice;
Term
Tea bags
Definition
Broken leaf pieces are sieved and used in tea bags; abaca fibers from banana leaf fibers are used in modern tea bags;
Term
Instant tea
Definition
Form of a dry paste with a mix of tea leaves, sugar and milk was developed in 1885 by John Brown; Dry, powdered kind from the 1940's is popular in the U.S.
Term
Tea Flavor: Theol and Tannins
Definition
Theol is an essential oil that gives tea it's flavor and aroma; Tannins in the tea leaves cause the brown color; Stimulating effect is due to caffeine and theophylline
Term
Chai
Definition
Generic name for tea mostly used in India, Iran, and other parts of the world;
Term
Masala tea
Definition
variation of chai tea in India where the tea is mixed with aromatic spices, milk, and sugar;
Term
Coffee: A History
Definition
Coffea Arabica, Rubiaceae; Native to the mountains of Ethiopia; From two-seeded berries, known as "cherries"; clustered drupe; Goat herders in Ethiopia chews on leaves and berries to keep hunger and fatigue away; First brewed by Arabians and arrived in Yemen in 14th century; became popular in Europe by 1600's;
Term
Pea berry
Definition
One seeded coffee bean;
Term
"Penny universities"
Definition
Coffee houses in England that functioned as meeting places for the exchange of news, business, and politics; Coffee was a penny ($0.01) a cup; Ex. Lloyds of London
Term
Coffee in USA
Definition
Boston 1669; had to get seeds from Arab countries who would dip the seeds in boiling water to keep it from germinating; Arabian monopoly until 1700; Most coffee is from South America;
Term
Coffee Plants
Definition
Evergreen, perennial, small bushes from Rubiaceae; Prefer abundant rainfall and cooler subtropical climate; Small, white, fragrant blossoms are bisexual; Red, shiny, two-seeded berries derive from inferior ovaries; symbol of hospitality
Term
Coffea arabica
Definition
Most prominent species of coffee grown in Latin America
Term
C. canephora
Definition
About 25% of coffee in the world; Contains more caffeine; grown in Asia and part of Africa
Term
C. Liberica
Definition
Yields bitter coffee; grown in Africa at lower altitudes;
Term
Depulping (Coffee)
Definition
Coffee is surrounded by pulp, which has to be removed; a layer surrounds the coffee, parchment, has to be removed and can be used as a fertilizer
Term
Wet method
Definition
All coffee berries together are crushed with pressure to remove the pulp, left with parchment and two seeds, parchment does have some pulp attached; ferment the beans for a while, then wash off; superior/mild coffee flavor; done mostly in South America
Term
Dry Method
Definition
Whole bean is left to dry; split the whole thing open, the two seeds come out; natural/hard coffee flavor; Done mostly in Africa
Term
Roasting the Coffee Beans
Definition
Determines the aroma and flavor; If roasted for a long time caffeol (an essential oil) is released
Term
International Coffee Organization (ICO)
Definition
Sets and regulates the production and price for the member nations
Term
Decaffeinated coffee
Definition
developed by L. Roselius in 1903; still has trace amounts of caffeine; originally used chemicals like chlorine to take out caffeine but now reverse osmosis is used to remove caffeine.
Term
Instant Coffee
Definition
Created by Japanese chemist in 1901; boiled huge amount of coffee and take the powder off the top
Term
Espresso
Definition
Very concentrated form of coffee; use steam to get best out of coffee; should not be bitter; developed in France
Term
Americano
Definition
Espresso mixed with water
Term
Cappuccino
Definition
Made with coffee, milk, and milk foam
Term
Latte
Definition
Espresso with milk
Term
Mocha latte
Definition
Espresso with milk and chocolate
Term
Coffee Facts
Definition
Most important export for 12 countries; Pope Clement VIII declared it a Christian beverage; Dutch were first to cultivate coffee commercially in Asia; Brazil is the leading producer
Term
Chocolate
Definition
"beans" are the seeds of the theobroma cacao trees from tropical forests of South America; from the family Sterculiaceae; theos= "god" and broma= "beverage"; Native to Central America and Mexico; "Food of the Gods'
Term
Chocolatl
Definition
Esteemed beverage for Aztec people; originally spiced beverage that was frothy and thick; added chili pepper for spice
Term
Chocolate processing
Definition
Fruit pod is a large, football-shaped capsule with a fleshy, thick pericarp that ripens into a yellow-ish color; there are 20-60 "beans" per pod surrounded by a sticky sweet pulp
Term
Theobromine
Definition
Alkaloid found in chocolate, gives chocolate flavor and has a stimulating effect
Term
Chocolate liquor
Definition
Oily paste from the chocolate, has no alcohol
Term
Chocolate facts
Definition
Africa leads the wold in chocolate tree cultivation; USA is a major producer of chocolate; Swiss consume the most chocolate; dark chocolate is a rich source of antioxidants
Term
Cola
Definition
Variety of drinks made from Kola nut (actually is a seed). Cola nitida (West Africa) from the family Sterculiaceae (same as chocolate); picked, fermented, and roasted
Term
Cola seed
Definition
a capsule, with seed surrounded by white pulp, processed like chocolate; has caffeine, kolanin (heart stimulant) and theobromine (trace amounts)
Term
Coca-cola
Definition
Prepared in 1886 by Dr. John Styth Pamberton in Atlanta, Georgia; used water, color, kola seeds, and coca leave; recipe is locked up in an Atlanta bank vault
Term
Barr's Red Cola
Definition
Popular in Scotland; still uses some Kola extract
Term
Cricket cola
Definition
Popular in California; used Kola extract, green tea, sugar, and vanilla
Term
Inka kola
Definition
Popular Peruvian soft drink made from other plant extracts, sugar, and flavorings; despite it's name it has no kola extracts
Term
Mate
Definition
Aquifoliaceae (Holly family); ancient drink of health and friendship in South America; made from leaves of Ilex species; drank from bottled gourd
Term
Asi
Definition
From the leaves of the yaupon holly, Ilex vomitoria; Native american tea; sold for tea during the Civil war blockade; leaves are rich in caffeine; Aquifoliaceae family
Term
Guayusa
Definition
From the Aquifoliaceae family; Native to Ecuador; member of a different family; leaves are elongated; remove leaves and dip the whole thing in hot water; very high in caffeine and can be used multiple times;
Term
Chicory
Definition
dry, roasted fleshy roots yield caffeine free powder; adds color, flavor, and reduced the caffeine in coffee;
Term
Guarana
Definition
Caffeine-rich beverage prepared from the single-seeded fruits of Paullinia cupana; Plants are native to South America and found in wild and domesticated forms; Guarana soda is the national beverage of Brazil; also used to make Guarana bread
Supporting users have an ad free experience!