Review 3 Lecture 18-19 Flashcards
who is the godfather of toxicology?
Paracelus
What as socrates forced to drink?
Poision hemlock
What are 4 types of posionous plants
Alkoids
- Yew
- Buttercups
- Boxwood
Cardiac glycocide\
- oleander
- lilly of the valley
cyanide
- seeds of rose family
- cassava
- lima beans
Other compunds
-castor bean
what are the mild discouragement but not toxic plants (6).
Oxalic acid
rhubarb, swelling of mouth and vocal chords
tannin in potatoes leafs and stems
Saponins
- tomatine in tomato and solanine in potato
- cause diarrhea and vomiting
allergic componeys
urushiol oil in poison ivy
alkalods
death camas frequent poison in livestock
food and pollen alergies
wht are the 5 uses of poisonous plants.
- Crop plants need defenses against insects and diseases, otherwise would have to always spray huge amounts of insecticide and fungicide2. Selective poisons of pests:
i) rat poison - Rotenonefrom the bean family Fabaceae
iii) pyrethrum are from sunflower family Asteraceae; these kill fish andinsects - Medicines in smaller doses
- Poisonarrowsand darts - common in many societies (Greece, China, Africa, South America) with different plants.
- Jewelry: Rosary peas (Abrus precatorius): abrin
What are the poisonous members of the apiaceae family
water and poison hemlock
All parts of the oleander are toxic and contains ______.
cardiac glycosides
What is the toxin in the pacific yew that leads to cardiac failure.
Taxine
Honey in australia can be tainted with what chemical?
Tutin (produced within phloem).
You can fall ill from consuming milk from cows have have eaten ______.
White snakeroot
Castor oil was used to treat people with ______.
Constipation
Georgi markov was poisoned with what?
castor bean
Allergenic pollen is usually from ______ pollinated plants.
Wind pollinated
True or False: Pollen from short ragweed and giant ragweed are well known inducers of hay fever allergies
True
True or False: latex contains allergenic proteins; guayule latex is deficient in these proteins.
True
In some cases, unusual features, such as thorns,of ______and______ are of interest.
rose and cacti
What are the 4 types of oils?
- 150-100 = “semi-drying”
- 100-70 = “nondrying”
- below 70 = “fats” because they are solid at room temp = highly saturated. e.g. palm and coconut oils
What are the 6 uses of vegetable oils?
• Food • making soap - a long time ago • Paints and decorative coatings - those have high iodine values (drying oils) • Original linoleum (floor covering) • Petroleum product alternatives polymers fuel • medicinal uses (castor bean)
Drying oils such as ______ are used in paints and varnishes.
linseed
What are 3 examples of semi drying oils?
Sunflower, soybean, corn
What is an example of a non-drying oil?
Peabut
What is the most consumed oil in the world?
Vegetable oil (soybean oil)
Canada led the development and extraction and use of ______ oil.
Canola
In castor oil, ______, a highly toxic protein that lead to hemorrhaging, comes from the seed
ricin
what is the only oil that is from the pericarp.
Olive oil
______ oil is the fat pressed from the fibrous flesh of the fruit of many palms.
Vegetable fats
______ seeds contain oil that is liquid wax, used for machinery
Jojoba
True or False: Biofuels burn cleaner than fossil fuels, releasing fewer pollutants and greenhouse gases, such as carbon dioxide, into the atmosphere. They are sustainable, and energy companies often mix biofuels with gasoline.
True
yeast and bacteria are used to break down the startch in corn and other plants.
bioalcohol
what are the two main categories biofuels fall into.
bioalcohol and biodiesel
What are the two drawbacks to biofuels
compete with food and crops for land
costs
True or False: Growing and processing corn into a biofuel actually uses a huge amount of fossil fuel.
True
In a cottonseed plant oil makes up what percent?
20
What plant is used to Makeethanolrequires less energy from fossil fuels and Does not affect world food production
Switchgrasss
True or False: Wheat ethanol is mainly used to power motor vehicles and is often blended withgasoline.
True
Most biodiesel in the world comes from what palnt?
soybeans
True or false: Bush grows quickly, does well whenwateris scarce and with seeds that have 40 percent oil content.
True
Is palm oily an excellent energy efficient biodiesel fuel?
Yes
What type f plant producing ethanol is 6 times less expensive than producing ethanol from corn.
Sugarcane
What is the primary source of most cork products in the world?
Cork oak