Lec 9: Herbs and Essential Oils Flashcards
Describing words Spices are associated with…
feistiness, piquancy, and pungency
spices are from plants growing in
plants growing in tropical regions
herbs evoke thought of
pastoral scenes, old fashioned setting, home remedies, and sublet flavors
herbs are plants grown in
temperate regions
herb is an abbreviation of
herbaceous
herbs:
non-woody plants where the leaves are primarily used (sometimes fruit as well)
depending upon the species, spices can be derived from either the
dried bark, roots, fruit, or seeds
plant essential oils are the source of
aroma
herbs and spices produce small amounts of odors useful for
- culinary
- herbal medicine
- perfume industries
essential oils:
volatile terpenes or phenols responsible for the characteristic aroma of a certain species
essential oils are produced in
trichomes
essential oils occur in specialized multicellular structures known as
glandular trichomes, oil glands or oil vessels.
essential oils role
attract animals to flowers for pollination or to fruits for seed dispersion
essential oils are secondary plant products meaning
they aren’t critical for growth and development of plants
allelopathy
the effect a chemical from one plant can have on another plant in the same environment
allelopathy can be produced to
prevent growth or germination if other plants around them
essential oils can also function as
anti-feedants
anti-feedant
deterrent against insects but doesnt affect large animals in small amounts
anti-feedants kill
fruit fly eggs
herbs and spices were originally used to
mask or prevent spoilage
aromatic plants were burned (incense) to
communicate with spiritual world
perfume means
“per fumus” meaning “by smoke”
herbs and spices were used in Ancient Egypt …
medicinally and you preserve the dead
Ebers Papyrus refers to
medicinal herbs
