PHA 317: Exam 2: Extractions
Questions and Answers 100%
Pass
Essential Oils aka - CORRECT ANSWER-volatile oils, ethereal oils, aetherolea
an oil is essential is that sense - CORRECT ANSWER-that it carries a distintive
scent, or essense, of the plant
lavender - CORRECT ANSWER-flowers
orange - CORRECT ANSWER-rind
frankincense - CORRECT ANSWER-resin of its tree
cinnamon - CORRECT ANSWER-bark
pine - CORRECT ANSWER-needles
rose oil is roughly _times more expense ive lavender oil - CORRECT ANSWER-
24
contrituve to the overall quality of the essential oil - CORRECT ANSWER-soil
quality, climatic and geographic conditions
, jasmine flowers must be - CORRECT ANSWER-picked by hand at dawn on the
very first day they open
sandalwood tree must be - CORRECT ANSWER-30 years old and 30 feet high
before it is ready to produce the best quality oil
what is required to extract a plant - CORRECT ANSWER-organic solvent, plant
part and bases to extract essential oil from the solvent
steam distillation is the most common - CORRECT ANSWER-most common
method of extracting essential oils which is done in a still
how does steam distillation work - CORRECT ANSWER-Pressurized steam is
generated and circulated though the plant material. The heat from the steam causes
the plant intercelluar pockets to open and release the essential oil. The heat must
not be too night to destory the plant of burn the oil. After oil is released it
evaporates with the water, together they travel though the rube into a condensation
chamber. As the steam cools it returns to being a liquid. You can seperate oil from
water.
floral water may be preferable to essential oil, such as - CORRECT ANSWER-
when treating a sensitive individual or child, or when a diluted treatment is
required
extraction of citral from lemon grass oil - CORRECT ANSWER-3mL of lemon
grass oil + 75mL of water- place in a flask with a boiling chip. The mixture was
heated to boiling and distillate was collected into a graduated cylinder.
Questions and Answers 100%
Pass
Essential Oils aka - CORRECT ANSWER-volatile oils, ethereal oils, aetherolea
an oil is essential is that sense - CORRECT ANSWER-that it carries a distintive
scent, or essense, of the plant
lavender - CORRECT ANSWER-flowers
orange - CORRECT ANSWER-rind
frankincense - CORRECT ANSWER-resin of its tree
cinnamon - CORRECT ANSWER-bark
pine - CORRECT ANSWER-needles
rose oil is roughly _times more expense ive lavender oil - CORRECT ANSWER-
24
contrituve to the overall quality of the essential oil - CORRECT ANSWER-soil
quality, climatic and geographic conditions
, jasmine flowers must be - CORRECT ANSWER-picked by hand at dawn on the
very first day they open
sandalwood tree must be - CORRECT ANSWER-30 years old and 30 feet high
before it is ready to produce the best quality oil
what is required to extract a plant - CORRECT ANSWER-organic solvent, plant
part and bases to extract essential oil from the solvent
steam distillation is the most common - CORRECT ANSWER-most common
method of extracting essential oils which is done in a still
how does steam distillation work - CORRECT ANSWER-Pressurized steam is
generated and circulated though the plant material. The heat from the steam causes
the plant intercelluar pockets to open and release the essential oil. The heat must
not be too night to destory the plant of burn the oil. After oil is released it
evaporates with the water, together they travel though the rube into a condensation
chamber. As the steam cools it returns to being a liquid. You can seperate oil from
water.
floral water may be preferable to essential oil, such as - CORRECT ANSWER-
when treating a sensitive individual or child, or when a diluted treatment is
required
extraction of citral from lemon grass oil - CORRECT ANSWER-3mL of lemon
grass oil + 75mL of water- place in a flask with a boiling chip. The mixture was
heated to boiling and distillate was collected into a graduated cylinder.
