Module 9-oil seed species (flax/linseed) Flashcards

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1
Q

how much of the worlds flax crop does canada produce

A

Canada is a major producer of linseed or flax oil, contributing forty percent of the world’s flax crop

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2
Q

when is the term linseed oil used and when is the term flax oil used

A

The term linseed oil is used when the oil is destined for industrial use or livestock feed, flax oil is the same product destined for use in the human food industry

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3
Q

how much oil if found in flaxseed oil

A

Flaxseed contains approximately forty percent oil

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4
Q

how is flax seed oil extracted

A

it is prepress-solvent extracted

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5
Q

what is flaxseed meal high in

A

the meal byproduct is very high in fibre

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6
Q

why is flaxseed meal high in fibre

A

Because it is difficult to dehull the seeds prior to oil extraction, the meal byproduct is very high in fibre

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7
Q

what is linseed oil used for

A

Linseed oil is used for industrial purposes in the manufacture of paints, varnishes, and linoleum

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8
Q

what is linseed meal used for and why

A

Linseed meal is very high in fibre and is used principally as a ruminant feed

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9
Q

what is whole or ground flax used for feed production

A

Whole or ground flax is used in poultry and swine diets

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10
Q

what kind of fatty acid is present in canadian flax seed oil

A

linolenic acid (C18:3)

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11
Q

how much linolenic acid is found in canadain flaxseed oil

A

content of more than sixty percent

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12
Q

flaxseeds have the most of what in it out of any other plant source

A

Flaxseed is the richest plant source of the omega-3 a-linolenic acid

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13
Q

what does the high linolenic acid levels result from

A

The high linolenic acid level results from an interaction between the genetics of the flax and our relatively cool climate

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14
Q

what does new low linolenic acid varieties have the potential of doing

A

Newly introduced low linolenic acid varieties (known as solin) have the potential to make flax a major edible oil crop

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15
Q

what has the potential to make flax a major edible crop

A

Newly introduced low linolenic acid varieties (known as solin) have the potential to make flax a major edible oil crop

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16
Q

what is the fatty acid profile of solin like? whats its benefits and drawbacks

A

The fatty acid profile of solin is similar to that of sunflower, although solin has a higher linolenic acid content making it more desirable for its nutritional profile but also more susceptible to oxidation

17
Q

how much has the demand for flax increased between 2010 and 2020

A

Demand for flax for the human food market tripled between 2010 and 2020

18
Q

what has caused a big increase in demand for flax

A

as awareness of its health benefits has increased

19
Q

why is flax most commonly produced for the production of linen

A

Flax produced for the production of linen is generally derived from seed not intended for oil or food production.