Module 9-oil seed species (sunflower)

Question 1

what is sunflower oil produced by

Answer 1

Sunflower oil is produced from oil-type sunflower seeds

Question 2

what is sunflower oil

Answer 2

Sunflower oil is prepress-solvent extracted from whole or partially dehulled sunflower seeds

Question 3

what is the oil content of a sunflower seed

Answer 3

The seed has an oil content of more than 50 percent

Question 4

what is the fatty acids of traditional cultivators of sunflowers? what acid and vitamin is found in it

Answer 4

The oil of traditional cultivars of sunflowers is highly polyunsaturated with a high concentration of linoleic acid (C18:2) and high levels of vitamin E

Question 5

what are some characteristics of processing sunflower oil

Answer 5

Sunflower oil requires little refining but it has a tendency to polymerize

Question 6

is sunflower oil good for using to fry? why or why not

Answer 6

it has a tendency to polymerize making it poorly suited to usage as a frying oil

Question 7

what sunflower oils are good for frying ad what else are they good for

Answer 7

Newer high oleic acid cultivars are oxidatively stable and the oils can be used for frying and as lubricants

Question 8

what is the characteristics of sunflower meal

Answer 8

The meal derived from processing sunflower seeds is very high in fibre

Question 9

what is sunflower meal used for

Answer 9

its use in the feed industry is limited to ruminants

Question 10

what are the new sunflower varieties high in and what are they good for and what is a downfall to them

Answer 10

very high oleic acid varieties have been developed and have excellent frying characteristics; however, their high price currently restricts their use to synthetic lubricants requiring high oxidative stability.

Question 11

where is the sunflower native to

Answer 11

The sunflower is native to North America

Question 12

when was the sunflower cultivated

Answer 12

it was cultivated in the American southwest around 3000 BCE

Question 13

how did we get todays sunflower? who is responsible

Answer 13

Native American plant breeders successfully transformed the original multi-headed, tiny-seeded plant into what we are familiar with today

Question 14

what was the original use of sunflowers

Answer 14

Wild sunflower seeds were gathered by Native Americans across North America for use as food, creating a fine meal that was made into porridges, breads and soups; they also consumed the raw seeds directly

Question 15

what do sunflowers provide a high source of

Answer 15

Sunflower seeds provided an excellent source of fats in diets dominated by lean meats and foraged grains and fruits

Question 16

how did the sunflower move from north america

Answer 16

Early explorers took the sunflower to Europe and, from there, it moved on to Russia

Question 17

how did new strains of sunflowers come to north america

Answer 17

In the late nineteenth century, strains produced by European breeding programs returned different sunflowers to their homeland in North America.