what affects the amount of vitamins in food?
DESCRIPTION
What affects the amount of vitamins in food?. Fresh, canned or frozen?. Frozen or canned within a few hours of harvesting. Canning – overall cooking time is less ( salt may be added). Freezing – stops any further loss of vitamins. Cooking vegetables: boiling vs. steaming. - PowerPoint PPT PresentationTRANSCRIPT
What affects the amount of vitamins in food?
Fresh, canned or frozen?
Frozen or canned within a few hours of harvesting
Freezing – stops any further loss of vitamins
Canning – overall cooking time is less (salt may be added)
Cooking vegetables: boiling vs. steaming
Fresh fruit Flesh exposed to the air over a period of time
Browning of flesh due to oxidation
More vitamin loss
Flesh received minimal exposure to air
Flesh is not brown More vitamins retained
Prepared prior to eating
Preparation of fruit
Cut just before eating
Milk
Cooking methods
Simple ways to reduce vitamin loss
Scrubbing vegetables or peeling them?
Boiling vegetables or steaming them?
Cutting vegetables into smaller pieces or larger pieces to cook?
Cutting fruit as needed or preparing in advance?
Cooking vegetables for a long time or a short time?
Storing ripe fruit in the fridge crisper or storing ripe fruit in a bowl?
Circle the best choices to save vitamins
Scrubbing vegetables or peeling them?
Boiling vegetables or steaming them?
Cutting vegetables into smaller pieces or larger pieces to cook?
Cutting fruit as needed or preparing in advance?
Cooking vegetables for a long time or a short time?
Storing ripe fruit in the fridge crisper or storing ripe fruit in a bowl?
Circle the best choices to save vitamins
What did you think of today’s session?
• What do you remember most from today?• Do you think you know more about preventing
vitamin loss when cooking and preparing food?• What are you going to do differently?
Developed by HELPP,Funded by SA Health, and managed by
Nutrition & Dietetics, Flinders University
Contact: Food Safety and Nutrition Branch, SA Health Tel: 8226 7100 or Nutrition & Dietetics, Flinders University Tel 8204 4715