vitamin C
#361825 - 11/02/10 04:15 AM
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Am I right in thinking that Vitamin C evaporates in heat? Since I don't eat raw fruit or vegetables, what should I do about a possible Vit C deficiency? Taking a supplement is the only way?
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Susie, born in 1985,
(pseudo-)D and bloating April 2007-December 2010, now stable
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Re: vitamin C
#361826 - 11/02/10 05:10 AM
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Syl
Reged: 03/13/05
Posts: 5499
Loc: SK, CANADA
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Vitamin C is denatured if it is heated to high. Pulp free grapefruit, orange and berry juices are high in vitamin C.
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STABLE: ♂, IBS-D 50+ years - Science of IBS
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thanks for that. Back in the day I used to cook broccoli in oil, then I thought I'd go for the healthier way of boiling in water. Bad mistake then.
Fruit juices are not always recommendable, are they?
Am thinking about investing in a smoothie-maker now, which should get rid of the IF. Then I can 'eat' orange, kiwi, bananas and blueberries. Maybe even grapes.
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Susie, born in 1985,
(pseudo-)D and bloating April 2007-December 2010, now stable
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But just had a thought again, potatoes. I always boil them.
I boil every single thing. Except for spinach. Which I have just found out may not be a great source of iron after all. As it has a lot of iron, but is not easily absorbable?
http://www.eatwell.gov.uk/healthydiet/nutritionessentials/vitaminsandminerals/iron/
I don't think I am getting any vitamin C at all and I suspect I may lack iron too, no wonder I don't have energy and feel exhausted all the time.
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Susie, born in 1985,
(pseudo-)D and bloating April 2007-December 2010, now stable
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Re: vitamin C
#361829 - 11/02/10 08:21 AM
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Syl
Reged: 03/13/05
Posts: 5499
Loc: SK, CANADA
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It depends on the fruit. Fruits high in excess fructose such as pear and apple are not recommended. Citrus fruits and berries tend to have less fructose than glucose so they are not a problem except the pulp which for me is a problem. I buy pulp free grapefruit and orange juice. I make my own berry juice from frozen berries and I strain the pulp in using a jelly bag. 1 cup of grapefruit or orange juice has a full days vitamin C requirement. I usually have 2-3 cups per day 
Does a smoothie maker remove the pulp? I think a centrifuge juicer or a combined juicer/smoother maker does but I am not sure a smoothie maker does remove pulp,
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STABLE: ♂, IBS-D 50+ years - Science of IBS
The FODMAP Approach to Managing IBS Symptoms
Evidence-based Dietary Management of Functional GI Symptoms: The FODMAP Approach
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thanks for that. I have just looked and there's a lot of smooth orange juice out there, but I don't want added sugar... also what does 'from concentrate' mean?
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Susie, born in 1985,
(pseudo-)D and bloating April 2007-December 2010, now stable
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Re: vitamin C
#361838 - 11/02/10 11:55 AM
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Syl
Reged: 03/13/05
Posts: 5499
Loc: SK, CANADA
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Sometimes they concentrate the orange juice by removing water which reduces the storage volume. When they want to turn it back into regular juice they reconstitute by adding water.
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STABLE: ♂, IBS-D 50+ years - Science of IBS
The FODMAP Approach to Managing IBS Symptoms
Evidence-based Dietary Management of Functional GI Symptoms: The FODMAP Approach
FODMAP Chart & Cheatsheet
The Role of Food & Dietary Intervention in IBS
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