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Originally posted by zzombie
Iron is primarily found in the body as heme complexes, so it is much more bio available.
Originally posted by rhinoceros
reply to post by sirnex
Irons atoms bind with other molecules during heating in microwave? What molecules and why? Also why can't our body make use of them afterwards?
ps. I'm a big fan of irony and love your signature
[edit on 18-5-2010 by rhinoceros]
Having written essays about ecotoxicology, biomagnification, bioaccumulation, bioavailabity, biotransformation, etc. during my undergrad years I'm off opinion that I have fairly good idea (probably better than yours) of what bioavailability means.
Is heme complexed iron more or less bio available than iron oxide ?
No idea.
The question is, can we make use of it. That I don't know.
Originally posted by sirnex
Really? You purposefully take a statement out of complete context, then ridicule it without offering any constructive insight as to *[why* it deserves to be ridiculed.
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested, with significant decreases in bioavailability of B complex vitamins, vitamins C and E, essential minerals, and lipotropics (substances that prevent abnormal accumulation of fat).
What does structural degradation of essential minerals mean?
Is for example iron going to turn into something else in the microwave (like fusion in stars)?
Did you consider that perhaps it binds with other molecules during the cooking process? Christ, that &*#$'s just basic if what your telling me about yourself is true
Your asking *me* when your telling me that *you* know and write about bioavailability and then can't even answer a simple question about it posed by another user?
First post:
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested, with significant decreases in bioavailability of B complex vitamins, vitamins C and E, essential minerals, and lipotropics (substances that prevent abnormal accumulation of fat).
Part of my first post:
What does structural degradation of essential minerals mean?
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested,
with significant decreases in bioavailability of B complex vitamins, vitamins C and E, essential minerals, and lipotropics (substances that prevent abnormal accumulation of fat).
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested
with significant decreases in bioavailability of B complex vitamins, vitamins C and E, essential minerals, and lipotropics (substances that prevent abnormal accumulation of fat).
Another part of my first post (criticism):
Is for example iron going to turn into something else in the microwave (like fusion in stars)?
Does it count as constructive criticism?
In the light that so far nobody has explained why and how essential minerals found in food degrade during microwave heating I'd say yes it does.
You implied that I just don't get it while (you were) professing a "truth" here:
Yes, I did consider that. However I couldn't think of a reason why and mechanism how this would happen.
I'm not a nutrient specialist so I really have no clue what is more bioavailable to us after it's already on our plates.
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested,
with significant decreases in bioavailability of B complex vitamins, vitamins C and E, essential minerals, and lipotropics (substances that prevent abnormal accumulation of fat).
Hello, how can you not understand this:
Suggested cause:
Structural degradation leading to decreased food value was found to be 60 to 90 percent overall for all foods tested,
Structural degradation
leading to decreased food value was found to be 60 to 90 percent overall for all foods tested
decreased food value
significant decreases in bioavailability
It says:
Structural degradation of essential minerals leads to decreases in bioavailability of essential minerals.
Or maybe I got it wrong?
Instead it says:
Structural degradation (of something we're not going to name) leads to decreases in bioavailability of essential minerals?
Either way how structural degradation (perhaps even of what) leads to decreases in bioavailability of essential minerals is not explained anywhere.
A study published in the November 2003 issue of The Journal of the Science of Food and Agriculture[5] found that broccoli "zapped" in the microwave with a little water lost up to 97 percent of its beneficial antioxidants. By comparison, steamed broccoli lost 11 percent or fewer of its antioxidants. There were also reductions in phenolic compounds and glucosinolates, but mineral levels remained intact.
Microwave cooking can be more energy efficient than conventional cooking because foods cook faster and the energy heats only the food, not the whole oven compartment. Microwave cooking does not reduce the nutritional value of foods any more than conventional cooking. In fact, foods cooked in a microwave oven may keep more of their vitamins and minerals, because microwave ovens can cook more quickly and without adding water.