豆浆里的carrageenan 和 Retinol Palmitate

早一会喝了老美店的豆浆觉得大便不是很顺，今天仔细看了一下它的成分发觉比较特别的两个是carrageenan 和 Retinol Palmitate。 Wikipedia 对carrageenan 有这么一段：

Health concerns

There is evidence from studies performed on rats, guinea pigs and monkeys which indicates that degraded carrageenan (poligeenan) may cause ulcerations in the gastro-intestinal tract and gastro-intestinal cancer.[16] Poligeenan is produced from carrageenan subjected to high temperatures and acidity. The average carrageenan molecule weighs over 100,000 Da while poligeenans have a molecular weight of less than 50,000 Da. A scientific committee working on behalf of the European Commission has recommended that the amount of degraded carrageenan be limited to a maximum of 5% (which is the limit of detection) of total carrageenan mass. Upon testing samples of foods containing high molecular weight carrageens, researchers found no poligeenan.[17]

A recent publication[18] indicates that carrageenan induces inflammation in human intestinal epithelial cells in tissue culture through a BCL10-mediated pathway that leads to activation of NFkappaB and IL-8. Carrageenan may be immunogenic due to its unusual alpha-1,3-galactosidic link that is part of its disaccharide unit structure. Consumption of carrageenan may have a role in intestinal inflammation and possibly inflammatory bowel disease, since BCL10 resembles NOD2, mutations of which are associated with genetic proclivity to Crohn's Disease.

Carrageenan is reported to interfere with macrophage activity[19][20][21]

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所有跟帖： 

• carrageenan不光在豆浆里有， -sarahw- ♀ (346 bytes) () 11/17/2009 postreply 13:22:12