Talk:Apios americana

Confusion with other plants
Amphicarpaea bracteata not apios americana is listed at the usda plants database as the American Hog Peanut. I think it is important to note these are two distinct plants.

http://plants.usda.gov/plantguide/pdf/cs_ambr2.pdf

— Preceding unsigned comment added by 24.18.133.101 (talk • contribs) 00:57, 29 May 2007 (UTC)

"Apio" is used to describe several tubers such as that of Arracacia xanthorriza, but I have found no reference that uses it for Apios americana. Please don't redirect Apio or add it to the list of common synonyms without providing a referece.

— Preceding unsigned comment added by Rumpuscat (talk • contribs) 16:26, 14 August 2008 (UTC)

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Japanese cultivation
As there is commercial cultivation of this in Japan, the domestication and cultivation sections need expansion, as they are wholly lacking in that regard -- 70.51.203.56 (talk) 18:16, 16 April 2018 (UTC)

Protein content
There are conflicting citations of protein content in the Nutrition section:


 * « These tubers contain roughly three times the protein content of a potato (16.5% by dry weight) »
 * « A. americana tubers were found to have a protein concentration of 15–30 milligrams per gram »
 * « The fresh weight of a tuber is 36% of carbohydrate (primarily starch). »

For the first two to both be true, then the second statement would have to refer to fresh weight. Taking the high end of the latter range (30 mg protein per gram) the only way the dry weight could be 16.5% protein is if 150 mg/g were non-water, non-protein. (Because (100-16.5)/16.5 = 5, and 5 * 30 = 150.) If all of that were starch, it would be 15% of the fresh weight. Taking the low end of the range, we get 75 mg/g, or at most 7.5% starch. None of this is compatible with 36% carbohydrate.

I haven't gone into the cited sources to discover where the discrepancy lies, but the numbers are off by at least a factor of 2, so I don't think it's just variation in samples. -- Phyzome (talk) 23:35, 17 May 2024 (UTC)