There is also a yam which grows in the southern Mexico wooded areas that is
edible but rather than Ipomea it is related to the Dioscorea group
(spelling?) and also has weak birth control properties. (I think diosgenin
is extracted from it, A preproduct of birth control medications. )

Chuck


"Rona Yuthasastrakosol" > wrote in message
...
> "Phred" > wrote in message
> ...
>> In article >,
> wrote:
>> >In article >,
>> >Monique Reed > wrote:
>> >>I received this query today and don't have any info. Can anyone offer
>> >>an answer or personal experience?
>> >
>> >I think you've gotten a good answer regarding edibility.
>> >
>> >White sweet potatoes seem to be the most popular kinds in Korea and
> Japan.
>> >The Korean greengrocers here all stock them and no other kinds. The
>> >ones
>> >I see all have red skin. I find them dry and bland tasting, much
> inferior
>> >to the usual moist orange or yellow fleshed kind, but perhaps in Korean
>> >and Japanese cuisine they are prepared in a way that takes advantage of
>> >the difference in culinary properties.
>>
>
> piggy-backing, but those sweet potatoes are most often used for tempura,
> roasting, or candy-ing (such as the recipes at
> http://japanesefood.about.com/od/swe...daigakuimo.htm in Japan.
> Sometimes I see sweet potato bread or croissants (with the sweet potato
> used
> as a filling), but the former three are the most common recipes, I
> believe.
>
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>