Originally, pistachios were imported into the US from the
middle east. The traditional harvesting methods left
unsightly blemishes on the nuts that seemed to turn off US
consumers. US importers found that if the masked the
pistachio blemishes using red vegetable dye, they sold more
to US consumers (who, at the time, seemed ready to accept
that the nuts might naturally be that color).
Since the 1970s the US has developed domestic pistachio
crops and no longer needs to import the ratty looking middle
eastern nuts. Nice looking pistachios combined with cost
conciousness on the producer side and health consciousness
on the consumer side has made the blonde pistachio variety
quite a bit more popular than the red kind. Today, "red"
probably indicates "low-grade".
Not that the dye is actually harmful anyway. Like many dyes,
it probably has some beneficial low level of antibacterial
or antifungal activity. However, just as many people were
once willing to accept that red was a natural color for this
nut, they're just as willing to accept the equally well-
founded belief that the "unnaturalness" of the dye poses a
health risk.
Dye-free is probably a superior if only because it requires
less resources to produce.
Bob Simon said:My wife asked me if I could find out why so I did a quick
google search but didn't find anything relevant.
She came up with a couple of ideas: It's a plot hatched by
the red dye #2 lobby. It makes them "pretty" for XMas.
Does anyone know?
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Bob Simon The Truth may be out there but it can be hard
to find.
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