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Have You Been Eating Your Nightshades?

Posted March 23, 2010 12:00 AM by Jaxy

When I had first been exposed to the name 'nightshade,' a plant couldn't be farther from my mind. Upon further inspection, I realized that nightshades were not a cousin of lampshades, but a variety of important plants that most of us are very familiar with.

Solanaceae

Solanaceae is the name for the family of flowering plants that comes from the Latin solanum, meaning "the nightshade plant." This family of plants provides a wide variety of agricultural produce including tomatoes, eggplants, potatoes, chili peppers, paprika, and tomatillos. Tobacco and petunia plants are also part of this family.

While solanaceae is used extensively for food, medicine and spices in humans, it is important to note that this species is high in alkaloids, which are toxic to humans and animals. The toxicity can range from a mild irritation to fatal.

As An Anti-Inflammatory

Nightshades have a high anti-inflammatory rating due to antioxidants and capsaicin. Capsaicin is found in hot peppers and is a phytochemical that produces strong anti-inflammatory responses when eaten.

Some people can experience inflammation from these food products because of an alkaloid referred to as solanine, which can be harmful in large amounts. Although most people can eat their fair share of nightshades without experiencing any negative effects, there are some that have sensitivities to minute amounts of solanine. For people who are sensitive to this alkaloid, eating nightshades can cause inflammatory reactions, joint pain, and other symptoms.

If you think your joint pain may be caused from eating nightshades, try omitting them from your diet for one-to-two weeks. If you notice a difference, you may be sensitive to solanine. If you don't notice a difference, nightshades are not a problem for you!

Resources:

http://en.wikipedia.org/wiki/Nightshades

Nutrition Data Blog – Nightshades: Unfairly Accused?

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#1

Re: Have You Been Eating Your Nightshades?

03/23/2010 5:04 AM

Tomatoes ("love apples") were once thought to be inedible, I have read. Italians and Mexicans might beg to differ, but there may have been historic cases of allergy that led to such a fear. Similar to rhubarb, which must be cooked to neutralize the oxalic acid. A lot of this boils down to individual differences among consumers, some of whom might be quite sensitive to foods that are fine for others. Sometimes the food itself might not be the problem, but rather molds or fungi that might be present but not obvious.

(Aren't belladonna and foxglove (digitalis) also in this group?)

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#2
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Re: Have You Been Eating Your Nightshades?

03/23/2010 8:34 AM

Belladonna was known as Deadly Nightshade when I was a kid, back in the UK.

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#3

Re: Have You Been Eating Your Nightshades?

03/23/2010 2:57 PM

Nice Post Jaxy. It inspired me to read a little about Nightshade.

I found a bit on the darker side of Nightshade, Atropa Belladonna, which is very toxic and has been used as a poison for maybe thousands of years. It's an interesting name, Atropos apparently being the one of the three fates who choose the method and time of each persons death, and Belladonna meaning "beautiful lady", a possible reference to the Italian saying "do not betray a beautiful lady" or because it was used as a cosmetic.

Hamlet is have said to have used it during a truce to sicken an invading English army and then force them to retreat (they were too sick to fight).

Pretty cool stuff.

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#4
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Re: Have You Been Eating Your Nightshades?

03/23/2010 10:55 PM

The nightshade family have many uses. I think it is deadly nightshade that has three active ingredients that together cause death, but separated and used appropriately have found use in controlling heart and related problems. Other members have similar useful properties.

It seems most of the family have toxic content of one sort or another, eg. the green parts of tomatoes and potatoes, Datura etc.

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#5

Re: Have You Been Eating Your Nightshades?

03/24/2010 1:55 AM

Thanks very interesting info. We have a child after eating tomatos became hyper active can we say this from the toxin or he is sensitive to tomato.

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