Tuesday, July 12, 2016

If I'm allergic to coconut, am I allergic to BABASSU?

Many people have asked the question, "If I am allergic to coconut, then how likely am I to be allergic to _________".    Fill the blank with things like palm oil, dates, babassu oil, or even pineapple.  We start to fear anything that grows on a palm-ish looking tree.

Well, it depends.  Let's do a little elementary taxonomy lesson before I tell you about my personal experience.

All living things are grouped into categories.  This method of grouping is called taxonomy.

When we talk about foods and anything that grows, it is all in the plant kingdom (plantae).  There are a zillion different kinds of plants, and out of those there are tons that we eat.  Botatnists can map them out into smaller and smaller groups depending on their genetic makeup.

For example, you may have heard that potatoes, eggplant, and tomatoes are all in the nightshade family (Solanaceae).  It is extremely rare to be allergic to all nightshades.  (As an unrelated side note, nightshade intolerance is more common.)

Different tree nuts are all in the same family and class, but are different orders.  Yet, busy allergists commonly mix all the nuts together into "tree nuts" and tell patients to avoid all of them.  People who are allergic to one tree nut are very commonly allergic to one or more others.

Palm is a family called Arecaceae.  Try spelling that without looking!  Coconut is in this palm family along with things like date palms, which are in a different genus.

Let's now compare Coconut (Cocos Nucifera) vs. Babassu (Attalea Speciosa).  They are not only in the same order, but are in the same subfamily and tribe, which aren't shown on my chart but are specific subcategories that come before genus.  Babassu is basically coconut's closest plant relative.

Cocos Nucifera (Coconut) is in the center, Attalea Speciosa (Babassu) is right above it!

I have been sent several samples by three different unrelated companies to try products with babassu oil.  Two of them claim "coconut free!" on their websites.  However, I have had powerful allergic reactions to them every time.  However, I do not have reactions to many products containing palm oil, which is also in the same genus and tribe.  Palm oil is tricky because it can be sourced from all different kinds of palms.  I have occasionally reacted if I eat a product with a lot of it.  I would never attempt to eat hearts of palm.  No thank you.

In summary:
YES, if you are allergic to coconut you will most likely be allergic to babassu.
It is somewhat likely you will react to palm.
It is unlikely that you will be allergic to dates.

You absolutely should not be allergic to pineapple unless it's an unrelated allergy.

I welcome feedback from people who are actual botanists, of course!  My knowledge of nomenclature is admittedly primitive.


Therenothere said...

My allergist confirmed my coconut allergy and decided to take my word for it that I'm also allergic to palm, though my reaction is more mild than my coconut and peanut reactions. Recently I had to touch hearts of palm while giving it to my son and apparently just touching it gave me a terrible reaction, as if I'd eaten it. We're going to throw the container away!

Anonymous said...

As I have aged I have become allergic to palm oil. My palm and coconut allergy are relatively mild but I make every effort to avoid both. The palm oil makes it extremely difficult to eat anyone else's cooking because almost everyone uses margarine. Call me crazy but I can smell coconut in the margarine.

Unknown said...

Went to the allergy doctor and my toddler is allergic to coconut and pineapple

Momof6 said...

I am allergic to Coconut, almonds, and macadamia nuts and my allergist told me to be careful with all nuts as time goes on. Wondering the connection for them all.

SRUN POR said...

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Anonymous said...

I am allergic to all ingested ( not topical ) coconut products including the oils. I also react to some palm oil products, many tree nuts, and some other foods ( tomatoes, mangos, strawberries ). Unfortunately, my allergist was unable to help me determine what I was causing the allergies due to many false positives. My allergies started when I was 45, sixteen years ago and it took over 3 years to figure out what cause my reactions. Thank you for this blog,
Am I correct in understanding that coconut and tree nut allergies are separate and not the same allergens?

Anonymous said...

Hi. Thanks so much for this post and blog. for my first bar of babussu soap i was fine (and oh so happy!). Then started recting and could no longer use. You mentioned palm oil under the probably reqct category. Would you distinguish between palm kernal oil and pamn oil? Are they both equally risky in cononut allergies? I am hoping to use palm kernal oil to make my own suppositories...btw, ingesting Two drops of MTC oil got be incredibly ill. Since that means i still react without the lauric acid of coconuts i am wondering if that means straight lauric acid would be safe??would love to get your thoughts. I am fine with fresh dates just as u predict. I have allergy to coconut both as ingested and tooical, even just the oil.

Anonymous said...

Ps. The primary question iwas meant to be. The predicted cross reativity of coconut with palm kernal oil vs palm oil. Thanks. The others were just bonus questions. :)

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