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pine nuts and bitter taste in mouth

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Hi CHers -- an odd question for you. I have been using Naturalife pine nuts in pesto and on soups and have realized over a few months that every time I eat them, a few days later I develop a bitter and unpleasant taste in my mouth every time I eat. Worried about this, I Googled bitter taste in mouth and found a TON of postings about pine nuts and this phenomenon -- very strange. One even mentioned the aforementioned brand. Has anyone else experienced this? I have read that it is caused by specific pine nuts from China which are not oxidized. The Naturalife nuts don't say where they are from unfortunately.

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  1. Pine nuts will go rancid; is it possible this has happened>

    1 Reply
    1. re: duckdown

      No -- they are fresh. And the bitter taste after eating thing lasts for a couple of weeks. Really odd.

    2. I've been hesitant to use pine nuts that are grown in China, Korea, Vietnam, etc, but it seems that pine nuts grown in North America and Europe are hard to find in TO. The last bag I bought from Costco were grown in China, and I've been using them sparingly. I haven't experienced any pine mouth, but I want to keep it that way;)

      Does anyone know where European grown pine nuts can be found in TO?

      http://www.epicurious.com/articlesgui...

      4 Replies
      1. re: phoenikia

        I just found this on Wikipedia -- if it's true that it's limited to certain brands of pine nuts I'd love to find ones that DO NOT cause this. It's really quite yucky.
        http://en.wikipedia.org/wiki/Pine_nut
        Risks of eating pine nuts
        A small minority of pine nuts can cause taste disturbances, developing 1–3 days after consumption and lasting for days or weeks. A bitter, metallic taste is described. Though very unpleasant, there are no lasting effects. This phenomenon was first described in a scientific paper in 2001.[8] Some publications have made reference to this phenomenon as "pine mouth".[9]

          1. re: phoenikia

            Wow -- the Ministry of Agriculture is actually testing pine nuts and is concerned about the problem. Pinemouth is terrible -- I had it on and off all summer when I used the same nuts to make pesto. I was pregnant at the time and thought I had acid. My husband had it too. I will not eat pine nuts again soon, that's for sure.

          2. re: Arcadiaseeker

            I have had Pinemouth. I had it about 5 months ago. It was f-ing horrible. I ate rancid pine nuts that where from Asia. I purchased them at Sugar and Spice in Kensington Market. Just for the record when I bought them they where fresh and of no fault of Sugar and Spice. I had the bitter metallic taste in my mouth after almost everything I ate. It lasted for 7 days. I will not eat anything with pine nuts again. Blueberries where the best thing I ate while having the probleme. I wouldn't wish Pine Mouth on anyone.

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