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Thread: Shelf life of syrup at room temperature

  1. #1
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    Default Shelf life of syrup at room temperature

    Just got an email from a customer that purchased quite a bit of gift size syrup containers before the pandemic hit,he is curious about shelf life in their office at room temperature. I personally think it should be okay as long as it isn’t in sunlight. Hot packed in glass bottles,40 ml to 100 ml. Thoughts? Thanks
    7th generation maple producer in sugarhouse built in 1892
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  2. #2
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    i have nips and sample bottles from before i was born. im 46................
    Fred Ahrens
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  3. #3
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    As long as it's not in direct sunlight it will still be good until well after the pandemic is over.
    Russ

    "Red Roof Maples" Where the term "boiling soda" was first introduced to the maple world!

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  4. #4
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    I have syrup packed in glass from 2004-5, still good. In plastic it would only be OK for about 7-8 mos, glass lasts a real long time.
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
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  5. #5
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    Quote Originally Posted by maple flats View Post
    I have syrup packed in glass from 2004-5, still good. In plastic it would only be OK for about 7-8 mos, glass lasts a real long time.
    I cracked open a plastic jug last weekend that was 4 years old and it was fine.
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  6. #6
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    Quote Originally Posted by maple flats View Post
    I have syrup packed in glass from 2004-5, still good. In plastic it would only be OK for about 7-8 mos, glass lasts a real long time.
    Quote Originally Posted by mainebackswoodssyrup View Post
    I cracked open a plastic jug last weekend that was 4 years old and it was fine.
    Last year I removed some plastic jugs of golden from my shelves that was almost 4 years old and repacked it in a drum to bring to Bruce. Every one of them tasted as good as it did the day that it was packed.
    Russ

    "Red Roof Maples" Where the term "boiling soda" was first introduced to the maple world!

    1930 Ford Model AA Doodlebug tractor
    A couple of Honda 4 wheelers
    Four chainsaws and no chickens!

  7. #7
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    Maple syrup from commercial packers typically is stamped with a shelf life of 18 or 24 months regardless of the type of container it is packed in. Realistically, there is little change in flavor while in a sealed plastic or glass container. In plastic jugs the syrup will darken (slowly in coated jugs, much faster in uncoated jugs) due to oxygen permeation through the plastic. In metal (depending on the construction, presence or absence of an internal coating), syrup can take on a metallic taste over a prolonged period of time, but color tends to be stable.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

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