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Thread: Vacuum boiled Maple Syrup.

  1. #31
    Join Date
    Feb 2014
    Location
    Mason, New Hampshire
    Posts
    156

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    So I finally had a chance to taste the syrups on waffles and I think I need to heat them up to help the sugar sands precipitate out. The maple syrup had a mineral flavor, sort of like those vitamins your mother used to give you as a kid. The birch syrup had a fruity flavor, however the initial overwhelming flavor was metallic. The interior of the machine was plastic and enamel so I know it wasn't from that. Although the birch syrup seems more acid than maple and can probably pick up metal ions more easily.

  2. #32
    Join Date
    Mar 2015
    Location
    Alcona County, Michigan
    Posts
    1,134

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    So now the questions are how much heat and how to apply it. If you heat it with hot metal you'll caramelize the sugars on the metal. If you heat it with an intermediate liquid through a heat exchanger (double boiler), you can stay below the critical temps, but will that cause the bad tastes to precipitate out? Interesting experiment.
    CE
    44° 41′ 3″ N

    2019 -- 44 Red Maples - My home and sugarbush are for sale.
    2018 -- 48 Red Maples, 7 gallons
    2017 -- 84 Red Maples, 1 Sugar Maple, and 1 Silver Maple , 13 gallons
    2016 -- 55 Red Maples, 8 gallons
    2015 -- 15 Red Maples, 6 Birches - 3+ gallons maple syrup
    An awning over my deck is my sugar shack.
    An electrified kitchen sink and an electrified steam table pan are my evaporators.

  3. #33
    Join Date
    Feb 2014
    Location
    Mason, New Hampshire
    Posts
    156

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    I'll probably do some kind of makeshift double boiler setup.

  4. #34
    Join Date
    Mar 2018
    Location
    Two Harbors, Minnesota
    Posts
    117

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    How many CFM was your vacuum? How many inches of Hg were you able to maintain during this process?
    2016- 32 taps, 3 1/2 gallons
    2017- 150 taps, 13 gallons after building an evaporator
    2018- goal is 240+ taps. 20+ gallons.
    2018 Reality- 235 taps, 5 gallons of syrup. Average 50 birch taps and 3 gallons of syrup.
    2019- 180 maple taps, 20 gallons of finished syrup.
    ~ 160 birch taps, 13 finished gallons of syrup.

    Latitude 47.278150

    www.facebook.com/livingoffmyland2015

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