Nettle Beer

topic posted Sat, October 24, 2009 - 12:20 PM by  Morchú
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So Hugh Fearnley-Whittingstall posted this as a recipe for nettle beer on his web site (address below) and I'm in the process of preparing it now (cooling the "tea") so thought I would post it here and see if anyone has any other ideas for nettle beer/wine. It's pretty basic, but I never thought of nettles as anything other than a tea / fried greens plant (apart from the fact that they are seriously painful if touched the wrong way). I toyed with the idea of using honey instead of casting sugar, but my wife impressed on me the wisdom of trying it "his way" before I started tampering with it.

Here's the recipe (it's from the UK, so note measurement differences):

Ingredients:
6 litres water
A small carrier bag of nettle tops, washed
Juice of 1 lemon, strained
Juice of 1 orange, strained
750g caster sugar
30g cream of tartar
5g yeast

Method: How to make nettle ale
1. Bring the water to the boil in a large pan.
2. Add nettles, stir, then remove the pan from the heat and leave to infuse for at least an hour until it is at
blood temperature.
3. Carefully - you might want to enlist a helper at this point - strain the nettle liquid through a colander
lined with a large piece of unbleached muslin into a large brewing bucket or pan. Once the liquid has
filtered through, squeeze the muslin to get the maximum amount of liquid into the bucket.
4. Gradually add the sugar, stirring constantly to ensure it is thoroughly dissolved, then add the cream of
tartar, and lemon and orange juice.
5. Finally, once the mixture is tepid, stir in the yeast. Cover and leave for 2-3 days in a warm place, until
it's obviously fermenting.
6. Remove any scum which has risen to the top in fermentation and siphon the beer into sterilised bottles
and seal with corks.
7. Leave for at least a couple more days or up to a month before drinking.


www.channel4.com/food/reci...e_p_1.html
posted by:
Morchú
United Kingdom
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  • Re: Nettle Beer

    Sat, October 24, 2009 - 6:49 PM
    How do you ensure that the starches have been converted to fermentable sugars?
    Do you do a starch test?
    Bacteria prefer starch.
    It's really important to know what your starch content is to ensure you have allowed the conversion.
    Even with nettles the seeds will have the enzymes that should produce the amalyase converting the starches if you mash it at the correct temperature.

    Of course you could use Koji during the mash and Bean-O in the ferment. Yes Bean-O, it's amalyase and will convert the starches to sugar.

    And the yeast: Bakers yeast tends to produce profoundly horrible hangovers.
    You might want to try a lager or a wine yeast.
    But to use them you need to convert the starches to sugars.


    I've had Hemp beer. It was pretty good. I imagine that nettlesd might make an interesting flavor component.
    • Re: Nettle Beer

      Sun, October 25, 2009 - 12:05 AM
      Ah, sorry. Stinging nettles. Lots of 'em. Urtica dioica (en.wikipedia.org/wiki/Stinging_nettle). Hugh specified brewer's yeast but suggested a champagne yeast after they'd made their batch on his show 'River Cottage Autumn'. For myself, I'm using an 'Ale Yeast' (the package specified S.B.12, but to be honest I'm not even sure what that refers to). I also used about a gallon of the tops for as much water, but I think I'd use a bit more in the future.

      As for starch, because the nettles are used to make an infusion with almost no transfer of plant matter into the fermenting fluid (there's no seeds to speak of and you strain the fluid through muslin - or an old pair of clean underwear in my case) there shouldn't be any starches at all. My concern wast that there would be no sugars to feed the yeast, but it seems that the caster sugar solves that problem, so your comment on nettle as a flavor component is well taken. That's all is seems to be in this recipe. Depending on how this first batch turns out, I think I may see what nettles add to mead. Thanks for the comments!
      • Re: Nettle Beer

        Sun, October 25, 2009 - 9:13 AM
        Straining does not remove starches.
        Soluable starches can only be removed by :
        (a)affinity bonding;
        (b) reverse osmosis;
        or the brewers method:
        (c) conversion.

        When you heat the seeds in a water medium there are enzymes in the seeds that will activate to convert the starches into sugars.
        You need to know what temperature to hold the mash at and for how long.

        Using modern Malts as a comparable entity is unhelpful because while the temperature regime is likely to be similar ( 151 - 152 Deg F) the time may be very different. Modern malts have a high diastatic factor and you can get a conversion in about 40 minutes. So most movern malts are mashed in only 75 minuts just to get all the starch converted.
        In years past this was not so cut and dried but thanks to selective3 breeding it is now.

        Nettles won't be nearly so friendly - - at least - - you can't know unless you are starch testing. And you have to crack the nettle seed grains to get the most effective release and conversion. A rolling pin and a hard surface will suffice for that.
        Wine beer and champagne yeasts don't eat starch. They like sugars.

        I can't even begin to guess what the citrus juices are contributing.
        I'll use some citrus peels and zest in my brews but have never used the juice of the citrus.

        As to your under wear filter. Well I suggest you just buy some cheap women's stockings. Boil 'em to get the factory blush out - it'll come out as an odor. then cut 'em and use 'em as sacks and filters.

        You can google "Build a Mash Tun" and learn all about making a mash tun.
        • Re: Nettle Beer

          Sun, October 25, 2009 - 9:37 AM
          Thanks for all the information! I'll be making a tun for sure. Til now I've only brewed beer from kits because the mash issue is so technical. Somehow meads seemed never so complex. This nettle business seemed likewise simple as it required no mash - the seeds never entered into it. I will certainly keep everything you've said in mind! Thanks!
          • Re: Nettle Beer

            Sun, October 25, 2009 - 12:04 PM
            Mashing is not complex. You only need to know a few things.
            The amount of knowledge you may choose to avail yourself of is enormous but you really don't need it.

            You can do all grain brewing knowing some very simple facts:
            Mash at about 151 - 152 Deg-F about 75 minutes is plenty
            Mash out at 168 for 15 minutes( it's just adding more hot water)
            Sparge is just a rinse cycle. you drain the wort off the tun leave the grain in and ass more hot water
            Let it steep for 15 - 30 minutes and drain that off.

            Hops are easy too. There's Hop charts all over the internet
            Sanitizing and sterilizing are important.
            Sterilize with boiling and also with bleach.
            Sanitize with a cheap product called Star San. The nicest thing about Star San is that you don't need it rinse it off. You can sanitize your bottles and fermenter and tools and just let the Star San solution run off and drain away and it won't hurt your brew.

            And get yourself a glass secondary fermenter. Those glass water bottle carboys you can get at flea markets are perfect.

            Get John Palmer's book it is available free on the web google his name.
            pretty much any question you have, he can answer.

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