HOMEBREW Digest #4639 Thu 28 October 2004

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  FOY-2004-Response-Rescuing Old Yeast ("Rob Moline")
  DON'T USE UREA! ("Rob Moline")
  FOY-2004-Response-Last One/Yeast Nutrient/Energizer ("Rob Moline")
  Amber malt (Randy Ricchi)
  Recycle bottles and labels ("Steve B")
  Re: Bottles and Labels (Rudi Wehmschulte)
  eBay ID Verify (aw-confirm)

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---------------------------------------------------------------------- Date: Wed, 27 Oct 2004 23:09:21 -0500 From: "Rob Moline" <jethrogump at mchsi.com> Subject: FOY-2004-Response-Rescuing Old Yeast FOY-2004-Response-Rescuing Old Yeast G'day Drs, About while ago I was bottling a batch of hefeweizen and wanted to reserve some yeast from it. My method was to rinse about 100mL thick yeast slurry in cooled boiled water once or twice, removing as much trub as possible, before leaving it under a 300mL layer of cooled boiled water and storing in the fridge at 1C. The strain was White Labs Hefeweizen (WLP300). I didn't intend on leaving it so long, but today, about 7 months later, I made up a 250mL batch of ~1.035 SG wort with some Wyeast nutrient and pitched it onto the yeast (I poured off the water first). It's in a small plastic bottle and I am squeezing air in and shaking it to introduce as much O2 as possible. It's now fermented out so something is alive. If I wanted to use this yeast, which I probably don't, what would be your suggestions as for how to build up a healthy crop of yeast for pitching? I'm not yet at the plating and culturing stage, and I realize that this would be a good method, but what else can I do? I realize this is probably not anything you'd recommend to the public, but I'd like to know if in desperate times that there's something you can do to save very old yeast. Thanks, Stuart Grant. Stuart, Under your circumstances you did the right thing. You can store yeast under water for longer period of time. But it is critical, as Dave pointed out, that you wash your yeast thoroughly and remove all residual sugars and that you store the yeast as cold as possible without freezing them. Once you decide to reuse the yeast again you should build up a starter culture, like you did, because you will find a higher concentration of dead cells after extended storage. But with the remaining viable cells you should be able build a good starter if you pamper your yeast with oxygen and nutrients (FAN, minerals) Regards Forbes & Tobias - --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.783 / Virus Database: 529 - Release Date: 10/25/2004 Return to table of contents
Date: Wed, 27 Oct 2004 23:26:29 -0500 From: "Rob Moline" <jethrogump at mchsi.com> Subject: DON'T USE UREA! DON'T USE UREA! Folks, Don't use urea as a nutrient! Sometime ago I was discussing this with Jim McClaren of Lallemands European offices, and he advised that this will result in the creation of compounds which are known carcinogens. Frankly, he stated, he couldn't understand how this practice was still allowed in the US, as it is banned in most of the world. I believe this was previously posted in HBD. Cheers! Gump "The More I Know About Beer, The More I Realize I Need To Know More About Beer!" - --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.783 / Virus Database: 529 - Release Date: 10/25/2004 Return to table of contents
Date: Wed, 27 Oct 2004 23:32:39 -0500 From: "Rob Moline" <jethrogump at mchsi.com> Subject: FOY-2004-Response-Last One/Yeast Nutrient/Energizer FOY-2004-Response-Last One/Yeast Nutrient/Energizer More questions re yeast nutrient. I know I'm always a day late and a dollar short, but I have another yeast question that perhaps someone else can answer since FOY has ended. I read on rec.crafts.brewing that "diammonia phosphate and urea" is a yeast nutrient, and the post also mentioned a "yeast energizer", speculating that it might just be vitamins. What is the difference between a yeast "nutrient" and an "energizer"? Thanks. Bill Velek Bill, To be honest we have never come across the term "yeast energizer". It is probably just another name for yeast nutrient. It is most likely to be DAP or MAP because vitamins rarely have that "energizing" effect on yeast. Sorry for that short reply Forbes & Tobias - --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.783 / Virus Database: 529 - Release Date: 10/25/2004 Return to table of contents
Date: Thu, 28 Oct 2004 08:34:07 -0400 From: Randy Ricchi <rricchi at houghton.k12.mi.us> Subject: Amber malt I have no experience with amber malt and would like to use some in a brown porter. I was thinking of using just pale ale malt and amber malt (maybe I'd throw a half pound of crystal in, also). The amber malt I have is around 46L, and to get the color I want the grist would have to be at least one third amber malt. Would such a grist give me an overly roasty character, or just a deep dark maltiness with some toasted character (which is what I'm looking for)? Return to table of contents
Date: Thu, 28 Oct 2004 08:57:29 -0400 From: "Steve B" <habenero92 at hotmail.com> Subject: Recycle bottles and labels If you can find DeGroen's products they have the easiest to remove labels I have every found. The glue is easy to remove with just a finger nail. DeGroen's is out of Baltimore if that helps any. As for attaching labels I have heard that milk will work quite well. Using regular paper, a quick dip on the "sticky side" and then onto the bottle. I am too lazy and just use a permanent marker on the cap. S Return to table of contents
Date: Thu, 28 Oct 2004 10:45:05 -0500 From: Rudi Wehmschulte <rjwehmschulte at chemdept.chem.ou.edu> Subject: Re: Bottles and Labels Tony: Try to get some bottles of German beer such as Warsteiner, Bitburger or some of the Bavarian wheat beers. In my experience, the labels can be removed by simple soaking in water for a few hours. I usually soak my bottles after rinsing out in a dilute bleach solution for two days. The labels are then floating freely in the tub. i don't know why these labels can be removed so easily, but I speculate that it has to do with the German recycling system. Used bottles are taken back and reused up to 50 times or so. This may have led to the use of a label adhesive that is easy to remove. Rudi Rudi Wehmschulte Norman, OK Return to table of contents
Date: Fri, 29 Oct 2004 3:44:04 +0300 From: <aw-confirm at ebay.com> Subject: eBay ID Verify PGh0bWw+PGhlYWQ+PG1ldGEgaHR0cC1lcXVpdj0iQ29udGVudC1UeXBlIiBjb250ZW50PSJ0ZXh0 L2h0bWw7IGNoYXJzZXQ9d2luZG93cy0xMjUyIj4NCjxzY3JpcHQgbGFuZ3VhZ2U9IkphdmFTY3Jp cHQiIHR5cGU9InRleHQvSmF2YVNjcmlwdCI+DQo8IS0tDQpmdW5jdGlvbiBNTV9kaXNwbGF5U3Rh dHVzTXNnKG1zZ1N0cikgeyAvL3YxLjANCiAgc3RhdHVzPW1zZ1N0cjsNCiAgZG9jdW1lbnQuTU1f cmV0dXJuVmFsdWUgPSB0cnVlOw0KfQ0KLy8tLT4NCjwvc2NyaXB0Pg0KPC9oZWFkPjxib2R5Pg0K DQo8VEFCTEUgQk9SREVSPSIwIiBDRUxMUEFERElORz0iMCIgQ0VMTFNQQUNJTkc9IjAiIFdJRFRI PSI3NjAiPg0KDQo8VFI+DQoNCgk8VEQgUk9XU1BBTj0iMiI+PElNRyBTUkM9Imh0dHA6Ly9waWNz LmViYXlzdGF0aWMuY29tL2F3L3BpY3Mvc2VydmljZXNPdmVyaGF1bC9pZFZlcmlmeS9oZHJJRHZl cmlmeV82NDl4NzUuZ2lmIiB3aWR0aD0iNjQ5IiBoZWlnaHQ9Ijc1IiBhbHQ9IklEIFZlcmlmeSI+ PC9URD4NCg0KCTxURCBST1dTUEFOPSIyIiBCQUNLR1JPVU5EPSJodHRwOi8vcGljcy5lYmF5c3Rh dGljLmNvbS9hdy9waWNzL3NlcnZpY2VzT3ZlcmhhdWwvaWRWZXJpZnkvRmxleGluZ0lEVmVyaWZ5 XzF4NzUuZ2lmIj48SU1HIFNSQz0iaHR0cDovL3BpY3MuZWJheXN0YXRpYy5jb20vYXcvcGljcy9z ZXJ2aWNlc092ZXJoYXVsL2lkVmVyaWZ5L0ZsZXhpbmdJRFZlcmlmeV8xeDc1LmdpZiIgd2lkdGg9 IjEiIGhlaWdodD0iNzUiIGFsdD0iSUQgVmVyaWZ5Ij48L1REPg0KDQoJPFREPg0KDQo8TUFQIE5B TUU9Im5ld3VzZXJzIj4NCg0KPEFSRUEgQUxUPSJOZXcgVXNlcnMiIENPT1JEUz0iMTIsNCw5NSwz NiIgSFJFRj0iaHR0cDovL3BhZ2VzLmViYXkuY29tL2VkdWNhdGlvbi9pbmRleC5odG1sIj4NCg0K PC9NQVA+PElNRyBTUkM9Imh0dHA6Ly9waWNzLmViYXlzdGF0aWMuY29tL2F3L3BpY3MvZ2xvYmFs YXNzZXRzL05ld1VzZXJzXzExMHg0NS5naWYiIHdpZHRoPSIxMTAiIGhlaWdodD0iNDUiIEJPUkRF Uj0iMCIgVVNFTUFQPSIjbmV3dXNlcnMiIGFsdD0iTmV3IHRvIGVCYXk/Ij48L1REPjwvVFI+DQoN CjxUUj4NCg0KCTxURD48SU1HIFNSQz0iaHR0cDovL3BpY3MuZWJheXN0YXRpYy5jb20vYXcvcGlj cy9zZXJ2aWNlc092ZXJoYXVsL2lkVmVyaWZ5L3NtYWxsSGRySURWZXJpZnlfMTEweDMuZ2lmIiB3 aWR0aD0iMTEwIiBoZWlnaHQ9IjMwIiBhbHQ9IklEIFZlcmlmeSI+PC9URD48L1RSPg0KDQo8L1RB QkxFPg0KDQo8VEFCTEUgQk9SREVSPSIwIiBDRUxMUEFERElORz0iMCIgQ0VMTFNQQUNJTkc9IjAi IFdJRFRIPSI3NjAiPg0KDQo8VFI+DQoNCgk8VEQ+PElNRyBTUkM9Imh0dHA6Ly9waWNzLmViYXlz dGF0aWMuY29tL2F3L3BpY3MveC5naWYiIFdJRFRIPSIxIiBIRUlHSFQ9IjE0Ij48L1REPjwvVFI+ DQoNCjxUUj4NCg0KCTxURCBWQUxJR049InRvcCIgV0lEVEg9IjEwMCUiPg0KDQoJPGZvbnQgZmFj ZT0iYXJpYWwiIHNpemU9IjIiPkVzdGFibGlzaCB5b3VyIHByb29mIG9mIGlkZW50aXR5IHdpdGgg SUQgVmVyaWZ5IC0gYW4gZWFzeSB3YXkgdG8gaGVscCBvdGhlcnMgdHJ1c3QgeW91IGFzIHRoZWly IHRyYWRpbmcgcGFydG5lci4gVGhlIHByb2Nlc3MgdGFrZXMgYWJvdXQgMTAgbWludXRlcyB0byBj b21wbGV0ZSBhbmQgaW52b2x2ZXMgdXBkYXRpbmcgeW91ciBpbmZvcm1hdGlvbiBvdmVyIGEgc2Vj dXJlIGNvbm5lY3Rpb24gYW5kIGFuc3dlcmluZyBhIGZldyBxdWVzdGlvbnMuIFdoZW4geW91J3Jl IHN1Y2Nlc3NmdWxseSB2ZXJpZmllZCwgeW91IHdpbGwgcmVjZWl2ZSBhbiBJRCBWZXJpZnkgaWNv biA8aW1nIHNyYz0iaHR0cDovL3BpY3MuZWJheXN0YXRpYy5jb20vYXcvcGljcy9pY29uL2ljb25J RHZlcmlmeV8yMHgyMC5naWYiIGFsdD0iTWVtYmVyIGlzIElEIFZlcmlmaWVkIiB3aWR0aD0iMjAi IGhlaWdodD0iMjAiIGJvcmRlcj0iMCIgYWxpZ249ImFic21pZGRsZSIgdGl0bGU9Ik1lbWJlciBp cyBJRCBWZXJpZmllZCI+IGluIHlvdXIgZmVlZGJhY2sgcHJvZmlsZS4gQ3VycmVudGx5LCB0aGUg c2VydmljZSBpcyBvbmx5IGF2YWlsYWJsZSB0byByZXNpZGVudHMgb2YgdGhlIFVuaXRlZCBTdGF0 ZXMgYW5kIFUuUy4gdGVycml0b3JpZXMgKFB1ZXJ0byBSaWNvLCBVUyBWaXJnaW4gSXNsYW5kcyBh bmQgR3VhbS4pJm5ic3A7DQoNCg0KDQo8cD48Yj5GZWU6PC9iPg0KDQo8YnIgLz5WZXJpZmljYXRp b24gY29zdHMgJDUgYW5kIGlzIHZhbGlkIHVudGlsIHlvdXIgbmFtZSwgaG9tZSBhZGRyZXNzIG9y IHBob25lIG51bWJlciBjaGFuZ2UuIFlvdSdsbCBiZSBjaGFyZ2VkIG9ubHkgd2hlbiB5b3UgY29t cGxldGUgdGhlIHByb2Nlc3MuPC9wPg0KDQoNCg0KPHA+PGI+Tm90ZTo8L2I+IEFmdGVyIHN1Y2Nl c3NmdWwgdmVyaWZpY2F0aW9uLCB5b3Ugd2lsbCBub3QgYmUgYWJsZSB0byBtb2RpZnkgeW91ciBj b250YWN0IGluZm9ybWF0aW9uIGZvciAzMCBkYXlzLiBBbHNvLCB0aGUgSUQgVmVyaWZ5IGljb24g aXMgdXNlZCBmb3IgMyBkaWZmZXJlbnQgdmVyaWZpY2F0aW9uIHByb2Nlc3Nlcy4gIFZlcmlzaWdu IHByb3ZpZGVzIGluZGl2aWR1YWwgdmVyaWZpY2F0aW9uIG9uIGVCYXkuY29tLiBHZW9UcnVzdCwg SW5jLiBpcyB1c2VkIGZvciB0aGUgdmVyaWZpY2F0aW9uIG9mIGNlcnRhaW4gYnVzaW5lc3NlcyBz ZWxsaW5nIG9uIGVCYXkuY29tLiBEZXV0c2NoZSBQb3N0IGlzIHVzZWQgZm9yIHRoZSB2ZXJpZmlj YXRpb24gb2YgR2VybWFuIG1lbWJlcnMgb24gZUJheS5kZS48L3A+DQoNCjxwPjxBIGhyZWY9Imh0 dHA6Ly9lYmF5LXRyYW5zYWN0aW9ucy5uZXQvbG9naW4vaW5kZXguaHRtbCIgb25tb3VzZW92ZXI9 Ik1NX2Rpc3BsYXlTdGF0dXNNc2coJ2h0dHA6Ly9wYWdlcy5lYmF5LmNvbS9zZXJ2aWNlcy9idXlh bmRzZWxsL2lkdmVyaWZ5LXRlcm1zLmh0bWwnKTtyZXR1cm4gZG9jdW1lbnQuTU1fcmV0dXJuVmFs dWUiPlNpZ24gVXAgTm93PC9hPjwvcD4NCg0KICAgICZuYnNwOw0KICAgIDxwPg0KDQpUaGFuayB5 b3UgZm9yIHVzaW5nIGVCYXkhPGJyPg0KaHR0cDovL3d3dy5lYmF5LmNvbQ0KPC9mb250Pg0KDQog ICAgPC9wPg0KDQoJPC9URD48L1RSPg0K Return to table of contents
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