The Chemist from Puerto Rico was Rafael Arroyo, he did great work.
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Search found 24 matches: Rafael Arroyo
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- Wed Feb 05, 2025 6:12 pm
- Forum: My First .....
- Topic: My first dunder pit (with a ?)
- Replies: 31
- Views: 4821
- Mon Apr 24, 2023 5:08 pm
- Forum: Rum
- Topic: "establishing the buffer"
- Replies: 17
- Views: 1647
"establishing the buffer"
Howdy y'all, I'm re-reading Arroyo's circular 106 on Rum manufacturing by Boston apothecary For those that haven't read it... https://www.bostonapothecary.com/circular-106-rum-manufacture-rafael-arroyo-1938/ Specifically on the pretreatment of raw materials. He recommends making ...
- Tue Mar 15, 2022 12:57 pm
- Forum: Mashing and Fermenting
- Topic: Boston Apothecary on Fission Yeast
- Replies: 32
- Views: 3924
Re: Boston Apothecary on Fission Yeast
... which I've resurrected, was the renowned laboratory analysis still of Rafael Arroyo. He died young and the design was lost for the last 60 years so it was never applied ...
- Tue Mar 15, 2022 9:15 am
- Forum: Whiskey
- Topic: OG tolerance of Still Spirits' whiskey yeast
- Replies: 14
- Views: 1874
Re: OG tolerance of Still Spirits' whiskey yeast
... Anyone doubting step feeding is encouraged to start their research with Rafael Arroyo's work from the 40's and continue up to Lellemand's current recommended protocols. Also, ...
- Tue May 05, 2020 7:07 am
- Forum: Rum
- Topic: Arroyo's book, Studies on Rum
- Replies: 15
- Views: 3353
- Thu May 09, 2019 4:35 am
- Forum: Research and Theory
- Topic: Clarification of wash before distilling - By Arroyo
- Replies: 42
- Views: 8120
Clarification of wash before distilling - By Arroyo
Stephen at Boston Apothecary nails a good article from Rafael Arroyo Arroyo 1941: The “Tufo” (stink) of Crude Rum https://www.bostonapothecary.com/arroyo-1941-the-tufo-stink-of-crude-rum/" ...
- Mon Sep 18, 2017 8:02 pm
- Forum: ** Welcome Center **
- Topic: Amateur Rum Distiller
- Replies: 11
- Views: 786
Re: Amateur Rum Distiller
Agreed with saltbush on this one. Rafael Arroyo wasn't using a pot still for his famous heavy rums. Lots of very flavorful rum has come out of ...
- Mon Sep 04, 2017 5:44 pm
- Forum: Wiki Editors
- Topic: Bibliography
- Replies: 13
- Views: 1858
Re: Bibliography
For some of the old PDF scans of things like Arroyo's "Lost Papers on Rum" are we ok posting the PDFs (not sure if ... if we were to lose papers also... Papers: https://www.bostonapothecary.com/rafael-arroyos-lost-papers-on-rum/" onclick="window.open(this.href);return ...
- Mon Sep 04, 2017 1:53 pm
- Forum: Wiki Editors
- Topic: Bibliography
- Replies: 13
- Views: 1858
Re: Bibliography
For some of the old PDF scans of things like Arroyo's "Lost Papers on Rum" are we ok posting the PDFs (not sure if ... bad if we were to lose papers also... Papers: https://www.bostonapothecary.com/rafael-arroyos-lost-papers-on-rum/" onclick="window.open(this.href);return ...
- Wed Jan 25, 2017 7:36 pm
- Forum: Recipe Development
- Topic: Panela goodness
- Replies: 539
- Views: 63140
Re: Panela goodness
Badmo - Can you point me towards the source for your Arroyo reference? https://www.bostonapothecary.com/wp-content/uploads/2016/03/A-new-rum-distillation-process-Rafael-Arroyo.pdf" onclick="window.open(this.href);return false;" rel="nofollow ...
- Fri May 30, 2014 2:06 pm
- Forum: Rum
- Topic: Rapid rum fermentation. ..
- Replies: 17
- Views: 6377
Re: Rapid rum fermentation. ..
... rums are from the tropics. Need to replicate that environment. Rafael Arroyo does specify fermentation temps within his paper how ever. Just did a search for Rafael ...
- Tue May 27, 2014 3:39 pm
- Forum: Rum
- Topic: Rapid rum fermentation. ..
- Replies: 17
- Views: 6377
Re: Rapid rum fermentation. ..
The most recognizable rums are from the tropics. Need to replicate that environment.
Rafael Arroyo does specify fermentation temps within his paper how ever.
Rafael Arroyo does specify fermentation temps within his paper how ever.
- Thu Jul 19, 2012 3:26 pm
- Forum: Resources and Reviews
- Topic: "Production of Heavy Rums" by Rafael Arroyo
- Replies: 3
- Views: 4154
Re: "Production of Heavy Rums" by Rafael Arroyo
Sure thing, guys. Happy to help out. 

- Thu Jul 19, 2012 2:55 am
- Forum: Resources and Reviews
- Topic: "Production of Heavy Rums" by Rafael Arroyo
- Replies: 3
- Views: 4154
Re: "Production of Heavy Rums" by Rafael Arroyo
Thank you, BB. Easier to read for my eyes. 

- Tue Jul 17, 2012 7:46 pm
- Forum: Resources and Reviews
- Topic: "Production of Heavy Rums" by Rafael Arroyo
- Replies: 3
- Views: 4154
Re: "Production of Heavy Rums" by Rafael Arroyo
Much obliged 

- Mon Jul 16, 2012 8:22 am
- Forum: Resources and Reviews
- Topic: "Production of Heavy Rums" by Rafael Arroyo
- Replies: 3
- Views: 4154
"Production of Heavy Rums" by Rafael Arroyo
... #2,386,924 entitled "Production of Heavy Rums" issued to Rafael Arroyo in 1943 floating around on the internet, but I have yet to find a copy in a computer-friendly ...
- Tue Oct 19, 2010 9:25 pm
- Forum: Rum
- Topic: Rum Theories
- Replies: 44
- Views: 11427
Re: Rum Theories
... Saccharobutyricum in order to develop the heavier rum flavors as per Arroyo. While actively fermenting, the bacteria in the mash work in unison ... to mention a fast ferment. Rum Cuts and Oils Investigating rum oils, Rafael Arroyo mentioned that the rum was separated into four fractions as ...
- Tue Oct 12, 2010 12:44 pm
- Forum: Rum
- Topic: Rum Theories
- Replies: 44
- Views: 11427
Rum Theories
... type, which is used for lambic style beers. For specifically rum, Rafael Arroyo recommends a strain of Schizosaccharomyces yeast. As far as I know, this yeast is not ...
- Sat Nov 14, 2009 9:15 pm
- Forum: Tried and True Recipes
- Topic: Hook Rum
- Replies: 351
- Views: 219751
Hook Rum
... let the rougher cuts smooth out. I used to do the 'rum oils' thing (see Arroyo & PugiRum below), but I don't anymore. To my taste most of the ... false;" rel="nofollow 'Production of Heavy Rum', by Rafael Arroyo (scroll down). http://distillers.tastylime.net/library/Listings2.htm#Articles%20Listings" ...
- Sat Nov 14, 2009 9:15 pm
- Forum: Tried and true recipe book
- Topic: Hook Rum
- Replies: 0
- Views: 726
Hook Rum
... let the rougher cuts smooth out. I used to do the 'rum oils' thing (see Arroyo & PugiRum below), but I don't anymore. To my taste most of the ... false;" rel="nofollow 'Production of Heavy Rum', by Rafael Arroyo (scroll down). http://distillers.tastylime.net/library/Listings2.htm#Articles%20Listings" ...
- Fri Sep 05, 2008 1:53 pm
- Forum: Rum
- Topic: Appletons Rum
- Replies: 23
- Views: 11120
Re: Appletons Rum
... comes over real late in the distilling, after the tails. If you look up Rafael Arroyo's rum studies in Puerto Rico, he suggests adding these fifth and sixth fractions that ...
- Thu Feb 07, 2008 10:32 am
- Forum: Tried and True Recipes
- Topic: Pugi's Rum or "Pugirum"
- Replies: 561
- Views: 287501
- Wed Nov 09, 2005 9:07 pm
- Forum: Rum
- Topic: Rum question
- Replies: 18
- Views: 6004
could try Rafael Arroyo's cuts.
http://distillers.tastylime.net/library/" onclick="window.open(this.href);return false;" rel="nofollow
Look under 'Articles'. "Production of Heavy Rum" by Rafael Arroyo[/quote] Harry Id read this before.Now thats a process
http://distillers.tastylime.net/library/" onclick="window.open(this.href);return false;" rel="nofollow
Look under 'Articles'. "Production of Heavy Rum" by Rafael Arroyo[/quote] Harry Id read this before.Now thats a process
- Mon Nov 07, 2005 3:42 am
- Forum: Rum
- Topic: Rum question
- Replies: 18
- Views: 6004