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TedTheHighlighter
Cheshire Cat


Registered: 12/09/14
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Burst kernels?
#26419012 - 01/06/20 09:45 AM (4 years, 23 days ago) |
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So I attempted to cook up a batch of grains. Used whole oats from the feed store. Boiled them for ~35 mins before draining, shaking, and letting them dry for ~45 mins. Then loaded them up and pressure cooked them. I’m using an electric pressure cooker that seems to have a lowest pressure setting of “20”, which I can only assume is 20 psi. I’m also using pint jars rather than quart. I ended up pressure cooking them for ~1hr 25 mins
So from the looks of the grains, it looks like things went wrong. Looks like too much moisture and burst kernels? Maybe I boiled them too long? PCed them too long? Both? Thoughts? Thanks
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Growtech
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Registered: 11/09/19
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I really doubt the lowest setting on a pressure cooker would equate to 20psi. What’s the highest setting?
Something definitely doesn’t look right with that grain. Looks *way* too wet to me. What did they look like after you dried them between boil and PC?
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Diego


Registered: 12/30/19
Posts: 346
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Re: Burst kernels? [Re: Growtech]
#26419044 - 01/06/20 10:17 AM (4 years, 23 days ago) |
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20 psi is only for high altitudes like Denver. 15psi is what most use
-------------------- Some do it for the income But we do it for the outcome Some of us are active While others just let their mouths run - Chali 2na & Jurassic 5
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Psicomb



Registered: 01/13/18
Posts: 4,635
Loc: the womb
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Re: Burst kernels? [Re: Diego]
#26419055 - 01/06/20 10:28 AM (4 years, 23 days ago) |
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I would guess you boiled them too long. I dont use oats but it seems to me that would only happen if you overcooked the grains initially before running through the PC. The difference in temperature between 15 and 20 psi really isn't that big
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Diego


Registered: 12/30/19
Posts: 346
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Re: Burst kernels? [Re: Psicomb]
#26419068 - 01/06/20 10:38 AM (4 years, 23 days ago) |
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Overcooked for sure. If i heat up the pc too fast when hydrating popcorn this will happen.
-------------------- Some do it for the income But we do it for the outcome Some of us are active While others just let their mouths run - Chali 2na & Jurassic 5
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Diego


Registered: 12/30/19
Posts: 346
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Re: Burst kernels? [Re: Diego]
#26419071 - 01/06/20 10:39 AM (4 years, 23 days ago) |
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That's gonna be really startchy
-------------------- Some do it for the income But we do it for the outcome Some of us are active While others just let their mouths run - Chali 2na & Jurassic 5
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sh4d0ws
LSx


Registered: 02/26/08
Posts: 12,086
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Quote:
TedTheHighlighter said:

So I attempted to cook up a batch of grains. Used whole oats from the feed store. Boiled them for ~35 mins before draining, shaking, and letting them dry for ~45 mins. Then loaded them up and pressure cooked them. I’m using an electric pressure cooker that seems to have a lowest pressure setting of “20”, which I can only assume is 20 psi. I’m also using pint jars rather than quart. I ended up pressure cooking them for ~1hr 25 mins
So from the looks of the grains, it looks like things went wrong. Looks like too much moisture and burst kernels? Maybe I boiled them too long? PCed them too long? Both? Thoughts? Thanks
When I was trying out oats, I used to let my oats dry for like, 6-12 hours. Not exaggerating either. They retain a ton of moisture so I would make sure the outsides were completely dry before loading into jars. So from boil/simmer to strainers and it would sit for 6-12 hours before being loaded.
I don't use oats anymore because I had a lot of issues but biggest obstacle for me with oats was getting moisture right.
It's also possible the boil was too long. You might need to do it more by the texture and hardness of the grains rather than a timelimit
Also I would verify with the manual for your electric PC that the "20" setting indeed means PSI, just to make sure you are getting proper sterilization
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sporecap
Shedding...

Registered: 07/30/18
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Re: Burst kernels? [Re: sh4d0ws]
#26419135 - 01/06/20 11:17 AM (4 years, 23 days ago) |
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IMO this amount of liquid is too much to come just from hydrated grains. I suspect water entered your jars during PCing, what lids do you use? If the aluminum foil is touching the water surface it will pull in water, so raise up your jars until they are high enough. And I recommend getting a proper PC, this one will likely not get anywhere near 15psi
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TheStallionMang
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Registered: 10/18/17
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Re: Burst kernels? [Re: sporecap]
#26419144 - 01/06/20 11:25 AM (4 years, 23 days ago) |
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HamHead
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Re: Burst kernels? [Re: sporecap]
#26419151 - 01/06/20 11:29 AM (4 years, 23 days ago) |
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Quote:
sporecap said: IMO this amount of liquid is too much to come just from hydrated grains. I suspect water entered your jars during PCing, what lids do you use? If the aluminum foil is touching the water surface it will pull in water, so raise up your jars until they are high enough. And I recommend getting a proper PC, this one will likely not get anywhere near 15psi;)
I PC quart jars with water easily coming half way up a foil wrapped jar. No issues.
IME, over boiled grain leads to bursting.
-------------------- The Italian researchers’ findings, published by the INT’s scientific magazine Tumori Journal, show 11.6% of 959 healthy volunteers enrolled in a lung cancer screening trial between September 2019 and March 2020 had developed coronavirus antibodies well before February. https://www.reuters.com/article/us-health-coronavirus-italy-timing-idUSKBN27V0KF This online first version has been peer-reviewed, accepted and edited, but not formatted and finalized with corrections from authors and proofreaders https://www.icandecide.org/
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TedTheHighlighter
Cheshire Cat


Registered: 12/09/14
Posts: 490
Last seen: 2 months, 6 days
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Re: Burst kernels? [Re: sporecap]
#26419157 - 01/06/20 11:31 AM (4 years, 23 days ago) |
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Quote:
Growtech said: I really doubt the lowest setting on a pressure cooker would equate to 20psi. What’s the highest setting?
Something definitely doesn’t look right with that grain. Looks *way* too wet to me. What did they look like after you dried them between boil and PC?
The highest is 80 While it’s possible the grains were too wet, they passed the tissue paper test meaning they didn’t leave wet spots.
Quote:
sporecap said: IMO this amount of liquid is too much to come just from hydrated grains. I suspect water entered your jars during PCing, what lids do you use? If the aluminum foil is touching the water surface it will pull in water, so raise up your jars until they are high enough. And I recommend getting a proper PC, this one will likely not get anywhere near 15psi;)
You know what, I’m thinking you’re right. I didn’t do a great job of keeping foil high above the water
I’ll probably try boiling for 10-15 mins next time as well
-------------------- Alice asked the Cheshire Cat, who was sitting in a tree, “What road do I take?” The cat asked, “Where do you want to go?” “I don’t know,” Alice answered. “Then,” said the cat, “it really doesn’t matter, does it?”
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ComebackKid
Multispore Enthusiast



Registered: 05/27/16
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Re: Burst kernels? [Re: sporecap]
#26419167 - 01/06/20 11:36 AM (4 years, 23 days ago) |
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There should only be max a couple inches of water in your PC
Also make sure you're letting the temps and pressure drop gradually. (Overnight)
If you let pressure out quickly it can burst the grain. Although it looks like you loaded your jars sopping wet... either that your too kuch water in the PC and it's getting inside your jars
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Substrate surface conditions / Monotub prep and care
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TedTheHighlighter
Cheshire Cat


Registered: 12/09/14
Posts: 490
Last seen: 2 months, 6 days
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Okay, so I had to run an errand and now I’m back home and checked things out again... and 2 of the jars look fine. They have a normal moisture content, the grains broke up and crumbled with ease and don’t appear burst at all. And when dumping out the 2 jars that I first examined, the problem was just that the grains were soaked, not that they were burst. I just wasn’t sure of what I was looking at 
So I think we can come to the conclusion that water got inside a couple of the jars meaning I need to raise them up and use less water when PCing
-------------------- Alice asked the Cheshire Cat, who was sitting in a tree, “What road do I take?” The cat asked, “Where do you want to go?” “I don’t know,” Alice answered. “Then,” said the cat, “it really doesn’t matter, does it?”
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