Ideally you could use a very dense or very light substrate (hydrocarbons / cellulose) that something like a fungus could break down over a long period of time that a human couldn't digest. That way you can avoid storage and possible send a 'multi-use' item into space.
I haven't figured out if it's best to launch more light things or less heavy things (in the mass balance equation), but I'm assuming launching less quantity heavier things is better than more lighter things. I believe the new rockets have become so powerful that payload is less of an issue than actual volume limits.
The circular logic gets even more outstanding when you consider using something like rocket fuel as your substrate. Launching rocket fuel into space takes rocket fuel. The more rocket fuel you send, the more you need to get it there... not sure how it ends up working out, but the smaller the volume (more dense) the better.
-SG
On Wed, Apr 11, 2018 at 8:24 PM Daniel C. <dcrookston@gmail.com> wrote:
If you've got a substrate that mushrooms can eat, particularly if it's made of corn, why not just eat the substrate directly? Especially if we're talking about mushrooms in space, where everything has to be launched in the first place, why bother converting it from X to Y via a biological system when you could just launch Y?-DanOn Wed, Apr 11, 2018 at 12:08 AM, Skyler Gordon <skgor1@gmail.com> wrote:Commercial medical fungus are grown using blue corn mash, or something similar in nutrient density. The mycelium grow in autoclave bags, then the bags are cut and the 'mushrooms' grow out of the slits in the bag.
If it's the only thing you want to have in the diet, you're absolutely going to run into toxicity issues. Something you would have to determine based on the uptake of different minerals and vitamins from your substrate (see above).
So, something that might be too tricky to accomplish.
-SGOn Tue, Apr 10, 2018 at 8:59 PM Cory J. Geesaman <cory@geesaman.com> wrote:I was thinking just bags of sawdust like they use for growing mushrooms commercially.
On Tuesday, April 10, 2018 at 7:51:54 PM UTC-4, Jordan wrote:It is plausible, but I see two problems that would be very difficult to overcome at present. One individual metabolism, activity, and microbiome would likely make it impossible for a single source to provide ideal nutrition for any given individual. Especially considering that nutritional requirements change over time. The second thing is that the mineral values of a food source are dependent on the environment they are grown in, so you would need to craft a very specific growth media. If you grow this perfect food on something that is iron poor, then in turn your food would be iron deficient. Interesting idea!--
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