[SpaceProgram] You’ve been selected as Space Apps 2016 Top 25 People’s Choice: cress.space – a growing community
cksantos85 at gmail.com
Mon May 16 17:55:54 CEST 2016
Actually we took the DarPA money and the project was a great success.
On Monday, May 16, 2016, Michael P Weber II <michaelweberii at gmail.com>
> On Mon, May 16, 2016 at 3:05 AM, Michael Turner
> > Whether intentional or not, the choice of watercress could be very
> > space-relevant.
> > (1) Biosphere II saw the direct participation of the late Roy Walford,
> MD, a
> > pioneer self-experimenter in CRON (calorie restriction with optimal
> > nutrition) as a strategy for life extension. This research interested the
> > Biosphere II organizers because, in feeding long-duration space mission
> > participants, fewer calories eaten means, to a good first approximation,
> > less mass for the ecological life support system, leading to lower
> > cost, etc.
> > (2) Research into how CRON appears to increase lifespans (in part by
> > reducing cancer risk -- a big issue in space travel because of space
> > radiation) reveals that it's more about protein restriction than about
> > calorie restriction per se.
> > (3) Further research has suggested that it's specifically reduction of
> > methionine intake that is the main driver of life extension in CRON
> > presumably, lower cancer risk);
> > (4) High-glycine diets sop up excess methionine. (To be sure: methionine
> > an essential amino acid; glycine is not. But it seems that with
> > you can get too much of a good thing.)
> > (5) Watercress is very high in glycine, quite low in methionine.
> > might be ideal for offsetting the cancer risks from space radiation in
> > long-duration space missions.
> > I think a good next step in such work would be to try to optimize
> > production in an aeroponic rather than a hydroponic style. Hydroponics is
> > great, highly productive, but ... water is heavy. Aeroponics can give you
> > much of the benefit of hydroponics but with a fraction of the equipment
> > mass. Aeroponics should be more adaptable to low-g and microgravity
> > environments since it's not gravity-dependent -- it's basically just the
> > deposition of nutrient-enriched mist droplets on plant roots. Aeroponics
> > have gotten its start from NASA funding.
> > Regards,
> > Michael Turner
> > Executive Director
> > Project Persephone
> > K-1 bldg 3F
> > 7-2-6 Nishishinjuku
> > Shinjuku-ku Tokyo 160-0023
> > Tel: +81 (3) 6890-1140
> > Fax: +81 (3) 6890-1158
> > Mobile: +81 (90) 5203-8682
> > http://www.projectpersephone.org/
> > "Love does not consist in gazing at each other, but in looking outward
> > together in the same direction." -- Antoine de Saint-Exupéry
> > On Mon, May 16, 2016 at 4:35 PM, Michael Turner
> Are you going to take over the list then?
> SpaceProgram mailing list
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