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Tira



Registered: 11/20/10
Posts: 1,202
Loc: Turkey
Last seen: 6 years, 3 months
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Does mycelium consume the food coloring in agar?
#23719728 - 10/08/16 02:39 PM (7 years, 3 months ago) |
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Can discoloration in food-dyed agar happen because of mycelium consuming it or is it always an indicator of presence of bacterial contamination?
This is what I'm talking about -this one is clearly bacterial but I'm asking if it can also happen because of mycelium?:
-------------------- Useful Links for Beginners The Basics AMU Teks Frank''s Teks Agar Noob Forum Reccomended Teks Agar for guaranteed spawn, Proper pasteurization for guaranteed substrate.
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mushboy
modboy



Registered: 04/24/05
Posts: 32,281
Loc: where?
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Re: Does mycelium consume the food coloring in agar? [Re: Tira]
#23719737 - 10/08/16 02:41 PM (7 years, 3 months ago) |
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the older the plate to dimmer the coloring.
too bad we cant grow green/blue/red shrooms from the consumption of food coloring.
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Tira



Registered: 11/20/10
Posts: 1,202
Loc: Turkey
Last seen: 6 years, 3 months
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Re: Does mycelium cause discoloration in food-dyed agar? [Re: mushboy]
#23721201 - 10/09/16 03:58 AM (7 years, 3 months ago) |
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So, discoloration alone is not an indicator of bacteria? Can it even happen if there is only cubensis mycelium present on the agar?
-------------------- Useful Links for Beginners The Basics AMU Teks Frank''s Teks Agar Noob Forum Reccomended Teks Agar for guaranteed spawn, Proper pasteurization for guaranteed substrate.
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wtfcrazymofo
foil hater



Registered: 07/26/15
Posts: 1,201
Loc: Colonial alley
Last seen: 12 hours, 26 minutes
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Re: Does mycelium consume the food coloring in agar? [Re: Tira]
#23721238 - 10/09/16 04:52 AM (7 years, 3 months ago) |
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Mycelium eats color and stays white.
-------------------- If you want to eat->https://www.shroomery.org/forums/showflat.php/Number/8553541 Bag sealers are to bulky (my hood isn't that big) https://www.shroomery.org/forums/showflat.php/Number/28622922
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CosmoKramer
The Assman

Registered: 06/22/16
Posts: 555
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Re: Does mycelium consume the food coloring in agar? [Re: wtfcrazymofo]
#23723691 - 10/09/16 09:13 PM (7 years, 3 months ago) |
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A slight faded discoloration is normal around healthy growth as it consumes the colored agar. However discoloration within the growth could be a sign of bacteria.
-------------------- "Get yourself some vitamin C with rose hips and bioflavonoids."
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Mad Season
hookers and blackjack



Registered: 09/16/12
Posts: 12,666
Loc: Canada
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Re: Does mycelium consume the food coloring in agar? [Re: CosmoKramer]
#23723694 - 10/09/16 09:14 PM (7 years, 3 months ago) |
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Thedillestpickle
cultured



Registered: 02/02/16
Posts: 1,170
Loc: Canada
Last seen: 3 years, 7 months
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Re: Does mycelium consume the food coloring in agar? [Re: Mad Season]
#23723988 - 10/09/16 11:27 PM (7 years, 3 months ago) |
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I had some 4 month old plates that were the same blue as the day I made them. So it doesn't seem to fade with time, only with consumption from mycelium or contaminants.
It would be cool to make a blue LC... too bad the color would get eaten up so that wouldn't actually work.
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