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BeerTools Discussion Forum • View topic - Yeast starter

Yeast starter

Brewing processes and methods. How to brew using extract, partial or all-grain. Tips and tricks.

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Yeast starter

Postby FrankieBoy007 » Sun Jan 20, 2008 11:41 am

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Postby jawbox » Sun Jan 20, 2008 12:29 pm



hopefully the link helps.
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Postby jawbox » Sun Jan 20, 2008 12:31 pm

Key nutrients include oxygen, zinc, amino acids, and nitrogen. Oxygen is one of the things many brewers ignore, yet it is critical to the survival and growth of yeast. You should do what you can to provide oxygen to the yeast, as it tends to be the most limiting factor for most starters.

Use an all malt wort for starters. The sugar in the starter needs to be maltose, not simple sugar. Yeast that have been eating a lot of simple sugars stop making the enzyme that enable it to break down maltose, which is the main sugar in wort. The yeast quickly learn to be lazy and the ability to fully attenuate a batch of beer suffers.
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Postby FrankieBoy007 » Sun Jan 20, 2008 7:26 pm

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