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GROWING GOURMET - Anto2ni.it

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CHAPTER 12<br />

Culturing Mushroom<br />

Mycelium on Agar Media<br />

Preparing Nutrffied Agar Media<br />

Many formulations have been developed for the cultivation of<br />

mushrooms on a semi-solid agar medium. Agar is a seaweedderived<br />

compound that gelatinizes water. Nutrients are added to the<br />

agar/water base which, after sterilization, promote healthy mushroom<br />

mycelium. The agar medium most commonly used w<strong>it</strong>h the greatest<br />

success is a fortified version of Malt Extract Agar (MEA). Other<br />

nutrified agar media that I recommend are: Potato Dextrose Agar<br />

(PDA), Oatmeal Agar (OMA), and Dog Food Agar (DFA).<br />

By supplementing these formulas w<strong>it</strong>h yeast and peptone, essential<br />

v<strong>it</strong>amins and amino acids are provided. These supplements not only<br />

greatly stimulate the rate of growth, but the qual<strong>it</strong>y of the projected<br />

mycelial mat. Most agar media are simple and quick to prepare. What<br />

follows are some of my favor<strong>it</strong>e nutrified agar recipes—of the 500 or<br />

more published.<br />

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