Toivonen et al. 2007 (supporting materials and methods ). This recipe has not been used at Bloomington.
Ingredients
| Water (distilled) | to make 1 liter | |
| Agar* | 15 | grams |
| Sucrose | 50 | grams |
| Brewer's Yeast | 100 | grams |
| Propionic acid | 3 | milliliters |
| p-Hydroxy-benzoic acid methyl ester | 3 | grams |
| *adjust agar concentration according to the gel strength of your agar | ||