This is in contrast to Streptococcus species, whose growth is selected against by this high salt agar (plate on the right in the picture below). The differential ingredient in MSA is the sugar ...

Fermentation of this sugar results in an acidic pH and causes the pH indicator ... form bright pinky-red colonies (plate pictured on the left here). MacConkey agar is commonly used to differentiate ...

Stir until the agar-agar has dissolved. In a food processor, combine the tofu, cream cheese, coconut cream, a splash of vanilla essence, sugar and lemon zest. Blend until smooth. Pour the tofu ...

Marshmallows are made by heating sugar to the ‘hard ball’ stage (ie. a temperature of 121-130C/250-266F). The melted sugar is combined with gelatine or gum arabic, colouring and flavouring ...