yeast extract

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A preparation of the water-soluble fraction of autolysed brewers' yeast, valuable both as a source of the B vitamins and for its strong savoury flavour. Commercial preparations include Marmite, Yeastrel, Yeatex, and Vegemite, used as a drink or a bread spread. A 9‐g portion (1 teaspoonful, or the amount spread on two slices of bread) is a rich source of vitamin B2, niacin, and folate; a good source of vitamin B1; supplies 15 kcal (60 kJ).

Subjects: Medicine and Health.

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