Yeast and fermentationDry · Fine powder Medium data confidence

Yeast extract

Yeast extract is used in boilie formulation mainly as a soluble attractor, appetite stimulant, flavouring and nutrient balancer. Typical dosage is expressed as a percentage of the dry mix.

Also known as: autolysed yeast, yeast autolysate

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Recommended inclusion

Minimum: 0.5%
Typical: 2%
Maximum: 5%
Absolute maximum: 8%

0% 0.5%–5% ideal 8%+ too dominant too much

Above the recommended maximum the mix becomes harder to balance. Treat the absolute maximum as a hard ceiling.

Nutritional estimates

per 100 g dry · estimated

Protein 65%

Fat 1%

Carbs 20%

Ash 12%

Moisture 4%

Water solubility 95%

Energy 1400 kJ/100g

Functional properties

Binding strength 1/10

Digestibility 10/10

Solubility / leakage 10/10

Natural attraction 10/10

Hardening 0/10

Softening 3/10

Texture opening 5/10

Cold water suitability 10/10

Warm water suitability 9/10

Buoyancy 0/10

Clouding 9/10

Oiliness 0/10

Processing tolerance 6/10

Roles

Soluble attractorAppetite stimulantFlavouringNutrient balancer

Allergens

No declared allergens

Data confidence: Medium

Estimates from ingredient data — practical guidance, not laboratory analysis.

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