MAXIFERM is an amylolytic preparation which catalyzes on one hand the hydrolysis of the alpha-1,6 linkages of amylopectine and on the other hand the hydrolysis of the alpha-1,4 linkages of both amylose and amylopectine by releasing maltose units.


PURPOSES

  • To increase the fermentability of wort (apparent attenuation limit) by hydrolysing the alpha-limit-dextrines into maltose units by the combined action of a limit dextrinase and a maltogenic amylase (see TABLE 1).

TEMPERATURE

  • Optimum 55-60°C. Both enzymatic components are deactivated in beer during fermentation and pasteurization process (see TABLE 2).

pH EFFECT

  • Optimum pH between 5,0 and 6,0.

RATES

  • 1 to 5 liters of MAXIFERM for 1 ton of raw material.

APPLICATION

  • MAXIFERM may be added in the beginning of the mash.
  • MAXIFERM may also be added in the fermenter.

ACTIVITY

  • 2000 PU/g and 2000 MU/g.

AVAILABILITY

  • Liquid form in polypropylene drums of 30 kg.

SAFETY

  • MAXIFERM is produced according to FAO/WHO JECFA and FCC recommendations for food grade enzymes, supplemented with maximum limits of 5 x 104/g for total count and 102/g for moulds.

STORAGE

  • The declared activity of MAXIFERM is maintained for at least six months when stored at 25°C and for at least one year when stored at 5°C.

TABLE 1

  • Decrease of malt quantity used to produce a 4.5% v/v alcool beer by addition of MAXIFERM in the fermentor.
Alcool per cent
Original gravity °Plato
Malt involved in kg/Hl

All Malt Mash

4.5% v/v
11
14.50

All Malt Mash with MAXIFERM 0.1% w/wmalt4.5% v/v
8
10.50

TABLE 2

  • Residual enzyme activity in beer after pasteurization.

 

Residual enzyme activity %
Enzyme Type
Amyloglucosidase
Maxiferm
After 7 days
(end of fermentation)100
40
After 30 days
(end of maturation)100
Nil
Pasteurization
Half-life of enzyme at 60°C60 min
1 min

BELGIAN BREWING EXPERTS

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