Bairds Carastan Malt

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This malt is perfect for Brown ales, ESBs and other toffee malt brews Bairds Carastan malt is made through a process of stewing germinated malt followed by an extensive period of highdegree roasting for varying periods of time. The result is a pale, brown‐colored malt with a caramel/toffee‐like flavor. SRM/Lovibond = 30-40L Origin: UK
Price per lbs

These are manufactured by Bairds Malt at the Witham plant from green malt in small batches at a time (1.5 - 2 tonnes).

The green malt is well modified but not over modified, and should be of a barley variety that does not lose its husk easily - it is essential to avoid localised charring on the surface of the grain.

The charge of green malt is fed into a rotating metal roasting cylinder, which is heated so that the temperature of the green malt is about 55 - 65°C. At this temperature each individual grain is "mashed", i.e. amylolysis and proteolysis takes place within each individual grain, yielding a complex mixture of simple and polymeric sugars and amino acids and peptides. Water is then removed from the grain and the product temperature raised to 120° - 160°C. At this temperature the classic reactions of the non-enzymic browning process take place to form firstly glycosylamines and then ketosamines and eventually furan and pyran type heterocyclic oxygen compounds. By varying the time and temperature of the various stages a different colour range is produced.

Caramalts are used to give colour and flavour to pale Lager beers but should be used with care to avoid making the beer too dark or giving it too cloying a flavour. They also change the oxidation - reduction state of a beer, and can therefore improve the stability of a beer by preventing the formation of oxidised (cardboard) flavours.

Crystal or Caramel malts have a distinctive toffee flavour, which becomes more intense as colour is increased, and at the higher end of the colour range burnt or roasted malt flavours may begin to appear. Traditionally in the UK, Crystal malt of colour 70 -80 °ASBC has been used at about 5% of the grist to give the characteristic colour and flavour of UK Bitters and Pale Ales. Adjustment of the amount and/or colour of the Crystal malt may brew some very distinctive beers, but this may require some careful experimentation. Crystal malts have been used in the brewing of Lager beers, but considerable care is required to ensure that whilst a distinctive flavour is achieved, the crystal flavour and colour does not become too dominant. In all beers they can help prevent the formation of oxidised (cardboard) flavours.
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