deposited with the trub in the whirlpool in one brewery. Supplementation of wort lipids may occur by extraction from hops. Hop pellets are rich in 18:3 fatty acids and this may be the major source of this material in wort. The major fatty acids found at various stages in wort production using a lauter tun are shown in Table 2.11.

Table 2.11 Fatty acid composition (%) of components during wort production using a lauter tun (from Anness and Reed, 1985).

Fatty acid







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