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Produces benzopyrene hydroxylase [benzo(a)pyrene hydroxylase]
O3, DMS 63 µg/l, high pyruvic, low acetic, S.G. 6.9, pH 3.91 used in BRF brewery where it has proved a stable yeast. Fermentation stops at 1012 in batch fermentation; no rising gas bubbles to keep it in suspension. Produces very rough variants which can form 20% of the population and do not assimilate maltotriose. Maltotriose is fermented relatively slowly by the normal strain. (See NCYC 753 & 754).
National Collection of Yeast Cultures,
Quadram Institute Bioscience,
Norwich Research Park,
Norwich, NR4 7UA, UK
+44 (0)1603 255274