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Table 1 The effects of 1 percent (wv-1) disaccharides and PEG-6000 on the activity (initial rates) of α-chymotrypsin precipitated by n-propanol.

From: Optimising biocatalyst design for obtaining high transesterification activity by α-chymotrypsin in non-aqueous media

Disaccharide

Initial rate (nmoles mg-1min-1.)

None

16.6

Trehalose

33.5

Trehalose + PEG-6000(1 percent wv-1)

38.1

Sucrose

26.0

Lactose

33.7

PEG-6000 (1 percent wv-1)

19.6

  1. Initial rates were calculated from aliquots taken over 10 to 60 min. The percentage conversions during these time periods were 1–30 percent and in a linear range.
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BMC Chemistry

ISSN: 2661-801X

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