Most ‘pectinases’ that are sold are a mixture of several different enzymes. NovoShape is different. It is a preparation of a just one enzyme - pectin esterase. Pectin esterase modifies pectin molecules in a very precise manner, which helps to maintain the shape and texture of fruit pieces in food products.
SOURCE
The gene encoding this pectin esterase was derived from the fungus Aspergillus aculeatus. A. aculeatus naturally makes a variety of different pectinases. The pectin esterase gene was transferred into a production strain of the related food-grade organism Aspergillus oryzae.
USES
NovoShape is used in foods that contain whole fruit pieces to maintain the fruit’s shape and structure and to maintain the number of fruit pieces in the final product. It does this by stripping methyl groups from pectin molecules, enabling divalent cations (such as calcium ions) to form links between them. This causes the pectin to gel, strengthening the fruit pieces. (See ‘In a jam and out of juice’ for details.)
ACTIVITY
NovoShape hydrolyses the methyl esterified galacturonic acid units of pectic substances. The product is free of polygalacturonase activity. NovoShape is active in the temperature range from 10 °C to 60 °C. NovoShape has a maximum activity around pH 4.8, and 50 °C. This activity is however, dependent upon the source and presence of cations (e.g., magnesium or calcium chloride). Please refer to the data sheet that accompanies the enzyme product for further details.
STORAGE
NovoShape should be stored in a fridge at 3-5 °C. At this temperature, NovoShape will maintain its declared activity for at least 12 months.
PECTIN ESTERASE (NovoShape)
NovoShape ..... 100 mL ..... £14.00 (GBP)
ORDERING
All of the prices on this page are in GBP and do not include Value Added Tax (VAT). This tax applies within the European Union only. Postage and handling must also be paid on orders from outside the United Kingdom. Details of how to order are given on the price list and on the Ordering web page.
PLEASE NOTE
For legal reasons, we cannot accept orders by eMail. We are also unable to supply this enzyme product to addresses in the United States of America.
Copyright © NCBE, 2012 | www.ncbe.reading.ac.uk
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