Pectic materials enzymes acting

In contrast, a comparatively small proportion of recent researches dealing with the enzymes acting on pectic materials proceeded on classical lines involving purification and constitutional studies. With the exception of a few papers, most reports deal with the action and behavior of these enzymes without extensive purification and paying little attention to the chemical composition and constitution of the enzymes themselves. The reason for this might be the general preoccupation with the development of suitable methods for the exact determination of the action of pectic enzymes, which in turn is the result of our lack of knowledge of the exact structure of pectic substances. 

Peat, Stanley, obituary of, 25, 1-12 Pectic materials, chemistry of, 2, 235-251 enzymes acting on, 5, 79-102 Pentitols,... 

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