Aloe pulp is indeed a very unique plant tissue. One aspect of its analysis is to establish the basic chemical composition of the pulp. Another is for detailed structural analysis of various compounds in relation to biological activity. Clearly, the first aspect is not yet mature. This is evidenced by the lack of a consistent approach for the initial pulp processing and adoption of standardized methods. Most descriptions in literature on this aspect are vague; the extent of grinding, filter pore size, and centrifugal force employed is seldom described or their use varied greatly among investigators. Such information is crucial for product development and identification and in particular for the proper employment of technique. It is hoped that in the long run, some consensus over the methods of analyzing the aloe pulp will be generated and some analytical methods can be standardized along with the establishment of a comprehensive and accurate chemical composition of the pulp. As for identifying and analyzing individual compounds, it would be very helpful to place the emphasis on the structure-function correlation in light of the increasing number of biological activities that have been attributed to the pulp.
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