Cyclodextrins are cyclic a-(1-4) -linked maltooligosaccharides. a-, p-, and y-cyclodextrin consist of 6, 7, and 8 glucose units, respectively. Cyclodextrins were first isolated by Villiers in 189 1 from a culture medium of Bacillus amylobacter (Clostridium butvricum) grown on a medium containing starch.During studies on microbial food spoilage, Schardinger isolated Bacillus macerans, a heat-resistant cyclodextrin-producing microorganism.yclodextrins were first isolated by Villiers in 189 1 from a culture medium of Bacillus amylobacter (Clostridium butvricum) grown on a medium containing starch. During studies on microbial food spoilage, Schardinger isolated Bacillus macerans, a heat-resistant cyclodextrin-producing microorganism.
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MsgBox File not in use! ' Open the file in Microsoft Excel. Workbooks.Open c:\Book2.xls ' ' Add code here to handle case where file is NOT open by ' another user. ' End If End Sub ' This function checks to see if a file is open or not. If the file is ' already open, it returns True.