Gelatins employable in this invention include {HEAD ~ so called alkali processed gelatin} which is soaked in {TAIL ~ an alkali bath} prior to the extraction of gelatin in its manufacturing process, acid processed gelatin which is soaked in an acid bath instead of the above described alkali bath, and enzyme processed gelatin as described in Bull 
Gelatins employable in this invention include { HEAD ~ so called alkali processed gelatin } which is soaked in { TAIL ~ an alkali bath } prior to the extraction of gelatin in its manufacturing process , acid processed gelatin which is soaked in an acid bath instead of the above described alkali bath , and enzyme processed gelatin as described in Bull
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