26555
The polysaccharides from Mimosa pudica ( MP ) , Plantago ovata ( PO ) , Argyreia speciosa ( AS ) , Acacia nilotica ( AN ) , P . ovata husk ( HK ) and Acacia modesta ( AM ) exhibited multistep degradation while those from Astragalus gummifer ( AG ) , Salvia aegyptiaca ( SA ) and Ocimum basicilicum ( OB ) degraded mainly in single step .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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