7710
Moreover , heteronuclear single - quantum coherence NMR titrations showed that the presence of DB16 decreases gal - 1 affinity for lactose , indicating that the peptidomimetic targets gal - 1 as a noncompetitive , allosteric inhibitor of glycan binding .
 Chemical: DB16; Chemical: lactose
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: DB16; Chemical: lactose