15581
Absorption and urinary excretion of A - type procyanidin oligomers from Litchi chinensis pericarp in rats by selected ion monitoring liquid chromatography - mass spectrometry .
 Chemical: A - type procyanidin
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: A - type procyanidin