7593
This study sought to investigate the inhibitory effect of aqueous extracts of two varieties ( red and white ) of Hibiscus sabdariffa ( Roselle ) calyces on carbohydrate hydrolyzing enzymes ( alpha - amylase and alpha - glucosidase ) , with the aim of providing the possible mechanism for their antidiabetes properties .
 Chemical: carbohydrate
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: carbohydrate