8518
It was hypothesized that the mechanical strength of the starch-HA scaffolds would increase with increasing amylose content based on the botanical source and weight percentage added .
 mechanical strength, scaffolds, source, weight
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 mechanical strength, scaffolds, source, weight