25199
The lightness value L ( * ) and yellowness value b ( * ) indicated formation of browning products at higher drying temperatures , while redness value a ( * ) showed dependence on astaxanthin value .
 astaxanthin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 astaxanthin