1420
Like codeine , dihydrocodeine and other ( especially older ) opiates , morphine has been used as the salicylate salt by some suppliers and can be easily compounded , imparting the therapeutic advantage of both the opioid and the NSAID ; multiple barbiturate salts of morphine were also used in the past , as was / is morphine valerate , the salt of the acid being the active principle of valerian .
 plant: valerian
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 plant: valerian