id	keyword
american_scientific_journal-9194	study
american_scientific_journal-9194	tomatoes
american_scientific_journal-9194	values
american_scientific_journal-9194	quality
american_scientific_journal-9194	systems
american_scientific_journal-9194	content
american_scientific_journal-9194	production
american_scientific_journal-9194	sector
american_scientific_journal-9194	results
american_scientific_journal-9194	difference
american_scientific_journal-9194	protein
american_scientific_journal-9194	research
american_scientific_journal-9194	journal
american_scientific_journal-9194	volume
american_scientific_journal-9194	lycopene