id	keyword
american_scientific_journal-6977	ibu
american_scientific_journal-6977	acids
american_scientific_journal-6977	beer
american_scientific_journal-6977	bitterness
american_scientific_journal-6977	wort
american_scientific_journal-6977	iso
american_scientific_journal-6977	model
american_scientific_journal-6977	journal
american_scientific_journal-6977	values
american_scientific_journal-6977	time
american_scientific_journal-6977	isomerization