id	keyword
ajfsoa-275	tdc
ajfsoa-275	tdc tdc
ajfsoa-275	content
ajfsoa-275	yam
ajfsoa-275	food
ajfsoa-275	tdc 95
ajfsoa-275	tubers
ajfsoa-275	genotypes
ajfsoa-275	tdc 04
ajfsoa-275	iron
ajfsoa-275	zinc