id	keyword
fens-657	seitan
fens-657	amino
fens-657	tofu
fens-657	protein
fens-657	amino acid
fens-657	food
fens-657	flour
fens-657	acids
fens-657	quality
fens-657	wheat
fens-657	digestibility
fens-657	samples
fens-657	journal
fens-657	nutritional
fens-657	volume
fens-657	xviii
fens-657	issue