black walnut

“The pure walnut syrup samples from both years were characterized by nutty, musty/earthy, and woody attributes.”

black walnut syrup → has flavor attributes → nutty, musty/earthy, woody

“Both qualitative and quantitative differences were observed among samples in the acids present with gallic acid being predominant except in pine nut, almond and filbert.”

gallic acid → is predominant → in nutmeats and/or testae of pine nut, almond, filbert, American Chestnut, a hybrid American chestnut, Chinese chestnut, black walnut, butternut and shagbark hickory

“significant differences were noted for the levels of quinic acid, gallic acid, 1,3,6-trigalloylglucose, catechin, and penta- O-galloyl-β-d-glucose between the studied black walnuts and English walnut”

gallic acid → differs in levels → between black walnuts and English walnut

“significant differences were noted for the levels of quinic acid, gallic acid, 1,3,6-trigalloylglucose, catechin, and penta- O-galloyl-β-d-glucose between the studied black walnuts and English walnut”

catechin → differs in levels → between black walnuts and English walnut

“significant differences were noted for the levels of quinic acid, gallic acid, 1,3,6-trigalloylglucose, catechin, and penta- O-galloyl-β-d-glucose between the studied black walnuts and English walnut”

penta- O-galloyl-β-d-glucose → differs in levels → between black walnuts and English walnut