Assertion: calcium | /r/HasProperty | absorbed eg grain
Facets:
value: poorly
type: DEGREE
value: from foods
type: LOCATION
Source sentences:
text: The efficiency of calcium absorption varies across foods as calcium may be poorly absorbed from foods rich in oxalic acid (eg spinach, rhubarb, beans) or phytic acid (seeds, nuts, grains, certain raw beans and soy isolates).