It can be eaten raw, boiled and as flour (after drying and grinding). Nutrients In Singhara or Water Chestnut (Trapa bispinosa). Singhara is rich in proteins, carbohydrates, amylose,citric acid, vitamin B, C, iron, calcium, magnesium, phosphorus, iodine,manganese,phophorylase and contains negligible fat. Singhara is very rich in carbohydrate and 100 gm of it gives 115 calories. 2  It help in proper functioning of thyroid. 3  The fruits are used to treat sore throat, anemia, fractures, urinary disorders, and in leprosy.
Quercus marcocarpa, the bur oak, is the tree featuring the largest acorns of any North American oak species, notes the âNational Audubon Society Field Guide to Trees: Eastern Region.â In comparison to the fruits of other oaks, they are huge.
Some of the better tasting North American acorns are from these trees in the white oak family: 1  California Live Oak (aka Quercus agrifolia Nee, not the same as Interior or Virginia Live Oak, aka Quercus virginiana.) Has long, skinny acorns.; 2  Burr Oak; 3  Chestnut Oak (sic); 4  Oregon White Oak (aka White Oak, Post Oak, Brewer Oak, Quercus garryana.)