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.
The most reliable distinction is in the inner surface of the acorn shell. White oaks are glabrous(hairless) and red oaks are tomentose(hairy). 2. White oak acorns require one season to mature, whereas red oak acorn require two seasons. 3. White oak acorn initiate germination in autumn, whereas red oak acorn usually do not germinate until next spring. 4. Red oak acorn has a higher tannin content rather than white oak acorn. but there are intermediate group between white oak and red oak. Which oak drops acorns first? here in lowcountry of south carolina, water oaks drop first. right around the beginning of september.