Chestnut carrot pigbone soup

CHESTNUTS ARE WELL NOURISHED, WITH SUGAR AND STARCH IN THEIR FRUITS AS HIGH AS 70.1 PER CENT AND PROTEINS AS HIGH AS 7 PER CENT. IN ADDITION, IT CONTAINS FATS, CALCIUM, PHOSPHORUS, IRON, VARIOUS VITAMINS AND TRACE ELEMENTS, IN PARTICULAR VITAMIN C, B1 AND CARROTS, WHICH ARE MORE NUTRITIOUS THAN ORDINARY DRIED FRUIT AND CONTAIN NUTRIENTS SUCH AS SINGLE SUGAR AND DOUBLE SUGAR, HULIPIN, SULPHATE, NUCLIDE, NITRIC ACID, ANTI-FASCIN, PROTEIN, FAT AND INORGANIC SALTS, IN ADDITION TO STARCH. ACCORDING TO CHINESE DOCTORS, CHESTNUTS HAVE THE EFFECT OF RENAL SPLEEN, PHYSICAL STRENGTH, AND DIARRHEA. IT'S CALLED THE "RENAL FRUIT"。