I BOUGHT A BLACK GALLON AT THE IMPORT STORE, IT'S EASY TO EAT, AND THEN I USED IT TO MAKE OXIN, AND IT WAS UNEXPECTEDLY DELICIOUS! BLACK GALLONS CONTAIN VERY RICH VITAMIN C, PHOSPHORUS, MAGNESIUM, POTASSIUM, CALCIUM, PHENOL AND PHENOL. THE HEALTH EFFECTS OF KNOWN BLACK GALLONS INCLUDE THE PREVENTION OF PAIN, ANAEMIA, OEDEMA, ARTHRITIS, RHEUMATISM, ORAL AND THROAT DISEASES, COUGH, ETC。