The flavor and texture , however , can deteriorate substantially over time , so you may want to think twice before serving your dinner guests that 2-year-old sirloin .
Choose lean meats like cuts of beef and pork that end in " loin " such as pork loin and sirloin .
选择牛和猪腰部的瘦肉,像猪腰肉和牛里脊肉。
Many of the most popular beef cuts are lean , including top sirloin , tenderloin , t-bone steak and 95 % lean ground beef .
牛肉中最受欢迎的很多都是瘦肉,包括上腰肉、里脊肉、t骨牛排和95成瘦的绞碎牛肉。
A 300 grams sirloin steak contains 325 calories and 13 grams of fat , 6 of them saturated , compared to the 423 calories and 23 grams of fat ( 12 of them saturated ) found in the same size of rib-eye steak .
Moreover , the sirloin gives you three times as much of the energy-boosting mineral iron ( which many women in the uk have too little of ) and almost four times the amount of zinc needed for a strong immune system .