Copper is an essential mineral required by the body for bone and connective tissue production, and for coding specific enzymes that range in function from eliminating free radicals to producing melanin.
Vegetables Highest in Protein Everything in life needs protein to live, and vegetables can be a great source of protein. Below is a ranking of 34 vegetables highest in protein. The servings size for comparison is 100 grams which can be anywhere from half a cup to two cups depending on the weight and water content of the vegetables. The range of protein provided is between 3 - 14 grams per 100 gram serving.