Upon discovering that my properly-stored breast milk consistently tasted sour, I talked with other moms and did research to try to solve the mystery of what was making it taste so bad. I discovered that the likely cause was an excess of lipase. Lipase is an enzyme contained in breast milk that breaks fats down into individual fatty acids. Lipase is part of why breast milk is so easily digestible for babies. It’s good that we have lipase in our breast milk. However, too much lipase results in fat being broken down too quickly. (The fat in milk is apparently … Continue reading →