There are two main types of bacterial cell walls, those of gram-positive bacteria and those of gram-negative bacteria, which are differentiated by their Gram staining characteristics. For both these types of bacteria, particles of approximately 2 nm can pass through the peptidoglycan.
As such, chelated zinc refers to elemental or atomic zinc attached to another molecule, such as picolinic acid. Once in your body, zinc is important for strong immune response, growth and balancing blood sugars.inc is an essential mineral needed by your body in relatively small amounts, 20 mg or less per day, depending on your body size.
Zinc Picolinate. Zinc picolinate is a form of zinc that has been artificially bonded or combined with picolinic acid. This process makes it easier for your body to absorb zinc from a supplement. Picolination facilitates the passage of this mineral through the walls of the digestive tract and into the blood, where your body can use it.