Historically, honey has been used by humans to treat a variety of ailments through topical application, but only recently have the antiseptic and antibacterial properties of honey been chemically explained. Hydrogen peroxide is formed in a slow-release manner by the enzyme glucose oxidase present in honey. It becomes active only when honey is diluted, requires oxygen; Also, the antioxidant constituents in honey help clean up oxygen free radicals present.
Appearance after stain: blue to purple
Structure: Has thick layer of peptidoglycan over inner cytoplasmic membrane. Stain binds to peptidogylcan ; Lack LPS-lipopolysaccharides.
Appearance after stain: pink to red
Structure: In gram negative bacteria the peptidoglycan layer is thinner and is located between space of the outer and inner cytoplasmic membrane (LPS covering it); hence the purple die is not taken up by peptidoglycan. Cell wall contains LPS which make them virulent
Manuka [from new Zealand]
Only 10 percent of all Manuka Honey is claimed to have antibacterial properties because of its non-hydrogen peroxide antibacterial content which is known as NPA (Non-Peroxide Activity) Manuka honey.
Ulmo [from Chile]
Chilean honey made by Apis mellifera (honeybee) originating from the Ulmo tree (Eucryphia cordifolia).
If we have helped you, please help us fix his smile with your old essays...it takes seconds!
-We are looking for previous essays, labs and assignments that you aced!-We will review and post them on our website.
-Ad revenue is used to support children in developing nations.
-We help pay for cleft palate repair surgeries through Operation Smile and Smile Train.