The invention belongs to the technical field of natural anti-
corrosion materials, and provides a natural anti-
corrosion composition containing
cinnamon bark extract and a preparation method and application of the natural anti-
corrosion composition. The natural
preservative composition provided by the invention comprises a
cinnamon bark extract and a synergistic compound, the synergistic compound comprises a mangnolia
officinalis bark extract, a perilla leaf extract, a rhizoma atractylodis root extract, a folium artemisiae argyi extract, a wrinkled gianthyssop
herb extract, a
radix ophiopogonis root extract, a
pomegranate seed extract, a pomelo extract, a thyme leaf extract, a
calendula extract, a
hyperforin perforatum extract, a
melaleuca alternifolia leaf extract, a ginger root extract and an
eucalyptus globulus leaf extract; the
mass content of cinnamyl
aldehyde in the
cinnamon bark extract is less than or equal to 20wt%, and the antibacterial composition has the advantages of broad-spectrum bacteriostasis, high stability, difficulty in discoloration and
precipitation, acid and alkali resistance, high
temperature resistance, safety and small
irritation. The antibacterial composition is prepared from at least one of a
ginseng root extract, a rosemary leaf extract, a papaya fruit extract, a chamomile flower extract, a soybean seed extract and a
wheat bran extract, and the
mass content of cinnamyl
aldehyde in the cinnamon
bark extract is less than or equal to 20wt%.