Lemon Grass has been widely as spices for Asia Cuisine. It has a citrus flavour and can be dried and powdered, or used fresh.

Research also shows that lemon grass oil has antifungal properties.

Lemon Grass Oil, used as a pesticide and preservative, is put on the
ancient manuscripts found in India in Oriental Research Institute
Mysore . The lemon grass oil also injects natural fluidity into the
brittle palm leaves and the hydrophobic nature of the oil keeps the
manuscripts dry so that the text is not lost to decay due to humidity.