Larva of a Silkworm with Batrytis

The white powder on the surface of white stiff silkworm contains ammonium oxalate. Culture of Beauveria bassiana can synthesize large amounts of oxalic acid and large amounts of fat. The fatty acid composition of the fat is mainly palmitic acid, oleic acid, linoleic acid, with small amounts of stearic acid, palmitoleic acid, and α-linolenic acid. Beauveria bassiana secretes at least 3 hydrolytic enzymes—lipase, protease, and chitinase—that promote penetration through the infected larva's cuticle. It can utilize glutamic acid, aspartic acid, ammonium oxalate, ammonium citrate, and ammonium tartrate as nitrogen sources, but cannot effectively utilize inorganic nitrogen compounds.

The alcohol and aqueous extracts of this product have hypnotic and anticonvulsant effects. The extract has a strong anticoagulant effect. In vitro it mildly inhibits Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa. In addition, this product has blood-sugar-lowering and tumor-inhibiting effects.

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