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Table 2 Qualitative phytochemical results of Tenebroideae beetles T.molitor and U. dermestoides

From: Comparative study of composition, antioxidant and antimicrobial activity of two adult edible insects from Tenebrionidae family

Phytochemical constituents Test performed Insect aqueous extract
U. dermestoides T. molitor
Tannins   − −
Saponins Superficial foam ++ +
Glucosides Keller-Kiliani − −
Borntrager’s − −
Carbohydrates Molisch’s + +
Benedict’s + +
Fehling’s + +
Flavonoids Lead acetate − −
Salkowski’s: − −
Shinoda − −
Proteins Bradford + ++
Alkaloids Dragendorff’s: − −
Mayer’s − −
Wagner’s − −
Hager’s: − −
Steroids Liebermann Burchard’s − −
Anthraquinones   − −
  1. Values are expressed as positive (+), very clear result (++), negative (−); not applicable (NA). Acidic extraction and alkaline extraction were used for alkaloids and steroids (nevertheless, no positive results were detected)
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BMC Chemistry

ISSN: 2661-801X

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