2nd FORTHEM Annual Conference - Connecting Worlds of Science and Society"

Triterpene glycosides from the roots of Deutzia x hybrida “Strawberry Fields” (Hydrangeaceae) as sweet taste modulators

29 Jan 2025, 11:03

9m

ONLINE

Oral presentation Ensuring safety, nutrition, and sustainability Ensuring safety, nutrition, and sustainability

Speaker

Efstathia KARACHALIOU (Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne)

Description

Deutzia Thunb. is a genus of the Hydrangeaceae family, among the seven families belonging to the Cornales order. The 60 species of this genus are widespread in warm temperate climate, from Southeast Asia to the Philippines, West, and South of North America, also Central America. The Deutzia species hold an economic significance as ornamental plants, with hybrids such as Deutzia x hybrida or Deutzia x rosea. From a phytochemistry point of view, echinocystic acid glycosides, Deutzicoside A and B, have been previously isolated from Deutzia corymbosa . Echinocystic acid was found in literature, to possess antiviral, anti-inflammatory and antioxidation activities. However, information about their influence on the sweet taste receptor TAS1R2/TAS1R3 is currently lacking. This oral presentation thoroughly describes the isolation protocol of the Deutzia x hybrida “Strawberry Fields” cultivar using various chromatographic techniques, such as VLC, flash chromatography and MPLC, and the structural analysis of the pure compounds. The evaluation of the activation of the TAS1R2/TAS1R3 receptor will be presented.