Variations of elements, pigments, amino acids and secondary metabolites in Vitis vinifera (L.) cv Garganega after 501 biodynamic treatment

Chemical and Biological Technologies in Agriculture

Table 3 Differential metabolite changes in the leaves of Roncaie plants treated with preparation 501 (RT) compared to controls (RC), at both sampling times

Retention time	Var ID (m/z)	RT1 vs RC1	RT2 vs RC2	Identification
2.40	311.0395	+ 2,6%	+ 301.6%^§	Caftaric acid^a
2.40	179.0335	+ 2.2%	+ 298.2%^§	Caffeic acid^a
4.83	415.1960	+ 5.7%	+ 29.7%	Ethyl 7-epi-12-hydroxyjasmonate glucoside
4.02	431.1911	+ 3.0%	+ 25.0%^§	S-Furanopetasitin
4.12	289.0704	− 1.5%^§	− 12.7%^§	Epi-Catechin^a
5.38	227.0717	− 2.5%^§	− 60.2%^§	Resveratrol^a
4.79	447.0924	+ 1.1%	+ 1.1%^§	Kaempferol glucoside
4.76	609.1460	+ 2.0%	+ 3.2%^§	Rutin^a
3.61	289.0705	− 5.0%^§	− 12.0%^§	Catechin^a

Metabolites presenting VIP > 11 were selected, putative identification was obtained considering HR-MS spectra as well as fragmentation obtained by MS^e approach
(^a)When available, reference compounds were used to confirm findings. ^§indicates statistical difference p < 0.05