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 5 Differential metabolite changes in berries after application of preparation 501 (PT and RT) compared to controls (PC and RT)

Retention time	Var ID (m/z)	PTh vs PCh	RTh vs RCh	Identification
9.37	524.9291	+ 6.0%	+ 5.3%	C₂₃H₁₁NO₄S₅
10.36	577.8214	+ 44.8%	+ 40.0%	Procyanidin B type
3.58	163.4913	+ 9.0%	+ 6.6%	p-Coumaric acid^a
6.93	191.1633	+ 43.9%	+ 21.2%	Quinic acid^a
8.56	601.8307	+ 146.9%^§	+ 189.6%^§	Violaxanthin
8.31	726.0222	+ 128.3%	+ 74.8%	C₂₄H₂₂O₂₄S
2.22	305.4691	+ 69.1%	+ 69.8%^§	Epigallocatechin^a
9.52	601.8098	+ 45.3%	− 23.7%	Luteoxanthin
3.61	290.3107	+ 20.2%	+ 14.5%	Catechin^a

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