Ca(2+) deprived 1 Calcium 1 EGTA 1 Flavonolignans 1 Growth cycle 1 Journal Article 1 Milk thistle 1 mehr ... PAs 1 PH 1 Polyamines 1 Put 1 Putrescine and plant stress 1 Research Support, Non-U.S. Gov't 1 S 1 SH 1 SY7Q814VUP 1 Silymarin 1 Sm 1 Spd 1 Spm 1 ethylene glycol-bis-(β-aminoethyl) ether-N,N,N′,N′-tetraacetic acid 1 hydrolyzed pellet fraction 1 hydrolyzed soluble fraction polyamines 1 putrescine 1 silymarin 1 soluble fraction 1 spermidine 1 spermine 1 weniger ...