Grasshopper ketone 3-O-primveroside (1) White amorphous powder; â 83.5 (c 1.00, MeOH); UV (MeOH) Î» max (log Ïµ) 232 (4.09) nm; IR (KBr) Î½ max 3450, 1945, 1673, 1392, 1250, 1168 cm â 1; 1 H NMR (500 MHz) and 13 C NMR (125 MHz) spectral data, see Table 1; FAB-MS m/z 541 [M+Na] + and 517 [M â H] â ; HR-FAB-MS m/z 541.2261 [M+Na] + (calcd for C 24 H 38 O 12 Na +, 541.2255).
QUESTION: What is evolution? As it is most famously used, evolution is the process by which an organism becomes more sophisticated over time and in response to its environment. The Theory of Evolution is currently the most popular concept of how life reached its current state.
evolution. n. 1. (Biology) biology a gradual change in the characteristics of a population of animals or plants over successive generations: accounts for the origin of existing species from ancestors unlike them. See also natural selection. 2. a gradual development, esp to a more complex form: the evolution of modern art.