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9 Qualitative and Quantitative FT-Raman Analysis of Plants
complex. Raman maps obtained from the ginseng roots show a similar distribution
of polyacetylenes as formerly registered for carrot roots.
Falcarindiol has been also identified in the roots of Chinese angelica ( Angelica
dahurica) by means of Raman spectroscopy. here, the characteristic polyacetylene
signal was observed at 2,252 cm
−1
. the Raman spectrum obtained from the flowers of apache beggarticks ( Bidens ferulifolia) that is mainly grown as horticultural
Fig. 9.6 Raman maps and related images obtained from transversely root sections of parsnip (a,
b), celeriac (c, d), and parley (e, f). maps are coloured according to the individual band intensities
in the wavelength ranges 2,160–2,280 cm
−1
(parsnip) and 2,220–2,280 cm
−1
(celeriac and parsley).
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