Question

The ftir spectrum as a tool for distinguishing closely associated plants and other organisms, to identify medicinal materials from the adulterate and even evaluate the quality of the medicinal materials, as components contained in an herbal drug were various and complicated, the peak shape and intensity of ir spectrum were often influenced by interactions among the same or different functional groups

Answer 1

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The herbal medicines employed here were SSB, SLT, SEM, and SAL collected in different places and seasons. Through comparing the infrared (IR) spectra of their 70% ethanol extracts, the results showed that the IR spectra of the four plant medicines possessed not only some common characteristics but also certain notable distinctions, such as shapes, numbers, positions, intensity, and ratios of the absorbing peaks.

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