Headspace Solid-Phase Microextraction Coupled with GC-MS for Analysis of Aromatic Components in Leaves of Blumea balsamifera (L.) DC. in Different Seasons

Abstract

Abstract: The aroma components in leaves of Blumea balsamifera (L.) DC. harvested in fall and winter were extracted by headspace solid-phase micro-extraction (HS-SPME) and analyzed by gas chromatography-mass spectrometry (GC-MS). The results showed that 49 aroma components were found in fall leaves (91.37%), including 43 terpenoids (81%); 47 aroma components were found in winter leaves, including 37 terpenoids (88.48%). The top five components were (E)-caryophyllene (24.88%), l-borneol (17.86%), (+)-γ-gurjunene (12.27%), xanthoxylin (7.83%) and (E)-ocimene (3.6%) in fall samples, and l-borneol (47.3%), camphor (13.64%), (E)-caryophyllene (7.41%), (+)-γ-gurjunene (3.9%) and β-caryophyllene epoxide (2.75%) in winter samples. Fall and winter samples contained 31 aroma components in common and therefore had similar aroma characteristics, namely camphor, pepper and herbal aroma. However, a significant difference in the relative contents of the aroma components common to samples harvested in both seasons was found. Eighteen and 16 components were exclusive to winter and fall samples, respectively. In conclusion, the volatile oil components in Blumea balsamifera (L.) DC. vary seasonally.

Key words: solid-phase micro-extraction, GC-MS, Blumea balsamifera (L.) DC. leaf, aroma components

CLC Number:

O657.63

References

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