Abstract：
:Species of kalanchoe are rich in bioactive compounds and are widely used in folk medicine; however, these plants are not well known from the point of view of aroma. Two species, Kalanchoe pinnata and Kalanchoe daigremontiana, were examined after six months and two years of growth and their vitamin C content, succulence, and aroma composition were determined. The efficiency of juice extraction was highest (72%) for the leaves of K. daigremontiana after six months of growth. The concentration of vitamin C was highest in juices from two-year-old plants and much higher in the juice of K. pinnata (81 mg/100 g). SPME/GC/MS analysis identified 32 aroma components, considering those with the spectrum similarity over 75%. The main components were furan-2-ethyl, hexanal, 2-hexenal, 2,4-hexadienal, 1-octen-3-ol, nonanal. The quantitative relations of these compounds were somewhat different in the two species. The most dominant component, 2-hexenal, is responsible for the green-like aroma noted by the sensory panel.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Zawirska-Wojtasiak R,Jankowska B,Piechowska P,Mildner-Szkudlarz Sdoi
10.1038/s41598-019-56359-1subject
Has Abstractpub_date
2019-12-24 00:00:00pages
19786issue
1issn
2045-2322pii
10.1038/s41598-019-56359-1journal_volume
9pub_type
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