A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Variability in Foliar Ellagitannins of Hippophae rhamnoides L. and Identification of a New Ellagitannin, Hippophaenin C
Tekijät: Jussi Suvanto, Petri Tähtinen, Saku Valkamaa, Marica T. Engström, Maarit Karonen, Juha-Pekka Salminen
Kustantaja: AMER CHEMICAL SOC
Julkaisuvuosi: 2018
Journal: Journal of Agricultural and Food Chemistry
Tietokannassa oleva lehden nimi: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
Lehden akronyymi: J AGR FOOD CHEM
Vuosikerta: 66
Numero: 3
Aloitussivu: 613
Lopetussivu: 620
Sivujen määrä: 8
ISSN: 0021-8561
eISSN: 1520-5118
DOI: https://doi.org/10.1021/acs.jafc.7b04834
Rinnakkaistallenteen osoite: https://research.utu.fi/converis/portal/detail/Publication/29865592
Berries of common sea-buckthorn (Hippophae rhamnoides L.) are well-known and used for their bioactive components, and while there is a considerable amount of research on the leaves as well, their ellagitannins (ETs) have not been a prominent focus of research. We identified and quantified ten major hydrophilic polyphenols, all ETs, in H. rhamnoides leaves and compared their abundance between 58 plant individuals. Of these compounds, hippophaenin C was characterized as a new ellagitannin by various spectrometric methods. The total concentrations of ETs ranged from 42.5 mg g(-1) dry weight (DW) to 109.1 mg g(-1) DW between individual plants. Among the ETs, hippophaenin C, stachyurin, and casuarinin were on average the most abundant compounds. Sexes did not differ significantly, while cultivars showed variation in some ETs. These results suggest that H. rhamnoides leaves could be a potential and rich source of several ETs.
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