A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä

Phenolic compounds extracted by acidic aqueous ethanol from berries and leaves of different berry plants




TekijätYe Tian, Jaana Liimatainen, Aino-Liisa Alanne, Anni Lindstedt, Pengzhan Liu, Jari Sinkkonen,
Heikki Kallio, Baoru Yang

KustantajaELSEVIER SCI LTD

Julkaisuvuosi2017

JournalFood Chemistry

Vuosikerta220

Aloitussivu266

Lopetussivu281

Sivujen määrä16

ISSN0308-8146

eISSN1873-7072

DOIhttps://doi.org/10.1016/j.foodchem.2016.09.145

Rinnakkaistallenteen osoitehttps://research.utu.fi/converis/portal/detail/Publication/28788407


Tiivistelmä
Phenolic compounds of berries and leaves of thirteen various plant species were extracted with aqueous
ethanol and analyzed with UPLC-DAD-ESI-MS, HPLC-DAD, and NMR. The total content of phenolics was
consistently higher in leaves than in berries (25–7856 vs. 28–711 mg/100 g fresh weight). Sea buckthorn
leaves were richest in phenolic compounds (7856 mg/100 g f.w.) with ellagitannins as the dominant compound
class. Sea buckthorn berries contained mostly isorhamnetin glycosides, whereas quercetin glycosides
were typically abundant in most samples investigated. Anthocyanins formed the dominating group
of phenolics in most dark-colored berries but phenolic acid derivatives were equally abundant in saskatoon
and chokeberry berries. Caffeoylquinic acids constituted 80% of the total phenolic content
(1664 mg/100 g f.w.) in bilberry leaves. B-type procyanidins and caffeoylquinic acids were the major phenolic
compounds in hawthorn and rowanberry, respectively. Use of leaves of some species with prunasin,
tyramine and b-p-arbutin, may be limited in food applications.


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