Abstract：
:In this study, fruits of Rosa dumalis, R. canina, and R. villosa were cultivated and harvested at six different time points based on colour changes during the ripening period. Phenolic acid and flavonoid contents in fresh hypanthium were determined by HPLC-DAD. Derivatives of organic acid (gallic, caffeic, p-coumaric, and ferulic acids) and flavonoid (catechin, eriocitrin, rutin, apigenin, quercetin, apigenin-7-O-glucoside and kaempferol) were quantified using calibration curves. Phenolic acid contents of the Rosa species increased nonlinearly depending on the harvesting time. The highest amount of catechin was found at the fifth harvest time point (H-5) ranged from 323 to 472mgkg-1. The highest level of caffeic acid content was found in the R. dumalis ranged from 24 to 77mgkg-1. The total amount of flavonoid increased up to the fifth harvest time point (H-5), whereas the amount of total phenolic acid tended to decrease until the same harvest period.
journal_name
Food Chemjournal_title
Food chemistryauthors
Elmastaş M,Demir A,Genç N,Dölek Ü,Güneş Mdoi
10.1016/j.foodchem.2017.05.004subject
Has Abstractpub_date
2017-11-15 00:00:00pages
154-159eissn
0308-8146issn
1873-7072pii
S0308-8146(17)30779-3journal_volume
235pub_type
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