Evaluation of carotenoids, polyphenols content and antioxidant activity in the sea buckthorn fruit

Abstract

Due to the content of biologically active substances, sea buckthorn (Hippophae rhamnoides L.) has become the object of great interest of both, experts and the general public. It is appreciated particularly for the high content of vitamins and other biologically active substances, not only in berries but also in leaves and bark. The aim of the study was to evaluate the nutritional quality of sea buckthorn juice prepared from different varieties of sea buckthorn based on the content of total carotenoids, polyphenols and antioxidant activity. In this study we used varieties Hergo, Tytti, Vitaminaja, Raisa, Askola, Dorana, Slovan, Leikora, Bojan, Terhi and Masličnaja. Content of different components was quantified using spectrophotometry. The total carotenoids content expressed as β-carotene content in juice ranged from 50.63 mg.100 g-1 DM to 93.63 mg.100 g-1 DM, the highest content was in variety Askola and the lowest one in Terhi. Total polyphenols content determined by Folin-Ciocalteu method ranged from 13.03 mg GAE. dm-3 DM to 25.35 mg GAE. dm-3 DM. The highest content was identified in juice of variety Dorana and the lowest one in Raisa. The antioxidant activity quantified by the FOMO method ranges from 45.11 g AA. dm-3 DM to 108.77 g AA. dm-3 DM. The highest antioxidant activity was determined in juice of Dorana and the lowest in variety Bojan

Evidence-Based Use of Sea Buckthorn Fresh Juice for Patients With Traumatic Brain Injury. A Pilot Study

“…As shown in Table I, SBBJ is a source of phenolic compounds. Our results regarding the total phenolic content are similar to Tian Ye et al that found 20.5 -25.5 mg gallic acid/100 mL fresh juice (equivalent to 0.2049 -0.2499 mg tannic acid/100 mL fresh juice) [26], but much lower compared to Mendelova A et al that found 2 -2.92 g gallic acid/1 L of fresh juice (equivalent to 1.99 -2.91 g tannic acid/100 mL fresh juice) [18]. Our flavones content is moderate, but a comparison with other authors' results was difficult, since most studies report the flavones content only for freeze-dried berries [12].…”

“…As shown in table I, the highest antioxidant activity was observed using ABTS • + assay, followed by DPPH and ferric reducing power methods. Important anti-oxidant activity for SBBJ was also reported by other authors [12,14,18,23]. We assume that flavones [7], phenolcarboxylic acids [12], proanthocyanidins [31], carotenoids (mainly epoxide forms which are soluble in water) [14,25] and mineral elements [4] are responsible for SBBJ overall antioxidant capacity.…”

Attempts for Developing Novel Sugar-Based and Sugar-Free Sea Buckthorn Marmalades

“…The total polyphenols content (TPC) showed values of 24.30 ± 0.37 mg GAE/g DW in C, 59.41 ± 1.13 mg GAE/g DW in C z and 72.44 ± 2.31 mg GAE/g DW in C s . Mendelová et al [ 13 ], as well as Ivanišová et al [ 14 ], reported for different varieties of sea buckthorn juice values of TPC in the range of 13.03–25.35 g GAE/dm −3 DW. The values from the literature are lower compared to the presented one, which is expected, due to the benefits of the thermal treatment, which made the releasing of the bioactive compounds possible.…”

Human Urine Alterations Caused by Apricot Seeds Consumption

“…Introduction  Plants contain a significant amount of biologically active substances able to lower a risk of civilization diseases [1,2]. Glycosides and nitrilosides containing CN-(cyanide) exist in thousands of plants including strawberries, alfalfa sprouts, spinach, pecans, in particularly high concentration in apricot kernels and other seeds.…”