Heating, microwave and UV irradiation effects on oxidative stability of Sardasht red grape (Vitis vinifera cultiv. Sardasht) seed oil

2017 ◽  
Vol 52 (6) ◽  
pp. 1341-1347 ◽  
Author(s):  
Seyed Mohammad Bagher Hashemi ◽  
Amin Mousavi Khaneghah ◽  
Nooshin Nikmaram ◽  
Susan Raeisi ◽  
Mohammad Shafiur Rahman ◽  
...  
Plants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 490
Author(s):  
Martin Sák ◽  
Ivana Dokupilová ◽  
Šarlota Kaňuková ◽  
Michaela Mrkvová ◽  
Daniel Mihálik ◽  
...  

The in vitro cell cultures derived from the grapevine (Vitis vinifera L.) have been used for the production of stilbenes treated with different biotic and abiotic elicitors. The red-grape cultivar Váh has been elicited by natural cellulose from Trichoderma viride, the cell wall homogenate from Fusarium oxysporum and synthetic jasmonates. The sodium-orthovanadate, known as an inhibitor of hypersensitive necrotic response in treated plant cells able to enhance production and release of secondary metabolite into the cultivation medium, was used as an abiotic elicitor. Growth of cells and the content of phenolic compounds trans-resveratrol, trans-piceid, δ-viniferin, and ɛ-viniferin, were analyzed in grapevine cells treated by individual elicitors. The highest accumulation of analyzed individual stilbenes, except of trans-piceid has been observed after treatment with the cell wall homogenate from F. oxysporum. Maximum production of trans-resveratrol, δ- and ɛ-viniferins was triggered by treatment with cellulase from T. viride. The accumulation of trans-piceid in cell cultures elicited by this cellulase revealed exactly the opposite effect, with almost three times higher production of trans-resveratrol than that of trans-piceid. This study suggested that both used fungal elicitors can enhance production more effectively than commonly used jasmonates.


Foods ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 541
Author(s):  
Nawel Benbouguerra ◽  
Josep Valls-Fonayet ◽  
Stephanie Krisa ◽  
François Garcia ◽  
Cédric Saucier ◽  
...  

(1) Background: Both sensory quality and healthy attributes of Vitis vinifera grapes used for winemaking are closely related with the polyphenolic composition of their skins. (2) Methods: In this study, the polyphenolic characterization (flavan-3-ols, procyanidins, flavonols, stilbenes, anthocyanins) was investigated by ultra performance liquid chromatography coupled to a triple quadrupole mass spectrometer (UPLC-QqQ-MS). Skins from Vitis vinifera Merlot, Tannat, and Syrah red grape varieties cultivated in the south of France at different stages of ripening in 2018 were used. The anti-inflammatory and the antioxidant potential of the extracts were evaluated by the measure of nitric oxide (NO) and the intracellular reactive oxygen species production (ROS) in lipopolysaccharide (LPS)-stimulated macrophages. (3) Results: 41 polyphenols were quantified in all samples. Generally, the flavan-3-ol and procyanidin content decreased during ripening whereas the anthocyanins and stilbenes increased. In addition, as a novelty of this work, a wide identification and characterization of monomeric and oligomeric stilbenes was assessed by using authentic standards isolated in our laboratory, some of them (parthenocissin A and miyabenol C) reported for the first time in Merlot, Tannat and Syrah cultivars. The before-veraison skin extracts of all studied varieties, exhibited higher NO and ROS productions inhibition (>50%) proving both antioxidant and anti-inflammatory properties.


2015 ◽  
Vol 119 (2) ◽  
pp. 659-665
Author(s):  
M. Manouchehrian ◽  
M. M. Larijani ◽  
S. M. Elahi ◽  
M. A. Moghri Moazzen

2017 ◽  
Vol 222 ◽  
pp. 61-66 ◽  
Author(s):  
Sasan Delfan-Hosseini ◽  
Kooshan Nayebzadeh ◽  
Leila Mirmoghtadaie ◽  
Maryam Kavosi ◽  
Seyede Marzieh Hosseini

2019 ◽  
Vol 62 ◽  
pp. 103546
Author(s):  
Mohammed Mahanna ◽  
Maria C. Millan-Linares ◽  
Elena Grao-Cruces ◽  
Carmen Claro ◽  
Rocío Toscano ◽  
...  

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