scholarly journals Characterization of phenolic compounds, antioxidant and antibacterial potential the extract of acerola bagasse flour

2017 ◽  
Vol 39 (2) ◽  
pp. 143 ◽  
Author(s):  
Tamara Rezende Marques ◽  
Aline Aparecida Caetano ◽  
Leonardo Milani Avelar Rodrigues ◽  
Anderson Assaid Simao ◽  
Gustavo Henrique Andrade Machado ◽  
...  
Molecules ◽  
2021 ◽  
Vol 26 (5) ◽  
pp. 1304
Author(s):  
Francisco Espínola ◽  
Alfonso M. Vidal ◽  
Juan M. Espínola ◽  
Manuel Moya

Wild olive trees have important potential, but, to date, the oil from wild olives has not been studied significantly, especially from an analytical point of view. In Spain, the wild olive tree is called “Acebuche” and its fruit “Acebuchina”. The objective of this work is to optimize the olive oil production process from the Acebuchina cultivar and characterize the oil, which could be marketed as healthy and functional food. A Box–Behnken experimental design with five central points was used, along with the Response Surface Methodology to obtain a mathematical experimental model. The oils from the Acebuchina cultivar meet the requirements for human consumption and have a good balance of fatty acids. In addition, the oils are rich in antioxidants and volatile compounds. The highest extraction yield, 12.0 g oil/100 g paste, was obtained at 90.0 min and the highest yield of phenolic compounds, 870.0 mg/kg, was achieved at 40.0 °C, and 90.0 min; but the maximum content of volatile compounds, 26.9 mg/kg, was obtained at 20 °C and 30.0 min. The oil yield is lower than that of commercial cultivars, but the contents of volatile and phenolic compounds is higher.


2021 ◽  
Vol 16 (5) ◽  
pp. 1934578X2110233
Author(s):  
Masahiro Saiki ◽  
Naomichi Takemoto ◽  
Maki Nagata ◽  
Masako Matsumoto ◽  
Yhiya Amen ◽  
...  

In recent years, entomophagy has attracted increased attention, as it was recommended as a potential source of food by the Food and Agriculture Organization of the United Nations. In Japan, Oxya yezoensisis one of the most widely eaten insect species, but studies of its functionality as a food are limited. In this study, we reported the optimal characterization of the total phenolic compounds in methanolic extract (OME) and different fractions of OME. Additionally, the antioxidant and antiallergic activities of the OME fractions were evaluated. The results showed that the ethyl acetate-soluble fraction of OME has potential antioxidant activity, whereas the n-hexane-soluble fraction showed the strongest inhibition of β-hexosaminidase, which is one of the key factors in allergic reactions. It was concluded that phenolic compounds might contribute to the antioxidant activity while unsaturated fatty acids contribute to the antiallergy activity.


Viruses ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1217
Author(s):  
Ewa Jończyk-Matysiak ◽  
Barbara Owczarek ◽  
Ewa Popiela ◽  
Kinga Świtała-Jeleń ◽  
Paweł Migdał ◽  
...  

The aim of this study was the isolation and characterization, including the phage effect on honeybees in laboratory conditions, of phages active against Paenibacillus larvae, the causative agent of American Foulbrood—a highly infective and easily spreading disease occurring in honeybee larva, and subsequently the development of a preparation to prevent and treat this dangerous disease. From the tested material (over 2500 samples) 35 Paenibacillus spp. strains were obtained and used to search for phages. Five phages specific to Paenibacillus were isolated and characterized (ultrastructure, morphology, biological properties, storage stability, and genome sequence). The characteristics were performed to obtain knowledge of their lytic potential and compose the final phage cocktail with high antibacterial potential and intended use of future field application. Preliminary safety studies have also been carried out on healthy bees, which suggest that the phage preparation administered is harmless.


2019 ◽  
Vol 10 (10) ◽  
pp. 6492-6502
Author(s):  
Lisard Iglesias-Carres ◽  
Anna Mas-Capdevila ◽  
Francisca Isabel Bravo ◽  
Cinta Bladé ◽  
Anna Arola-Arnal ◽  
...  

Fruits are rich in phenolic compounds with health-promoting activities.


RSC Advances ◽  
2015 ◽  
Vol 5 (34) ◽  
pp. 26991-26997 ◽  
Author(s):  
Natália Martins ◽  
Lillian Barros ◽  
Montserrat Dueñas ◽  
Celestino Santos-Buelga ◽  
Isabel C. F. R. Ferreira

The present work aims to characterize and quantify the phenolic composition and to evaluate the antioxidant activity of Glycyrrhiza glabra L. (commonly known as licorice) rhizomes and roots.


2013 ◽  
Vol 110 ◽  
pp. 665-674 ◽  
Author(s):  
Mariana Mirelle Pereira Natividade ◽  
Luiz Claudio Corrêa ◽  
Scheilla Vitorino Carvalho de Souza ◽  
Giuliano Elias Pereira ◽  
Luiz Carlos de Oliveira Lima

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