Valorization of Pinus halepensis Mill. seed oil: Physicochemical characteristics, bioactive compounds, and antioxidant activity as affected by location and extraction method

2021 ◽  
Author(s):  
Sihem Ait Atmane ◽  
Zeynep Aksoylu Özbek ◽  
Pelin Günç Ergönül ◽  
Bachra Khettal
Keyword(s):  
Antioxidant Activity ◽  
Bioactive Compounds ◽  
Extraction Method ◽  
Seed Oil ◽  
Pinus Halepensis ◽  
Physicochemical Characteristics

scholarly journals Hybrid cultivars of pear in subtropics regions: processing ability in the form of jelly

2017 ◽  
Vol 47 (11) ◽  
Author(s):  
Paula Nogueira Curi ◽  
Rayane Barcelos Bisi ◽  
Derlyene Lucas Salgado ◽  
Caio Morais de Alcântara Barbosa ◽  
Rafael Pio ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Rheological Properties ◽  
Bioactive Compounds ◽  
Phenolic Content ◽  
Physicochemical Characteristics ◽  
Color Parameter ◽  
Sensory Acceptance ◽  
Processing Ability ◽  
Industrial Use ◽  
Pear Trees

ABSTRACT: The aim of this study was to characterize five different hybrid cultivars pears (‘Tenra’, ‘Centenária’, ‘Cascatence’, ‘Primorosa’ and ‘Seleta’) deployed in subtropical regions of Brazil regarding its physicochemical characteristics, bioactive compounds and antioxidant activity, as well as to evaluate the influence of these cultivars on the characteristics physicochemical, rheological properties and sensory acceptance of the obtained jelly, for identifying varieties with higher potential for industrial use. Regardingthe bioactive compounds and antioxidant activity it was observed that ‘Seleta’ cultivar was characterized by a higher phenolic content (57.68mg GAEs 100g-1), higher antioxidant activity (13.56% of DPPH sequestration and 1.25µM of trolox g -1) and higher content of vitamin C (3.59mg 100g-1). As the acidity, it ranged from 4.09 to 5.81 g of malic acid 100g-1 (‘Tenra’ and ‘Seleta’, respectively). Regarding color, the color parameter L* varied from 32.14 to 36.83, a* ranged from 2.87 to 5.20, b* ranged from 16.57 to 20.42, Chroma ranged from 16.67 to 21.02 and °Hue ranged from 74.94 to 80.18. Regarding the texture, the jellies produced from ‘Centenária’ and ‘Tenra’ were characterized by having the highest values of hardness (1.21 and 1.23N, respectively), gumminess (0.42 and 0.45, respectively) and chewiness (0.40 and 0.45N, respectively). The jelly obtained from the ‘Centenária’ still showed the highest adhesiveness (2.27N s-1) and springiness (0.99). Already jellies prepared by ‘Cascatence’ showed the highest cohesiveness values (0.68). The jellies prepared with different pear cultivars showed good sensory acceptance for all measured properties, with average scores ranging between the hedonic terms “liked slightly” to “liked very much”. Cultivars of subtropical pear trees present different physicochemical characteristics, resulting in jellies with different physicochemical characteristics and rheological properties. Processing in the form of jelly is extremely viable due to the good acceptance by consumers of all formulations elaborated.

scholarly journals Ultrasonic assisted extraction to obtain bioactive, antioxidant and antimicrobial compounds from marcela

2018 ◽  
Vol 48 (6) ◽  
Author(s):  
Caroline Pagnossim Boeira ◽  
Natiéli Piovesan ◽  
Marcela Bromberger Soquetta ◽  
Déborah Cristina Barcelos Flores ◽  
Bruna Nichelle Lucas ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Antioxidant Activity ◽  
Bioactive Compounds ◽  
Extraction Method ◽  
Ultrasonic Method ◽  
Ultrasound Assisted Extraction ◽  
Ultrasound Method ◽  
Assisted Extraction ◽  
Ultrasonic Assisted ◽  
Conventional Extraction

ABSTRACT: The aim of this study was to evaluate the effect of extraction conditions on bioactive compounds, as well as on antioxidant activity, and the antimicrobial activity of the extracts with the highest antioxidant characteristics. The extracts were obtained by conventional method and ultrasound-assisted extraction at various temperatures (20°C, 40°C and 60°C). Total phenolics, total flavonoids, antimicrobial activity and antioxidant activity were quantified by the methods of DPPH, FRAP, and ORAC, respectively. The conventional extraction method and ultrasound method influenced the phenolic content at all the tested temperatures. Flavonoids were not influenced by extraction methods. The antioxidant activity (DPPH) was highest in the ultrasonic method at temperatures of 40°C and 60°C; however, in the case of the FRAP method the best results were for the conventional extraction method. The conventional and ultrasonic methods did not influence the IC50 at temperatures of 20°C and 40°C, but using ORAC the antioxidant activity was influenced by the methods at all temperatures. The extract obtained at 60°C by the ultrasound method had high antimicrobial action in relation to the strains of Salmonella sp., Escherichia coli, and Staphylococcus aureus. Extraction ultrasonic-assisted can be considered adequate to obtain extracts of marcela, which are rich in bioactive compounds with high antioxidant activity.

Determination of some physicochemical characteristics, bioactive compounds and antioxidant activity of tropical fruits from Yucatan, Mexico

2014 ◽  
Vol 152 ◽  
pp. 508-515 ◽  
Author(s):  
Víctor M. Moo-Huchin ◽  
Iván Estrada-Mota ◽  
Raciel Estrada-León ◽  
Luis Cuevas-Glory ◽  
Elizabeth Ortiz-Vázquez ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Bioactive Compounds ◽  
Physicochemical Characteristics ◽  
Tropical Fruits

scholarly journals Optimization of Ultrasound Extraction of Cactus Pear(Opuntia ficus indica)Seed Oil Based on Antioxidant Activity and Evaluation of Its Antimicrobial Activity

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
María de los Angeles Ortega-Ortega ◽  
Nelly del Socorro Cruz-Cansino ◽  
Ernesto Alanís-García ◽  
Luis Delgado-Olivares ◽  
José Alberto Ariza-Ortega ◽  
...  
Keyword(s):  
Antimicrobial Activity ◽  
Antioxidant Activity ◽  
Extraction Method ◽  
Seed Oil ◽  
Extraction Methods ◽  
Seed Oils ◽  
Cactus Pear ◽  
Ultrasound Extraction ◽  
Conventional Extraction ◽  
Amplitude Level

The purpose of the present study was to determine the optimal ultrasound conditions (amplitude level and time) for the extraction of cactus pear seed oil with the highest antioxidant activity using a closed system. Seed oil was analyzed for yield, antioxidant activity by ABTS and DPPH, and antimicrobial activity. Conventional extraction methods were assessed for comparison. Amplitude level significantly affected antioxidant activity in linear terms (p< 0.0001 DPPH andp< 0.001 ABTS, resp.) so, at lower amplitudes, the higher antioxidant activity was achieved. The optimum ultrasound extraction conditions were of 78% amplitude for 10 min and yielded antioxidant activity values of 66.25 mg AAE/100 g and 289 µmol TE/100 g for ABTS and DPPH, respectively. Compared with conventional extraction methods, ultrasound exhibited lower oil yield and antioxidant activity but had the potential to achieve comparable results if multiple ultrasound extractions are performed in the time needed by conventional methods. Seed oils showed similar antimicrobial activity despite the extraction method and were more effective againstEscherichia coli. The results demonstrated that ultrasound can be an alternative extraction method of seed oils from fruits such as cactus pear.

scholarly journals Physical and physicochemical characteristics, bioactive compounds and antioxidant activity of xiquexique (Pilosocereus gounellei (A. Weber ex K. Schum.)) fruit

2018 ◽  
Vol 39 (5) ◽  
pp. 1969
Author(s):  
Antonia Almeida da Silva ◽  
Renato Lima Dantas ◽  
Claudiana Dos Santos Véras ◽  
Ricardo Elesbão Alves ◽  
Silvanda De Melo Silva
Keyword(s):  
Antioxidant Activity ◽  
Chemical Composition ◽  
Bioactive Compounds ◽  
Native Species ◽  
Physicochemical Characterization ◽  
Physicochemical Characteristics ◽  
Northeastern Brazil ◽  
Local Populations ◽  
High Antioxidant Activity ◽  
Animal Feeding

Many native species from the Cactaceae family with occurrence in northeastern Brazil have been investigated targeting their chemical composition and functional properties as strategy of adding value to these species that are underexploited according to ethnobotanical studies. The xiquexique (Pilosocereus gounellei (A. Weber ex K. Schum.)) is one of these species that adapts in high temperatures and low rainfall environments and some local populations use it for several purposes, including animal feeding and medicinal. However, there is few studies regarding the physical and physicochemical characterization and on the compounds of functional interest in fruits of this species. In the context, the aim of this study was to evaluate the physical and physicochemical characteristics, bioactive compounds and antioxidant activity of the xiquexique fruit from plants occurring in three municipalities of the state of Paraíba, Brazil. The pulp of fruits from the municipalities of Boqueirão and Solânea presented lower acidity content, with higher SS/AT ratio and may be more suitable for fresh consumption. Furthermore, fruits from these municipalities can be also attractive for processing once they had larger sizes. Fruits of xiquexique exhibited high contents of functional compounds such as phenolic and betalains, which provided high antioxidant activity, with potential for adding value.

Effect of argon-enriched modified atmosphere on the over quality and bioactive compounds of ready-to-use broccoli rabe (Brassica rapa sylvestris L. var. esculenta) during the storage

2021 ◽  
pp. 108201322110626
Author(s):  
Liguori Loredana ◽  
Malvano Francesca ◽  
Fratianni Florinda ◽  
Nazzaro Filomena ◽  
Orilio Paola ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Brassica Rapa ◽  
Bioactive Compounds ◽  
Inductive Effect ◽  
Modified Atmosphere Packaging ◽  
Physicochemical Characteristics ◽  
Modified Atmosphere ◽  
Microbiological Parameters ◽  
Air Control ◽  
Positive Effect

This study evaluated the effect of argon-enriched modified atmosphere on the storage extension of ready-to-use broccoli rabe in leaf. Broccoli rabe samples ( Brassica rapa sylvestris L. var. esculenta) were packaged in 90% argon and 10% O2 (modified atmosphere packaging 1); 80% argon, 10% CO2 and 10% O2 (modified atmosphere packaging 2) and evaluated for the physicochemical characteristics, microbiological parameters and bioactive compounds (glucosinolates) during the cold storage for 9 days. Results showed significant maintenance of colour, chlorophyll, phenols content and antioxidant activity in modified atmosphere packaging packages with respect to air control ones. An increasing biosynthesis of glucosinolates was observed in all packages to the inductive effect of CO2 produced; the amount of minerals unchanged during the storage. Overall appearance and odour evaluation pointed out a positive effect of argon atmospheres, in particular modified atmosphere packaging 1, for the keeping of the sensory attributes compared to those evaluated in air packaging.

scholarly journals Physicochemical and Bioactive Characterisation of Edible and Waste Parts of “Piel de Sapo” Melon

Horticulturae ◽  
2020 ◽  
Vol 6 (4) ◽  
pp. 60 ◽  
Author(s):  
Fátima Alves Miller ◽  
Joana Freitas Fundo ◽  
Ester Garcia ◽  
João Rodrigo Santos ◽  
Cristina Luisa Miranda Silva ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Vitamin C ◽  
Bioactive Compounds ◽  
Total Phenolics ◽  
Titratable Acidity ◽  
Physicochemical Characteristics ◽  
Soluble Solids ◽  
Total Carotenoids ◽  
Total Antioxidant ◽  
Solids Content

Several scientific studies point fruits as rich sources of antioxidants but mainly focus on their edible part. However, fruits wastes are abundant sources of bioactive compounds and nutrients, which are considered to be health beneficial. The main purpose was to characterise juice, pulp, peel and seeds of Piel de Sapo melon, in terms of several physicochemical characteristics (soluble solids content, titratable acidity, pH, potassium, colour and water activity), some bioactive compounds (total phenolics, vitamin C, chlorophylls and total carotenoids) and total antioxidant activity. Juice, pulp, peel and seeds represent 47, 19, 27 and 5% of melon total weight, respectively. Peel and seeds stood out by their higher concentration of total phenolics compounds and antioxidant activity when compared to edible parts. The highest potassium concentration was found in seeds. Chlorophylls were only detected in peel, while carotenoids were not detected in any part of the melon analysed. Juice and pulp contributed to 69% of vitamin C amount of the whole fruit. However, its concentration in peel was equivalent to the ones observed in juice and pulp. These results pointed out the importance of fruit wastes valorisation and the development of strategies for their re-utilisation.

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