The Impact of Polyoxyethylene Sorbitan Surfactants in the Microstructure and Rheological Behaviour of Emulsions Made With Melted Fat From Cupuassu (<i>Theobroma grandiflorum</i>)

Teixeira, Gerson Lopes; Züge, Luana Carolina Bosmuler; Silveira, Joana Léa Meira; Scheer, Agnes de Paula; Ribani, Rosemary Hoffmann

doi:10.1007/s11743-016-1820-0

Cited by 13 publications

(4 citation statements)

References 43 publications

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“…These results are related to the high SFA concentration observed in those oils. On the other hand, the high oxidative stability of 37.2 ± 2.4 h reported for BRP [19] is comparable to that observed for vegetable fat obtained from cupuassu (Theobroma grandiflorum) seeds [156]. Low OSI values for oils such as those from MAK, TPK, BBK, and PTK may be related to low-quality raw materials and poor manufacturing practices.…”

Section: Physicochemical Propertiesmentioning

confidence: 80%

Emerging Lipids from Arecaceae Palm Fruits in Brazil

2022

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Arecaceae palm tree fruits (APTFs) with pulp or kernel rich in oil are widely distributed in six Brazilian biomes. APTFs represent a great potential for the sustainable exploitation of products with high added value, but few literature studies have reported their properties and industrial applications. The lack of information leads to underutilization, low consumption, commercialization, and processing of these fruit species. This review presents and discusses the occurrence of 13 APTFs and the composition, physicochemical properties, bioactive compounds, and potential applications of their 25 oils and fats. The reported studies showed that the species present different lipid profiles. Multivariate analysis based on principal component analysis (PCA) and hierarchical cluster analysis (HCA) indicated a correlation between the composition of pulp and kernel oils. Myristic, caprylic, capric, and lauric acids are the main saturated fatty acids, while oleic acid is the main unsaturated. Carotenoids and phenolic compounds are the main bioactive compounds in APTFs, contributing to their high oxidative stability. The APTFs oils have a potential for use as foods and ingredients in the cosmetic, pharmaceutical, and biofuel industries. However, more studies are still necessary to better understand and exploit these species.

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Section: Physicochemical Propertiesmentioning

confidence: 80%

Emerging Lipids from Arecaceae Palm Fruits in Brazil

2022

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“…None of the flow curves between the placebo and drug-loaded suspension exhibited a linear relationship between the viscosity and shear rate thus demonstrating a non-Newtonian behaviour. The suspension’s rheological response was shear rate dependent, and the viscosity decreased with increasing shear stress [ 105 ]. However, the distinction between the two samples is that the drug-loaded formulation had lower mean viscosity (1923.55 mPa·s) compared to the placebo (13,179.81 mPa·s).…”

Section: Resultsmentioning

confidence: 99%

A Micro-Configured Multiparticulate Reconstitutable Suspension Powder of Fixed Dose Rifampicin and Pyrazinamide: Optimal Fabrication and In Vitro Quality Evaluation

et al. 2022

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The scarcity of age-appropriate pharmaceutical formulations is one of the major challenges impeding successful management of tuberculosis (TB) prevalence in minors. To this end, we designed and assessed the quality of a multiparticulate reconstitutable suspension powder containing fixed dose rifampicin and pyrazinamide (150 mg/300 mg per 5 mL) which was prepared employing solid–liquid direct dispersion coupled with timed dehydration, and mechanical pulverization. The optimized formulation had a high production yield (96.000 ± 3.270%), displayed noteworthy powder flow quality (9.670 ± 1.150°), upon reconstitution the suspension flow property was non-Newtonian and was easily redispersible with gentle manual agitation (1.720 ± 0.011 strokes/second). Effective drug loading was attained for both pyrazinamide (97.230 ± 2.570%w/w) and rifampicin (97.610 ± 0.020%w/w) and drug release followed a zero-order kinetic model (R2 = 0.990) for both drugs. Microscopic examinations confirmed drug encapsulation efficiency and showed that the particulates were micro-dimensional in nature (n < 700.000 µm). The formulation was physicochemically stable with no chemically irreversible drug-excipient interactions based on the results of characterization experiments performed. Findings from organoleptic evaluations generated an overall rating of 4.000 ± 0.000 for its attractive appearance and colour 5.000 ± 0.000 confirming its excellent taste and extremely pleasant smell. Preliminary cytotoxicity studies showed a cell viability above 70.000% which indicates that the FDC formulation was biocompatible. The optimized formulation was environmentally stable either as a dry powder or reconstituted suspension. Accordingly, a stable and palatable FDC antimycobacterial reconstitutable oral suspension powder, intended for flexible dosing in children and adolescents, was optimally fabricated.

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“…The microstructure of the emulsion was also evaluated at days 0 and 7 with the aid of an Axio Observer D1 inverted microscope (Carl Zass Micro Imaging GmbH, Germany). Images were acquired using the software Axio Vision v4.8.2 at four different magnifications: 160×, 360×, 640× and 1008× (Teixeira et al, 2016).…”

Section: Emulsion Microstructurementioning

confidence: 99%

Aprimoramento Do Ensaio Fitotoxicológico Com Germinação De Sementes De Alface: Confiabilidade E Acurácea Do Método

Mendes¹,

Neto²,

Gonçalvez³

et al. 2020

As Ciências Agrárias E Seus Impactos Na Sociedade – Volume 04

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A conscientização da sociedade sobre a importância da alimentação saudável e dos benefícios que o azeite de oliva traz à saúde, têm aquecido a economia brasileira e motivado produtores, associações e empresas a investirem na implantação de novos olivais em todo o país. Em consequência, a cada nova safra ocorre a expansão da área de colheita, logo, dos custos de produção. Assim, levando em consideração que os custos de colheita representam um elevado percentual dos custos totais, é indispensável conhecer as características de cada método de colheita, e quais aspectos devem ser levados em consideração no momento de sua escolha. Para isso, o presente trabalho constitui-se de uma revisão narrativa descrevendo o estado da arte do cultivo de oliveiras com enfoque no processo de colheita, sob o ponto de vista teórico e contextual. Analisando criticamente, foi possível observar que os métodos de colheita manuais requerem abundância em mão de obra devido a sua baixa eficiência operacional. A colheita mecanizada, é uma alternativa a este problema, além de possibilitar redução dos custos de produção. No entanto, a escolha da colhedora ideal depende entre outros fatores, do objetivo de produção, da escala de área cultivada, bem como de mão de obra especializada.

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The Impact of Polyoxyethylene Sorbitan Surfactants in the Microstructure and Rheological Behaviour of Emulsions Made With Melted Fat From Cupuassu (Theobroma grandiflorum)

Cited by 13 publications

References 43 publications

Emerging Lipids from Arecaceae Palm Fruits in Brazil

Emerging Lipids from Arecaceae Palm Fruits in Brazil

A Micro-Configured Multiparticulate Reconstitutable Suspension Powder of Fixed Dose Rifampicin and Pyrazinamide: Optimal Fabrication and In Vitro Quality Evaluation

Aprimoramento Do Ensaio Fitotoxicológico Com Germinação De Sementes De Alface: Confiabilidade E Acurácea Do Método

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