Oil-in-water emulsions stabilized by hydrophobically modified hydroxyethyl cellulose: Adsorption and thickening effect

Sun, Wenbin; D, Sun; Wei, Yunping; Liu, Shangyin; Zhang, Shuiyan

doi:10.1016/j.jcis.2007.02.082

Cited by 103 publications

(62 citation statements)

References 21 publications

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“…Following coalescene, Ostwald ripening was observed in liposome 1, whereas a thickening effect of HMHEC at higher content conserved liposome stability 40) due to three-dimensional network of the elastic film covering the vesicle wall. 38) Liposome 3 was found to be the best vesicle for cosmetic products, followed by liposomes 4, 2, and 1.…”

Section: Preparation and Stability Of The Salak Plum Peel Etoac Fractmentioning

confidence: 91%

“…The HMHEC content additionally governed size, particularly once the amount was close to 4 mg/mL, its critical aggregation concentration. 38) In addition, adequate PDI (Table 4), less than 0.35 indicating narrow size distribution with good homogeneity, ensured stability of the liposome. In addition, negative values of zeta potential (À8 to À19 mV) are recognized to indicate good stability of the suspension of natural extract liposome, as reported for caffeine.…”

Section: Preparation and Stability Of The Salak Plum Peel Etoac Fractmentioning

confidence: 99%

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Salak Plum Peel Extract as a Safe and Efficient Antioxidant Appraisal for Cosmetics

Kanlayavattanakul¹,

Lourith²,

Ospondpant³

et al. 2013

Bioscience, Biotechnology, and Biochemistry

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The antioxidant activities of Salak plum (Salacca edulis) peel extracts were assessed by 1, 1-diphenyl-2-picrylhydrazyl (DPPH), 2,2 0 -azino-bis(3-ethylbenzothaiazoline)-6-sulfonic acid (ABTS), and ferric reducing ability of plasma (FRAP) assays. The ethyl acetate (EtOAc) fraction was the most potent (DPPH IC50 ¼ 2:932 AE 0:030 g/mL, ABTS IC50 ¼ 7:933 AE 0:049 g/mL, FRAP EC ¼ 7;844:44 AE 40:734). Chlorogenic acid was detected as the marker (1:400 AE 0:102 g/kg). The EtOAc fraction was non-cytotoxic in vero and normal human fibroblast (NHF) cells. It exhibited cellular oxidative prevention and damage treatment at 5-40 g/mL in NHF cells. Salak plum peel loaded liposome consisting of lecithin and hydrophobically modified hydroxyethylcellulose (HMHEC) was developed and found stable with adequate entrapment efficacy. Thus Salak plum peel was highlighted as a potential ecological antioxidant for health promotion aspects, and for cosmetics.

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Section: Preparation and Stability Of The Salak Plum Peel Etoac Fractmentioning

confidence: 91%

Section: Preparation and Stability Of The Salak Plum Peel Etoac Fractmentioning

confidence: 99%

Salak Plum Peel Extract as a Safe and Efficient Antioxidant Appraisal for Cosmetics

Kanlayavattanakul¹,

Lourith²,

Ospondpant³

et al. 2013

Bioscience, Biotechnology, and Biochemistry

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“…Nanocrystalline celluloses have also been used as stabilizers of emulsions. 176,[181][182][183][184] However, in comparison with cellulose derivatives, the mechanisms are very different. Cellulose derivatives behave similarly to any flexible or semi-flexible amphiphilic polymer, like graft and block copolymers, and provide steric stabilization.…”

Section: Cellulose As a Dispersion Stabilizermentioning

confidence: 99%

The relevance of structural features of cellulose and its interactions to dissolution, regeneration, gelation and plasticization phenomena

Lindman

Medronho

Alves

et al. 2017

Phys. Chem. Chem. Phys.

195

109

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aCellulose is the most abundant polymer and a very important renewable resource. Since cellulose cannot be shaped by melting, a major route for its use for novel materials, new chemical compounds and renewable energy must go via the solution state. Investigations during several decades have led to the identification of several solvents of notably different character. The mechanisms of dissolution in terms of intermolecular interactions have been discussed from early work but, even on fundamental aspects, conflicting and opposite views appear. In view of this, strategies for developing new solvent systems for various applications have remained obscure. There is for example a strong need for using forest products for higher value materials and for environmental and cost reasons to use water-based solvents. Several new water-based solvents have been developed recently but there is no consensus regarding the underlying mechanisms. Here we wish to address the most important mechanisms described in the literature and confront them with experimental observations. A broadened view is helpful for improving the current picture and thus cellulose derivatives and phenomena such as fiber dissolution, swelling, regeneration, plasticization and dispersion are considered. In addition to the matter of hydrogen bonding versus hydrophobic interactions, the role of ionization as well as some applications of new knowledge gained are highlighted.

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“…al., 2011), modified starch (MARTÍNEZ et al, 2003;FARRAG, 2008), modified cellulose (SUN et al, 2007;AMIRKHANIA et al, 2008), pectin (LITTOZA;McCLEMENTS, 2008;JONES;McCLEMENTS, 2010) and galactomannans (MIKKONENA et al, 2009;WUA et al, 2009). Protein ingredients derived from milk and/or egg, are commonly used as emulsifying agents (JONES;McCLEMENTS, 2010).…”

Section: Introductionmentioning

confidence: 99%

Emulsion of systems containing egg yolk, polysaccharides and vegetable oil

Souza

Garcia‐Rojas

2012

Ciênc. agrotec.

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This work characterizes the emulsifying properties of systems containing egg yolk (0.1; 1.0 and 2.5 % w/v) and polysaccharides (xanthan gum, carrageen, pectin and carboxymethylcellulose) and three different vegetable oils (sunflower, canola, and palm oils). Emulsifying activity and emulsion stability were measured of each combination and it was found the effect of the oil on emulsion stability correlated to the amount of monounsaturated fatty acid. Additionally, increased egg yolk concentration increased emulsifying activity by reducing coalescence of oil droplets. Lastly, 2.5% egg yolk and 0.2% polysaccharide generated emulsions with high emulsifying activity, excellent stability, and droplet size of 4.32 µm.Index terms: Modeling, emulsifying activity, hydrophilic properties. RESUMONeste trabalho, caracterizam-se as propriedades emulsificantes de sistemas contendo gema de ovo (0,1; 1,0 e 2,5% m/v), polissacarídeos (goma xantana, carragena, pectina e carboximetilcelulose) e três diferentes óleos vegetais (óleos de palma, canola e girassol). Atividade emulsificante e estabilidade da emulsão foram medidas para cada combinação e verificou-se o efeito do óleo sobre a estabilidade da emulsão correlacionada com a quantidade de ácido graxo monoinsaturado. Além disso, a concentração de gema de ovo aumentou a atividade emulsificante, reduzindo a coalescência das gotículas de óleo. Por último, 2,5 % de gema de ovo e 0,2% de polissacarídeo formaram emulsões com alta atividade emulsificante, excelente estabilidade e tamanho de gota de 4,32 µm. Termos para indexação:Modelagem, atividade emulsificante, propriedades hidrofílicas.

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Oil-in-water emulsions stabilized by hydrophobically modified hydroxyethyl cellulose: Adsorption and thickening effect

Cited by 103 publications

References 21 publications

Salak Plum Peel Extract as a Safe and Efficient Antioxidant Appraisal for Cosmetics

Salak Plum Peel Extract as a Safe and Efficient Antioxidant Appraisal for Cosmetics

The relevance of structural features of cellulose and its interactions to dissolution, regeneration, gelation and plasticization phenomena

Emulsion of systems containing egg yolk, polysaccharides and vegetable oil

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