Screening methods used to determine the anti-microbial properties of Aloe vera inner gel

Habeeb, Fatema; Shakir, Eisin; Bradbury, F.; Cameron, Pamela; Taravati, M R; Drummond, Allison M.; Gray, Alexander I.; Ferro, Valerie A.

doi:10.1016/j.ymeth.2007.03.004

Cited by 136 publications

(91 citation statements)

References 11 publications

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“…In the present study, .05% chitosan and A. vera gel coatings showed the low disease index. Antimicrobial activity of A. vera gel against bacteria has been reported previously [18,19]. These results are in agreement with reported results of vena gel based coating in reduction of microorganism proliferation in Sweet cherries.…”

Section: Fruit Disease Index (Fdi)supporting

confidence: 92%

Effects of Chitosan and Aloe Vera Gel Coating on Quality Characters of Pistachio

Kaviani

Shariati

Joshevska

et al. 2015

JNHFE

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AbbreviationsPWC: Physiological Water Conservation; FDI: Fruit Disease Index; PV: Peroxide value IntroductionThe traditional concept of a packaging is to preserve the quality of the product with a minimal product/packaging interaction, however, in recent years, a wide variety of packages have been employed for interaction with products to provide desirable or beneficial effects [1]. Active packaging technology is a relatively novel concept beneficial for extending the product shelf-life, maintaining its nutritional and sensory quality, as well as contributing to the microbial safety [2]. The ability of edible film or coating as a type of active packaging to carry some products additives such as antioxidants, antimicrobials, colorants, flavors, fortified nutrients and spices are being studied [3].Chitosan, a natural carbohydrate copolymer [-(1-4)-2-acetamido-d-glucose and -(1-4)-2-amino-d-glucose units], which is yielded from deacetylation of chitin [poly-(1-4)-N acetyl2d-glucosamine], is harmless to humans, animals and, and the environment; and has been studied for efficacy in inhibiting decay and extending shelf life of fruits. Chitosan and its derivatives have been shown to inhibit the growth of a wide range of fungus [4,5], so one of interest application of this biopolymer is products preservation because of its ability to be used as coating materials to extend the shelf life of different products [6,7]. Recently, the use of A. vera gel as an edible coating has been reported to prolong the shelf life and to delay the changes in the parameters related to deterioration of quality of products [8,9].A. vera, a cactus-like plant, is a perennial succulent belonging to the Liliaceae family which grows in hot and dry climates [10].The plant has triangular, fleshy leaves with serrated edges, yellow tubular flowers and fruits containing countless seeds. For centuries, the yellow latex (exudate) and clear gel (mucilage), exuded from the large leaf parenchymatic cells of A. vera, has been employed for medical and pharmaceutical purposes such as anti-inflammatory effects, treatment of skin burns, protection of the skin against UV and gamma radiation damage, treatment of frostbite and psoriasis, supporting and enhancing the immune system, antiviral and antitumor activity, laxative effects, and, last but not least, wound healing [11]. However, the main use of A. vera gel is mainly in the cosmetology and medication; More recently, it has found its application in the food industry as a source of functional foods in ice-cream, drinks and beverages [12], and, due to antifungal activity of A. vera gel, as an unique edible coating (plain or in combination with other components) to extend the post-harvest storage of arctic snow [4] A. vera gel based edible coatings have been shown to prevent loss of moisture and firmness, control respiratory rate and maturation development, delay oxidative browning, and reduce microorganism proliferation in fruits such as sweet cherry, table grapes and nectarines [8,12,6]. There are no reports pre...

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Section: Fruit Disease Index (Fdi)supporting

confidence: 92%

Effects of Chitosan and Aloe Vera Gel Coating on Quality Characters of Pistachio

Kaviani

Shariati

Joshevska

et al. 2015

JNHFE

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“…Aloe vera has been used for many centuries for its curative and therapeutic properties and although over 75 active ingredients from the inner gel have been identified, therapeutic effects have not been correlated well with each individual component 15,16 .…”

Section: Introductionmentioning

confidence: 99%

Development and Characterization of Bamboo Based Wound Dressing Coated With Natural Extracts of Curcumin, Aloe Vera and Chitosan Enhanced With Recombinant Human Epidermal Growth Factor and in Vivo Evaluation for Wistar Albino Wounded Rats

Ramesh¹,

Prakash²,

Palaniswamy³

et al. 2017

Int. Res. J. Pharm.

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Development of natural fibres based wound dressing material coated with different compositions of aloe vera, curcumin and Chitosan enhanced with rhEGF for wound healing applications was explicate in this research work. The coated fabrics were subjected to mechanical properties, anti-bacterial test and Scanning Electron Microscopy. Justifying more on these findings, the coated fabric samples were tested for its wound healing efficacy was studied by in vivo method of wound healing using Wister Albino rats. The dorsal surface of the rat's skin was removed and created a full -thickness wound. Then the developed fabric samples loaded with rhEGF were applied over the wound surface and the wound closure was studied in equal interval of days. The formation of zone of inhibition in antibacterial test and wound closure rate in In Vivo evaluation reveals that a specified composition of natural extracts of Aloe vera, curcumin and solution of Chitosan enhanced with rhEGF reveals that coated fabric samples exhibits good antibacterial property and higher rate of wound healing nature. Hence therefore these coated fabrics can be suitable for faster wound healing process.

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“…been identified, the therapeutic effects have not been correlated well with each individual component 7 . Many of the medicinal effects of aloe leaf extracts have been attributed to the Polysaccharides found in the inner leaf parenchymatous tissue 8,9 , but it is believed that these biological activities should be assigned to a synergistic action of the compounds contained therein rather than a single chemical substance 10 .…”

Section: Introductionmentioning

confidence: 99%

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2016

IJPSR

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Male Wistar rats were procured from 'The Bombay Veterinary College', Parel, Mumbai. The animals were maintained and housed in cages and were acclimatized in laboratory conditions for ten days prior to the experiment. The experimental rats were fed orally with isoniazid 300 mg/ 70 kg body weight / day; rifampicin 450 mg / 70 kg body weight / day and Aloe vera extract 50 mg/ kg body weight / day for 30 days. Blood samples of the above groups (A to H) were taken after 30 th day from cardiac puncture for estimation of mean concentration serum of AST, ALT, ALP, and ACP, bilirubin, total proein, total albumin and total globulin in serum of rats treated with Aloe vera, Isoniazid and Rifampicin independently as well as in combinations. In our study the more commonly measured 'liver' enzymes are showing significant increase in the levels of AST, ALT, ALP, and ACP, bilirubin total proein, total albumin and total globulin in serum of rats treated with Isoniazid and Rifampicin individually and in combination when compared with control rats, whereas the levels of AST, ALT, ALP, and ACP, bilirubin, total protein, total albumin and total globulin in serum were found somewhat decreased in rat treated with Aloe vera independently as well as in combination with Isoniazid and Rifampicin drug.

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Screening methods used to determine the anti-microbial properties of Aloe vera inner gel

Cited by 136 publications

References 11 publications

Effects of Chitosan and Aloe Vera Gel Coating on Quality Characters of Pistachio

Effects of Chitosan and Aloe Vera Gel Coating on Quality Characters of Pistachio

Development and Characterization of Bamboo Based Wound Dressing Coated With Natural Extracts of Curcumin, Aloe Vera and Chitosan Enhanced With Recombinant Human Epidermal Growth Factor and in Vivo Evaluation for Wistar Albino Wounded Rats

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