Carboxymethylation of α-cellulose isolated from Lantana camara with respect to degree of substitution and rheological behavior

Varshney, V. K.; Gupta, Praveen Kumar; Naithani, Sanjay; Khullar, Ritu; Bhatt, Amit; Soni, P. L.

doi:10.1016/j.carbpol.2005.07.001

Cited by 79 publications

(48 citation statements)

References 14 publications

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“…Among derivatives of cellulose, carboxymethyl cellulose (CMC) represents the most important ionic cellulose ether, widely used in many areas of industry and domestic life as a thickening and stabilizing agent [3]. Since the preparation of CMC being first patented in 1918, reactants have not changed significantly although the processes have [4,5]. Commercial CMC is produced by heterogeneous procedures in a cellulose slurry, i.e.…”

Section: Introductionmentioning

confidence: 99%

Homogenous carboxymethylation of cellulose in the NaOH/urea aqueous solution

Liebert

Meister

et al. 2009

Reactive and Functional Polymers

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Section: Introductionmentioning

confidence: 99%

Homogenous carboxymethylation of cellulose in the NaOH/urea aqueous solution

Liebert

Meister

et al. 2009

Reactive and Functional Polymers

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“…The plant therefore could be regarded as a source of membrane stabilizer, capable of curing inflammatory related ailments. Geniposide and genipin showed (2009) Termiticidal effects Verma and Verma (2006) Nematicidal effets Ahmad et al (2010) Treatment of bovine dermatophilosis Ali-Emmanuel et al (2003) Source of oleanolic acid Banik and Pandey (2008) a-cellulose as a source of carboxymethylcellulose Varshney et al (2006) Activation effect on C. reflexa CM-cellulase Chatterjee and Sanwal (1999) A lignocellulosic substrate for cultivation of Pleurotus sajor caju Ghisalberti (2000) Antimicrobial activity against Staphylococcus aureus and Salmonella typhi hypolipidemic activity in hyperlipidemic rats (Ghisalberti 2000). The methanolic extract of L. camara leaves heal gastric ulcers and prevent development of duodenal ulcers in rats.…”

Section: Camara As a Menacementioning

confidence: 98%

“…The polymer, a-cellulose is isolated from this weed and its carboxymethylation is studied. Water soluble Na-CMC has a variety of applications in food, cosmetic and pharmaceutical applications, especially due to its polyelectrolyte character (Varshney et al 2006). L. camara seems to be a potential feedstock for production of a-cellulose and its subsequent functionalization into cellulose derivatives for diverse applications.…”

Section: Industrial Potentialmentioning

confidence: 99%

A weed with multiple utility: Lantana camara

Patel

2011

Rev Environ Sci Biotechnol

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L. camara is a terrible weed, exerting huge detrimental effect on biodiversity. Its leaves and flowers contain toxins, lantadene A and B, so unfit for herbivory by ruminants. This weed stunts the growth of neighbouring plants owing to the allelopathic effect of its root leachate. The seeds tide over adverse period and germinate when favourable conditions prevail. Further, pruning makes the thicket denser. Almost all removal strategies of this weed have been unsuccessful so far. So, management of this weed by utilization is required. Recent studies have reported that L. camara improves soil quality by enriching it with nitrogen, exhibits termiticidal effect, acts as lignocellulosic substrate for cultivation of edible mushrooms, acts as potential insecticide and fumigant for grains storage against weevils, antifungal agent, herbicide against water hyacinths. L. camara has bioactive ingredients exhibiting anticancer, antiulcerogenic, hypolipidemic, larvicidal and anti-inflammatory activity. L. camara fibre has been reported to be suitable candidate as reinforcement in biomaterials. Also, this plant extract is effective in bovine dermatophilosis therapy. L. camara has also immense industrial importance, as a source of oleanolic acid and carboxymethylcellulose. L. camara biomass can be implicated as a substrate for bioethanol and biogas production. This invasive weed can also serve as livelihood options, as the woody twigs can be utilized for aesthetic and durable furniture making apart from the use as firewood. The latest published papers on the novel uses of L. camara have been reviewed, with the objective of providing a thrust to weed management by utilization.

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“…With this in mind, Mohanty et al 25 report that the US agricultural, forestry, life sciences, and chemical communities have developed a strategic vision for manufacturing products like CMC cheaply from residual waste. Although CMC has been extracted from Lantana camara,26 banana plants27 and sugar beet pulp,28 only in rare cases has the conversion process utilized paper sludge as the cellulose source, to the authors' knowledge.…”

Section: Introductionmentioning

confidence: 99%