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. 2019 Jan 15;12(1):26.
doi: 10.1186/s13104-019-4075-9.

Crude extracts of Sesamum Indicum roots used as anthraquinone source effect on pulping with sodium hydroxide of Sudanese bagasse

Suhair Kamalaldeen Shomeina  1 , Osman Taha Elzaki  1 , Sakina Yagi  2 , Salaheldin Dafaalla Mohieldin  1 , Tarig Osman Khider  3
Affiliations

Crude extracts of Sesamum Indicum roots used as anthraquinone source effect on pulping with sodium hydroxide of Sudanese bagasse

Suhair Kamalaldeen Shomeina et al. BMC Res Notes. .

Abstract

The objectives: The work was carried out for extraction of natural anthrasesamones from roots of Sesamum Indicum using different organic solvents and utilization of extracts as catalyst in pulping with sodium hydroxide for a by-product of sugar industry (Sudanese bagasse).

Results: Sesamum Indicum roots when extracted with ethanol, it gave the highest extracts yield % (0.964), followed by ethyl acetate, chloroform, dichloromethane and petroleum ether extracts. The chemical pulping of Bagasse was done by using of sodium hydroxide, sodium hydroxide with anthraquinone, and sodium hydroxide with extract instead of anthraquinone keeping constant conditions at temperature 160 °C and applied sodium oxide 10.9% and time was 120 min, gave promising screened yield between 49.84 and 53.68%, bleachable kappa number between 15.57 and 8.26 for sodium hydroxide only and cooking with sodium hydroxide with anthraquinone. Cooking with sodium hydroxide of bagasse with anthrasesamones gave good pulping yields and kappa number.

Keywords: Anthraquinone (AQ); Anthrasesamones; Bagasse; Cooking with sodium hydroxide; Kappa number; Pulp yield; Sesamum Indicum.

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Figures

Fig. 1
Fig. 1
General morphology of Sesamum Indicum http://commons.wikimedia.org/wiki/Main_Page
Fig. 2
Fig. 2
Pulping results for Sesamum Indicum roots extract with different organic solvents as substitute of anthraquinone catalyst. Where: E.A., Ethyl acetate; CH3Cl, chloroform; DCM, Dichloromethane; P.E., Petroleum ether 60–80
See this image and copyright information in PMC

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