Physico Chemical Properties and Antioxidant Activity of Roselle Seed Extracts

Cissouma, Abdoulaye Idrissa; Tounkara, Fatoumata; Nikoo, Mehdi

doi:10.19026/ajfst.5.3371

Cited by 20 publications

(18 citation statements)

References 26 publications

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“…The reduced values for sprouted treatments in both categories proves that unwanted components can be reduced by the manipulation of processing technique such as soaking and sprouting (Bishnoi and Khetarpaul, 1994;Fernandez et al, 1997;Alonso et al, 2000). The total phenol obtained for the whole seed treatments in this study were in conformity with the results, 1.99 to 1.66 mg GAE/g for 30 % acetone and water extract respectively reported by Cissouma et al, (2013). The slight variation may be related to the polarity of solvent type used in the extraction as different solvent will yield different total phenolic contents (Cissouma et al, 2013).…”

Section: Total Polyphenol Content (Tpc)supporting

confidence: 89%

“…Results show that Roselle seed had a dense mineral source. The outcomes for calcium (Ca), magnesium (Mg), phosphorus (P) and potassium (K) corroborate the findings reported by previous scientists (Rao, 1996;Nzikou et al, 2011;and Cissouma et al, 2013). The results of this treatments are significantly different (p<0.05) when compared to control, with the decorticated counterparts showing higher values also suggesting that most of the minerals are concentrated in the endosperm.…”

Section: Proximate and Mineral Compositionsupporting

confidence: 89%

“…The results of proximate analysis showed that Roselle seed is a rich source of valuable nutrients (Emmy Ishmail et al, 2008). For un-sprouted whole and sprouted whole flour UWRSF and SWRSF respectively the results for protein, lipid, ash (Tounkara et al, 2013;Cissouma et al, 2013); while crude fiber (Nzikou et al, 2011) and total carbohydrate (Emmy were in agreements with literature.…”

Section: Proximate and Mineral Compositionsupporting

confidence: 80%

“…These minerals are essential in preventing deficiency diseases (Cissouma et al, 2013) for example: Calcium is a mineral that is necessary for life. In addition to building bones and keeping them healthy, calcium helps for preventing blood clot; nerves send messages and muscles contract (Nof, 2016).…”

Section: Proximate and Mineral Compositionmentioning

confidence: 99%

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Antioxidant Activity and Nutritional Value of Roselle Seeds Flour

Chavan¹

2017

Int.J.Curr.Microbiol.App.Sci

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Section: Total Polyphenol Content (Tpc)supporting

confidence: 89%

Section: Proximate and Mineral Compositionsupporting

confidence: 89%

Section: Proximate and Mineral Compositionsupporting

confidence: 80%

Section: Proximate and Mineral Compositionmentioning

confidence: 99%

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Antioxidant Activity and Nutritional Value of Roselle Seeds Flour

Chavan¹

2017

Int.J.Curr.Microbiol.App.Sci

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“…Wastewater treatment techniques that are widely used are chemical precipitation, lime coagulation, ion exchange, reverse osmosis and solvent extraction [9].Coagulants are used that added to the water to withdraw the forces that stabilizes the colloidal particles and causing the particles to suspend in the water [10]. Once the coagulant is introduced in the water, the individual colloids must aggregate and grow bigger so that the impurities can be settled down at the bottom of the beaker and separated from the water suspension (as shown in table 1).…”

Section: Introductionmentioning

confidence: 99%

Applications of Natural Coagulants to Treat Wastewater − A Review

2017

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Abstract.The natural water falls from the mountain is merging into the oceans. This water is preserved by humans that are consumed for agriculture, industrial, and municipal use. This water become wastewater after different usage, and finally, completes the hydrological cycle. The water becomes wastewater due to population growth, urbanization, industrialization, sewage from household, institutions, hospitals, industries and etc. Wastewater can be destructive for the public because it contains a variety of organic and inorganic substances, biological substances, toxic inorganic compounds and the presence of toxic materials. The coagulant chemicals and its associated products are resourceful but these may change the characteristics of water in terms of physical and chemical characteristics, this make matters worse in the disposal of sludge. An option of natural polymer can be used in water and wastewater in this review. The natural polymers are most efficient that provide several benefits such as; prolific, exempt from physical and chemical changes from the treated water.

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Development of functional beverages from blends of Hibiscus sabdariffa extract and selected fruit juices for optimal antioxidant properties

Ogundele

Awolu

Badejo

et al. 2016

Food Science & Nutrition

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The demand for functional foods and drinks with health benefit is on the increase. The synergistic effect from mixing two or more of such drinks cannot be overemphasized. This study was carried out to formulate and investigate the effects of blends of two or more of pineapple, orange juices, carrot, and Hibiscus sabdariffa extracts (HSE) on the antioxidant properties of the juice formulations in order to obtain a combination with optimal antioxidant properties. Experimental design was carried out using optimal mixture model of response surface methodology which generated twenty experimental runs with antioxidant properties as the responses. The DPPH (1,1‐diphenyl‐2‐picrylhydrazyl) and ABTS [2,2′‐azino‐bis(3‐ethylbenzothiazoline‐6‐sulphonic acid)] radical scavenging abilities, ferric reducing antioxidant potential (FRAP), vitamin C, total phenolics, and total carotenoids contents of the formulations were evaluated as a test of antioxidant property. In all the mixtures, formulations having HSE as part of the mixture showed the highest antioxidant potential. The statistical analyzes, however, showed that the formulations containing pineapple, carrot, orange, and HSE of 40.00, 16.49, 17.20, and 26.30%, respectively, produced optimum antioxidant potential and was shown to be acceptable to a research laboratory guidance panel, thus making them viable ingredients for the production of functional beverages possessing important antioxidant properties with potential health benefits.

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Physico Chemical Properties and Antioxidant Activity of Roselle Seed Extracts

Cited by 20 publications

References 26 publications

Antioxidant Activity and Nutritional Value of Roselle Seeds Flour

Antioxidant Activity and Nutritional Value of Roselle Seeds Flour

Applications of Natural Coagulants to Treat Wastewater − A Review

Development of functional beverages from blends of Hibiscus sabdariffa extract and selected fruit juices for optimal antioxidant properties

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