Antioxidative properties of xanthone on the auto oxidation of soybean in cylcodextrin emulsion

Antioxidative properties of xanthone on the auto oxidation of soybean in cylcodextrin emulsion

K Shimada, K Fujikawa, K Yahara, T Nakamura

01 Jan 1992-Vol. 40, pp 945-948

About: The article was published on 1992-01-01 and is currently open access. It has received 334 citations till now. The article focuses on the topics: Xanthone & Emulsion.

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Purification, composition analysis and antioxidant activity of a polysaccharide from the fruiting bodies of Ganoderma atrum

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Yi Chen¹, Mingyong Xie¹, Shaoping Nie¹, Chang Li¹, Yuanxing Wang¹ - Show less +1 more•Institutions (1)

Nanchang University¹

01 Mar 2008-Food Chemistry

TL;DR: A water-soluble protein-bound polysaccharide was extracted from the fruiting bodies of Ganoderma atrum and isolated by gel-filtration chromatography as mentioned in this paper.

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523 citations

Journal Article•DOI•

In vitro models for antioxidant activity evaluation and some medicinal plants possessing antioxidant properties: An overview

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S. Ch, R. Dave

31 Dec 2009-African Journal of Microbiology Research

TL;DR: An attempt has been made to review different in vitro models for estimating antioxidant properties of natural products from medicinal plants, and a large number of plants showing in vitro antioxidant activity are listed but in vivostudies are lacking.

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Abstract: Reactive oxygen species (ROS) are a class of highly reactive molecules derived from the metabolism of oxygen. ROS, including superoxide radicals, hydroxyl radical and hydrogen peroxide molecules are often generated as by products of biological reactions or from exogenous factors. There is extensive evidence to involve ROS in the development of degenerative diseases. Evidence suggests that compounds especially from natural sources are capable of providing protection against free radicals. This has attracted a great deal of research interest in natural antioxidants. It is necessary to Screen out medicinal plants for their antioxidant potential. Therefore an attempt has been made to review different in vitro models for estimating antioxidant properties of natural products from medicinal plants. All the models are described along with the different standards that can be used for estimation. In the end, a large number of plants showing in vitro antioxidant activity are listed but in vivostudies are lacking. Key words: Antioxidant assay, in vitro models, antioxidant medicinal plants.

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424 citations

Cites background from "Antioxidative properties of xanthon..."

...In this assay, the positive controls can be ascorbic acid, gallic acid (Blois, 1958), BHA, -tocopherol (Shimada et al., 1992), quercetin (Shon et al....
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...In this assay, the positive controls can be ascorbic acid, gallic acid (Blois, 1958), BHA, -tocopherol (Shimada et al., 1992), quercetin (Shon et al., 2003), BHT (LiyanaPathirana and Shahidi, 2005), rutin (Yamasaki et al., 1994), catechin (Astudillo et al., 2000) or glutathione (Kato et al., 1988)....
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Journal Article•DOI•

Antibacterial and antioxidant activities of Mentha piperita L.

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Rajinder Singh¹, Muftah A. M. Shushni¹, Asma K. Belkheir¹•Institutions (1)

University of Benghazi¹

01 May 2015-Arabian Journal of Chemistry

TL;DR: The antibacterial activity of peppermint oil and different extracts of Mentha piperita against some Gram-positive and Gram-negative bacterial strains was evaluated in the present research work by agar well diffusion method as discussed by the authors.

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301 citations

Cites background or methods from "Antioxidative properties of xanthon..."

...The antioxidant activity of the essential oil and extracts was assessed by their ability to scavenging 2,2-diphenyl-1-picrylhydrazyl stable radicals (DPPH) by using the method described previously (Shimada et al., 1992)....
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...Other pharmacologically active ingredients include bitter substances, caffeic acid, flavonoids (12%), polymerized polyphenols (19%), carotenes, tocopherols, betaine, choline and tannins (Karuza et al., 1996; Shimada et al., 1992; Sokovic et al., 2009)....
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Journal Article•DOI•

Isolation, chemical composition and antioxidant activities of a water-soluble polysaccharide from Cyclocarya paliurus (Batal.) Iljinskaja

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Jianhua Xie¹, Mingyong Xie¹, Shaoping Nie¹, Mingyue Shen¹, Yuanxing Wang¹, Chang Li¹ - Show less +2 more•Institutions (1)

Nanchang University¹

15 Apr 2010-Food Chemistry

TL;DR: A water-soluble polysaccharide was isolated from the water extract of Cyclocarya paliurus (Batal.) Iljinskaja, which is a well-known native health tea in China as discussed by the authors.

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272 citations

Journal Article•DOI•

Recovery of Phenolic Antioxidants and Functional Compounds from Coffee Industry By-Products

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Pushpa S. Murthy¹, M. Madhava Naidu¹•Institutions (1)

Central Food Technological Research Institute¹

01 Apr 2012-Food and Bioprocess Technology

TL;DR: The recovery process of the phenolic compounds from the coffee industry by-products and their antioxidant activity were investigated in this article, where the coffee byproducts (coffee pulp, husk, silver skin, and spent coffee) were obtained from coffee processing industry.

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Abstract: The recovery process of the phenolic compounds from the coffee industry by-products and their antioxidant activity were investigated in this work. The coffee by-products (coffee pulp, husk, silver skin, and spent coffee) were obtained from coffee processing industry. The phenolic conserves were extracted using solvent mixture of isoproponal and water. The yield of the conserve was highest in case of silver skin (25%) followed by spent waste (19%) and cherry husk (17%) when pretreated with viscozyme. The conserve enclosed chlorogenic acid as major component when analyzed with high-performance liquid chromatography. The bioactive conserves prepared from coffee by-products possessed 65%–70% antioxidant activity. Apart from these, the coffee by-products encompassed total dietary fiber of 40%–80%. Whereas the soluble and insoluble fiber proportion of the coffee by-product ranged between 16–35% and 18–64%, respectively. The antioxidant activity of coffee by-product fiber ranged from 1.5 to 2.0 mmol trolox/100 g and is analogous to that of widespread fruits and fresh vegetables. The hydration properties such as water holding capacity of each by-product was strictly related to the amount of insoluble fiber and to the granulometry. This is the first report on the isolation of bioactive and functional compounds from coffee by-products and can be a source of new value-added products such as phenolic antioxidant adjunct for food processing.

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259 citations

Cites methods from "Antioxidative properties of xanthon..."

...DPPH Radical Scavenging Activity of the Conserves Free radical scavenging activity was measured by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) at different concentrations (50, 100, and 200 ppm) of coffee conserves with BHA as the standard (Shimada et al. 1992)....
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...Free radical scavenging activity was measured by 1, 1-diphenyl-2-picrylhydrazyl (DPPH) at different concentrations (50, 100, and 200 ppm) of coffee conserves with BHA as the standard (Shimada et al. 1992)....
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Antioxidative properties of xanthone on the auto oxidation of soybean in cylcodextrin emulsion

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