Effects of Yucca Saponin and Konjak Flour on Lipid Metabolism of Rats Fed a High-fat Plus High-cholesterol Diet.

Tsujihara, Nobuko; Tani, Yumiko

doi:10.4327/jsnfs.51.157

JJSNFS

1998

DOI: 10.4327/jsnfs.51.157

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Effects of Yucca Saponin and Konjak Flour on Lipid Metabolism of Rats Fed a High-fat Plus High-cholesterol Diet.

Nobuko Tsujihara¹,

Yumiko Tani²

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“…Robert et al (1975) reported that in man, Yucca saponin acted on the intestinal ora and provided some constipation relief. Yucca species has also been found to contain a type of saponin (Kaneda et al 1987) which has antibacterial (Murakami 1996) and hypolipidaemic activities (Tsujihara & Tani 1997). Yucca saponin has been used to suppress the production of ammonia in faeces of livestock (Johnston et al 1981).…”

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Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

Yamazaki¹,

Hosono²,

Matsushita³

et al. 1999

Pharmacy and Pharmacology Communications

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The effect of an aqueous extract from Yucca schidigera (Agavaceae) on the gastrointestinal transit rate and cathartic activity in mice was investigated. Male mice were administered a 5% charcoal suspension and various doses of the Yucca extract. The gastrointestinal transit rate was expressed as the percentage of the longest distance traversed by the charcoal divided by the total length of the small intestine. Cathartic effect by the Yucca extract was determined by closely monitoring the condition of the mice faeces for 22 h post extract administration. Yucca extract significantly increased the gastrointestinal transit rate in mice at doses above 0.35 g kg−1. The effect on gastrointestinal transit of the Yucca extract, at a dose of 0.35 g kg−1, was greater than that of 20% magnesium sulphate. The extract also improved dopamine‐induced gastrointestinal transit delay. The Yucca extract did not induce diarrhoea, while magnesium sulphate caused diarrhoea dose‐dependently. These results suggest that the aqueous extract from Yucca schidigera might have an effect on gastrointestinal propulsion rather than cathartic activity.

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Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

Yamazaki¹,

Hosono²,

Matsushita³

et al. 1999

Pharmacy and Pharmacology Communications

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NMR and LC‐MS ⁿ characterisation of two minor saponins from Ilex paraguariensis

et al. 2001

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Two minor saponins obtained from the methanolic extract of the leaves of Ilex paraguariensis have been characterised by 13C‐NMR, 1H‐NMR, API‐MS and chemical hydrolysis as oleanolic acid‐3‐O‐{β‐D‐glucopyranosyl‐(1 → 3)‐α‐L‐arabinopyranosyl}‐(28 → 1)‐β‐D‐glucopyranosyl ester (guaiacin B) and oleanolic acid‐3‐O‐{β‐D‐glucopyranosyl‐(1 → 3)‐{α‐L‐rhamnopyranosyl‐(1 → 2)}‐α‐L‐arabinopyranosyl}‐(28 → 1)‐β‐D‐glucopyranosyl ester (nudicaucin C). Both are isomeric forms of the known matesaponins 1 (MSP 1) and 2 (MSP 2) and differ only by the nature of the aglycone: they have oleanolic acid instead of ursolic acid, as found in the matesaponins. These minor saponins have not been fully separated from their major isomers MSP 1 and 2 and were characterised by in‐mixture NMR analysis, LC‐MS and LC‐MS n experiments. Copyright © 2001 John Wiley & Sons, Ltd.

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Lowering serum cholesterol level by feeding a 40% ethanol-eluted fraction from HP-20 resin treated with hot water extract of adzuki beans (Vigna angularis) to rats fed a high-fat cholesterol diet

Itoh¹,

Furuichi

2009

Nutrition

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Effects of Yucca Saponin and Konjak Flour on Lipid Metabolism of Rats Fed a High-fat Plus High-cholesterol Diet.

Cited by 3 publications

References 0 publications

Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

NMR and LC‐MS ⁿ characterisation of two minor saponins from Ilex paraguariensis

Lowering serum cholesterol level by feeding a 40% ethanol-eluted fraction from HP-20 resin treated with hot water extract of adzuki beans (Vigna angularis) to rats fed a high-fat cholesterol diet

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Effects of Yucca Saponin and Konjak Flour on Lipid Metabolism of Rats Fed a High-fat Plus High-cholesterol Diet.

Cited by 3 publications

References 0 publications

Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

Effects of an Aqueous Extract from <I>Yucca schidigera</I> on Gastrointestinal Transit in Mice

NMR and LC‐MS n characterisation of two minor saponins from Ilex paraguariensis

Lowering serum cholesterol level by feeding a 40% ethanol-eluted fraction from HP-20 resin treated with hot water extract of adzuki beans (Vigna angularis) to rats fed a high-fat cholesterol diet

Contact Info

Product

Resources

About

NMR and LC‐MS ⁿ characterisation of two minor saponins from Ilex paraguariensis