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At least 109 records · Page 6Linked to original sources
PubMed2002

The effects of Rumex patientia extract on rat liver and erythrocyte antioxidant enzyme system.

The aqueous extract from the roots of Rumex patientia L. (Polygonaceae) (D-1) was investigated for its effects on rat liver and erythrocyte antioxidant enzyme systems and lipid peroxidation. Measurements of the GSH-Px, SOD and CAT activities, and MDA levels of liver and erythrocytes in D-1 administered animals showed that there was an increase in GSH-Px and SOD activities when compared to that of controls. No significant decrease was observed in catalase activity and no changes in malondialdehyde levels were observed.

Animals↗
PubMed1990

Fatal poisoning by Rumex crispus (curled dock): pathological findings and application of scanning electron microscopy.

A case of fatal poisoning due to ingestion of the plant Rumex crispus (curled dock) is described. The patient, a 53-year-old male, presented with gastrointestinal symptoms, severe hypocalcemia, metabolic acidosis and acute hepatic insufficiency. Despite therapeutic measures, the patient died 72 h after ingestion of the plant material. Noteworthy among the pathological findings were centrolobular hepatic necrosis and birefringent crystals in the liver and kidneys that were identified by histochemical techniques and scanning electron microscopy. These observations are compared with other reports in the medical literature, with an emphasis on the risk involved in the use of these plants for culinary or medicinal purposes.

Edema↗
PubMed1978

Oxalate (Rumex venosus) poisoning in cattle.

Fifteen range cows died of oxalate poisoning caused by ingestion of Rumex venosus. Ecchymotic and petechial hemorrhages were prominent on the abdominal serosal surfaces. Approximately 2 L of thin, yellowish fluid was in the abdominal cavity, and mesenteric lymph nodes were enlarged and edematous. Other findings included catarrhal abomasitis; enteritis; pale, edematous kidneys; congested lungs; fatty infiltration of the liver; and nephrosis. In the kidneys, birefringent crystals resembling oxalate crystals were demonstrable only when frozen sections were examined.

Animals↗
PubMed1994

Phytochemical investigation of Rumex luminiastrum.

The phytochemical investigation of Rumex luminiastrum Jaub & Spach leaves, stems, flowers and roots revealed the presence of chrysophanol, physcion, emodin, chrysophanin, rheochrysin, and emodin-8-o-glucoside. In addition, kaempferol-7-o-rhamnoglucoside, quercimeritrin and orientin were isolated and identified.

Anthraquinones↗
PubMed1976

[A cytotaxonomic study of Rumex. IV. The Acetosa Mill. species].

1. Karyotypes of 18 species of the sections Scutati (2), Vesicarii (2), Hastati (4), Afroacetosae (2) and Acetosa (8) of the genus Acetosa have been investigated in detail. 2. Four evolutive tendancies were distinguished i.e.: decrease of chromosome number and arm ratio, increase of chromosome length and differentiation of sex crhomosomes. These tendancies are fully expressed in the section Acetosa as compared with the others. 3. In this section, relationships between the subsections Acetosa, Insectivalves and Americanae were established especially dealing with the change of sex determination from the type XX/XY to the type XX/XY1Y2. 4. Evolutive pathways within the genus Acetosa as well as in the whole group of Rumex sensu lato are described.

Biological Evolution↗
PubMed2005

Isolation and structure elucidation of anhydroluteins from cooked sorrel (Rumex rugosus Campd.).

Anhydrolutein I (= (all-E,3R,6'R)-3',4'-didehydro-beta,gamma-caroten-3-ol; 2) and anhydrolutein II (= (all-E, 3R,6'S)-2',3'-didehydro-beta,epsilon-caroten-3-ol; 3) have been isolated and characterized from the extract of steam-cooked sorrel. The presence of these compounds in cooked vegetable is postulated to be due to acid-catalyzed dehydration of lutein (1; Scheme). The structures of the isolated anhydroluteins were established by UV/VIS, CD, and 1H-NMR spectroscopy, and mass spectrometry.

Cooking↗