From the stems of Rubia wallichiana DECNE, thirty-four structurally related compounds were isolated and identified. Three of them, namely rubiawallin-A (1), -B (2), and -C (3), constitute the first report of their occurrence from the natural source. Their structures were determined by comprehensive analyses of their 1D and 2D NMR, and electron impact (EI) mass spectral data. Furthermore, an in ...

Rubia cordifolia Linn. a flowering plant species from family Rubiaceae is an important medicinal plant. It is known to have anti-diabetic, antiseptic and antistress properties. In the present paper, antiglycation, antioxidant and antidiabetic activities of roots of Rubia cordifolia Linn. were investigated. Anti-AGE (Advance glycation end products) effect of Rubia cordifolia Linn. on glycation o...

Genus Rubia fell into about 70 species distributed widely around the world, a total of 36 species and 2 varieties were reported from China. The extracts and phytochemicals of Rubia plants had drawn considerable attention due to their potent bioactivities. As the two major ingredients from these plants, pentacyclic triterpenes and cyclopeptides were becoming a hot topic over the past twenty year...

The effect of selection for scrapie resistance on genetic variability in three endangered Spanish sheep breeds (Colmenareña, Mallorquina and Rubia de El Molar) was studied using two different criteria for quantifying contributions to genetic variability: (a) molecular coancestry or genetic identity; and (b) average number of alleles per locus or allelic richness. A total of 236 (81 Colmenareña,...

A rapid, simple and specific reversed phase High Performance Liquid Chromatographic (RP-HPLC) method has been developed for the quantitative determination of alizarin in the methanolic extracts of roots and aerial parts of Rubia cordifolia Linn, an important medicinal plant used in Ayurveda system of medicine. Chromatographic analysis was performed by using a C18 column (250 × 4.6 mm) alizarin ...

BACKGROUND Peanut allergy is characterized by increased levels of peanut-specific IgE in the serum of most patients. Thus, the most logical therapy would be to inhibit the IgE production by committed B-cells. This study aims to investigate the unreported anti-IgE effects of Chinese herbal extracts of Rubia cordifolia (Qiancao) and Dianthus superbus (Qumai). METHODS Seventy herbal extracts wer...

Medicinal herbs are significant source of synthetic and herbal drugs. In the commercial market, medicinal herbs are used as raw drugs, extracts or tinctures. Isolated active constituents are used for applied research. For the last few decades, phytochemistry (study of plants) has been making rapid progress and herbal products are becoming popular. According to Ayurveda, the ancient healing syst...

Four new naphthohydroquinones, rubinaphthins A (1), B (2), C (3), and D (4), together with 11 known compounds were isolated and characterized from the roots of Rubia yunnanensis. The structures of 1-4 were elucidated by spectral analysis and chemical transformation.