Posted by admin on Apr 30, 2020 in |
Termites impart hazardous impacts on the ecosystem by causing severe damage to wooden components. They decrease crop yield, restrain the production of economically important trees, and destroy wooden buildings. The utilization of insecticidal plants provides a promising strategy for the control of insects. The undertaken study is intended to highlight the anti-termite potential of plant extracts as a promising strategy for termite control. Insecticidal potential of Alstonia scholaris and Salvadora oleiodes extract revealed by investigating their impact on mortality and tunneling activities of Microtermes obesi. Mortality of Microtermes obesi was investigated by treating the soil and filter paper with different concentrations of methanolic and aqueous extracts. Least LT50 value was shown by 40% methanolic extract of S. oleiodes i.e. 40.476 and 37.425 hours, in soil and filter paper assay, respectively. Termites showed least tunneling activity at 40% concentration of methanolic extract of S. oleiodes thus indicating that toxicity of phytochemicals might have apprehended the movement of termites. Methanolic extract of S. oleiodes showed grade 1 (v. v. strong) repellent...
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Posted by admin on Apr 30, 2020 in |
Sphaeranthus indicus Linn (Asteraceae) is a popular and very useful plant used in Indian system of medicine. It is usually found in damp areas, plains and also as a weed in the rice fields. In the Ayurvedic system of medicine, the plant as a whole plant or its different parts like leaf, stem, bark, root, flower and seed are widely used for curing many diseases. The plant is enriched with various types of secondary metabolites such as eudesmanolides, sesquiterpenoids, sesquiterpene lactones, sesquiterpene acids, flavone glycosides, flavonoid C‑glycosides, isoflavone glycoside, sterols, sterol glycoside, alkaloid, peptide alkaloids, amino acids and sugars. Essential oil has been isolated from flowers and whole plant. In this present study, various methods are carried out to perform the evaluation of pharmacognostical parameters of crude drug as well as aqeous extract of aerial part of the plant which may forms the basis for the further use of the plant and also for the evaluation of its various pharmacological activity. The physicochemical evaluation confirms the quality and purity...
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Posted by admin on Apr 30, 2020 in |
Background: Swertia chirayita (Roxb. ex Flem.) Karsten known as Kiratatikta in Ayurveda, the Indian indigenous health system, is used for various ailments like liver disorders, diabetes, fever, worm infestation, and others. Due to huge demand and non-availability, other Swertia species and other herbs are used as substitutes/adulterants for Swertia chirayita (Roxb. ex Flem.) Karsten. Hence, the present study is carried out with the objective of characterizing the macroscopic, microscopic features, the physicochemical and chromatographic profile of the herb. Material & Methods: Pharmacognostical parameters like microscopy, physico-chemical, phytochemical and chromato-graphic investigation for the whole plant of Swertia chirayita (Roxb. ex Flem.) Karsten was done using standard methodology. Results: The chief macroscopic features of the whole plant are wrinkled roots, quadrangular stem in the upper portion, leaves brittle, and presence of flowers and fruits. In powder microscopy, fragments of the epidermis with stomata, resin containing cells, pitted parenchyma, cells forming epidermis of fruit, parenchyma cells, pitted fibers, fragments of cotyledon, endosperm cells, sclereids were the key features. Phytochemical analysis revealed the...
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Posted by admin on Mar 31, 2020 in |
The present study was undertaken to develop gluten-free biscuits from the processed composite flour. Composite flour was prepared using teff millet flour (TF), navy bean flour (NF), and watermelon seeds flour (WF). Three variation were formulated such as, A (TF: NF: WF = 45:45:10), B (TF: NF: WF = 55:35:10), C (TF: NF: WF = 65:25:10) respectively. These biscuits were evaluated for rheological properties such as physical (Thickness, diameter and spread ratio), textural (Hardness, springiness, cohesiveness, and gumminess), and sensory attributes. This article focuses on the use of composite flour to produce gluten-free biscuits. Some functional properties were assessed, namely water absorption capacity (WAC), oil absorption capacity (OAC), emulsion capacity (EC), foaming capacity (FC), and gelation capacity (GC). The sensory evaluation of biscuits on 9 points hedonic scale revealed that A variant was more acceptable than variant B and C. Gluten-free biscuits were developed in this study have functional characteristics, providing added value to a waste product. Furthermore, the biscuits were suitable for celiac disease with acceptable quality and...
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Posted by admin on Mar 31, 2020 in |
Oxidative stress is incriminated in many human diseases such as cancer, diabetes, ischemia, rheumatoid arthritis, neurodegenerative diseases, etc. The extracts from plants could be used to discovering the new antioxidant product. In the aim to evaluate the antioxidant activity of fractions of Uvaria comperei stem extract, the fractions of the stem extract obtained by vacuum chromatography from Uvaria comperei were screened for their in vitro antioxidant properties. Total phenolic content, total flavonoid content, and phytochemical screening were also determined. The antioxidant activity was evaluated using DPPH and ORAC assays, whereas total phenolic and total flavonoid contents were determined using folin-ciocalteu method and aluminum chloride assay, respectively. The phytochemical constituents were assessed using standard methods. In the DPPH scavenging activity assay, the EC50 values of 6.03 µg/Ml to > 2000 µg/mL were obtained from the fractions. The fraction F16 showed the strongest scavenging activity with EC50 of 6.03 µg/mL near to the EC50 value of catechin (3.57 µg/mL). All the fractions presented the antioxidant activity with ORAC assay; however, the...
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