parvicapitulatus significantly relaxed the trachea while the relaxation observed for T. Upon pre-contraction of the tracheal smooth muscles, the aqueous extracts of T. The TLC plates sprayed with DPPH revealed the presence of 20 and 23 antioxidant compounds for T. RESULTS: Different compounds were visualized on the TLC plates with more than 40 compounds of intermediate polarity. A micromorphology study was done using scanning electron microscopy to study the leaves. parvicapitulatus on superoxide and ATP production was also investigated on isolated human neutrophils. The bronchodilatory effects of the aqueous extracts were assessed using pre-contracted guinea pig trachea.
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The free radical scavenging antioxidant qualitative assay was done by spraying TLC plates with DPPH free radical. MATERIALS AND METHODS: Thin layer chromatography (TLC) with vanillin as visualizing agent was used to qualitatively compare the phytoconstituents of the plant acetone extracts. This study also aimed to use scanning electron microscopy (SEM) to assess the differences between T. AIMS: The aim of this study was to evaluate the bronchodilatory, antioxidant and toxicological properties of the leaves of T. However, some of the morphological characters used tend to overlap, making it difficult to identify the different taxa. Tarchonanthus parvicapitulatus was one of the newly described taxa, leaving Tarchonanthus camphoratus L. complex has been published under diverse names by various taxonomists. This study focused on providing scientific rationale for the traditional use of the extracts of T. complex has numerous medicinal uses amongst the sub-Saharan African populace, including treatment for bronchospasm. The pollen of family asteraceae members was of stenopalynous type.ĮTHNOPHARMACOLOGICAL RELEVANCE: Tarchonanthus camphoratus L. rigens under light microscope and were invisible on other pollen surfaces. rigens than others which had distance equal to 1-3 µm, while pores were visible on pollen surface of C. asper and the distance between adjacent echini were 4-5 µm in C. The larger number of spines/echini were found on the exine surface of H. sulphureus had 6 µm thick exine when compared to other taxa. officinale (40/45 µm) while others had smaller P/E diameter. Maximum Pollens were isopolar and asymmetrical while some were apolar and radially symmetric. regins which had reticulate ornamentation under SEM. The pollen was trizonocolporate, tricolporate and echinolophate type, all pollens had echinate ornamentation except G. The light microscopy showed that pollens were oblate-sheroidal (C. was carried out in Islamia College University Campus. to avoid any kind of confrontation that will be a disaster for Europe and for the world.Palynological study on 11 species of family asteraceae, that is, Sonchus asper L., Gazania rigens L., Helianthus annus L., Dahlia pinnata Cav., Zinnia peruviana L., Tagetes erectus L., Glebionis coronaria L., Calendula officinale L., Osteospermum ecklonis L., Centaurea cyanus L. Secretary-General Antonio Guterres said “it is absolutely essential that the dialogue that is taking place find a way allowing for de-escalation of tension. More than 14,000 people have been killed in nearly eight years of fighting between the Russia-backed rebels and Ukrainian forces.Īsked whether he’s worried about possible confrontation, U.N. Russia seized the Crimean Peninsula after the ouster of Ukraine’s Moscow-friendly leader and in 2014 also threw its weight behind a separatist insurgency in eastern Ukraine. Polish Foreign Minister Zbigniew Rau, who assumed the position of the OSCE’s chairman-in-office, noted in his opening speech that “the risk of war in the OSCE area is now greater than ever before in the last 30 years.” Tensions revolving around Ukraine and Russia’s demands on the West again appeared on the table at a Thursday meeting of the Organization for Security and Cooperation in Vienna. In December 2018, Russia briefly dispatched a pair of its nuclear-capable Tu-160 bombers to Venezuela in a show of support for Venezuelan President Nicolas Maduro amid Western pressure. Moscow has intensified contacts with Cuba in recent years as tensions with the U.S. Soon after his first election in 2000, Putin ordered the closure of a Soviet-built military surveillance facility in Cuba as he sought to improve ties with Washington. He warned that Russia could gain a similar capability by deploying warships armed with the latest Zircon hypersonic cruise missile in neutral waters. Putin, in seeking to curtail the West’s military activity in Eastern Europe, has argued that NATO could use Ukrainian territory to deploy missiles capable of reaching Moscow in just five minutes. Kennedy and Soviet leader Nikita Khrushchev agreed that Moscow would withdraw its missiles in exchange for Washington’s pledge not to invade Cuba and the removal of U.S.
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