@article {1215, title = {In vitro Antibacterial and In silico Toxicity Properties of Phytocompounds from Ricinus communis Leaf Extract}, journal = {Pharmacognosy Journal}, volume = {12}, year = {2020}, month = {August 2020}, pages = {977-983}, type = {Original Article}, chapter = {977}, abstract = {

Background: The rapid occurrence of multiple drug resistance and adverse side effects of aliphatic medicine threatens human health. Medicinal plants are known to possess phytocompounds with antibacterial activity and less toxic effects. Objective: This study aimed at determining the chemical composition of the methanolic Ricinus communis{\textquoteleft} leaf extract and evaluate their antibacterial and toxic effects. Methods: R. communis leaves were extracted by acetone, chloroform, ethanol and methanol. The extracts were assessed for antibacterial activity against Bacillus cereus (ATCC 10102), Escherichia coli (25922), Staphylococcus aureus (25923) and Pseudomonas aeruginosa (ATCC 27853) using agar-well diffusion and microwell dilution methods. The extracts were screened for alkaloids, flavonoids, saponins, steroids, tannins and terpenoids. The chemical constituents of the methanolic extract were analysed by gas chromatography {\textendash} mass spectrophotometry (GC-MS). In silico toxicity of the phytocompounds were investigated using PreADMET tool. Results: The methanol extract showed the antibacterial activity against the bacterial strains, with the MIC values of 1.56 mg/mL against B. cereus, 3.13 mg/mL and 6.25 mg/mL against P. aeruginosa and E. coli. The extracts revealed the presence of alkaloids, flavonoids, glycosides, steroids, tannins, terpenoids and saponins. The GC-MS showed phytocompounds namely hexadecanoic acid, methyl ester (0.62\%), tridecanoic acid (0.76\%), pentafluoropropionic acid, nonyl ester (0.85\%), 10-octadecanoic acid, methyl ester (2.93\%) and cis-vaccenic acid (94.84\%). Hexadecanoic acid, methyl ester was predicted not to have mutagenic and carcinogenic effects. Moreover, all compounds exhibited low inhibitory risks against hERG gene. Conclusion: R. communis leaf extract has potential to be used as a safe source of therapeutic compounds.

}, keywords = {Antibacterial activity, Chemical compounds, Ricinus communis, Toxicity}, doi = {10.5530/pj.2020.12.138}, author = {Sandile Nduduzo Mboyazi and Mduduzi Innocent Nqotheni and Tsolanku Sidney Maliehe and Jabulani Siyabonga Shandu} } @article {1158, title = {Lathraea squamaria L. (Orobanchaceae): A Review of its Botany, Phytochemistry, Traditional Uses and Pharmacology}, journal = {Pharmacognosy Journal}, volume = {12}, year = {2020}, month = {May 2020}, pages = {667-673 }, type = {Review Article}, chapter = {667}, abstract = {

This paper presents the results of the review pharmacognostic study of common toothwort, a perennial plant, parasitizing on the roots of trees. Currently, in Russian traditional medicine, there is considerable experience in the use of сommon toothwort (Lathraea squamaria L.) herb and roots as antitumoral, biligenic, infertility-treatment and diuretic drugs. The chemical composition of L. squamaria has not been quite well determined. Phenylethanoid glycosides (acteoside, isoacteoside), iridoid glycosides (aucubin, and aucuboside ester, 6{\textquoteright}-O-glucopyranosyl-aucubin, melampyroside, 6{\textquoteright}-O-glucopyranosyl melampyroside), simple sugars, fatty acids, organic acids, β-sitosterol were identified. Further study of L. squamaria raw materials is a very promising field including implementation in official medicine.

}, keywords = {Aucubin, Chemical compounds, Common toothwort, Iridoids, Lathraea squamaria, Orobanchaceae, Parasitic plants}, doi = {10.5530/pj.2020.12.98}, author = {Bokov DO and Barkalova VE and Suslikova MA and Sokhin DM and Kakhramanova SD and Rendyuk TD and Strelyaeva AV and Antsyshkina AM and Balobanova NP and Prostodusheva TV and Grikh VV and Krasnyuk II1 (junior) and Marakhova AI and Moiseev DV} } @article {1157, title = {A Review on Genus Saurauia: Chemical Compounds and their Biological Activity}, journal = {Pharmacognosy Journal}, volume = {12}, year = {2020}, month = {May 2020}, pages = {657-666}, type = {Review Article}, chapter = {657}, abstract = {

Introduction: Saurauia plant has been widely used to treat a variety of diseases suffered by villagers at various places in the world. These species are widely used traditionally by the community as antidiabetic and digestive problems{\textquoteright} remedy. This paper will present various uses and researches ever carried out by researchers in the world on various types of the genus Saurauia. Methods: The Information was collected from scientific journals, books, and reports. Results: This review summarizes the existing information on several species of Saurauia in relation to their chemical compounds and biological activity. There are some of chemical compounds present and identified in Saurauia, i.e. 3β-hydroxy-Olean-12-en- 28oic acid; 3,19-Dihydroxyurs-12-en-28-oic acid; 3-hidroksi, 12(13)-en, 28-oleanolat acid; actinidin; several monoterpene lactones; seven triterpenoids, namely, cis-3-O-p-hydroxycinnamoyl ursolic acid; trans-3-O-p-hydroxycinnamoyl ursolic acid; ursolic acid; oleanolic acid; corosolic acid; maslinic acid; and β-amyrin; and two steroids, stigmasterol; and β-sitosterol. There are several biological activities afforded by Saurauia i.e. antioxidant activity, anti-cholesterol, antidiabetic activity, antihyperlipidemic, analgetic activity, antimicrobial activity, wound-healing activity and immunostimulatory activity.

}, keywords = {Biological activity, Chemical compounds, Human disease remedy, Saurauia}, doi = {10.5530/pj.2020.12.97 }, author = {Gunawan Pasaribu and Emil Budianto and Herry Cahyana and Endang Saepudin} }