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Tobacco Science
and Technology

Tobacco Science
and Technology

Tobacco Science and Technology

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Tobacco Science and Technology

Tobacco Science and Technology is a peer reviewed journal since 2013 up to now. The journal is monthly publishing journal.The main scope of Tobacco Science and Technology) is Agricultural engineering/Agricultural science, Biological Engineering/ Biological science, bio-chemistry, chemistry, public health, pharmaceutical science and so on. Our journal welcome original papers from everywhere in the world. Lizi Jiaohuan Yu Xifu/Ion Exchange and Adsorption Fa yi xue za zhi Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology Research Journal of Chemistry and Environment

Volume 57 , Issue 06

26 Jun 2024



Volume - 57 , Issue 06

30 Jun 2024



Tobacco Science and Technology

Agricultural engineering
Agricultural science
Biological Engineering
Biological science
public health
pharmaceutical science

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Tobacco Science and Technology

Study of the mycorrhizal and actinorhizal symbiosis of Casuarina equisetifolia in northeastern Algeria

Despite the importance acquired by Casuarina in Algeria since their introduction at the beginning of the 19th century, the number of species now present in the country, their identity, their distribution as well as their symbiotic status are still largely unknown. Through this present study, we proposed to make a contribution to the knowledge of the symbiotic relationships of Casuarina equisetifolia (Forst) in the station of Ben Mhidi (wilaya of El Tarf). We first identified the Casuarina species present in the study station then we demonstrated root colonization by arbuscular endomycorrhizas

In vitro evaluation of the antimicrobial effects of Globularia alypum L. extracts

Globularia alypum. is a plant species of the family Globulariaceae, this species is commonly a good natural source of various secondary metabolites. Therefore, the present study was conducted to determine phenolic content and antimicrobial activity of methanolic (G ME) and aqueous extracts (G AE) of aerial parts of Globularia alypum. The yields were 38%, 27.21% for methanolic extract and aqueous extract respectively. Total phenolic contents were determined using Folin-Ciocalteu reagent and found to be 35.35 mg GAE/g dry weight for aqueous extract and 86.29 mg GAE/g dry weight for methanolic ex

Quantitative Analysis and Antioxidant Effects of SEED Extracts of prickly pear (Opuntia-ficus-indica L.) from Souk-Ahras, (North-East Algeria)

A quantitative investigation was undertaken to explore the diverse applications of Opuntia Ficus-Indica. The study, initiated with a biological examination of seeds, focused on specimens gathered in October 2021 from the Sidi-Fredj area in the Souk-Ahras province of North-East Algeria. Four types of organic extracts: Ethanol, methanol, ethyl acetate, and hexane, underwent quantitative analysis, assessing tannins, flavonoids, and total polyphenols content. Results indicated that the methanolic extract exhibited the highest values for all three components (316; 182.51; and 454.33 µg/mL respecti

Floristic survey and habitat classification of Wadi Soubella Sétif (Algeria)

Wadi Soubella is a fifty km long river at the southern part of Sétif Province. It rises between the Boutaleb and Righa Dhahra mountains, forming a narrow corridor, and flows into the Chott El Hodna, one of the RAMSAR wetlands of Algeria. The study area is characterized by its faunistic, floristic, bioclimatic and landscape diversity, but it faces the threats of intensive drought as well as the construction of a new 17.4 hm3 dam to be installed on the wadi. The aim of the study is to characterize and classify the region's vegetation before the dam brings about environmental changes. Field work

Ethnobotanical study of medicinal plants used to treat female infertility in Setif Region (Algeria)

Algerians possess unique expertise in the utilization, administration, and preservation of botanical resources, which imparts a varied nature to traditional medicine. Documentation and research on the traditional and cultural utilization to medicinal plants are crucial for extracting bioactive compounds and conserving plant species. However, this traditional knowledge will disappear if no measures are taken to preserve it. Present is the study to bring together the ethnobotanical knowledge of traditional practitioners and inhabitants of the Setif region (Estern Algeria) of medicinal plants.

Comparative study of the biological activities of Algerian spirulina (Behatam) and commercial spirulina extracts : Spirulina platensis

Spirulina is a filamentous Cyanobacterium belonging to prokaryotic organisms. Nowadays, it is commercially exploited due to its richness in bioactive molecules with therapeutic properties. This study aimed to valorize Algerian spirulina (behatam) by evaluating its biological activities (antibacterial and antioxidant) in comparison with commercial spirulina used as a reference. The phenolic compounds and flavonoids contents were determined using colorimetric methods. The antioxidant activity was measured by ferric reducing antioxidant power (FRAP) and 1,1-diphenyl-2-picrylhydrazyl methods. More

Estimation of reference floods for Flood RiskPrevention Plans (PPRF) Case of the SafSaf watershed- NE Algeria

In the SafSaf river basin, heavy rain related floods are the natural hazards that is mostly feared by riparians. These floods are becoming a burden in terms of both human and material damages. Over the years, governments have made some structural adjustments to protect civilians and goods in the most vulnerable municipalities. Nevertheless, the damage caused by November 2004 and February 2011 heavy rainfalls showed the reduced effects of such techniques and, therefore, the necessity to review the effectiveness and appropriateness of these measures. The frequency study, the correlation analysis

Free radical scavenging, metal chelating, antilipid peroxidative and in vitro anti-inflammatory activities of Citrullus lanatus flesh

Watermelon (Citrullus lanatus) is a species of Cucurbitaceae. It is abundant in summer, rich in nutrition, and attractive to consumers with great economic benefits. The present study aims to evaluate the in vitro antioxidant and anti-inflammatory activities of the ethanolic extract from watermelon flesh. The antioxidant activity was examined using the scavenging tests against DPPH radicals, hydroxyl radicals and hydrogen peroxide, chelation of iron and β-cartotene bleaching assays. In vitro anti-inflammatory activity was tested by egg albumin denaturation test. Results showed that watermelon

Enzymatic extraction of chitin and production of chitosan nanoparticles by ultrasound from shrimp shell waste, characterization, study of zinc adsorption

This study focused on the enzymatic preparation of chitin and the characterization of the chitosan produced by ultrasound. The results gave a degree of deacetylation (DD) of 82% and a molecular weight of 107±0.44 KDa. Chitosan nanoparticles were synthesized using an ultrasonic system and characterized by FTIR, XRD and SEM. FTIR analysis confirmed the structure of the chitosan nanoparticles, while XRD diffraction revealed crystalline regions in the nanoparticles. SEM images show nanosized chitosan particles in a porous network. Sorption of zinc ions on chitosan showed efficient removal rates,

Studying and modeling to improve the system of a point absorber buoy for converting sea wave energy to support aquaculture in Binh Thuan province

In a previous paper, sea wave energy in the Phan Thiet (Binh Thuan) sea was studied using the point absorber method [1]. In this paper, we study and modeling to improve wave energy harvesting efficiency to support aquaculture in this sea area. We collected parameters of the wave energy in Phan Thiet sea in 2018 and combined them with the floating body dynamics equation for a point absorber buoy, we studied and analyzed the absorber dynamics equation with the aim of maximizing absorbed power by providing a natural period that is close to the predominant wave periods of the sea site for the poin