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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 05

27 May 2024



Volume - 57 , Issue 05

31 May 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

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

Effects of Thymelaea hirsuta crude extracts on gastric emptying and intestinal transit in mice: underlying mechanism of action

Thymeleae hirsuta (T. hirsuta) have been traditionally used for various medicinal purposes, including the treatment of inflammation, hypertension, and digestive disorders. This study aims to investigate the effects of decocted (DE) and hydromethanol (HME) extracts from T. hirsuta aerial parts on gastric emptying and intestinal transit in mice, as well as elucidate the underlying mechanisms. Gastric emptying and intestinal transit were assessed in mice following oral administration of DE and HME at different doses (125 mg/Kg, 250 mg/Kg, 500 mg/Kg). Pharmacological substances were used to explor

First detection and prompt pinpointing of pectinolytic bacteria causing blackleg and soft rot of potato in East-Algeria

Potato (Solanum tuberosum L) is a staple food considered as key factor in food and nutritional security, especially in developing countries and it is the target of many phyto-bacteriosis. Pectinolytic bacteria, responsible for blackleg disease and soft rot, are among the most destructive bacterial diseases in this crop worldwide. The present study is a substantial contribution to the survey of occurrence of pectinolytic Soft Rot Enterobacteriaceae (SRE) in Algeria. Isolation and identification of local strains were performed on potato plants recovered from EL-Harrouch district (north-east Alge

Phytochemical studies and Antifungal activity of leaves of Myrtus communis L. from Algeria

A chemical investigation of the leaves of Myrtus communis afforded three flavonoids, namely myricetin, myricetin-3-O-α–rhamnoside and myricetin-3-O- β- glucoside. The structures of the isolated compounds were established by chromatographic behavior and by means of UV, NMR and MS spectral analysis, as well as comparison with literature values. Moreover, the antifungal activity test was carried out on chloroform extract and essential oil of the leaves of Myrtus communis, using the direct contact method against Fusarium oxysporum f. sp. Lycopersici (FOL). Only essential oil showed an activit

Antioxidant, antihemolytic, antiinflammatory and analgesic Activities of flowers methanol extract of Malva sylvestris L

Malva sylvestris widely used in traditional medicine, is a kind of mallow derived from Malvaceae species and is recognized in Algeria as khoubaiz. This work focuses on the phytochemical study and evaluation of antioxidant, antihemolytic, anti-inflammatory and analgesic activities of flowers methanolic extract of Malva sylvestris. The phytochemical analysis revealed that the extract is rich in polyphenols (74.26±18.70 µg EGA/g extract), and in tannins (18.98±1.33 µg EC/mg extract). The antioxidant activity was investigated by DPPH, ferrous iron chelation, reducing power and AAPH tests. Resu

Evaluation of the acetylcholinesterase inhibitory and antioxidant activities of leaves from lesser burdock

Classical pharmacopoeia is replete with compounds that show therapeutic potential, including the ability to inhibit enzymes associated with specific diseases. The aim of this study was to evaluate the in vitro neuroprotective effects of extracts derived from the leaves of Arctium minus subsp. atlanticum, commonly known as "lesser burdock", an indigenous plant found in Algeria. The extracts were obtained using ethyl acetate, water/methanol, and aqueous extraction methods, and their efficacy against Alzheimer's disease (AD) was assessed. Different extracts were prepared by maceration or decoctio

Studying the Influence of Water Availability on Morphological and Yield Characteristics of Brassica napus L. in a Semi-Arid Environment.

To determine the effectiveness of irrigation, we studied some morphological and yield characteristics of a variety of rapeseed (Brassica napus L.) in the semi-arid highland region, El-Hammadia Bordj Bou Arreridj. The results showed an acceptable fit for all endpoints monitored, including trunk diameter, plant height, leaf area, number of silics per plant, and number of grains per silic. Despite the scarcity of rainfall, this crop yielded 12 qx/ha, with ramifications exceeding 731 and an average of over 370 silics per plant, underlining the need to grow it in various regions.

GC/MS analysis and in vitro antioxidant activity of the essential oil of Thymus ciliatus from northeastern Algeria

The components of essential oils of samples of the aerial parts of Thymus ciliatus (Desf.) Benth., collected at northeastern Algeria in different harvest period, isolated by steam distillation (TC/OL 2015) and hydrodistillation (TC/HE 2016) were analyzed by Gas Chromatography (GC) / Gas Chromatography-Mass Spectrometry (GC-MS and assayed for their antioxidant activities. Although both samples showed similar overall chemical compositions, the principal components were Camphor (44.47-33.18 %), Camphene (7.33-12.22%), Eucalyptol (6.97-6.69%), 4-Terpinenol (3.52- 6.27%), α-Pinene (2.72 -5.84%),

Assessment Of Iron and Zinc Content In Sorghum Germplasm: Implications For Biofortification

Ensuring adequate levels of essential micronutrients like iron (Fe) and zinc (Zn), in staple crops is crucial for addressing widespread micronutrient deficiencies and improving human health. The identification of germplasms with high grain Iron and Zinc concentrations represents a significant step forward in promoting crop biofortification efforts. Here in our study out of 86 germplasm 10 were found with high iron contents are IL 497, MR 47, IS 20575, AS 3883, ICSV 202, TNS 599, AS 3749, MIS 9652, MR 32B, SPV 615 and the 10 genotypes with low iron contents are IL 1136, MR 8, AS 2407, M-1061, I