Biological properties of functional flavoring produced by enzymatic esterification of citronellol and geraniol present in Cymbopogon winterianus essential oil

2020 ◽  
pp. 1-7
Author(s):  
Amanda Staudt ◽  
Patrícia Fonseca Duarte ◽  
Bruna Paes do Amaral ◽  
Bárbara Carolina de Oliveira Peixoto Andrade ◽  
Naomi Kato Simas ◽  
...  
2011 ◽  
Vol 166 (1) ◽  
pp. 13-21 ◽  
Author(s):  
Natália Paroul ◽  
Luana Paula Grzegozeski ◽  
Viviane Chiaradia ◽  
Helen Treichel ◽  
Rogério L. Cansian ◽  
...  

2019 ◽  
Vol 16 (4) ◽  
pp. 330-339 ◽  
Author(s):  
Ruchi Sharma ◽  
Rekha Rao ◽  
Sunil Kumar ◽  
Sheefali Mahant ◽  
Sarita Khatkar

Mosquito-borne diseases such as malaria, filariasis, chikunguniya, yellow fever, dengue and Japanese encephalitis are the major cause of remarkable morbidity and mortality in livestock and humans worldwide. Since ancient times, aromatic plants are used for their medicinal value. Essential oils derived from these plants may be used as effective alternatives/adjuvants in pharmaceuticals, biomedical, cosmetic, food, veterinary and agriculture applications. These oils have also gained popularity and interest for prevention and treatment of various disorders. However, several reports on adverse effects including skin eruption, contact artricaria or toxic encephalopathy in children are available for synthetic repellent in the literature. Thus, natural insect repellents like essential oils have been explored recently as an alternative. One such essential oil studied widely, is citronella oil, extracted mainly from Cymbopogon nardus. This essential oil has exhibited good efficacy against mosquitoes. It is a mixture of components including citronellal, citronellol, geraniol as major constituents contributing to various activities (antimicrobial, anthelmintic, antioxidant, anticonvulsant antitrypanosomal and wound healing), besides mosquito repellent action. Citronella essential oil is registered in US EPA (Environmental protection agency) as insect repellent due to its high efficacy, low toxicity and customer satisfaction. However, poor stability in the presence of air and high temperature limits its practical applications. Since specific knowledge on properties and chemical composition of oil is fundamental for its effective application, the present review compiles and discusses biological properties of citronella oil. It also sheds light on various formulations and applications of this essential oil.


2021 ◽  
pp. 1-36
Author(s):  
Rambod Abiri ◽  
Narges Atabaki ◽  
Ruzana Sanusi ◽  
Sonia Malik ◽  
Ramin Abiri ◽  
...  

Plants ◽  
2021 ◽  
Vol 10 (6) ◽  
pp. 1066
Author(s):  
Fahima Abdellatif ◽  
Muhammad Akram ◽  
Samir Begaa ◽  
Mohammed Messaoudi ◽  
Adel Benarfa ◽  
...  

This study describes the minerals elements, chemical composition, antioxidant and antimicrobial activities of Algerian Melissa officinalis plant. The essential oil (EO) was extracted by hydrodistillation (HD) using a Clevenger-type apparatus of dry leaves of M. officinalis and was analyzed by two techniques, gas chromatography coupled with flame ionization (GC-FID) and gas chromatography coupled with mass spectrometry (GC-MS). Eighteen minerals comprising both macro- and microelements (As, Br, K, La, Na, Sb, Sm, Ba, Ca, Ce, Co, Cr, Cs, Fe, Rb, Sc, Th, and Zn) were determined using neutron activation analysis technique for the first time from Algerian Melissa officinalis plant. Seventy-eight compounds were identified in the essential oil, representing 94.090% of the total oil and the yields were 0.470%. The major component was geranial (45.060%). Other predominant components were neral (31.720%) and citronellal (6.420%). The essential oil presented high antimicrobial activity against microorganisms, mainly five human pathogenic bacteria, one yeast, Candida albicans, and two phytopathogenic fungi. The results can be used as a source of information for the pharmaceutical industry and medical research.


Foods ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 121
Author(s):  
Ghita Amor ◽  
Mohammed Sabbah ◽  
Lucia Caputo ◽  
Mohamed Idbella ◽  
Vincenzo De Feo ◽  
...  

The essential oil (EO) from basil—Ocimum basilicum—was characterized, microencapsulated by vibration technology, and used to prepare a new type of packaging system designed to extend the food shelf life. The basil essential oil (BEO) chemical composition and antimicrobial activity were analyzed, as well as the morphological and biological properties of the derived BEO microcapsules (BEOMC). Analysis of BEO by gas chromatography demonstrated that the main component was linalool, whereas the study of its antimicrobial activity showed a significant inhibitory effect against all the microorganisms tested, mostly Gram-positive bacteria. Moreover, the prepared BEOMC showed a spheroidal shape and retained the EO antimicrobial activity. Finally, chitosan-based edible films were produced, grafted with BEOMC, and characterized for their physicochemical and biological properties. Since their effective antimicrobial activity was demonstrated, these films were tested as packaging system by wrapping cooked ham samples during 10 days of storage, with the aim of their possible use to extend the shelf life of the product. It was demonstrated that the obtained active film can both control the bacterial growth of the cooked ham and markedly inhibit the pH increase of the packaged food.


2019 ◽  
Vol 130 ◽  
pp. 253-258 ◽  
Author(s):  
Seyedeh Faezeh Taghizadeh ◽  
Ramin Rezaee ◽  
Masoumeh Mehmandoust ◽  
Fatemeh Sadat Madarshahi ◽  
Aristidis Tsatsakis ◽  
...  

2020 ◽  
Vol 21 (4) ◽  
Author(s):  
Katarzyna Antoniak ◽  
Marlena Dudek-Makuch ◽  
Wiesława Bylka

Licorice has been used in medicine for ancient times. Licorice root contains active compounds with different activities: saponins, flavonoids, coumarins and essential oil. It shows diverse biological properties. This article presents current achievements with clinical trials and creates new possibilities to use licorice in therapy. It has been proved effectiveness of licorice preparations in infectious diseases of respiratory tract, aphthous stomatitis, in dermatoses and also in skin care. The conducted researches on licorice preparations, especially DGL, present on the pharmaceutical market, which are recommended in gastrointestinal ulceration, have not proved their anti-ulcerative effect. The results of some clinical trials may, however, raise doubts due to the small groups and sometimes the lack of randomization or standardization of the studied preparation. Due to its sweet taste, it is used as a corrigens.


2015 ◽  
Vol 9 (2) ◽  
pp. 9-13 ◽  
Author(s):  
Amir Hossein Saeidnejad ◽  
Peyman Rajaei

Essential oils constitute a heterogeneous collection of chemical compounds. Their main characteristics are that they all synthesized by plants and are volatile and mostly soluble in ethanol. They have traditionally been obtained from plants and they have been widely used for insecticidal, medicinal and cosmetic purposes. Essential oils contains about 20–60 components at quite different concentrations and they are characterized by two or three major components at fairly high concentrations. Lately, the essential oils and various extracts of plants have gained special interest as sources of natural antimicrobial and antioxidant agents because of the resistance to antibiotics that some microorganisms have acquired and the possible toxicities of the synthetic antioxidants. Spices consumed daily in different types of food to improve flavors, since ancient times, are well known for their antioxidant and antimicrobial properties. During recent decades, numerous numbers of plants have been monitored for their possible role as repellents and insecticides. In this review, the chemical composition profile of some important medicinal plants was evaluated, then antimicrobial properties of a number of essential oils was compared. Antioxidant activity of some essential oils was also considered. Finally, essential oil repellent properties an an important characteristics was evaluated. Further investigation for available data related to the other biological properties of medicinal plants essential oil is recommended.DOI: http://dx.doi.org/10.3126/ijls.v9i2.12043 International Journal of Life Sciences 9 (2) : 2015; 9-13


AGROFOR ◽  
2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Amina BESSEDIK

Cuminum cyminum (in arabic: Kemoun) is an important source of therapeutic, cosmetic, bio-food and technological agents. Ancient civilizations used this plant for therapeutic purposes. Extracts from this plant are nowadays strongly used in the industrial and research fields, particularly for the medicinal, pharmacological and cosmetological purposes. Bioactive molecules extracted from Cuminum cyminum may express biocidal activities and prove to be good candidates for new antioxidants. The objective of the present work is to evaluate the biological properties of this plant, including antibacterial and antioxidant effects. The seeds of cumin are harvested at the wilaya of Biskra, and stored in a dry place until their use. They were identified at Hassiba Benbouali University of Chlef. Essential oil is obtained by hydro-distillation using a Clivenger type device (AFNOR, 2000). The obtained sample is stored in sealed bottles at low temperature (4°C) and away from light. The antibacterial effect is assessed by the disc method. The minimum inhibitory concentration (MIC) is determined by standard methods. The antioxidant activity is evaluated by the DPPH free radical trapping method of the methanolic extracts. The essential oil of C. cyminum shows a better activity against Gram+ strains compared to Gram- strains. The determination of MICs leads to the conclusion that its activity can be triggered at a very low concentration. The reaction with DPPH gives an interesting IC50. This testifies to the ability of this essential oil to reduce free radicals. Thanks to the antibacterial activities that we have highlighted, cumin can be considered as a palliative that could replace certain antibiotics. Moreover, its antioxidant activity allows us to use it as a natural food additive.


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