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JOURNAL ARTICLE
Xiaoyue Lun, Jin Meina, Chen Zejun, Cao Yan, Zhang Xiangzhi, Xiuxiu Xu, Li Yusheng, Wang Hanyue, Zhengqun Zhang
BACKGROUND: Apolygus lucorum is one of the most important piercing-sucking insect pests of the tea plant. In this study, we assessed the attractiveness of basil plants to A. lucorum and the effectiveness of Ocimum gratissimum L. in the control of A. lucorum. The control efficiency of main volatile chemicals emitted from O. gratissimum flowers was also evaluated. RESULTS: Among seven basil varieties, O. gratissimum was more attractive to A. lucorum adults and was selected as a trap plant to assess its attractiveness to A...
April 8, 2024: Pest Management Science
#22
REVIEW
Mariana Farhat, Agnès Borbon, Charbel Afif, Shouwen Zhang, Sébastien Dusanter, Hervé Delbarre, Véronique Riffault, Stéphane Sauvage
Terpenoids have long been known to originate from natural sources. However, there is growing evidence for emissions from anthropogenic activities in cities, in particular from the production, manufacturing, and use of household solvents. Here, as part of the DATAbASE (Do Anthropogenic Terpenoids mAtter in AtmoSpheric chEmistry?) project, we investigate for the first time the potential role of industrial activities on the terpenoid burden in the urban atmosphere. This study is based on continuous VOC observations from an intensive field campaign conducted in July 2014 at an industrial-urban background site located in Dunkirk, Northern France...
April 5, 2024: Science of the Total Environment
#23
JOURNAL ARTICLE
Kathryn L Linge, Leif Cooper, Angela Downey
A global demand for tea tree oil (TTO) has resulted in increased adulteration in commercial products. In this study, we use a novel enantiomeric gas chromatography mass spectrometry method for chiral analysis of key terpenes ((±)-terpinen-4-ol, (±)-α-terpineol, and (±)-limonene) and quantification of components present at >0.01% to test different methods of identifying adulterated TTO. Data from authentic Australian ( n = 88) and oxidized ( n = 12) TTO samples of known provenance were consistent with recommended ranges in ISO 4730:2017 and previously published enantiomeric ratios, with p -cymene identified as the major marker of TTO oxidation...
April 3, 2024: Journal of Agricultural and Food Chemistry
#24
JOURNAL ARTICLE
Shan-Cheng Yi, Xin-Hui Chen, Yu-Hang Wu, Juan Wu, Jia-Qing Wang, Man-Qun Wang
BACKGROUND: The important wood-boring pest Batocera horsfieldi has evolved a sensitive olfactory system to locate host plants. Odorant-binding proteins (OBPs) are thought to play key roles in olfactory recognition. Therefore exploring the physiological function of OBPs could facilitate a better understanding of insect chemical communications. RESULTS: In this research, 36 BhorOBPs genes were identified via transcriptome sequencing of adults' antennae from B. horsfieldi, and most BhorOBPs were predominantly expressed in chemosensory body parts...
April 3, 2024: Pest Management Science
#25
JOURNAL ARTICLE
Yui Yamazaki, Tatsuru Hitomi, Chishu Homma, Tharatorn Rungreungthanapol, Masayoshi Tanaka, Kou Yamada, Hiroshi Hamasaki, Yoshiaki Sugizaki, Atsunobu Isobayashi, Hideyuki Tomizawa, Mina Okochi, Yuhei Hayamizu
Replicating the sense of smell presents an ongoing challenge in the development of biomimetic devices. Olfactory receptors exhibit remarkable discriminatory abilities, including the enantioselective detection of individual odorant molecules. Graphene has emerged as a promising material for biomimetic electronic devices due to its unique electrical properties and exceptional sensitivity. However, the efficient detection of nonpolar odor molecules using transistor-based graphene sensors in a gas phase in environmental conditions remains challenging due to high sensitivity to water vapor...
April 3, 2024: ACS Applied Materials & Interfaces
#26
JOURNAL ARTICLE
Lison Marie, Jean-Christophe Breitler, Pingdwende Kader Aziz Bamogo, Mélanie Bordeaux, Séverine Lacombe, Maëlle Rios, Marc Lebrun, Renaud Boulanger, Eveline Lefort, Sunao Nakamura, Yudai Motoyoshi, Delphine Mieulet, Claudine Campa, Laurent Legendre, Benoît Bertrand
BACKGROUND: The fruity aromatic bouquet of coffee has attracted recent interest to differentiate high value market produce as specialty coffee. Although the volatile compounds present in green and roasted coffee beans have been extensively described, no study has yet linked varietal molecular differences to the greater abundance of specific substances and support the aroma specificity of specialty coffees. RESULTS: This study compared four Arabica genotypes including one, Geisha Especial, suggested to generate specialty coffee...
April 3, 2024: BMC Plant Biology
#27
JOURNAL ARTICLE
Giulia Foggi, Melissa Terranova, Matteo Daghio, Sergej L Amelchanka, Giuseppe Conte, Simon Ineichen, Monica Agnolucci, Carlo Viti, Alberto Mantino, Arianna Buccioni, Michael Kreuzer, Marcello Mele
BACKGROUND: Dietary supplements based on tannin extracts or essential oil compounds (EOC) have been repeatedly reported as a promising feeding strategy to reduce the environmental impact of ruminant husbandry. A previous batch culture screening of various supplements identified selected mixtures with an enhanced potential to mitigate ruminal methane and ammonia formation. Among these, Q-2 (named after quebracho extract and EOC blend 2, composed of carvacrol, thymol, and eugenol) and C-10 (chestnut extract and EOC blend 10, consisting of oregano and thyme essential oils and limonene) have been investigated in detail in the present study with the semi-continuous rumen simulation technique (Rusitec) in three independent runs...
April 2, 2024: Journal of Animal Science and Biotechnology
#28
JOURNAL ARTICLE
Characterization and antioxidant activity of peel extracts from three varieties of citrus sinensis .
Ogo Ogo, Ngutor Hembafan, Raphael Amokaha, Oloche Jeremiah, Bawa Inalegwu
High volume of postharvest materials including peels from citrus fruits is periodically generated, which contributes to environmental pollution. Investigating the chemical composition cum antioxidant property of these 'wastes' would be instructive in achieving value addition in the food and pharmaceutical value chain. On this premise, this study carried out phytochemical screening and antioxidant activity of three (3) commonly cultivated citrus varieties namely Citrus sinensis 'valencia', Citrus sinensis 'washinton' and Citrus sinensis 'thompson navel'...
April 15, 2024: Heliyon
#29
JOURNAL ARTICLE
Dilara Nur Dikmetas, Dilara Devecioglu, Funda Karbancioglu-Guler, Derya Kahveci
Orange is one of the primary fruits processed into juice and other products worldwide, leading to a vast amount of waste accumulation. Such waste has been considered as an attractive candidate for upcycling to obtain bioactive components remaining. The present study investigated the extraction of essential oil (EO), flavonoids, and pectin from industrial orange waste with a holistic approach. To maximize EO yield and d-limonene concentration, hydrodistillation (HD) conditions were selected to be 5.5 mL water/g solid for 180 min...
March 26, 2024: ACS Omega
#30
JOURNAL ARTICLE
Toshihide Nishimura, Chisato Yamaguchi, Koumi Miyazaki, Reina Chikaraishi
This study was investigated the effect of adding fat to pork sausage on taste and aroma persistence. Sensory evaluation indicated that increasing fat content intensified umami and saltiness perception, enhancing the mouthfulness and flavor persistence, leading to Koku enhancing effect. Gas chromatography/mass spectrometry (GC/MS) analysis identified aroma compounds such as β-pinene, 3-carene, D-limonene, octanal, nonanal, caryophyllene, and methyl eugenol, which were consistently present regardless of fat content...
2024: Journal of Oleo Science
#31
Francisco José Navarro-Triviño, Leopoldo Borrego, Juan Francisco Silvestre-Salvador, Pedro Mercader-García, Ana M Giménez-Arnau, Francisco Javier Ortiz de Frutos, Tatiana Sanz-Sánchez, Gemma Melé-Ninot, Araceli Sánchez-Gilo, Violeta Zaragoza-Ninet, Esther Serra-Baldrich, Javier Miquel-Miquel, Susana Córdoba-Guijarro, Mercedes Rodríguez-Serna, Inmaculada Ruíz-González, José Manuel Carrascosa-Carrillo, Enrique Gómez de la Fuente, María Antonia Pastor-Nieto, Felipe Heras-Mendaza, Ricardo González-Pérez, Paloma Sánchez-Pedreño Guillén, Javier Sánchez-Pérez, María Elena Gatica-Ortega, Virginia Fernández-Redondo, Marcos Hervella-Garcés, Pilar Manrique-Martínez, Dolores Guimaraens-Juanena, Juan García-Gavín, Elena Giménez-Arnau, Ignaci Figueras-Nart, Laia Curto-Barredo, José Carlos Armario-Hita
After the meeting held by the Spanish Contact Dermatitis and Skin Allergy Research Group (GEIDAC) back in October 2021, changes were suggested to the Spanish standard series patch testing. Hydroxyethyl methacrylate (2% pet.), textile dye mixt (6.6% pet.), linalool hydroperoxide (1% pet.), and limonene hydroperoxide (0.3% pet.) were, then, added to the series that agreed upon in 2016. Ethyldiamine and phenoxyethanol were excluded. Methyldibromoglutaronitrile, the mixture of sesquiterpene lactones, and hydroxyisohexyl 3-cyclohexene (Lyral) were alo added to the extended Spanish series of 2022...
March 29, 2024: Actas Dermo-sifiliográficas
#32
JOURNAL ARTICLE
Snigdha Srivastava, Reema Sinha, Rahul Kaushik, Rajan Kumar Kurmi
BACKGROUND: Carvone is a monoterpene ketone in mint plants and some Mediterranean spices. In Carvone, chemical compounds occur in two enantiomers, S (+) carvone and R (-) carvone. These two enantiomeric forms of carvone are identical in terms of their physical and chemical characteristics and only differ in terms of their rotatory power based on their smell. Caraway has also been utilized to treat newborns' flatulent colic and to treat adults' anxious cardiac- gastric symptoms, spasmodic gastrointestinal complaints, flatulence, irritated stomach, indigestion, lack of appetite, and dyspepsia...
March 27, 2024: Central Nervous System Agents in Medicinal Chemistry
#33
JOURNAL ARTICLE
Kathy Swor, Ambika Poudel, Prabodh Satyal, William N Setzer
As part of our interest in the volatile phytoconstituents of aromatic plants of the Great Basin, we have obtained essential oils of Ambrosia acanthicarpa (three samples), Artemisia ludoviciana (12 samples), and Gutierrezia sarothrae (six samples) from the Owyhee Mountains of southwestern Idaho. Gas chromatographic analyses (GC-MS, GC-FID, and chiral GC-MS) were carried out on each essential oil sample. The essential oils of A. acanthicarpa were dominated by monoterpene hydrocarbons, including α-pinene (36...
March 20, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
#34
JOURNAL ARTICLE
Qianqian Qian, Zhihang Zhuo, Yaqin Peng, Danping Xu
Essential oils are secondary metabolites in plants with a variety of biological activities. The flavor and quality of Zanthoxylum armatum DC. are mainly determined by the essential oil components in the Chinese prickly ash peels. In this study, the correlation between climate change in different regions and the content of essential oils of Z. armatum was investigated using gas chromatography-mass spectrometry (GC/MS) and multivariate statistical analysis. The Z1-24 refers to 24 batches of samples from different habitats...
March 18, 2024: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
#35
JOURNAL ARTICLE
Sarmed H Kathem, Yasameen Sh Nasrawi, Shihab H Mutlag, Surya M Nauli
The human gastrointestinal system is a complex ecosystem crucial for well-being. During sepsis-induced gut injury, the integrity of the intestinal barrier can be compromised. Lipopolysaccharide (LPS), an endotoxin from Gram-negative bacteria, disrupts the intestinal barrier, contributing to inflammation and various dysfunctions. The current study explores the protective effects of limonene, a natural compound with diverse biological properties, against LPS-induced jejunal injury in mice. Oral administration of limonene at dosages of 100 and 200 mg/kg was used in the LPS mouse model...
March 12, 2024: Biomolecules
#36
JOURNAL ARTICLE
Nancy Flores, Julia Prado, Rosario Espin, Hortensia Rodríguez, José-Manuel Pais-Chanfrau
BACKGROUND: The excessive use of synthetic insecticides in modern agriculture has led to environmental contamination and the development of insect resistance. Also, the prolonged use of chemical insecticides in producing flowers and tomatoes in greenhouses has caused health problems for workers and their offspring. In this study, we analyzed the efficacy of mandarin peel ( Citrus reticulata L.) essential oil (EO) as a natural insecticide against greenhouse whitefly ( Trieurodes vaporariorum W...
2024: PeerJ
#37
JOURNAL ARTICLE
Nara Yaowiwat, Worrapan Poomanee, Pimporn Leelapornpisid, Waruttaya Sripatanakul
This study aimed to extract and modify the properties of the starch from Thai mango seeds (cultivar Chok-Anan). The porous starch samples were obtained using enzymatic treatment and its potential to retain aroma compounds from coffee extract was evaluated. The physicochemical properties, structure characteristics, porosity characteristics and adsorption quantity of starches were also determined. The retention of coffee aroma compounds was investigated through combining starch or porous starch with odorants, and storing the mixtures at room temperature for 7 and 14 days, respectively...
March 20, 2024: International Journal of Biological Macromolecules
#38
JOURNAL ARTICLE
Bassem A Sabry, Ahmed Noah Badr, Dina Mostafa Mohammed, Marwa A Desoukey, Amr Farouk
Latest studies indicated that agro-food wastes are considered renewable sources of bioactive compounds. This investigation aimed to utilize natural extracts of citrus peels as antimicrobial and anti-aflatoxigenic agents for food safety. The bioactivity of two citrus peels was assessed by total phenolic, flavonoids, and antioxidant activity. Nanoemulsions were manufactured using high-speed homogenization. The mean particle size of the nanoemulsions ranged from 29.41 to 66.41 nm with a polydispersity index of 0...
March 30, 2024: Heliyon
#39
JOURNAL ARTICLE
Pranjal Kumar Singh, Nidhi Singh, Atul Pratap Singh, Poonam Bhardwaj, Kapil Sachan, Smita Singh
Organic solvents are hazardous and should be replaced with less harmful alternatives. When developing a new formulation for a medicine with low aqueous solubility, improving its solubility might be a significant difficulty. According to the mixed solvency concept, a novel concept of solubilization, the solubility of poorly soluble drugs can be increased by dissolving them in a concentrated solution comprising various substances. Methods commonly used to improve solubility include complexation, pH modification, salt formation, hydrotropy, cosolvency, and micelle solubilization...
March 19, 2024: Combinatorial Chemistry & High Throughput Screening
#40
JOURNAL ARTICLE
Reem Abd Elhameed Aldeeb, Sherihan Salaheldin Abdelhamid Ibrahim, Islam Ahmed Khalil, Ghada Mohamed Ragab, Amira Ahmed El-Gazar, Amal Anwar Taha, Doaa Hussien Hassan, Asmaa Ahmed Gomaa, Mona Kamal Younis
The majority of conventional osteoarthritis (OA) treatments are based on molecular adjustment of certain signaling pathways associated with osteoarthritis (OA) pathogenesis, however there is a significant need to search for more effective and safe treatments. This study centers around formulating Aceclofenac (ACF) with high bioavailability in combination with Citronellol oil and collagen. The optimal concentrations of Citronellol oil/D-Limonene oil, Tween 80, and Transcutol HP were determined using a pseudoternary phase diagram...
March 19, 2024: Drug Delivery and Translational Research
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