The physicochemical traits and an array of organic and inorganic contaminants were monitored in monofloral honeys (i.e., jujube [], sweet orange [], PGI Euphorbia [] and ) from the Moroccan Béni Mellal-Khénifra region (i.e., Khénifra, Beni Méllal, Azlal and Fquih Ben Salah provinces). Moroccan honeys were in line with the physicochemical standards set by the European Union. However, a critical contamination pattern has been outlined. In fact, jujube, sweet orange, and PGI Euphorbia honeys contained pesticides, such as acephate, dimethoate, diazinon, alachlor, carbofuran and fenthion sulfoxide, higher than the relative EU Maximum Residue Levels. The banned 2,3',4,4',5-pentachlorobiphenyl (PCB118) and 2,2',3,4,4',5,5'-heptachlorobiphenyl (PCB180) were detected in all samples and quantified in jujube, sweet orange and PGI Euphorbia honeys; while polycyclic aromatic hydrocarbons (PAHs), such as chrysene and fluorene, stood out for their higher contents in jujube and sweet orange honeys. Considering plasticizers, all honeys showed an excessive amount of dibutyl phthalate (DBP), when (improperly) considering the relative EU Specific Migration Limit. Furthermore, sweet orange, PGI Euphorbia and honeys were characterized by Pb exceeding the EU Maximum Level. Overall, data from this study may encourage Moroccan governmental bodies to strengthen their monitoring activity in beekeeping and to find suitable solutions for implementing more sustainable agricultural practices.
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http://dx.doi.org/10.3390/foods12050969 | DOI Listing |
J Agric Food Chem
December 2024
Citrus Research and Education Center, Department of Microbiology and Cell Science, Institute of Food and Agricultural Sciences (IFAS), University of Florida, Lake Alfred, Florida 32611, United States.
Salicylic acid (SA) exhibits positive effects against Huanglongbing (HLB), but how SA affects citrus resistance to HLB is currently unknown. This study conducted integrated transcriptome and metabolome analyses on SA-treated (HLB-sensitive) and (HLB-tolerant). The results indicated that the syntheses of flavones and flavonols were induced by SA, while the expression levels of associated genes and the contents of corresponding metabolites varied significantly between the two species after SA treatment or HLB infection.
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Key Laboratory of National Forestry and Grassland Administration on Plant Conservation and Utilization in Southern China & Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, Guangdong, China.
Exploring the new elements to re-design the expression cassette is crucial in synthetic biology. Viruses are one of the most important sources for exploring gene expression elements. In this study, we found that the DNA sequence of the SBG51 deltasatellite from the Sweet potato leaf curl virus (SPLCV) greatly enhanced the gene expression when flanked downstream of the terminator.
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Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands.
The species complex (FLSC) currently comprises 11 phylogenetic species, including accepted names such as , , and , which have mostly been reported in association with citrus and coffee. Many varieties were documented by Wollenweber & Reinking (1935), which is indicative of a wider diversity of species within this group. The lack of type material in some cases, especially for the older names, means that definition by molecular phylogeny is very difficult.
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Institute of Food and Biotechnology, Can Tho University, Can Tho 900000, Viet Nam.
This study analyzed the nutritional composition, bioactive compounds, antioxidant activities and estimated potential renal acid load (PRAL) score of orange-fleshed sweet potato (OFSP) grown in Vietnam. In addition, important functional groups of carotenoid compounds in OFSP were identified by Fourier transform infrared spectroscopy (FTIR); carotenoid pigments were detected and quantified by high-performance liquid chromatography (HPLC). The results showed that, OFSP had outstanding physicochemical characteristics, containing many nutrients, bioactive substances, minerals and fiber.
View Article and Find Full Text PDFPlant Physiol Biochem
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Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of Science and Technology Research on Fruit Tree, Guangzhou, 510640, China. Electronic address:
Citrus bacterial canker has deleterious effects on global citrus production. The mitogen-activated protein kinase (MAPK) signaling cascade regulates plant defense against pathogen infection. Here, we identified 11 MAPKs in Atalantia buxifolia, a wild citrus species with high stress tolerance.
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