Two new 7-carbon compounds, 1 and 2, have been found in the culture medium of Phycomyces blakesleeanus. A genetic test showed that they derive from beta-carotene. These new molecules represent the missing link that proves that beta-carotene is split into fragments of 18, 15 and 7 carbon fragments, each head of a separate family of apocarotenoids.
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http://dx.doi.org/10.1039/c0ob00321b | DOI Listing |
Foods
August 2024
Phytochemical Food Network Group, Department of Crop Sciences, Tshwane University of Technology, Pretoria 0183, South Africa.
Baby spinach is becoming increasingly popular as a salad ingredient and needs high fertiliser rates to grow well and attain higher-quality leaves (dark green leaves). Chemical fertilisers, especially nitrogen (N), boost yields. There are many risks associated with nitrogen fertilisation.
View Article and Find Full Text PDFPlants (Basel)
March 2024
Division of Horticulture and Landscape Architecture, Department of Viticulture and Enology, Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia.
During the ripening process of grapes, the grapevine leaves are the most active green organs that are important for photosynthesis, which is closely linked to the development and metabolism of the plant. The detection of plant pigments and phenolic compounds in grapevine leaves can be a good indicator of the ageing process, vine vigor and the plant's ability to respond to fungal attack. In a one-year study, the development of leaf chlorophylls, carotenoids and phenolic compounds during the ripening of six indigenous Croatian grape cultivars and the international cultivars Merlot and Chardonnay was investigated.
View Article and Find Full Text PDFSpectrochim Acta A Mol Biomol Spectrosc
April 2024
Department of Chemistry, Renmin University of China, Beijing 100872, People's Republic of China. Electronic address:
Carotenoid aggregates are omnipresent in natural world and can be synthesized in hydrophilic environments. Despite different types of carotenoid aggregates have been reported hitherto, the way to predict the formation of carotenoid aggregates, i.e.
View Article and Find Full Text PDFFront Nutr
November 2023
Department of Plant Sciences, "Ion Ionescu de la Brad" University of Life Sciences, Iași, Romania.
Introduction: The need for healthy foods has become a major concern in our modern world, as the global population continues to grow and environmental challenges intensify. In response to these challenges, researchers have started to explore a range of sustainable solutions, including organic farming practices, precision agriculture, and the development and testing of innovative biofertilizers. Consistent with these ideas come the aim of this study, which sets out to give new insights into the cultivation of two sweet pepper cultivars with economic and nutritional importance in Romania.
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September 2023
Department of Chemical Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada.
Astaxanthin is a powerful antioxidant and is used extensively as an animal feed additive and nutraceutical product. Here, we report the use of the β-carotene hydroxylase (CBFD1) and the β-carotene ketolase (HBFD1) from , a flowering plant, to produce astaxanthin in equipped with the β-carotene pathway and an over-expressed 4-methylerythritol-phosphate (MEP) pathway or the isopentenol utilization pathway (IUP). Introduction of the over-expressed MEP pathway and the IUP resulted in a 3.
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