Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 413480
Title Metabolite biodiversity in pepper (Capsicum) fruits of thirty-two diverse accessions : variation in health-related compounds and impliciations for breeding
Author(s) Wahyuni, Y.; Ballester, A.R.; Sudarmonowati, E.; Bino, R.J.; Bovy, A.G.
Source Phytochemistry 72 (2011)11-12. - ISSN 0031-9422 - p. 1358 - 1370.
DOI https://doi.org/10.1016/j.phytochem.2011.03.016
Department(s) Laboratory of Plant Physiology
PRI Biodiversity and Breeding
PRI BIOS Applied Metabolic Systems
AFSG Staff Departments (FBR)
WUR Plant Breeding
EPS
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) capsanthin-capsorubin synthase - annuum-l - ascorbic-acid - liquid-chromatography - capsaicinoid analogs - antioxidant activity - carotenoid-pigments - mass-spectrometry - candidate gene - ch-19 sweet
Abstract A comprehensive study on morphology and biochemical compounds of 32 Capsicum spp. accessions has been performed. Accessions represented four pepper species, Capsicum annuum, Capsicum frutescens, Capsicum chinense and Capsicum baccatum which were selected by their variation in morphological characters such as fruit color, pungency and origin. Major metabolites in fruits of pepper, carotenoids, capsaicinoids (pungency), flavonoid glycosides, and vitamins C and E were analyzed and quantified by high performance liquid chromatography. The results showed that composition and level of metabolites in fruits varied greatly between accessions and was independent of species and geographical location. Fruit color was determined by the accumulation of specific carotenoids leading to salmon, yellow, orange, red and brown colored fruits. Levels of both O- and C-glycosides of quercetin, luteolin and apigenin varied strongly between accessions. All non-pungent accessions were devoid of capsaicins, whereas capsaicinoid levels ranged from 0.07 up to 80 mg/100 g fr. wt. in fruit pericarp. In general, pungent accessions accumulated the highest capsaicinoid levels in placenta plus seed tissue compared to pericarp. The non-pungent capsaicinoid analogs, capsiates, could be detected at low levels in some pungent accessions. All accessions accumulated high levels of vitamin C, up to 200 mg/100 g fr. wt. The highest vitamin E concentration found was 16 mg/100 g fr. wt. Based on these metabolic data, five accessions were selected for further metabolic and molecular analysis, in order to isolate key genes involved in the production of these compounds and to assist future breeding programs aimed at optimizing the levels of health-related compounds in pepper fruit.
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