2004
DOI: 10.1007/s00468-004-0337-8
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Polyphenolics in Rhizophora mangle L. leaves and their changes during leaf development and senescence

Abstract: The chemical defenses in Rhizophora mangle L. are largely carbon based. The family has long been exploited for the high proanthocyanidin (condensed tannin) content of its wood, bark and leaves. In this paper, we quantify the overall pools of plant phenolics in R. mangle leaves, identify the major constituents of these pools and document their changes during leaf maturation and senescence. Overall, polyphenolics account for approximately 23% of the total leaf dry weight. The leaves contain at least seven flavon… Show more

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Cited by 131 publications
(65 citation statements)
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“…A produção e o acúmulo de polifenóis (flavonóis, taninos hidrolizáveis e "sideroxylonals") pelas plantas aumentam sob estresse, principalmente quando o uso do carbono para o crescimento ou reprodução das plantas é reduzido pela falta de nutrientes (Kandil et al, 2004). Quando o N limita o crescimento das plantas, há o acúmulo de carboidratos em seus tecidos de acordo com a hipótese do balanço de carbono/nutrientes (Bryant et al, 1983).…”
Section: Resultsunclassified
“…A produção e o acúmulo de polifenóis (flavonóis, taninos hidrolizáveis e "sideroxylonals") pelas plantas aumentam sob estresse, principalmente quando o uso do carbono para o crescimento ou reprodução das plantas é reduzido pela falta de nutrientes (Kandil et al, 2004). Quando o N limita o crescimento das plantas, há o acúmulo de carboidratos em seus tecidos de acordo com a hipótese do balanço de carbono/nutrientes (Bryant et al, 1983).…”
Section: Resultsunclassified
“…To maintain a balance between photosynthesis and productive uses of C (i.e. growth) in rhizophoracean mangroves when nutrients are seriously growth-limiting, and to prevent over-reduction of cytosolic metabolic pools, more than 50% of recently fixed C is diverted to tannins, flavonoids and other metabolically expensive (ATP consuming) products of the phenylpropanoid pathway (Kandil et al 2004). Production of anthocyanins (in other species) may also be a response to such imbalances.…”
Section: Carbon Acquisition and Allocationmentioning
confidence: 99%
“…The synthesis of phenolic compounds increases under stress, especially when the use of carbon for growth and/or reproduction decreases due to lack of nutrients (Kandil et al, 2004). When N limits growth of plants, there is an accumulation of carbohydrates in their tissues, according to the carbon/nutrient balance hypothesis (Bryant et al, 1983), thus this accumulation directs carbon to the synthesis of secondary metabolites (Hamilton et al, 2001), which seems to occur in Physalis.…”
Section: Resultsmentioning
confidence: 99%