Improved methods of analysis for betaines in Ascophyllum nodosum and its commercial seaweed extracts

MacKinnon, Shawna L.; Hiltz, David; Ugarte, R.; Craft, Cheryl

doi:10.1007/s10811-009-9483-0

Cited by 99 publications

(72 citation statements)

References 18 publications

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“…Betaines, while not traditionally included among the classical plant hormones, are widely distributed in plants including seaweeds (Table 6) and are found in seaweed extracts (Blunden et al 1982(Blunden et al , 1984(Blunden et al , 1986MacKinnon et al 2010). Glycine betaine, γ-amino butyric acid betaine, δ-aminovaleric acid betaine and laminine have been reported in A. nodosum and F. serratus (Blunden et al 1984).…”

Section: Plant Hormonesmentioning

confidence: 99%

Seaweed extract stimuli in plant science and agriculture

2010

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Both micro-and macroalgae have long been used to augment plant productivity and food production in various regions of the world through their beneficial effects when applied to soils. Interactions of algae with the soil community undoubtedly are complex and benefits are dependent on the crop and the local environmental conditions. This has resulted in much speculation as to mechanisms involved as well as the validity of the results reported. It is now 60 years since the first commercial seaweed extract was manufactured for agricultural use. These aqueous extracts allowed for the first time the direct application of soluble seaweed constituents to specific plant organs such as leaves and roots. The earlier concept that benefits of seaweeds and their extracts were due mainly to their manurial value or to their micronutrient suites is no longer tenable. Seaweeds likewise have been used for millennia as fodder supplements to improve animal nutrition and productivity. Recent research is focusing on their mode of action, specific health benefits, and the mechanisms of action in animals. Improved analytical techniques and instrumentation coupled with the use of molecular genetic tools are establishing that seaweed extracts can modify plant and animal responses at a fundamental level. It therefore seems appropriate to review key developments over the years and to remark on novel findings. A new and exciting vista has opened for seaweed extracts in both plant and animal applications.

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Section: Plant Hormonesmentioning

confidence: 99%

Seaweed extract stimuli in plant science and agriculture

2010

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“…São constituídas por vários compostos capazes de estimular o crescimento e o desenvolvimento vegetal, induzindo também a tolerância a diversos estresses bióticos e abióticos (ZHANG; ERVIN, 2008;KHAN et al, 2009). Dentre estes compostos, estão as citocininas, auxinas, giberelinas e betaínas (TARAKHOVSKAYA; MASLOV; SHISHOVA, 2007; STIRK; VAN STADEN, 2007;RAYORATH et al, 2008;MACKINNON et al, 2010). A utilização do extrato de algas em fruteiras tem sido alvo de vários estudos (LOYOLA; MUÑOZ, 2009;OLIVEIRA et al, 2011;SILVA, 2011), apresentando ótimos resultados na produção de mudas de qualidade.…”

Section: Introductionunclassified

Fungo micorrízico arbuscular e extrato de algas no crescimento inicial de porta-enxerto de aceroleira

Almeida

Dantas

Arrais

et al. 2014

RCA

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RESUMO: O uso de bioestimulante natural no desenvolvimento inicial de porta-enxerto de aceroleira, juntamente com o uso da associação micorrízica, representa uma alternativa para complementar a demanda nutricional das plantas e, consequentemente, estimula o crescimento das mudas. As algas marinhas têm sido reconhecidas como excelentes adubos e bioestimulantes naturais para as plantas. Os fungos micorrízicos arbusculares podem ser utilizados como biofertilizantes naturais na produção de mudas. O objetivo deste trabalho foi avaliar o crescimento inicial e as doses de algas marinhas (Ascophyllum nodosum) na produção de porta-enxertos de Malpighia emarginata inoculada com o fungo Glomus fasciculatum. O experimento foi distribuído em delineamento inteiramente casualizado, em esquema fatorial (2 × 4), correspondente a dois tratamentos envolvendo fungo micorrízico arbuscular (0,0 e 1,0 g do inóculo por 10 g de semente) e quatro tratamentos envolvendo aplicações de extrato de algas marinhas (doses 2; 4 e 6 mL L -1 ) e controle (sem aplicação), com cinco repetições. Os dados foram submetidos ao teste de normalidade e, quando se apresentaram normais, realizou-se análise de variância, comparação de médias e regressão polinomial. O uso de algas marinhas na dose de 6,0 mL L -1 do extrato, aliado com a associação do fungo micorrízico arbuscular Glomus fasciculatum, pode proporcionar aumento na produtividade no viveiro e menor tempo de produção de porta-enxerto de aceroleira. ABSTRACT: The use of natural plant growth regulator in the initial development of acerola rootstock, together with the use of mycorrhizal association, represent an alternative to supplement the nutrient demand of plants, and consequently stimulate the growth of seedlings. Marine algae have been recognized as excellent natural fertilizers and bio-stimulants for plants. Arbuscular mycorrhizal fungi can be used as natural bio-fertilizers in seedling production. The objective of this study was to evaluate the initial growth and the doses of seaweed (Ascophyllum nodosum) in the production of rootstocks of Malpighia emarginata inoculated with Glomus fasciculatum fugus. The experiment was distributed in a completely

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“…For detection, UV is most commonly used [62,[108][109][110][111] which is most likely due to ease of access to this detector. However, use of RI [36] and MS [112] has also been described for betaine analysis. As betaine lacks a choromophore, UV detection is only possible at low wavelengths [58,62,108] and with relatively high LOD (e.g., 15 µg/mL or 0.128 µM) [108], for sensitive detection derivatization is essential (Table 3) [109,111].…”

Section: Betainementioning

confidence: 99%