Leucaena (Leucaena leucocephala)

Hiwale, Shrikant

doi:10.1007/978-81-322-2244-6_22

Cited by 4 publications

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“…Respect to raw material selected in this work, Leucaena leucocephala (Leucaena) is a very fast-growing tree. Young trees reach a height of more than 6 meters in two to three years [10]. It was known as the 'miracle tree' because of its worldwide success as a long-lived and highly nutritious forage tree, and its great variety of other uses.…”

Section: Conclusion Clarify That These Values Are Optimal Only For mentioning

confidence: 99%

Biomass valorization by using a sequence of acid hydrolysis and pyrolysis processes. Application to Leucaena leucocephala

Loaiza¹,

López²,

García³

et al. 2017

Fuel

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In the new version we have taken into account the comments the reviewer suggestions. The more important changes we have made are included in the following pages. We think that after this revision, attending to your comments and suggestions, many points in the paper were clarified and the whole paper improved. We would like to thank the Editor and the reviewers for your help and to express our readiness to take into account any further observations you may consider necessary.

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Section: Conclusion Clarify That These Values Are Optimal Only For mentioning

confidence: 99%

Biomass valorization by using a sequence of acid hydrolysis and pyrolysis processes. Application to Leucaena leucocephala

Loaiza¹,

López²,

García³

et al. 2017

Fuel

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“…L. leucocephala is a shrub plant originating in Mexico and has now spread to many countries including Indonesia. Practical experience shows that it has long been used as a medicinal plant, for instance, by administering its finely ground, crushed, or chewed leaves to the wound (Hiwale, 2015;Devi et al, 2013;Latief, 2012).…”

Section: Introductionmentioning

confidence: 99%

Antibacterial Activity of Leucaena leucocephala Leaf Extract Ointment against Staphylococcus aureus and Staphylococcus epidermidis

Saptawati¹,

Dahliyanti²,

Rachman³

2019

Pharmaciana

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Practical experience shows that Leucaena leucocephala has long been used as a medicinal plant. The finely ground, crushed, or chewed leaves of this shrub are applied to the wound. This study aimed to determine the antibacterial activity of L. leucocephala leaf extract ointment against Staphylococcus aureus and Staphylococcus epidermidis. The extract was made by macerating L. leucocephala leaf powder in ethanol 70% with 10% concentration. The research samples included seven (7) formulas of ointments with various L. leucocephala leaf extract (LLE) concentrations, namely F1 (0%), F2 (5%), F3 (10%), F4 (15%), F5 (20%), F6 (25%), and F7(100%). Their antibacterial activities were measured from the diameter of the inhibition zone, which was formed because the administered antibiotics stopped the growth of S. aureus and S. epidermidis placed in Nutrient Agar medium. Gentamicin Sulfate ointment and Oxytetracycline HCl ointment were used as positive controls. The results showed that LLE inhibited the growth of S. aureus and S. epidermidis when prepared at concentrations of at least 20% (F5) and 25% (F6), respectively. The difference between the antibacterial activities of LLE 100% and Gentamicin Sulfate ointment was not significant. The capacities of LLE to prevent the growth of S. aureus and S. epidermidis were lower than Oxytetracycline ointment. These capacities express the antibacterial activity of LLE ointment against S. aureus and S. epidermidis, meaning that LLE can be used as a topical antibacterial agent.

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Biologia reprodutiva de L. leucocephala (Lam.) R. de Wit (Fabaceae: Mimosoideae): sucesso de uma espécie invasora

Melo-Silva¹,

Peres²,

Neto³

et al. 2014

Neotropical Biology and Conservation

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ResumoA leguminosa Leucaena leucocephala (Lam.) R. de Wit., conhecida como leucena, é originária da América Central, considerada pioneira, com populações de altas densidades, o que dificulta o desenvolvimento das espécies nativas. O presente estudo objetivou contribuir com informações sobre a biologia reprodutiva da L. leucocephala, referentes ao seu êxito reprodutivo. O estudo foi realizado em Trindade, Goiás, de julho a novembro de 2012. Foram selecionadas quatro áreas de estudo no município apresentando populações da leucena constituídas por, no mínimo, seis indivíduos em plena floração. Foram realizadas observações dos visitantes florais e testes de primeira, segunda e terceira visitas, além de polinização cruzada entre plantas, autopolinização e controle. Foram registrados 342 visitantes, distribuídos em 12 espécies de insetos com predominância de Apis mellifera (Linnaeus, 1758) e Trigona spinipes (Fabricius, 1793) nas áreas. A flor apresentou senescência ao fim do dia, mas houve decréscimo na abundância de insetos nos indivíduos de leucena após as 10 horas da manhã. Na avaliação do número de visitas de polinizadores e sua influência na produção de frutos, verificou-se que o número de visitas do principal polinizador (A. mellifera) não influenciou a produção de frutos, evidenciando a eficiência da abelha desde a primeira visita na flor. Leucaena leucocephala reúne vários atributos típicos de uma espécie invasora, como a ação eficiente de polinizadores generalistas (A. mellifera), propiciando produção considerável de frutos e sementes, contribuindo para o potencial dispersor da planta e sucesso reprodutivo nas áreas.Palavras-chave: polinização, Apis mellifera, sucesso reprodutivo. AbstractThe species Leucaena leucocephala (Lam.) R. de Wit., known as leucaena, is originally from Central America. It has been considered a pioneer with high densities of individuals in its populations that could prevent the development of native species. The present study aims to understand the reproductive biology of L. leucocephala, synthetizing information about its reproductive success. The study was conducted in Trindade, central Brazil, from July to November 2012. All areas contained specimens in bloom. We selected four study areas containing populations of leucaena with at least six individuals with flowering. Observations were made of floral visitors and we did tests of first, second and third visit, and cross-pollination between plants, self-pollination and control group (without human intervention). There was a predominance of Apis mellifera and Trigona spinips as flower visitors in these areas. The flowers undergo senescence at the end of the day, however, there is a decrease in flower visiting by insects after 10 am. We found 342 visitors belonging to 12 insect species. After assessing the number of visits of pollinators and their influence on fruit production, we found that the number of visits of the main pollinator (A. mellifera) does not influence the production of fruits, showing the efficiency of this bee in its...

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Leucaena (Leucaena leucocephala)

Cited by 4 publications

References 0 publications

Biomass valorization by using a sequence of acid hydrolysis and pyrolysis processes. Application to Leucaena leucocephala

Biomass valorization by using a sequence of acid hydrolysis and pyrolysis processes. Application to Leucaena leucocephala

Antibacterial Activity of Leucaena leucocephala Leaf Extract Ointment against Staphylococcus aureus and Staphylococcus epidermidis

Biologia reprodutiva de L. leucocephala (Lam.) R. de Wit (Fabaceae: Mimosoideae): sucesso de uma espécie invasora

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