Results 31 to 40 of about 5,189 (143)

Chemical composition, botanical evaluation and screening of radical scavenging activity of collected pollen by the stingless bees Melipona rufiventris (Uruçu-amarela)

open access: yesAnais da Academia Brasileira de Ciências, 2009
Stingless bees in Brazil are indigenous and found all over the country. Bee pollen is used for its nutritional value in the human diet. It is made up of natural flower pollen mixed with nectar and bee secretions.
Tania M.S. Silva   +6 more
doaj   +1 more source

Flavonoides, antocianinas y macronutrientes totales en productos artesanales de zarzamora (Rubus sp.) de Atecáxil, Veracruz, México

open access: yesPolibotánica, 2023
FLAVONOIDES, ANTOCIANINAS Y MACRONUTRIENTES TOTALES EN PRODUCTOS ARTESANALES DE ZARZAMORA (Rubus sp) DE ATECÁXIL, VERACRUZ, MÉXICO. El fruto de zarzamora (Rubus sp) es considerado alto en fibra, vitaminas, minerales y antioxidantes, estos componentes
Neil Abel Felipe Mendoza   +6 more
doaj   +1 more source

DOSEAMENTO DE FLAVONÓIDES NOS RAMOS DE TABERNAEMONTANA CATHARINENSIS A. DC. [PDF]

open access: yes, 2013
O objetivo desse trabalho foi realizar o doseamento de flavonóides do extrato bruto e frações dos ramos de Tabernaemontana catharinensis. Os ramos da planta foram coletadas no município de São miguel (RS) em Janeiro de 2009.
Piana, Mariana   +13 more
core   +1 more source

Efeito da formononetina (7 hidroxi, 4'metoxi isoflavona) na colonização micorrízica e crescimento do milho em solo contendo excesso de metais pesados

open access: yesRevista Brasileira de Ciência do Solo, 1999
O excesso de metais pesados contamina o solo, exercendo impacto negativo sobre os microrganismos e ação tóxica sobre as plantas, dificultando a revegetação e reabilitação de áreas degradadas.
J. O. Siqueira   +3 more
doaj   +1 more source

Contenido de compuestos fenólicos y capacidad antioxidante de variedades de frijol sembradas en el estado de Zacatecas

open access: yesActa Universitaria, 2021
Se evaluaron nueve variedades de frijol originarias de Zacatecas, principal productor de esta leguminosa en México. Se determinaron los compuestos fenólicos como antocianinas, flavonoides, taninos condensados y fenólicos totales, así como su capacidad ...
Jesús Aguayo Rojas   +6 more
doaj   +1 more source

Rhizobien in der Pflanzenmikrobiota

open access: yesBiologie in unserer Zeit, Volume 49, Issue 6, Page 426-434, December 2019., 2019
Viele Bodenmikroorganismen leben in einer komplexen Lebensgemeinschaft mit Pflanzenwurzeln. Welche Vorteile dies für die Pflanze mit sich bringt, beleuchtet unser Artikel am Beispiel der Symbiose zwischen den stickstoffbindenden Wurzelknöllchenbakterien und den Leguminosen.
Kathrin Wippel   +2 more
wiley   +1 more source

Chemical constituents of Piptadenia gonoacantha (Mart.) J.F. Macbr (pau jacaré)

open access: yesAnais da Academia Brasileira de Ciências, 2010
The phytochemical investigation of Piptadenia gonoacantha (Mart.) J.F. Macbr. (Leguminosae-Mimosoideae), commonly known as "pau jacaré" (alligator stick), afforded sitosterol, campesterol, stigmasterol, the N-benzoylphenylalanine-2-benzoylamide-3 ...
Mário G. de Carvalho   +3 more
doaj   +1 more source

Nutritional Potential, Phytochemical Content, In Vivo Antioxidant, and Antanemic Potential of Musa paradisiaca Flower

open access: yesFood Chemistry International, Volume 2, Issue 2, Page 246-262, June 2026.
After collecting Musa paradisiaca leaves, some were dried and others were used to produce aqueous extracts. The extracts and powders were characterized and then administered to rats made anaemic by PHZ. After 14 days of administration of the two samples, the rats were euthanized and it was observed that after 9 days of treatment, the aqueous extract ...
Josée Rebeca Nombo   +8 more
wiley   +1 more source

Evaluation of Antibacterial Effect against Porphyromonas gingivalis and Biocompatibility of Essential Oil Extracted from the Gum of Pistacia atlantica Kurdica

open access: yesBioMed Research International, Volume 2019, Issue 1, 2019., 2019
Objective. This study investigates the antibacterial effect of essential oil extracted from the gum of Pistacia atlantica Kurdica against Porphyromonas gingivalis and histological evaluation of an experimental gel of the extract in wound healing in the back subcutaneous tissue of Wistar rats. Methods.
Shokhan H. Azeez   +2 more
wiley   +1 more source

Otimização da separação eletroforética De flavonóides em extratos vegetais e cosméticos [PDF]

open access: yes, 2008
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.O presente estudo consiste na elaboração de uma metodologia analítica utilizando eletroforese capilar para determinação de flavonóides em
BARCELLOS, Michelle
core  

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