Adriana Delgado

Colegio de Postgraduados | CP · CAMPUS PUEBLA

Significant quantities of 3,4-dihydroxy-L-phenylalanine (L-DOPA or levodopa) are present in the plant structures of Vicia faba, a compound utilized in the treatment of Parkinson's disease. In Mexico, the cultivation and per capita consumption of V. faba is low, suggesting that exploiting the species through its biomass could enhance the utilization...

Rhizomicrobiome: Applications of secondary metabolite/bioactive of industrial importance The objectives of this chapter are to mention the main biosynthesized plant secondary metabolites capable of modifying plant microbiomes, as well as bioactive compounds of industrial importance. Medicinal plants biosynthesize phytochemical compounds such as al...

Sorghum is a plant that mainly requires chemical nitrogen fertilization. There are organic fertilizers that can provide nutrients to plants with great benefits to the soil, such as chicken manure. To determine the influence of organic fertilization on nitrate reductase (NR), glutamine synthetase (GS), and the amount of chlorophyll, sorghum plants w...

Sorghum is a plant that mainly requires chemical nitrogen fertilization. There are organic fertilizers that can provide nutrients to plants with great benefits to the soil, such as chicken manure. To determine the influence of organic fertilization on nitrate reductase (NR), glutamine synthetase (GS), and the amount of chlorophyll, sorghum plants w...

Melanaphis sacchari is a cosmopolitan pest that causes losses in sorghum crops, so new management methods are needed. In addition, the type of fertilization used influences plant compositions and pest infestation, and allelochemicals are a promising method for the possible management of M. sacchari. In this work, we measured the preference of M. sa...

Objective: To morphologically identify and characterize the formation of floral primordium and the individual flower development in Vanilla planifolia Jacks Ex. Andrews. Design/Methodology/Approach: Inflorescence primordia and young inflorescences in different development stages were sampled from the stem internodes of the following positions: basa...

The type of fertilization used influences plant compounds and pest infestation. We measured, through chemical stimuli, the preference of Melanaphis sacchari for sorghum plants fertilized by means of conventional fertilization (CF) or organic fertilization (OF). Leaves were collected from sorghum plants fertilized with 200 kg N ha-1 using ammonium s...

Background: Anthocyanins (AAs) are natural pigments and bioactive compounds that are of broad interest due to their potential beneficial effects on health. In the market, while some foods, such as berries, provide important amino acid (AA) intakes, there is a growing trend to explore new sources. In Mexico, there is the Mexican Purple Corn, a varia...

Vanilla pompona is the third most important commercial species of the genus Vanilla, but the morphometric variation of its flowers is not well known. In orchids, infraspecific variation is expressed in the labellum. This study had the objective of analyzing the floral variation of V. pompona collections from the localities in Veracruz, Puebla, Jali...

The broad bean plant contains L-DOPA, a compound that is essential for patients with Parkin-son’s disease. However, little has been reported on other broad bean compounds that have bene-ficial effects on health. The objective was to evaluate plants of four Mexican broad bean varieties to determine the content and yield of total phenolic compounds (...

Vanilla pompona is the third most important commercial species of the genus Vanilla, but its morphometric variation is little known. In orchids, infraspecific variation is expressed in the labellum. This study had the objective of analyzing the floral variation of V. pompona collections from localities in Veracruz, Puebla, Jalisco and Oaxaca, Mexic...

Vanilla pompona is the third most important commercial species of the genus Vanilla, but its morphometric variation is little known. In orchids, infraspecific variation is expressed in the labellum. This study had the objective of analyzing the floral variation of V. pompona collections from localities in Veracruz, Puebla, Jalisco and Oaxaca, Mexic...

The shape of the flower can vary based on the type of pollinator or the environment in which the plant develops. In Vanilla insignis, there are no studies that analyse the shape of the labellum of the flower as has been done in V. planifolia. Therefore, the study aimed to determine the variation in the shape of the labellum of V. insignis through a...

Vanilla planifolia is a species of commercial importance. However, vanilla presents gene erosion problems due to its clonal reproduction. In the Huasteca of Hidalgo, there is no information on vanilla populations. Therefore, the objectives of this study were to identify the current populations and the potential distribution of, and the morphologica...

In Mexico, about half of white corn production is used for human consumption. In a breeding program, in addition to increasing the yield and genotypes stability, the aim is to improve grain quality. Assuming that there is genetic variation among the elite genotypes evaluated in this research, at least one genotype was considered to be outstanding f...

em> Background: Fruit yield in vanilla cultivation depends on climatic and genetic factors and management practices; however, studies on the influence of the environment on management systems for vanilla production are still limited. Objective: To evaluate the yield of vanilla fruit in three different management systems in correlation with their c...

Environmental conditions during the growth of Vicia faba plants and post-harvest processing methods influence its contents of secondary metabolites. In this study, total phenolic compounds (TP) and total flavonoids (TF) were quantified in broad bean plants at 10, 15 and 20 days after emergence (DAE), in floral buds and open flowers developed in the...

E Objective: To characterize the nutritional and biochemical content of 25 genotypes: 5 S4 inbred lines and the 20 possible single crosses formed between them. Design/Methodology/Approach: The content of oil, starch, protein, ash and phytic acid was determined in kernels of each genotype, using the American Association of Cereal Chemists’ methods;...

The study evaluated the effect of storage temperatures of 7 and 22 °C for 168 h on tomatoes (Charleston cv.) inoculated with 107 CFU mL-1 of the enterotoxigenic Escherichia coli pathogroup (ETEC) strain on color indexes (hue angle, h°, and chroma, C*), firmness, titratable acidity (% citric acid), ascorbic acid, total soluble sugars and reducing su...

Quantification of isoflavones in stems of faba bean (Vicia faba L.) Cuantificación de isoflavonas en tallos de haba (Vicia faba L.) Abstract The isoflavone aglycones daidzein and genistein are phytoestrogens that ameliorate the symptoms of menopause and assist in the prevention of chronic diseases. These compounds have been studied mainly in soya b...

Objetivo: Evaluar el efecto de la aspersión de agua de coco sobre características físicas y rendimiento del fruto de vainilla y su relación con las variables ambientales y componentes de rendimiento en Gutiérrez Zamora, Veracruz, México. Metodología: El estudio se realizó en un vainillal de entre 3-4 años de edad, bajo malla-sombra con tutores de b...

Vanilla planifolia is an orchid endemic to Mexico. It is important to characterize the morphological variation and to describe the morphological traits of its wild populations to enable use of this natural variation in agroecosystems and breeding programs. The objective of this study was to identify infraspecific morphological variation of V. plani...

Purple corn has acquired great interest by its high content of anthocyanins and bioactive properties. Among this type of corn the Andean purple corn has been the most studied, however, in Mexico, we have the “maíces morados”, which is recognized by its dark purple color. Since there is no record about its content of anthocyanins, in this study we q...

En México el fruto de vainilla (Vanilla planifolia Jacks. ex Andrews) se cosecha a partir de las 32 semanas después de la polinización (SDP). Sin embargo, los altos precios del fruto han llevado a cosecharlo poco después de las 20 SDP con efectos negativos en la calidad del fruto beneficiado. Por ello, con la finalidad de proporcionar información a...

Infraspecific variation has transcendental ecological consequences for species adaptation to new niches. Estimating levels of variation is key for understanding the life history of a species, as well as for designing strategies for use and conservation. For this reason, the objective of this study was to characterize infra-specific morphological va...

The isoflavone aglycones daidzein and genistein are phytoestrogens that ameliorate the symptoms of menopause and assist in the prevention of chronic diseases. These compounds have been studied mainly in soya but have also been detected in faba beans (Vicia faba L.). Since little information is available concerning the content of isoflavone aglycone...

El haba (Vicia faba L.) es una fuente de proteínas y fibra dietética, además de que tiene compuestos que previenen o reducen enfermedades crónicas (cáncer, diabetes, enfermedades cardiovasculares y obesidad). El estudio tuvo como objetivo conocer y analizar la opinión de los productores sobre el consumo y uso de los cultivares de haba en Ciudad Ser...

The conservation of orchid genetic resources in mega-diverse countries is an interdisciplinary task that requires a comprehensive theoretical framework, allowing the study of the indivisible link between cultural and biological diversity. In numerous rural regions of Mexico, over time, groups of peasants have constructed a close relationship with t...

L-DOPA is one of the secondary metabolites present in legumes, such as Mucuna pruriens and Vicia faba L., its content can be affected by the method of drying, variety and stage of development of the plant. The objective of this study was to analyze the effect of drying method by stove and lyophilization on the content of total phenolic compounds (T...

Objective: To evaluate the effect of two Mexican traditional curing processes of Vanilla planifolia in the concentration of total phenolic compounds (TPC), total flavonoids (TFLAV), total saponins (TSAP) and total triterpenes (TTRIT) in fruits of Vanilla pompona from three localities in tropical Mexico. Design/methodology/approach: Fruit maturity o...

Plants produce phytochemicals that help protect against biotic and abiotic factors. This research aimed to detect and quantify the concentration of total phenolics compounds (TPC), total flavonoids (TFLAV), total triterpenes (TTRI) and total saponins (TSAP) present in leaf, stem, flower and fruit of Vanilla pompona from the localities of Cazuelas,...

Para proponer el mejor método de mejoramiento genético de una población es indispensable conocer sus parámetros genéticos y la variación genética que en ella existe. El objetivo de este estudio fue identificar los efectos genéticos, así como los posibles efectos maternos que actúan sobre algunos componentes nutrimentales y bioactivos del grano de m...

In order to define the best breeding method to improve a population, it is essential to know its genetic parameters and the genetic variation that exists in it. The objective of this study was to identify genetic effects and possible maternal effects acting on some nutritive and bioactive components of maize kernel (Zea mays L.) in single crosses f...

In orchids, shape and size of floral traits such as the labellum serves to classify variation within and among species. The aim of this study was to characterize infra-specific morphological variation through the Vanilla pompona labellum, analyzing 80 flowers from 23 specimens from the state of Oaxaca, Mexico. The labellum of each flower was dissec...

Corn is a crop with an enormous potential for the extraction of anthocyanins which, given their bioactive properties and their ability to act as a natural dye, nowadays are a secondary metabolite of wide interest. In Mexico, several variants of corn that accumulate this flavonoid have been found among corn landraces of blue, red, pink, purple or bl...

SUMMARY The genetic potential of maize landraces (Zea mays L.), and their adaptation to agro-climatic conditions in each particular region can be used in breeding programs to meet grain demands at the local, regional and national level, and thus contribute to minimize the import of yellow maize. This study assessed yellow maize populations from dif...

El potencial genético de los maíces nativos (Zea mays L.) y su adaptación a las condiciones agroclimáticas de cada región en particular puede ser utilizado en los programas de mejoramiento genético a fin de atender las demandas de grano a nivel local, regional y nacional, y así contribuir a minimizar la importación de maíz amarillo. El objetivo de...

Objective: To evaluate the compatibility of different guava selections grafted on Cass and Nayarit through the concentration of total soluble sugars (TSS) and total phenolic compounds (TPC). Design/methodology/approach: Three guava genotypes were used and grafted onto two rootstocks: Nayarit and Cass. Two types of grafts were evaluated: approach an...

Este libro contiene cinco capítulos de libro con temas diversos. Investigaciones inéditas de los y las autores. El eje central del libro es la interculturalidad en convergencia con las ciencias antropológicas.

A field experiment was conducted during 15 months to study the effects of four arbuscular mycorrhizal fungi (AMF) on the growth of Ricinus communis accession SF7. Plants were established on amended soil (vermicompost:sawdust:soil 1:1:1) severely polluted by lead-acid batteries (LAB) located at Mexico State, Mexico. Plants inoculated with Acaulospor...

The fruit maturity index of Vanilla planifolia Jacks. ex Andrews is considered important to obtain high vanilla quality. In Mexico, the harvest is carried out when the distal part of the fruit turns yellow, but there is no evidence of the benefits of this practice. This research aimed to evaluate the quality of vanilla fruit at 224, 252 and 273 day...

El estudio se realizó en la región del Totonacapan (Puebla-Veracruz) y en la huasteca hidalguense. La investigación resalta la importancia de la vainilla a nivel sociocultural y como influye el conocimiento tradicional en el manejo agrícola de la orquídea. A través de una revisión teórica, detalla los usos que ha tenido el fruto beneficiado de la v...

In vanilla, compounds that exhibit antimicrobial activity are synthesized; however, the variation in phytochemicals present in the plant structures of this species is little known, in relation to the environmental condition and the crop system. The objective of this research was to quantify the variation in phytochemicals in leaf, stem, flower, gre...

Durante los últimos 250 años en México, se ha acumulado conocimiento tradicional sobre el cultivo de vainilla bajo diferentes sistemas de producción, y diferentes niveles de manejo. Dado que cada sistema refleja la experiencia individual y colectiva de criterios y estructuras de decisión sobre el manejo de vainilla, se estudió el perfil del product...

Con el objetivo de evaluar el grado en que los sistemas de producción de ovinos son competitivos y presentan ventajas comparativas, se entrevistaron a 139 productores, y se dio seguimiento a seis rebaños de tres sistemas de producción durante siete meses, en la región de Libres, Puebla. Se registró información de costos, infraestructura, actividad...

Vanilla (Vanilla planifolia) is one of the most important commercial tropical crops originating in Mexico, however in the last 25 years the volume of production and the yield of the crop have diminished considerably. Current knowledge about technological packages for the cultivation of vanilla; just as traditional knowledge about production systems...

Local knowledge systems are strategic to the conservation of vanilla (Vanilla planifolia Jacks. ex Andrews.). However, the knowledge possessed by peasants in the Huasteca Potosina region is unknown. Therefore, the aim of this study was to analyze the knowledge associated with the handling of vanilla in the Huasteca region of San Luis Potosi, Mexico...

Vanilla (Vanilla planifolia) cultivated in the Totonacapan region, Mexico, is produced in different management systems where the crop conditions may modify the accumulation of phytochemicals in the different plant organs. In the present study the variation of the accumulation profile of phytochemicals in different organs of the plant of two genotyp...

El maíz morado (Zea mays L.) contiene pigmentos naturales del tipo antocianinas con propiedades bioactivas de aprovechamiento en la industria nutracéutica, alimentaria y textil. Para considerar al cultivo del maíz como una fuente importante de este flavonoide, es necesario valorar el potencial productivo y orientar el mejoramiento genético hacia un...

Purple corn (Zea mays L.) contains natural pigments of the anthocyanin type. These pigments have bioactive properties that may be used in the nutraceutical, food and textile industries. Before affirming that maize is an important source of this flavonoid, it is necessary to assess its productive potential and to direct plant breeding efforts toward...

La región Totonacapan es considerada centro de cultivo de Vanilla planifolia J. y posible zona de selección del material biológico. Sin embargo, se desconoce los caracteres iniciales de selección y la intensidad de manejo agrícola sobre la orquídea, y las causas o factores que determinan que planta deje de ser colectada y sea cultivada. Por esa raz...

Dispersion and runoff of mine tailings have serious implications for human and ecosystem health in the surroundings of mines. Water, soils and plants were sampled in transects perpendicular to the stream Santiago in Zimapan, Hidalgo, which receives runoff sediments from two acidic and one alkaline mine tailing. Concentrations of potentially toxic e...

Wild specimens of Vanilla planifolia represent a vital part of this resource primary gene pool, and some plants have only been reported in Oaxaca, Mexico. For this reason, we studied its geographical distribution within the state, to locate and describe the ecological characteristics of the areas where they have been found, in order to identify pot...

El haba (Vicia faba L.) es una leguminosa rica en componentes nutricionales y funcionales, entre estos se encuentran aminoácidos y fibra dietética. En México hay escasos estudios relacionados a su composición nutricional, así, el presente trabajo tuvo como objetivo analizar el contenido de fibra dietética total (FDT) y aminoácidos solubles totales...

In the Colegio de Postgraduados in Mexico, we have generated lines of maize (Zea mays L.) with the particularity that from a seed two or more stalks emerge and develop normally, calling that character “tallos gemelos.” This trait possibly modifies the proportions of the constituent tissues of the seed and could increase the nutritional and nutraceu...

Freeze-drying technology is the best dehydration process to preserve shelf-life and allowing avocado to maintain its sensorial and nutritional characteristics. The aim of this work was to determine if the freeze-drying and production condition have an effect on the nutritional quality of the avocado pulp grown in rain-fed and irrigation orchards. F...

The accumulation of osmoprotectants in plants that are under stress from drought, allow you to offset the negative effect that causes these environmental conditions. In this study the biochemical response of bean plants based on the accumulation of soluble carbohydrates, starch, ascorbic acid, and the activity of ascorbate peroxidase enzyme, simple...

Drought is a major constraint for common bean (Phaseolus vulgaris L.) production in México. Dehydrins are constitutive or stress-induced proteins related with a protective role of membranes and macromolecules against denaturation, thus preventing loss of their function. In this work, seed production and patterns of dehydrins accumulation in leaves...

The study of plant tissue parenchyma's intercellular air spaces contributes to the understanding of anatomy and physiology. This is challenging due to difficulty in making direct measurements of the pore space and the complex mosaic of parenchymatous tissue. The architectural complexity of pore space has shown that single geometrical measurements a...

RESUMEN El garbanzo (Cicer arietinum L.) es una leguminosa que se caracteriza por ser un cultivo de bajo consumo de agua, que lo coloca como cultivo alternativo para regiones agrícolas donde el manto freático ha disminuido. El cultivo es relevante por las cantidades importantes de proteínas y carbohidratos que, al combinarse con los cereales, propo...

Within the corn (Zea mays L.) types available in a region, there are differences in morphology and yield capacity. The present study evaluated native maize populations based on their morphology and yield, to identify outstanding collections and to compare yields from populations collected in 1968-1972 and 1995-1996. In the localities of Poxtla, Tla...

Within the corn (Zea mays L.) types available in a region, there are differences in morphology and yield capacity. The present study evaluated native maize populations based on their morphology and yield, to identify outstanding collections and to compare yields from populations collected in 1968-1972 and 1995-1996. In the localities of Poxtla, Tla...

The present research contributes knowledge of the embryo sac, seed anatomy and histochemistry of the Mexican cacao (Theobroma cacao L.) cv. 'Carmelo', and the relationship of these traits to seed recalcitrance. Flowers in anthesis and developing seeds were processed for anatomical (safranin and fast green) and histochemical evaluations of starch, l...