scholarly journals Biometric and physical-chemical analysis of pequis collected in the state of Mato Grosso.

2020 ◽  
Vol 13 (12) ◽  
pp. 24
Author(s):  
J. Bess ◽  
S. S. Araújo ◽  
B. P. Grellmann ◽  
D. C. Cruz ◽  
M. Alamino ◽  
...  
Keyword(s):  
Chemical Analysis ◽  
Titratable Acidity ◽  
The State ◽  
Soluble Solids ◽  
Transverse Diameter ◽  
Germplasm Bank ◽  
Mato Grosso ◽  
The North ◽  
Physical Chemical ◽  
Caryocar Brasiliense

Commonly found in Mato-grossense Cerrado, the pequi tree (Caryocar brasiliense Camb) produces a fruit called pequi, which is sold and consumed by the population where it is produced, in cream, candies, ice creams or in natura, as a typical regional side dish. It is a highly nutritious fruit and hence necessary to the population. The aim of this study was to proceed with the biometric and physical-chemical analysis of pequis collected in the north of the state of Mato Grosso, to contribute with a database to help identify good genoptypes for commercial and industry usage, to build a germplasm bank. Whole fruits from seven different matrixes of Caryocar brasiliense Camb were randomly collected in União do Sul-MT, seasons 2017 and 2019. The mass, transverse diameter, longitudinal diameter, volume and sphericity of fruits and pyrenes have been determined, as well as the number of pyrenes per fruit and pulp mass. The pulp was analyzed for its moisture, pH, total titratable acidity and soluble solids contents. The physical evaluation for fruits and pyrenes show that the observed matrixes had statistically significant differences in all parameters tested, especially on mass, volume and pulp mass. The pequis from matrix 7 have the best results for whole fruit and pyrenes mass, and also for pulp mass and pulp mass/whole fuit ratio. The results for moisture and physical-chemical analysis show that the observed matrixes presented statistically significant differences. The findings are similar to the ones detected in studies with pequis in other regions. Based on the results obtained, the fruits that have been analyzed may be regarded as of interest for business and industry, therefore may be considered to build a germplasm bank.

scholarly journals Chemical Physical Characterization and Profile of Fruit Volatile Compounds from Different Accesses of Myrciaria floribunda (H. West Ex Wild.) O. Berg through Polyacrylate Fiber

Molecules ◽  
2021 ◽  
Vol 26 (17) ◽  
pp. 5281
Author(s):  
Yesenia Mendoza García ◽  
Ana Luiza Coeli Cruz Ramos ◽  
Ana Cardoso Clemente Filha Ferreira de Paula ◽  
Maicon Heitor do Nascimento ◽  
Rodinei Augusti ◽  
...  
Keyword(s):  
Seed Weight ◽  
Titratable Acidity ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Transverse Diameter ◽  
Physical Chemical ◽  
Volatile Organic ◽  
The Many ◽  
Longitudinal Diameter ◽  
Number Of Seeds

Among the many species of native fruit of Brazil that have been little explored, there is Myrciaria floribunda (also known as rumberry, cambuizeiro, or guavaberry), a species with significant variability, which has fruits of different colors (orange, red, and purple) when ripe. The physical-chemical characteristics evaluated were fruit weight (FW), seed weight (SW), pulp weight (PW), number of seeds (NS), longitudinal diameter (LD), transverse diameter (TD), format (LD/TD), hydrogen potential (pH), soluble solids (SS), titratable acidity (TA), and ratio (SS/TA); further, the volatile organic compounds (VOCs) of nine accesses of rumberry orchards were identified. The averages of the variables FW, SW, PW, NS, LD, TD, shape, and firmness were 0.76 g, 0.22 g, 0.54 g, 1.45, 10.06 mm, 9.90 mm, 1.02, 2.96 N, respectively. LD/TD data showed that the fruits have a slightly rounded shape (LD/TD = 1). The averages for pH, SS, TA, and SS/TA were 3.74, 17.58 Brix, 4.31% citric acid, and 4.31, respectively. The evaluated parameters indicated that the fruits can be consumed both in natura and industrialized, with the red-colored fruits presenting a good balance of SS/TA, standards demanded by the processing industries. Thirty-six VOCs were identified, with emphasis on the sesquiterpenes. Caryophyllene (21.6% to 49.3%) and γ-selinene (11.3% to 16.3%) were the most predominant compounds in rumberry fruits.

A Synopsis of Dicliptera (Acanthaceae) in Brazil, with the Description of Two New Species

2020 ◽  
Vol 45 (2) ◽  
pp. 340-348
Author(s):  
James Lucas da Costa-Lima ◽  
Earl Celestino de Oliveira Chagas
Keyword(s):  
New Species ◽  
South America ◽  
The State ◽  
Northeastern Brazil ◽  
Mato Grosso ◽  
The North ◽  
New Synonyms ◽  
Two New Species ◽  
Mato Grosso Do Sul ◽  
A New Species

Abstract—A synopsis of Dicliptera (Acanthaceae) for Brazil is presented. Six species are recognized: Dicliptera ciliaris, D. sexangularis, and D. squarrosa, widely distributed in South America; D. purpurascens, which ranges from the North Region of Brazil (in the state of Acre) to eastern Bolivia; D. gracilirama, a new species from the Atlantic Forest of northeastern Brazil; and D. granchaquenha, a new species recorded in dry and semideciduous forests in Bolivia and western Brazil, in the state of Mato Grosso do Sul. Furthermore, we propose new synonyms and designate lectotypes for eleven names. An identification key to the six accepted Dicliptera species in Brazil is provided.

Sample size for postharvest quality traits of ‘Palmer’ mangoes

2021 ◽  
Vol 43 (5) ◽  
Author(s):  
João Claudio Vilvert ◽  
Sérgio Tonetto de Freitas ◽  
Maria Aparecida Rodrigues Ferreira ◽  
Eleonora Barbosa Santiago da Costa ◽  
Edna Maria Mendes Aroucha
Keyword(s):  
Sample Size ◽  
Estimation Error ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Postharvest Quality ◽  
Maturity Stage ◽  
Transverse Diameter ◽  
Quality Traits ◽  
Growing Seasons ◽  
The Mean

Abstract The objective of this study was to determine the most efficient sample size required to estimate the mean of postharvest quality traits of ‘Palmer’ mangoes harvested in two growing seasons. A total of 50 mangoes were harvested at maturity stage 2, in winter (June 2020) and spring (October 2020), and evaluated for weight, length, ventral and transverse diameter, skin and pulp L*, C* and hº, dry matter, firmness, soluble solids (SS), titratable acidity (TA) and the SS/TA ratio. According to the results, the coefficient of variation (CV) of fruit quality traits ranged from 2.1% to 18.1%. The highest CV in both harvests was observed for the SS/TA ratio, while the lowest was reported for pulp hº. In order to estimate the mean of physicochemical traits of ‘Palmer’ mangoes, 12 fruits are needed in the winter and 14 in the spring, considering an estimation error of 10% and a confidence interval of 95%. TA and the SS/TA ratio required the highest sample size, while L* and hº required the lowest sample size. In conclusion, the variability was different among physicochemical traits and seasons, implying that different sample sizes are required to estimate the mean of different quality traits in different growing seasons.

scholarly journals Ecology of Sand Flies (Diptera: Psychodidae: Phlebotominae) in the North of the State of Mato Grosso, Brazil

2002 ◽  
Vol 97 (4) ◽  
pp. 459-464 ◽  
Author(s):  
Alfredo CR Azevedo ◽  
Nataly A Souza ◽  
Cláudio RV Meneses ◽  
Wagner A Costa ◽  
Simone M Costa ◽  
...  
Keyword(s):  
The State ◽  
Sand Flies ◽  
Mato Grosso ◽  
The North

scholarly journals (M.A. thesis) Migration schedules by age and characterization of migrants in the micro-regions of Goiás and the Federal District, 1975–1979 and 1986–1990

2018 ◽  
Author(s):  
Ernesto F. L. Amaral
Keyword(s):  
Low Income ◽  
Rural Areas ◽  
Federal District ◽  
The State ◽  
Considerable Proportion ◽  
Migrant Population ◽  
Formal Sector ◽  
Mato Grosso ◽  
The North ◽  
High Level

Title in Portuguese: Funções de migração por idade e caracterização de migrantes das microrregiões de Goiás e Distrito Federal, 1975-1979 e 1986-1990(Dissertação de Mestrado)(M.A. Thesis)Since the 70’s, the Brazilian Middle-West Region has experienced an important modernization process in agricultural and industrial activities, which has led to an employment retraction and migration flows, especially from rural areas to the major metropolitan cities of the region. In this research the focus of analysis are the State of Goiás and the Federal District, which encompasses Brasília, the capital of Brazil. In order to understand the new population configuration, the region was divided into four sub-areas (micro-region of Goiânia, micro-region of Entorno de Brasília, the Federal District, and a group of 16 micro-regions of Goiás) and the patterns of migration, by age and sex, were estimated for the periods 1975-1979 and 1986-1991. In addition, differences between native and migrant population of each sub-area, according to the participation in the labor force, income, education and type of migration were investigated. The analysis was performed on the basis of the 1980 and 1991 Brazilian Census data.In the intra-state migration, the fluxes between the micro-region of Goiânia and the 16 other micro-regions of Goiás, and between the Federal District and the micro-region of Entorno de Brasília were the most important. In the inter-state migration, the flux from the states of Mato Grosso, Mato Grosso do Sul and the North region to the 16 micro-regions of Goiás, as well as the flux from Northeast, Southeast and South to the Federal District were significant. But there was a decline in the migration to the Federal District, between 1975-1979 and 1986-1991, while, in the same period, the migration to the Entorno of Brasília increased.The chance of the migrant population in the micro-region of Goiânia and in the Federal District to have worked in the last 12 months prior to census interview was lower than that of the native population. However, those who migrated from the Federal District to the micro-region of Entorno de Brasília had higher chance to have worked in the formal sector than those who did not migrate. Migrants who moved from the micro-region of Entorno de Brasília and the 16 other micro-regions of Goiás to the micro-region of Goiânia had lower wages than the non-migrant population. The lowest level of wages was recorded for the migrants to the 16 other micro-regions of Goiás. Migrants living in the Federal District had high level of education, while those migrants living in the micro-region of Entorno de Brasília had low level of education.In 1986-1990, the micro-regions of Goiânia and Entorno de Brasília, as well as the 16 other micro-regions of Goiás, presented a high percentage of returned migrants. In the same period, a major proportion of migrants to the micro-region of Entorno de Brasília had first moved from Southeast or from the Federal District to others regions. In addition, there was a considerable proportion of migrants with low income who had moved from Northeast to the Federal District and then to the micro-region of the Entorno de Brasília.Future research could focus other areas or regions of Brazil, and could also explore the same kind of analysis, on the basis of the incoming 2000 Brazilian Census, which requires the development of new techniques, as it did not collect information on the city of previous residence, but only on the state of residence.

scholarly journals Quality variables for technological application of cocoa clones from the Brazilian semiarid region

2021 ◽  
Vol 25 (3) ◽  
pp. 203-208
Author(s):  
Bianca M. Reges ◽  
Anielly M. Maia ◽  
Diogenes H. A. Sarmento ◽  
Mayara S. Silva ◽  
Sandra M. L. dos Santos ◽  
...  
Keyword(s):  
Titratable Acidity ◽  
Physicochemical Characteristics ◽  
Soluble Solids ◽  
Semiarid Region ◽  
Transverse Diameter ◽  
Brazilian Semiarid ◽  
Physical Traits ◽  
Chemical Traits ◽  
Food Processes ◽  
Longitudinal Diameter

ABSTRACT Characterization of cocoa clones produced in the semiarid region is necessary to enlarge the database about these implanted clones and thus enhance the quality of their by-products. Therefore, this study aims to evaluate physical, chemical, and physicochemical characteristics of the CCN 51, CEPEC 2004, CEPEC 2005, and PS 1319 clones, produced in the region of Vale do Jaguaribe in the state of Ceará (Brazil), and to suggest food processes or products for them. The clones were evaluated according to their physical traits (total fruit mass, rind, pulp, seeds, and placenta and pulp with seeds), fruit transverse diameter (FTD), fruit longitudinal diameter (FLD), the ratio FTD/FLD; rind external thickness (ERT), rind internal thickness (IRT), the ratio ERT/IRT, number of seeds, seed thickness, seed transverse diameter (STD), seed longitudinal diameter (SLD), and the ratio STD/SLD, yield, pulp color, chemical traits (humidity, lipids, proteins, ashes, crude fiber, and carbohydrates), and physicochemical traits (titratable acidity, pH, soluble solids, and reducing sugars) were evaluated. The CCN 51 and CEPEC 2005 clones are the most suitable for the process of cocoa fermentation. For desserts, jams, pulp, and nibs for fat-restricted diets, the most suitable clones are CCN 51, CEPEC 2005, PS 1319 and CEPEC 2004, respectively.

scholarly journals Uso de resíduos agrícolas para produção de cogumelos comestíveis no Norte do Estado de Mato Grosso / Use of agricultural residues for the production of edible mushrooms in the North of the State of Mato Grosso

2021 ◽  
Vol 7 (8) ◽  
pp. 82074-82089
Author(s):  
Ana Paula Rodrigues Da Silva ◽  
Giseudo Aparecido De Paiva ◽  
Grace Queiroz David ◽  
Julliane Dutra Medeiros ◽  
Adriana Matheus da Costa De Figueiredo
Keyword(s):  
Agricultural Residues ◽  
The State ◽  
Edible Mushrooms ◽  
Mato Grosso ◽  
The North

scholarly journals Qualification of 'Bordô' grape clones in Vale do Rio do Peixe, in the state of Santa Catarina, Brazil

2018 ◽  
Vol 53 (7) ◽  
pp. 800-808
Author(s):  
Alberto Fontanella Brighenti ◽  
Ricardo Allebrandt ◽  
Bruno Munhoz ◽  
Diego Poletto de Matos ◽  
Murillo Albuquerque Regina ◽  
...  
Keyword(s):  
Morphological Characteristics ◽  
Titratable Acidity ◽  
The State ◽  
Soluble Solids ◽  
Alternate Bearing ◽  
Santa Catarina ◽  
Grape Quality ◽  
Total Anthocyanins ◽  
Adequate Quality ◽  
Cluster Compactness

Abstract: The objective of this work was to characterize the productive and qualitative performances of 11 clones of 'Bordô' grape (Vitis labrusca) destined to wine and juice production, in the region of Vale do Rio do Peixe, in the state of Santa Catarina, Brazil. The experiment was carried out in the 2011, 2012, 2014, and 2015 crop seasons. The analyzed yield components were: number of clusters per vine, yield, cluster weight, accumulated yield, and alternate bearing index. The analyzed morphological characteristics of clusters were: number of berries per cluster, berry diameter, cluster compactness index, and cluster length. In order to assess grape quality, the following parameters were analyzed: soluble solids (SS), pH, titratable acidity (TA), SS/TA ratio, total anthocyanins, and total polyphenols. The 'Bordô' grape clones 13 and 16 ('Paco' and 'Bocaina') are the most suitable ones for cultivation in the wine producing region of Vale do Rio do Peixe, as they show the highest yields, production stability, and grapes with adequate quality for wine and juice elaboration.

scholarly journals Effects of an Auxin and a brassinosteroid on physical, chemical and biochemical attributes of ‘Galaxy’ apples

2019 ◽  
Vol 49 (4) ◽  
Author(s):  
Ângela Preza Ramos ◽  
Aquidauana Miqueloto Zanardi ◽  
Cassandro Vidal Talamini do Amarante ◽  
Cristiano André Steffens ◽  
Adaucto Bellarmino Pereira-Netto
Keyword(s):  
Plant Growth ◽  
Antioxidant Activities ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Naphthalene Acetic Acid ◽  
Anthocyanin Content ◽  
Water Control ◽  
Physical Chemical ◽  
Total Antioxidant ◽  
Fruit Shelf Life

ABSTRACT: The aim of this study was to study the effect of the auxin naphthalene acetic acid (NAA) and the brassinosteroid 28-homocastasterone (28-HCS) applied every 15 days (harvest 2015/16) or every 21 days (harvest 2016/17) after full bloom, on the physical, chemical and biochemical attributes of the ‘Galaxy’ apples. The study was performed at a commercial orchard at Vacaria county, Rio Grande do Sul State, Brazil. The following treatments were applied: water (control), NAA (0.1%), 28-HCS (10‒6 M) and NAA (0.1%) + 28-HCS (10‒6 M). For this purpose, 300 μL of the plant growth regulator solutions were applied to the fruit peduncles. Fruits treated with NAA every 21 days presented higher starch-iodine index and lower total soluble solids (TSS), titratable acidity (TA), lightness index (L) and hue angle (h°) than 28-HCS-treated fruits. Fruits treated every 15 days with NAA presented reduced skin rupture force (SRF), total antioxidant activities (TAA) of the skin and flesh, and hydrogen peroxide content compared to the control fruits. In addition, NAA application every 15 and 21 days resulted in increased anthocyanin content in the skin. Application of NAA + 28-HCS reduced superoxide dismutase activity. 28-HCS applications increased TSS, color attributes (C and h°) of the skin, total antioxidant activity of the skin and flesh and peroxidase activity compared to control fruits. These results are expected to help to understand how plant growth regulators affect apple quality. In addition, results described here are also expected to help on the development of strategies to reduce post harvest losses and to increase fruit shelf life.

scholarly journals Influence of the heat treatment on the quality of ivy gourd (Coccinia grandis)

2018 ◽  
Vol 36 (1) ◽  
pp. 126-129
Author(s):  
Thaís Inês M Souza ◽  
Cândido A Costa ◽  
Milton NC Chauca
Keyword(s):  
Heat Treatment ◽  
Titratable Acidity ◽  
Quality Parameters ◽  
Soluble Solids ◽  
The North ◽  
Randomized Design ◽  
Significant Difference ◽  
Minas Gerais State ◽  
Processing Techniques ◽  
Ivy Gourd

ABSTRACT Ivy gourd is an underutilized vegetables found in the North of Minas Gerais State-Brazil. It is mainly consumed raw as salad. Pickling fruits can enhance the commercial exploitation of this species. However, no information on the processing techniques of the ivy gourd fruits in Brazil is found in literature. The objective of this study was to evaluate the quality parameters in the production of pickled ivy gourd. The treatments consisted of three bleaching times (3, 6 and 9 minutes), using a completely randomized design, with seven replicates. We evaluated the traits: instrumental analyzes of pH, color, total titratable acidity, soluble solids, texture and sensorial affective tests. The pH is within the indicated range (below 4.5) and the bleaching time influenced the color and texture alteration since the sample under 3-minute bleaching presented a greater tendency for green and greater firmness. For the sensory analysis, no significant difference related to sensory scoring was noticed; in relation to mode value, we concluded that the 6-minute sample was more preferable, though. For titratable total acidity and soluble solids analyses, no significant differences between the samples was noticed, considering that both parameters were within the standard when compared to other literature. We concluded that heat treatment influenced only the texture and color intensity and the preserved product showed good acceptability.

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