scholarly journals Storage of ‘umbu-cajá’ pulp powder produced by lyophilization

Author(s):  
Dyego da C. Santos ◽  
Ana P. T. Rocha ◽  
Josivanda P. Gomes ◽  
Emanuel N. A. de Oliveira ◽  
Esther M. B. de Albuquerque ◽  
...  

ABSTRACT This work aimed to study the chemical and physical stability of ‘umbu-cajá’ powders produced by lyophilization during storage. ‘Umbu-cajá’ pulps formulated with different concentrations of gum arabic (10, 20 and 30%), previously frozen, were dehydrated in benchtop lyophilizer at -40 °C for 48 h and disintegrated to obtain the powder, which was stored in laminated packages for 180 days at ambient conditions, with physical, chemical and physico-chemical analyzes performed at the beginning and every 30 days of storage. According to the results, all investigated parameters were significantly altered throughout the storage, yet with less intense variations for important variables, such as ascorbic acid, reducing sugars and titratable acidity. At the end of storage, all powders were microbiologically safe.

2019 ◽  
Vol 3 (02) ◽  
pp. 176-184
Author(s):  
Amit Kotiyal ◽  
Siddharth Shankar Bhatt ◽  
Jitendra Kumar ◽  
Dinesh Chandra Dimri ◽  
Narender Singh Mehta

The objective of this study was to compare the physico-chemical properties of 10 apple cultivars grown in mid hills of India. Fruit weight, volume, size, total soluble solids (T.S.S.), total sugars, titratable acidity and ascorbic acid content were measured in the cultivars Aurora, Brookfield, Braeburn, Galaxy, Azetec, Scarlet Gala, Marini Red, Jonagold, Royal Gala and Royal Delicious. The results showed significant differences in physico-chemical attributes of apple cultivars. Among all the cultivars the maximum fruit size (50.66 mm length, 74.73 mm diameter) and fruit weight (170.12 g) were observed in cv. Royal Delicious, while the minimum fruit size (40.52 mm length, 53.03 mm diameter) and weight (110.97 g) were measured in Azetec and Aurora, respectively. The highest volume (196.79 ml) of fruit was registered in Royal Delicious in comparison to the minimum (125.75 ml) in Aurora. The maximum T.S.S. (14.27 °B) and acidity (0.717%) was noticed in Scarlet Gala and Marini Red, respectively. While the minimum T.S.S. and acidity was observed in Marini Red (11.20 °B) and Azetec (0.186%). The ascorbic acid varied from 6.07 mg/100 g in Royal Gala to 9.86 mg/100 g in Braeburn, whereas the total sugar ranged 11.36% in Royal Gala to 7.06% in Jonagold.


Author(s):  
Dyalla Ribeiro de Araujo ◽  
Eliseu Marlônio Pereira de Lucena ◽  
Josivanda Palmeira Gomes ◽  
Rossana Maria Feitosa de Figueirêdo ◽  
Érllens Eder Silva

<p>O presente trabalho teve como objetivo estudar as características físicas, químicas e físico-químicas dos frutos da murta (<em>Eugenia gracillima </em>Kiaersk.) no estádio de maturação “maduro”. Os frutos de murta foram colhidos em área de vegetação nativa, na propriedade rural da família Lermen, localizada na Serra dos Paus Dóias - Chapada do Araripe, município de Exu, PE. Após a colheita, os frutos foram transportados para o Laboratório de Ecofisiologia Vegetal da Universidade Estadual do Ceará, para a realização das análises físicas, químicas e físico-químicas: coloração da casca; diâmetros longitudinal e transversal; massas fresca, seca e de água e teor de água; sólidos solúveis totais (SST), acidez total titulável (ATT), pH, relação SST/ATT, carboidratos (amido, açúcares solúveis totais, açúcares redutores e açúcares não redutores); vitamina C; pectinas; fenólicos; antocianinas; flavonoides amarelos e carotenoides. Os frutos da murta (<em>Eugenia gracillima </em>Kiaersk.) são relativamente pequenos com formato levemente ovalado e com coloração 100% violeta quando maduros. Apresentaram ótima qualidade para consumo pelo conteúdo dos sólidos solúveis totais (15,08 °Brix), relação SST/ATT (18,37), açúcares solúveis totais (11,61%) e açúcares redutores (7,80%), como também são frutos ricos em vitamina C (160,62 mg/100 g de massa fresca do fruto) e antioxidantes.</p><p align="center"><strong><em>Physical and physico-chemical fruits characteristics of myrtle</em></strong></p><p><strong>Abstract</strong><strong>: </strong>The present work aimed to study the physical, chemical and physico-chemical fruits characteristics of myrtle (<em>Eugenia gracillima</em> Kiaersk.) in maturation stage "mature". The fruits of myrtle were collected in an area of native vegetation in rural Lermen family property, located in the Serra dos Paus Dóias - Araripe, municipality of Exu, PE. After harvest, the fruits were transported to the Laboratory of Plant Ecophysiology, Ceará State University, to the achievement of physical, chemical and physico-chemical analysis: peel color; longitudinal and transverse diameters; fresh, dry mass and water content and water; total soluble solids (TSS), titulable total acidity (TTA), pH, TSS/TTA, carbohydrates (starch, total soluble sugars, reducing sugars and non reducing sugars, vitamin C, pectins, phenolics, anthocyanins, yellow flavonoids and carotenoids. The myrtle fruit (<em>Eugenia gracillima</em> Kiaersk.) are relatively small with slightly oval in shape and staining with 100% purple when ripe. Showed excellent quality for consumption for the content of total soluble solids (15.08°Brix), TSS/TTA (18.37), total soluble sugars (11.61%) and reducing sugar (7.80%), as well fruits are rich in vitamin C (160.62 mg/100 g fresh weight of fruit) and antioxidants.</p><p><strong> </strong></p>


Antioxidants ◽  
2019 ◽  
Vol 8 (7) ◽  
pp. 221 ◽  
Author(s):  
Angelo Giuffrè

Reggio Calabria province (South Italy) is known for being almost the only area of cultivation of the bergamot fruit, grown principally for its essential oil, but today much studied for the health benefits of its juice. The biometrics and physico-chemical properties of the three (Citrus bergamia Risso) existing genotypes namely Castagnaro, Fantastico and Femminello were studied during fruit ripening from October to March. Castagnaro cultivar had the biggest and heaviest fruit during this harvest period. °Brix (7.9–10.0), pH (2.2–2.8) and formol number (1.47–2.37 mL NaOH 0.1 N/100 mL) were shown to be influenced by both the genotype and harvest date. Titratable acidity (34.98–59.50 g/L) and vitamin C (ascorbic acid) (341–867 g/L) decreased during fruit ripening. The evolution of flavonoids such as neoeriocitrin, naringin, neohesperidin, brutieridin and melitidin was studied both in bergamot juice and in the bergamot cloudy juice which is the aqueous extract of bergamot during fruit processing. Bergamot cloudy juice contained a higher quantity of flavonoids compared to the juice. This study gives important information regarding the cultivar and the harvest date for producers who want to obtain the highest juice quantity or the highest juice quality from the bergamot fruit.


2019 ◽  
Vol 79 (3) ◽  
pp. 510-515 ◽  
Author(s):  
M. Teixeira ◽  
T. Altmayer ◽  
F. Bruxel ◽  
C. R. Orlandi ◽  
N. F. de Moura ◽  
...  

Abstract The aim of this study was to know the physical, chemical and nutritional characteristics of Rubus sellowii (Rosaceae) fruits, known as blackberry, native plant mainly to Rio Grande do Sul State (RS), Brazil. For this, three different populations of this plant were selected and the fruits were analyzed through moisture, ash, titratable acidity, pH, lipids, fibers, carbohydrates, proteins, carotenoids, lycopene, ascorbic acid, aminogram and in vitro digestibility. Fruits showed high acidity (3.28 percent), ash and protein (1.02 and 0.93 percent) and higher ascorbic acid (38.43 mg per 100 g) if compared to Rubus cultivars. Due to Rubus sellowii nutritional properties, they provide benefits to human health.


2021 ◽  
Vol 13 (3) ◽  
pp. 53
Author(s):  
Maria S. de Moraes ◽  
Rossana Maria Feitosa de Figueirêdo ◽  
Alexandre J. de M. Queiroz ◽  
Luís P. F. R da Silva ◽  
Mailson G. Gonçalves ◽  
...  

Pitaya and acerola are fruits rich in nutrients and can be used in blends formulation in order to improve the sensory characteristics of both pulps in isolation and complement each other in terms of nutritional aspects. Thus, the aim of this research was to develop different blends of pitaya pulp with acerola and choose the best formulation based on physical-chemical and colorimetric characteristics. Three blends formulations were prepared: F1-90% pitaya and 10% acerola; F2-70% pitaya and 30% acerola; and F3-50% pitaya and 50% acerola. The formulations were evaluated for physical-chemical parameters of water activity, water content, ash, total soluble solids (SST), pH, total titratable acidity (ATT), SST/ATT ratio, ascorbic acid, proteins, lipids, sugars totals, reducers and non-reducers and colorimetric analysis. The obtained data were subjected to variance analysis (ANOVA) and to comparison between means by the Tukey test at 5% probability. The formulation F1 stood out when compared to the others. The parameters pH, soluble solids, ratio SS/ATT, ash, water content, water activity, proteins, sugars, luminosity and hue angle were the ones that gave the formulation F1 the best results. However, it is noteworthy that the formulation F3 presented a greater amount of ascorbic acid and higher values of a, b and chroma in the colorimetric analysis. The use of these fruits allows to obtain an innovative product with excellent nutritional and functional characteristics. The blend is a viable alternative for the use of perishable and seasonal fruits, adding greater economic value to the very promising product to the market.


2017 ◽  
Vol 9 (4) ◽  
pp. 2137-2142
Author(s):  
Abhimanyu Thakur ◽  
N. S. Thakur ◽  
Pradeep Kumar

Box myrtle (Myrica nagi) belongs to family Myricaceae is a sub-temperate tree found throughout the mid-Himalayas at an elevation of 1300 to 2100 meters above mean sea level. Its fruits are known for their ravishing taste and have been reported as rich source of anti-oxidants like phenols and anthocyanins. In the present study drink was prepared from box myrtle juice and quality evaluation was carried out during six months of storage of fruit drink. Different combinations of juice (8%, 10%, 12%, 14% and 16 %) and sugar syrup/TSS (Total soluble solids) (12 oB and 15 oB) were tried to standardize proper combination for drink. The drink prepared by following the best selected recipe (14 % juice and 12 oB TSS) was packed in glass and PET (Polyethylene terephthalate) bottles and stored for six months under ambient and refrigerated temperature conditions. Drink could be safely stored for a period of six months under both the storage conditions without much change in various quality characteristics. Various physico-chemical characteristics increased/decreased like TSS (12.05 to 12.48 oB), reducing sugars (7.80 to 8.69 %), titratable acidity (0.30 to 0.27 %), ascorbic acid (1.09 to 0.47 mg/100 g), total phenols (27.35 to 19.11 mg/100 g) and anthocyanins (6.14 to 3.69 mg/100 g). However, the changes in the quality characteristics of the drink were slower in refrigerated storage conditions as compared to ambient conditions. Both the packaging materials viz. PET and glass bottles were found suitable, with comparatively less changes occurring in glass bottles stored under refrigerated conditions.


HortScience ◽  
1993 ◽  
Vol 28 (8) ◽  
pp. 819-821 ◽  
Author(s):  
Francisco Artés ◽  
Angel J. Escriche ◽  
Jose G. Marin

Several intermittent 13C warming treatments were applied to `Primofiori' lemons (Citrus limon Burn) stored at 2 or SC. Fruit stored at 13C were treated with 10%, 2090, or 30% CO2 for 24 hours at weekly intervals. Reduction in decay and physiological disorders was best with two cycles of 2 weeks at 2C and 2 weeks at 13C and relative humidity >95 %. Under this storage condition, soluble solids concentration, pH, titratable acidity, and reducing sugars did not change relative to values at harvest, but the concentration of ascorbic acid increased and that of nonreducing sugars decreased in relation to harvest values. Carbon dioxide treatments did not prevent the development of alternaria (Alternaria citri Ell. & Pierce) rot and red blotch disorder, but effectively prevented the development of membranosis, rind pitting, and oleocellosis.


2022 ◽  
Vol 43 (1) ◽  
pp. 170-176
Author(s):  
H.W. Deshpande ◽  
◽  
S.D. Katke ◽  
A. Poshadri ◽  
◽  
...  

Aim: The study was undertaken to evaluate the survival probiotic organisms and its influence on the physical, chemical, nutritional and sensory characteristics of sweet orange juice. Methodology: Two samples of probiotic juice were prepared with 10 percent innoculum containing LAB strains (Lactobacillus bulgaricus and Lactobacillus plantarum). Sample A (without encapsulated strains) and Sample-B (with encapsulated strains) were prepared and incubated for 10hrs at 35oC. After incubation, the physico-chemical analysis of both the samples were analyzed for TSS, pH, acidity, total sugars, reducing sugars and ascorbic acid content. Results: The results of TSS, pH, acidity, total sugars, reducing sugars and ascorbic acid content for sample –A and Sample –B were 11.4˚Brix, 3.51, 0.82 percent, 6.1 percent, 1.5 percent, 4.6 percent, 40mgml-1 and 11.6˚ Brix, 3.68, 0.77 percent, 6.4 percent, 1.7 percent, 4.9 percent, 40 mg ml-1, respectively. Sensory evaluation revealed that overall acceptance of probiotic juice containing encapsulated strains and free strains in the first week was 8.3 and 7.8, respectively. Even after 4 weeks of storage, the overall acceptance for juice with encapsulated strains was better than free strains with a score of 7.5 and 7.0 at the end of storage period. Interpretation: The sweet orange juice with encapsulated strains has high viable cell count (109cfu ml-1) even after 4 weeks of storage resulted in stable therapeutic probiotic sweet orange juice. It is further, suitable for commercial production of probiotic sweet orange juice with probiotic cultures.


HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 457d-457
Author(s):  
Judith Zambrano ◽  
Willian Materano ◽  
Sagrario Briceño

Five mangos cultivars (Mangifera indica L., `Palmer', `Keitt', `Spring Field', `Kent', and `Anderson') were harvested at the preclimacteric stage. Fruits were selected for study that were uniform and free of visual defects and stored for 18 days at 10 °C, 90% to 95 % RH. Fruits were evaluated every 3 days for pulp and peel color, total soluble solids, titratable acidity, ascorbic acid content, and total and reducing sugars. Pulp and peel color parameters (lightness, hue, and chroma) were significantly different among cultivars. The soluble solids content, ascorbic acid, and starch content changed significantly during storage and were significantly different among cultivars. Total and reducing sugars content did not change significantly after 10 days of storage. Results of this study indicated that these five mango cultivars have good storage potential.


Author(s):  
Antônio Gustavo de Luna Souto ◽  
Maria Helena Menezes Cordeiro ◽  
João Paulo Gava Cremasco ◽  
Valtânia Xavier Nunes ◽  
Keise Barcelas Morais ◽  
...  

Aims: This study was to characterize and correlate physical and physico-chemical properties of cambucá fruits (Plinia edulis). Study Design: Experimental design was completely randomized with fifteen samples of five fruits each. Place and Duration of Study: Experimental orchard of the Department of Plant Science, Federal University of Viçosa (UFV), located in the municipality of Viçosa, Zona da Mata of Minas Gerais during the month of February 2015. Methodology: Fruits were sampled when 100% of peels presented yellow-orange color. The following characteristics were evaluated: longitudinal and transverse diameter, total mass of both pulp and seed, pulp color, soluble solids, titratable acidity, soluble solids/titratable acidity ratio, ascorbic acid and carotenoids contents. To verify the degree of correlation between two physico-chemical variables, a Pearson analysis was performed. Results: Cambucá fruits showed average values of longitudinal and transverse diameter of 37.76 and 44.36 mm, respectively. Fruits’ average mass were 44.12 g and the percentage of pulp was 82.15%. Both soluble solids and titratable acidity presented the respective average values: 10.53 ºBrix, 1.34 mg of citric acid and 100 mL-1 of pulp. Larger cambucá fruits presented higher pulp yield and lower acidity. The increase in ascorbic acid was positively correlated with the contents of soluble solids and carotenoids. Conclusion: Fruits of cambucá have potential for commercialization, their characteristics are similar to those found in other fruit species native to the Myrtaceae family and already found in the fruit market.


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