For thousands of years, sodium chloride (NaCl) has been used as a preservative and flavor enhancer. In the organism, NaCl plays a role in nerve functions, osmotic pressure, and nutrient absorption. However, high consumption of NaCl could lead to health issues, such as hypertension and heart-related problems.For these reasons, potassium chloride (KCl) has been considered a salt substitute in foods, but KCl could be limited to food matrixes because of its unwanted bitterness and metallic aftertaste. As a result, the objective of this study was to analyze KCl-reduced-sodium roasted chicken in physical/technological characteristics, KCl-seasoning mixture, consumer perception, liking, emotions, and purchase intent (PI). An extreme vertice mixture design decided granulated garlic (74.09%), black pepper (9.95%), smoked paprika (14.47%), and KCl (1.39%) ratio of good seasoning-KCl mixture for roasted chicken based on sensory attributes used on the desirability function methodology. After optimizing the KCl-seasoning blend, NaCl/KCl replacement levels (0%, 25%, 50%, 75%, and 100%) were established and evaluated consumer perception, liking, emotions, and PI. Adding 25% and 50% of KCl showed no significant (p > 0.05) impact on the sensory attributes. Likewise, PI significantly (p < 0.05) increased when utilizing 25% and 50% of KCl after panelists received information about sodium health risks (SHR). Regarding emotional responses, unsafe and worried significantly (p < 0.05) decreased among the highest KCl replacement levels (75% and 100%) after panelists obtained the SHR. Overall liking, gender, age, salt user, and positive emotional responses (satisfied and pleased) were decisive predictors concerning PI among panelists.
Cinnamon is an evergreen tree belonging to the genus Cinnamomun; it is commonly founded in various tropical countries, consisting of more than 250 species of trees and shrubs in the Lauraceae family. This plant has had great medicinal importance in traditional medicine since ancient times. In this research, the chemical composition of the essential oil of Cinnamomum zeylanicum Nees was evaluated. The samples were extracted from the leaves and stem. The main components founded from the leaves were: Benzyl benzoate (74.2%), α-felandrene (6.9%), α-pinene (3.0%), and linalool (2.7%). Cinnamaldehyde (31%), linalool (13.3%), benzyl benzoate (11.3%), and cinnamaldehyde acetate (8.2%) stood out in the essential oil of the stem. The antioxidant activity was determined by the DPPH method, obtaining an inhibition percentage for concentrations of 80 g mL -1 , 59.17 ± 0.11% for the leaves and 61.34 ± 0.11% for the stem.
The species Astrocaryum aculeatum (Arecaceae) is known in the Brazilian Amazon as tucumã, whose fruit is much appreciated by the population of the region, where its pulp, oleaginous, is the most consumed. Thus, the aim of this work was to perform a profile of fatty acids by GC-FID and minerals by ICP-OES of the oil of the pulp of the tucumã (A. aculeatum), as well as their physicochemical properties by 1 H NMR. The fruits were collected in Alto Alegre city, Roraima, Brazil. These were taken to the laboratory, sanitized and removing your pulp, submitted to the oven with air circulation at 50 °C for 72 h, the dried pulps were milled and sieved between 20-40 mesh. The pulp oil extraction was realized in Soxhlet with hexane for 6 hours (yield of 54.7%). Were identified a total of 10 fatty acids, of these 23.8% are saturated fatty acids and 76.2% are unsaturated fatty acids: palmitic acid (10.4%), stearic acid (4.9%), oleic acid (64.2%), linoleic acid (11%) ) were observed in high concentrations. The Amazon tucumã is an oleaginous that deserves our attention because it is composed of essential fatty acids that are beneficial to the human health.
In this research, nine fruits cultivated in Northern Amazon were studied: Abiu, acerola, araçá, bacupari, biribá, camu-camu, fruta-do-conde, graviola and taperebá, with the objective of carrying out a proximate and nutritional study of the pulps of the Northern Amazon fruits. They were graviola (76.83 ± 0.02 Kcal 100 g-1), bacupari (53.15 ± 0.02 Kcal 100 g-1) and fruta-do-conde (46.66 ± 0.02 Kcal 100 g-1). Among the macronutrients, potassium with high concentration stood out, especially in graviola (541.16 ± 0.24 mg.100 g-1) and biribá (468.21 ± 0.13 mg 100 g-1). Among the micronutrients, iron concentrations was high in araçá pulp (3.04 ± 0.02 mg 100 g-1), and abiu was abundant in zinc (3.71 ± 0.02 mg 100 g-1) and manganese (6.61 ± 0.11 mg 100 g-1). The presence of cobalt at the level of traces in some of the pulps studied stood out. The Pearson correlation coefficient was evaluated, as well as the statistical treatment by multivariate analysis Principal Component Analysis (PCA) to establish the correlation between the variables studied.
The Patauá (Oenocarpus bataua Mart.) also known as Bataua or Patuá, is a palm native from the Amazon, consumed among the local populations as well as the wine obtained from its pulp with high energy value. It is a monocle palm tree reaching between 4-26 meters tall, distributed in the Amazon rainforest both in the wet forest of floodplains. The objective of this work was to study the proximal, mineralogical composition, as well as the total phenolic compounds and antioxidant activity of pulp and seed of Patauá. As for mineral composition, the high concentrations of sodium for the seed (84.21 mg 100 g-1) and pulp (71.21 mg 100 g-1), as well as magnesium values of 48.31 mg 100 g-1 for the seed and 41.23 mg 100 g-1 for the pulp. Among the micronutrients, the high concentration of iron in the pulp is 1.84 mg 100 g-1 for the pulps, and the manganese was 1.10 mg 100 g-1 for the seeds. The total phenolic compounds found in the seeds were relatively higher than for the pulps with values of 356.12 ± 0.12 mg GAEq g-1 and 321.03 ± 0.43 mg GAEq g-1, as well as the more significant antioxidant activity for the seeds than for the pulp. Carotenoids concentration in the seeds found of 2.52 ± 0.04 mg mL-1 and vitamin C concentrations were also quantified in trace concentrations, presenting the fruits of Patauá high biotechnological interest in the food and cosmetic industry.
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