Electric conductivity test for quality assessment of aromatic and medicinal plants after drying

Coradi, Paulo Carteri; Müller, Amanda; Schmidt, Diogo André; Lima, Roney Eloy; Baio, Fábio Henrique Rojo; Borsato, Aurélio Vinícius; Blanco, Matildes

doi:10.1080/07373937.2017.1347943

Cited by 9 publications

(5 citation statements)

References 29 publications

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“…The heated air makes it less efficient the entraining of moisture from the grains owing to the greater tension with which water is removed. Thereafter, to obtain a good quality coffee and a soft beverage product, it is necessary to maintain the drying temperature around 45°C in the coffee mass [ 1 – 3 , 51 , 52 ].…”

Section: Resultsmentioning

confidence: 99%

Development and validation of a heated drying air diffusion system to optimize rotary dryers and final coffee quality

et al. 2021

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The final quality of pre-processed coffees is influenced by the applied drying technology. Thus, the aim of the study was to develop and validate a heated air flow diffusion system to optimize and reduce the drying time of rotary dryers and improve the final quality of coffee. Computational fluid dynamics was used for the simulation of the air fluid dynamics in the combustion chamber of the heat generator. It was observed that the energy losses in the upper and lower walls of the heat generator chamber were higher with an increase in the convective heat transfer coefficient. It was found that the rate of fluid flow presented a fully developed profile, in which the higher speed value was found in the central region of the outlet. The reduction in moisture content during coffee drying was directly proportional to the increase in temperature. The Midilli model shows the best fit to describe the drying curves of the coffee. The effective diffusion coefficient increases with increasing temperature of the drying air. It was observed that the adjustments of the fluid dynamics in the burning of gas and the adaptation of the diffuser system significantly influenced the drying time and final quality of naturally processed and pulped coffees. In conclusion, the adapted technological set, a rotary dryer with gas heating and diffusion of heated air, had a high performance in the final quality of the coffee, and for this reason it is recommended to producers and the industry.

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Section: Resultsmentioning

confidence: 99%

Development and validation of a heated drying air diffusion system to optimize rotary dryers and final coffee quality

et al. 2021

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“…Mentha x villosa hydrolate, a by-product of essential oil distillation, was obtained by hydrodistillation (Venskutonis et al, 1997) using the Clevenger apparatus, adapted to a 2,000-mL flask in which the mint leaves were placed together with 1,000 mL of distilled water according to Coradi et al (2018). Fresh leaves of M. x villosa (150 g) were used for each distillation.…”

Section: Methodsmentioning

confidence: 99%

Therapeutic bath of mint hydrolate in the control of monogenea for four tilapia species

et al. 2023

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This work aimed to evaluate a therapeutic bath of mint (Mentha x villosa) hydrolate in the control of monogeneans for four tilapia species (Oreochromis niloticus, Oreochromis aureus, Oreochromis mossambicus, and Oreochromis hornorum) reared in the same environment (pond). After two months, 60 individuals of O. niloticus were divided into six groups of ten fish each. Three of them were submitted to a 1-hour therapeutic bath of mint hydrolate at the concentration of 20 mL·L-1, and the others were used as a control group. This process was repeated for O. aureus, O. mossambicus and O. hornorum. After that, mucus and gills were analyzed to determine parasitological indices (prevalence, mean abundance, and mean intensity) for monogeneans. The efficacy of mint hydrolate bath was set as 73.5, 79, 80.7, and 84.5% for O. hornorum, O. aureus, O. mossambicus and O. niloticus, respectively,against the monogeneans in the mucus. All species in this work demonstrated similar parasitic susceptibility when reared in the same environment. In addition, the use of mint therapeutic bath demonstrated efficacy in the control of monogeneans in mucus for all evaluated species.

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“…The oil extracted mass as a function of drying temperature was estimated from experimental data from the literature (Coradi et al, 2018). These authors, in drying and extracting oil from guaco leaves, observed that higher drying temperatures reduced the yield of essential oil obtained.…”

Section: Fig 1 Deep Bed Drying Process With Recirculationmentioning

confidence: 99%

Numerical optimization of guaco leaves extraction based on pre‐heat treatment

Martins

Johann

Palú

et al. 2022

J Food Process Engineering

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Electric conductivity test for quality assessment of aromatic and medicinal plants after drying

Cited by 9 publications

References 29 publications

Development and validation of a heated drying air diffusion system to optimize rotary dryers and final coffee quality

Development and validation of a heated drying air diffusion system to optimize rotary dryers and final coffee quality

Therapeutic bath of mint hydrolate in the control of monogenea for four tilapia species

Numerical optimization of guaco leaves extraction based on pre‐heat treatment

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