Coffee drying

About 0.5 ton of coffee pulp is generated for each ton of coffee cherry processed. In the present study, this waste was investigated as a source of pectin. Coffea arabica L. pulp was dried, treated with ethanol and the pectin extracted with 0.1 M HNO3 (14.6 % yield). Chromatographic, colorimetric and spectroscopic methods were used for pectin characterization.

7p viginny 30-12-2022 8 3   Download

The aim of study "Improvement of coffee bean quality by using Saccharomyces cerevisiae and pectinase during the drying process" was to evaluate the potential of the use of S. cerevisiae and pectinase for Robusta coffee in dry process. In this study, Robusta coffees were inoculated with S. cerevisiae and pectinase as following: TR1 was treated with 1 g yeast; TR2 was inoculated with 3 g yeast, TR3 was a combination of 1 g yeast and 0.2 g enzyme; TR4 was a combination of 3 g yeast and 0.2 g enzyme.

6p tieuduongchi 24-10-2022 6 3   Download

Study was conducted during 2015-16 to find the arthropod diversity in Horticultural and Silvicultural Crops of Yercaud Hills. The major crops grown are Coffee and flower crops. Spiders were collected from dry mixed deciduous forests, scrub jungle, coffee plantations and flower crops by following standard techniques and they were identified. From the collection, from the survey, a total of 1039 spider individuals were collected in different locations of Yercaud hills covering 50 species belonging to 17 families.

5p chauchaungayxua11 23-03-2021 11 2   Download

The objective of this study is to measure the floristic diversity in coffee agroforests and adjoining forests as well to know the effect of different landholding sizes of coffee farms in Kodagu district, Western Ghats of Karnataka. We collected the data on trees, shrubs and herbs from 50 sample plots of 0.16 ha. Each and analyzed for various diversity parameters. Results revealed that Shannon’s (H') was highest in adjoining forests (2.48) compared to that of coffee agroforests (1.92). On the other hand, Simpson’s (D) value recorded in adjoining forests lower (0.

10p trinhthamhodang3 22-02-2020 7 0   Download

This study explored the optimization of extraction condition of total polyphenols and flavonoids from dried coffee cherry pulp (Cascara) by response surface methodology. The effect of varying the extraction conditions such as solvent (water)-to-material ratio (X1); temperature (X2) and time (X3) were studied. The results demonstrated that the best combination of extraction conditions for dried coffee cherry pulp was at 1:40.77 solid-solvent ratio, 71.59 oC and 48.39 min. At optimal extraction conditions, the total polyphenols content achieved 23.

7p chauchaungayxua2 07-01-2020 15 1   Download

One of the problems with the fermentation process is conducted in the Central Highlands of Vietnam is a low ambient temperatures may be encountered and this is believed to adversely affect the fermentation of cocoa. in a trying to overcome this, a "hot house" was built to conduct the fermentation process. the heat is similar to a solar dryer in that it had a wing with a black stone set in, but instead of a dry bed, had a compartment with the roof level for the position of the fermentation box. Sides and roof of the prevent the hinge allows lifting the roof and side...

21p xau_la 10-02-2012 52 7   Download

It is generally understood that the length of the fermentation process has an effect on the quality attributes of cocoa. Properties affected include bark content, pH, titrable acidity (TA), test results and the properties cutting taste. it also been demonstrated that soaking seeds in water, after fermentation, resulting in higher dry cocoa percentage of brown seeds, bark less content and improved flavor characteristics, (Hollywood, NW 1997). This test is done to prove whether the effects of fermentation time and soak application Vietnam to cocoa....

22p xau_la 10-02-2012 53 6   Download