Results 41 to 50 of about 526,257 (249)

Klasifikasi Cacat Biji Kopi Menggunakan Metode Transfer Learning dengan Hyperparameter Tuning Gridsearch

open access: yesJurnal Teknologi dan Manajemen Informatika, 2023
Defects in coffee beans can significantly impact the quality of coffee production, which can lead to a decrease in the price of coffee beans in the global coffee market.
Aryo Michael, Juprianus Rusman
doaj   +1 more source

Characteristic and flavor profiles of specialty Arabica coffee derived from fermentation with protease, at different conditions [PDF]

open access: yesE3S Web of Conferences
Coffee is one of the most popular beverages in the world. Development of coffee beans with specific flavor profiles can enhance the quality and value of the product.
Wongyai Intugon   +5 more
doaj   +1 more source

Effect of growing conditions and postharvest processing on arabica coffee bean physical quality features and defects

open access: yesHeliyon, 2022
The individual and interaction effects of elevation, production system (PS), shade and postharvest processing (PHP) on the ratio of dry beans to red cherries and the green bean physical quality features and defects of arabica coffee in southwestern ...
Mohammed Worku   +2 more
doaj   +1 more source

Espresso coffees, caffeine and chlorogenic acid intake: potential health implications [PDF]

open access: yes, 2012
HPLC analysis of 20 commercial espresso coffees revealed 6-fold differences in caffeine levels, a 17-fold range of caffeoylquinic acid contents, and 4-fold differences in the caffeoylquinic acid:caffeine ratio.
Ashihara   +13 more
core   +1 more source

THE CHEMICAL CHARACTERISTICS OF ARABICA AND ROBUSTA GREEN COFFEE BEANS FROM GEOPARK RINJANI, INDONESIA

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2023
Green coffee beans are also called unroasted coffee beans. The chemical composition of green coffee beans plays a vital role in determining the final product’s aroma.
Zainuri   +6 more
doaj   +1 more source

Effect of the Post-Harvest Processing on Protein Modification in Green Coffee Beans by Phenolic Compounds

open access: yesFoods, 2022
The protein fraction, important for coffee cup quality, is modified during post-harvest treatment prior to roasting. Proteins may interact with phenolic compounds, which constitute the major metabolites of coffee, where the processing affects these ...
G. A. F. Campos   +6 more
semanticscholar   +1 more source

The polyphenolic and hydroxycinnamate contents of whole coffee fruits from China, India and Mexico [PDF]

open access: yes, 2013
Air dried whole coffee fruits, beans and husks from China, India and Mexico were analysed for their chlorogenic acids (CGA), caffeine, and polyphenolic content. Analysis was by HPLC and Orbitrap exact mass spectrometry.
Combet, E.   +4 more
core   +1 more source

Trigonelline Is a Novel Phytoestrogen in Coffee Beans , [PDF]

open access: yesThe Journal of Nutrition, 2009
Drinking coffee has been associated with the development of several endocrine-related cancers. The interpretation of these data has often been limited to the role that caffeine plays. Trigonelline (Trig), a niacin-related compound, is a natural constituent of coffee accounting for approximately 1% dry matter in roasted beans.
Kimberly F, Allred   +3 more
openaire   +2 more sources

THE OCCURRENCE OF INSECTS, FUNGI AND ORGANOLEPTIC CHARACTERISTICS IN STORED COFFEE BEANS IN LAMPUNG

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2011
A survey on postharvest handling and technology processing of coffee beans at farmer, trader and exporter levels was conducted in West Lampung and Tanggamus regencies of Lampung province during harvest time (July 1998).
OKKY S. DHARMAPUTRA   +3 more
doaj   +1 more source

Impact of interacting climate change factors on growth and ochratoxin A production by Aspergillus section Circumdati and Nigri species on coffee [PDF]

open access: yes, 2016
The objectives of this study were to evaluate the effect of interacting climate change (CC) factors (water stress [water activity, aw; 0.99-0.90]); temperature [30, 35 °C]; and elevated CO2 [400 and 1000 ppm] on (1) lag phases prior to growth, (2) growth
Akbar, Asya   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy