GC/MS-based metabolic profiling for the evaluation of solid state fermentation to improve quality of Arabica coffee beans

Metabolomics ◽  
2020 ◽  
Vol 16 (5) ◽  
Author(s):  
Pingkan Aditiawati ◽  
Dea Indriani Astuti ◽  
Jayen Aris Kriswantoro ◽  
Shafira Mutia Khanza ◽  
Kamarisima ◽  
...  
Keyword(s):  
Solid State ◽  
Solid State Fermentation ◽  
Metabolic Profiling ◽  
Improve Quality ◽  
Arabica Coffee ◽  
Coffee Beans

scholarly journals Chemical compounds and sensory characteristics of Arabica coffee (Coffea arabica) as a novel specialty coffee from Sinjai Regency, Indonesia

Food Research ◽  
2021 ◽  
Vol 5 (S2) ◽  
pp. 107-112
Author(s):  
A. Assa ◽  
J.E. Loppies ◽  
A.N. Amalia ◽  
D. Indriana ◽  
Mamang ◽  
...  
Keyword(s):  
Sensory Quality ◽  
Reference Sample ◽  
Chemical Compounds ◽  
Brown Sugar ◽  
Arabica Coffee ◽  
Coffee Plantations ◽  
South Sulawesi ◽  
Coffee Beans ◽  
Specialty Coffee

Specialty coffee is generally found in areas with an altitude around 1000 meters above sea level (m a.s.l.) and is known to have a different distinctive flavor. One of the coffee plantations in South Sulawesi that has the potential to upgrade its status as a specialty coffee is the Sinjai regency. The sensory quality and chemical characteristics are the most important component of specialty coffee. The purpose of the study was to evaluate the chemical compounds and sensory quality in Manipi coffee beans in South Sulawesi, which has the potential to be classified as specialty coffee. The coffee cherries were collected from two locations based on different altitudes namely MA1 = 1200 m a.s.l. and MA2 = 1400 m a.s.l. The coffee cherries directly processed the wet method referring to Enrekang Arabica as a reference sample EA1 = 1200 m a.s.l. and EA2 = 1400 m a.s.l. The results showed that the chemical content and quality of sensory in Manipi Arabica coffee beans were affected by altitude. MA2 had the highest protein content (13.26%), lipid (7.67%), and caffeine (1.42%), whereas green arabica coffee beans with the highest carbohydrate content was MA1 (23.38%). The Enrekang Arabica were similar in terms of Manipi Arabica coffee beans had the highest protein, lipid, and caffeine content at an altitude of 1400 m a.s.l. respectively (12.41%), (10.73%), and (1.32%). The sensory quality of MA1 is 85.75, relatively similar to MA2 is 85.25. The Manipi Arabica coffee beans showed a specific flavor, namely brown sugar and vanilla notes from both altitudes. It had the potential to be developed into specialty coffee with a cup test score > 80.

scholarly journals Effect of Solid-State Fermentation on Nutritional Quality of Leaf Flour of the Drumstick Tree (Moringa oleifera Lam.)

2021 ◽  
Vol 9 ◽  
Author(s):  
Honghui Shi ◽  
Endian Yang ◽  
Yun Li ◽  
Xiaoyang Chen ◽  
Junjie Zhang
Keyword(s):  
Solid State ◽  
Solid State Fermentation ◽  
Protein Profile ◽  
Nutritional Composition ◽  
Small Peptides ◽  
Nutritional Factors ◽  
High Quality Protein ◽  
Drumstick Tree ◽  
Protein Feed

The drumstick tree is a fast-growing multipurpose tree with a large biomass and high nutritional value. However, it has rarely been exploited as a protein source. This study investigated solid-state fermentation induced by Aspergillus niger, Candida utilis and Bacillus subtilis to obtain high-quality protein feed from drumstick leaf flour. The results showed that fermentation induced significant changes in the nutritional composition of drumstick leaf flour. The concentrations of crude protein, small peptides and amino acids increased significantly after fermentation. The protein profile was also affected by the fermentation process. Macromolecular proteins in drumstick leaf flour were degraded, whereas other high molecular weight proteins were increased. However, the concentrations of crude fat, fiber, total sugar and reducing sugar were decreased, as were the anti-nutritional factors tannins, phytic acid and glucosinolates. After 24 h fermentation, the concentrations of total phenolics and flavonoids were increased. The antioxidant capacity was also significantly enhanced.

scholarly journals Quality of arabic coffee under different processing systems, drying methods and altitudes

2020 ◽  
Vol 36 (4) ◽  
Author(s):  
Kênia Barbosa Do Carmo ◽  
Jéssica Conceição Barbosa do Carmo ◽  
Marcelo Rodrigo Krause ◽  
Aldemar Polonini Moreli ◽  
Paola Alfonsa Vieira Lo Monaco
Keyword(s):  
Electrical Conductivity ◽  
Block Design ◽  
Processing System ◽  
Sensory Attributes ◽  
Drying Methods ◽  
Arabica Coffee ◽  
Coffee Beans ◽  
The Social ◽  
Wet Processing

The quality of coffee is one of the most important requirements in the commercialization of the product, and the post-harvest stage is decisive in the production of excellent coffees. The region of Mutum, MG, Brazil, is predominantly coffee-growing, with high potential for the production of specialty coffees. Due to the social and economic importance of coffee production in the Matas de Minas region, research has been demanded with the aim of providing technological information that provides improvements in quality and consequent price aggregation of the coffee bag. Among the several factors that may affect coffee quality are the processing system, the drying method and the altitude. Thus, the objective of this work was to evaluate the quality of Arabica coffee at different altitudes, submitted to different processing systems and drying methods. The work was conducted at the Cabeceira do Imbiruçu, in a randomized complete block design,with treatments arranged in a scheme comprising sub-subdivided plots (2 x 2 x 2), with four replications. In the plots, the two altitudes (850 and 1050 m), in the subplotsthe two processingsystems (dry (natural) and wet (peeled cherry)) and in the sub-subplotstwo drying methods (cement and suspended yard, both covered). Sensory and electrical conductivity analyzes were performed. The fruits of coffee trees located at altitudes of 1050 m have sensory attributes superior to those of altitudes of 850 m. The best results of the coffee flavor and aroma sensory attributes were obtained in the wet processing system when compared to a dry (natural) processing system. The electrical conductivity of the coffee beans obtained in the wet processing system was lower than that obtained in the dry processing system (natural), which gives a better beverage quality. Drying methods in suspended yard and cement yard, both with plastic cover and if technically conducted, do not influence the sensory characteristics of the Arabica coffee.

scholarly journals Upgrading the Nutritional Value of Rice Bran by Solid-State Fermentation with Pleurotus sapidus

Fermentation ◽  
2019 ◽  
Vol 5 (2) ◽  
pp. 44 ◽  
Author(s):  
Omarini ◽  
Labuckas ◽  
Zunino ◽  
Pizzolitto ◽  
Fernández-Lahore ◽  
...  
Keyword(s):  
Fatty Acid ◽  
Solid State ◽  
Rice Bran ◽  
Solid State Fermentation ◽  
Acid Content ◽  
Nutritional Quality ◽  
Oleic Acid Content ◽  
Pleurotus Sapidus ◽  
Process Strategy

Solid-state fermentation (SSF) of rice bran (RB) employing the edible fungus Pleurotus sapidus was investigated as a process strategy to improve the nutritional quality of this low-cost and abundant substrate. During fermentation, samples were withdrawn at different time intervals (4, 6, and 10 days) and further analyzed. Established methods were deployed to monitor the changes in nutritional composition (carbohydrates, proteins, ash, and lipids). Additionally, changes in fatty acid composition was studied as a function of culture progress. Results showed that the SSF of rice bran increased total carbohydrates from 36.6% to 50.2%, total proteins from 7.4% to 12.8%, and ash from 7.6% to 11.5%. However, the total lipid content was reduced from 48.5% to 27.8%. The fatty acid (FA) composition of RB included mainly oleic, linoleic, and palmitic acids. Upon fermentation with P. sapidus, small differences were found: linoleic acid and oleic acid content were increased by 0.4% and 1.1%, respectively, while palmitic acid content was reduced by 0.8%. This study demonstrated an improvement in the nutritional quality of RB after fermentation with P. sapidus, since protein, carbohydrates, minerals, and specific FA components were increased. As a whole, our results indicate that fermented rice bran could be used as a high-quality animal feed supplement.

Composición química y calidad nutritiva de garbanzo (Cicer arietinum L.) fresco y endurecido después de la fermentación en estado sólido (FES)/Chemical composition and nutritional quality of fresh and hardened chickpea (Cicer arietinum L) after the solid state fermentation (SSF)

2000 ◽  
Vol 6 (3) ◽  
pp. 251-258 ◽  
Author(s):  
C. Reyes-Moreno ◽  
C.A. Romero-Urias ◽  
J. Milan-Carrillo ◽  
R.M. Gomez-Garza
Keyword(s):  
Chemical Composition ◽  
Solid State ◽  
Phytic Acid ◽  
Cicer Arietinum ◽  
Solid State Fermentation ◽  
Nutritional Quality ◽  
Dry Matter ◽  
Cicer Arietinum L ◽  
Ssf Process

Solid state fermentation (SSF) represents a technological alternative for a great variety of legumes and cereals, or combinations of them, to improve their nutritional quality and to obtain edible products with palatable sensorial characteristics. Chickpeas (Cicer arietinum L.) are prone to develop the hardening phenomenon, also known as hard-to-cook (HTC) defect, when stored under adverse conditions of high temperature (≥ 25 °C) and high relative humidity (≥ 65%). This hard-to-cook phenomenon causes increases in cooking time, decreases in nutritional quality and deterioration of sensorial attributes of chickpea. The objective of this work was to study the effect of SSF on chemical composition and nutritional quality of fresh and hardened chickpeas. The hardening of chickpea ( Cicer arietinum L. Blanco Sinaloa 92 variety) for human consumption, was produced by accelerated storage (33-35 °C, RH = 75%, 180 days). A Rhizopus stolonifer spore suspension (1 x 106 spores/mL) was used as starter for the fermentation. The temperature and time of the SSF process were 35.8 °C and 42.7 h, respectively. The tempeh was obtained from fresh and hardened chickpea. The SSF process caused a significant increase ( p ≤ 0.05) in crude protein, true protein (19.6-19.9 to 23.2-23.4%), protein solubility, in vitro digestibility (68.6-73.1% to 79.9-80.5%), available lysine (2.19-3.04 to 3.19-4.07 g lysine/ 16 N), palmitic acid, and stearic acid, and a significant decrease ( p ≤ 0.05) in lipids, minerals, linoleic acid, phytic acid (8.82-10.73 to 2.11 g phytic acid/g dry matter), and tannins (16.1-22.4 to 3 mg catechin/g dry matter). The SSF process improved significantly the quality of fresh and hardened chickpea.

Packed Bed Column Fermenter and Kinetic Modeling for Upgrading the Nutritional Quality of Coffee Husk in Solid-State Fermentation

2001 ◽  
Vol 17 (6) ◽  
pp. 1065-1070 ◽  
Author(s):  
D. Brand ◽  
A. Pandey ◽  
J.A. Rodriguez-Leon ◽  
S. Roussos ◽  
I. Brand ◽  
...  
Keyword(s):  
Solid State ◽  
Kinetic Modeling ◽  
Solid State Fermentation ◽  
Nutritional Quality ◽  
Packed Bed ◽  
Packed Bed Column ◽  
Coffee Husk ◽  
Column Fermenter

scholarly journals Kajian Pengering Kopi Gayo Semi Basah Menggunakan Alat Pengering Tipe Hohenheim

2020 ◽  
Vol 4 (4) ◽  
pp. 362-371
Author(s):  
Antoni Hardi ◽  
Ichwana Ichwana ◽  
Rita Khathir
Keyword(s):  
Relative Humidity ◽  
Moisture Content ◽  
Water Content ◽  
Drying Process ◽  
Arabica Coffee ◽  
Drying Temperature ◽  
Average Daily Temperature ◽  
Coffee Beans ◽  
Simple Technology

Abstrak. Sebagai produsen kopi Arabica, masyarakat Gayo terkendala pada suhu lokal di Aceh Tengah yang relatif dingin dan teknologi sederhana yang digunakan untuk proses pengeringan kopi. Suhu rata-rata harian adalah 23-29°C. Bahan yang digunakan pada penelitian ini yaitu biji kopi yang diolah dengan metode semi basah sebanyak 9kg. Parameter penelitian meliputi suhu pengeringan, kelembaban relatif, kadar air dan rendemen. Hasil penelitian menunjukkan bahwa suhu pengeringan menggunakan alat pengering Hohenheim jauh lebih tinggi sekitar 10-20°C dari suhu pengeringan secara penjemuran. Proses pengeringan kopi labu sampai bisa digiling membutuhkan waktu selama 12 jam yaitu 8 jam pada hari pertama dan 4 jam pada hari ke-2. Sedangkan proses pengeringan tahap 2 membutuhkan waktu selama 16 jam sampai menghasilkan kopi beras dengan kadar air 9,32%. Kualitas kopi beras yang dihasilkan sudah baik dengan kadar air  yang sudah memenuhi standar SNI, tidak berbau busuk, dan tidak terkontaminasi. Nilai rendemen kopi beras berbasis kopi labu adalah 35%.Study of Drying Semi Washed Gayo Coffee Use Dryer Type Hohenheim Abstrack. As an Arabica coffee producer, the Gayo community is constrained by the relatively cold local temperatures in Central Aceh and the simple technology used for the coffee drying process. The average daily temperature is 23-29 ° C. The material used in this study was coffee beans which were processed by the semi-wet method of 9kg. Research parameters include drying temperature, relative humidity, moisture content and yield. The results showed that the drying temperature using a Hohenheim dryer is much higher around 10-20 ° C than the drying temperature by drying. The process of drying pumpkin coffee until it can be ground needs 12 hours, which is 8 hours on the first day and 4 hours on the second day. While the process of drying stage 2 takes 16 hours to produce rice coffee with a moisture content of 9.32%. The quality of rice coffee produced is good with water content that meets SNI standards, does not smell bad, and is not contaminated. The yield of pumpkin coffee-based rice coffee is 35%.

scholarly journals Biological Pretreatment by Solid-State Fermentation of Oat Straw to Enhance Physical Quality of Pellets

2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
Wei Gao ◽  
Zhiqiang Lei ◽  
Lope G Tabil ◽  
Rongfei Zhao
Keyword(s):  
Particle Size ◽  
Solid State ◽  
Moisture Content ◽  
Solid State Fermentation ◽  
Biological Pretreatment ◽  
Fermentation Time ◽  
Physical Quality ◽  
Fermentation Temperature ◽  
Oat Straw

Pelleting can increase the efficiency of handling and transportation of biomass. Pretreatment obtains lignin fragments by disrupting the lignocellulosic structure of biomass and ensures the high-quality compressed pellets. In this study, solid-state fermentation (SSF) is used as a biological method to improve the quality of pellets of oat straw. SSF of oat straw using Trametes versicolor 52J (TV52J) and Phanerochaete chrysosporium (PC) was conducted. Response surface methodology (RSM) was employed by using a four-factor, three-level Box–Behnken design with fermentation time (days), moisture content (%), particle size (mm), and fermentation temperature (°C) as independent parameters. Pellet density, dimensional stability, and tensile strength were the response variables. The optimization options of fermentation time (33.96 and 35 days), moisture content (70%), particle size (150 and 50 mm), and fermentation temperature (22°C) of oat straw pretreated with these two fungal strains were obtained. The microscopic structural changes of oat straw caused by biological pretreatment were investigated by scanning electron microscopy (SEM). Observation results of SEM showed that the connection between single fibers became relatively loose, and this was beneficial to improve the physical quality of the pellets.

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