Effect of the solar drying process on the sensory and chemical quality of cocoa (Theobroma cacao L.) cultivated in Antioquia, Colombia

2019 ◽  
Vol 115 ◽  
pp. 259-267 ◽  
Author(s):  
Luis Danilo Porras Barrientos ◽  
Juan Diego Torres Oquendo ◽  
Maritza Andrea Gil Garzón ◽  
Olga Lucia Martínez Álvarez
Author(s):  
Julián Pérez-Flores ◽  
José Rodolfo H. Mendoza-Hernández ◽  
Abel Cleomé ◽  
Víctor Córdova-Ávalos

Objective: To characterize the harvest and postharvest of the cocoa managementsystem at La Chontalpa, Tabasco, Mexico.Design / methodology / approach: The study took place in the towns ofFrancisco Trujillo Gurría and Ernesto Aguirre Colorado de Huimanguillo, Tabasco,Mexico. The study was descriptive and accounted for 51 producers and thoseresponsible for the cocoa profit centers. Producers were chosen through targetedsampling. A survey on their harvest and postharvest was applied, in addition todirect assessment in plantations and profit centers.Results: The cocoa harvesting is manual. The producers cut the ripe and almostripe fruits, do not store and 58.8% of them do not break the fruit. With a “machete”cut the fruit in half and manually extract the grains. The fresh grains are sold at aprofit. The cocoa is then fermented in wooden boxes, dried artificially, natural, or ina combined way, and packed in “yute” bags for sale. Profit centers do not keeptrack of their grain origin and make no selection or determine product quality. Study limitations / implications: All producers harvest in the same way, but theprocesses during post-harvest could differ at different collection centers.Findings / conclusions: The harvest of cocoa fruits at different maturity and thelack of storage causes a heterogeneous fermentation. The humidity level duringthe drying process is empirically determined.


DYNA ◽  
2020 ◽  
Vol 87 (214) ◽  
pp. 53-60
Author(s):  
Alfonso Parra-Coronado ◽  
Oscar Leonardo García-Navarrete ◽  
Francy Alejandra Vanegas-Izquierdo ◽  
José Alfredo Gamboa-Gamboa ◽  
Andrés Felipe González-Mora ◽  
...  

A “special coffee” is obtained with an adequate drying process, which allows the preservation of volatile substances responsible for excellent cup quality. The aim was to carry out preliminary studies of drying of natural coffee by implementing a Cyclic Pressure Changes (CPCD) dryer, comparing it with solar drying and with a mechanical drying system by forced convection of low-temperature air. The drying times and rates of the systems used were compared, as well as the respective valuation of the cup quality. Drying times were 767 h for solar drying system, without reaching the desired moisture content; 153.5 h for mechanical drying system and 449 h for the CPCD system. However, the global cup tests showed a better quality of the grain obtained with the CPCD system (87 points), than the one obtained with the mechanical drying at 35°C (84 points).


Author(s):  
Sulistyani Pancaningtyas ◽  
Teguh Iman Santoso ◽  
Sudarsianto .

Study of germination methods conduct to get information about seed viability based on germination rate, percentage of germination and vigority. Germination methods was studied to get the efficiency and effectivity of germination, easy to handle, low costs with high vigority. Sand and gunny sack methods  for germination, need extensive place  and 3-4 days germination period after planting. This research will study the alternative of germination method with soaking. This method can be accelerating  germination rate and effectively place usage without decreasing the quality of cacao seedling.The research was done at Kaliwining Experimental Station, Indonesian Coffee and Cocoa Research Institue. This research consist of two experiment was arranged based on factorial completely random design. First experiment will observed to compared germination rate and the second experiment will observed seedling quality between soaking and wet gunny sack germination method.The results showed that length of radicel on soaking method longer than wet gunny sack method. Growth of radicel started from 2 hours after soaking, moreover length of radicel at 4 hours after soaking have significant different value with gunny sack method. On 24 hours after soaking have 3,69 mm and 0,681 mm on wet gunny sack treatment. Except lengt of hipocotyl, there is not different condition between seedling that out came  from soaking and wet gunny sack method. Length of hipocotyl on 36 hours after soaking have 9,15 cm and significant different between wet gunny sack germination method that have 5,40 cm. Keywords : seed germination, soaking method, Theobroma cacao L., cocoa seedlings


Respati ◽  
2020 ◽  
Vol 15 (2) ◽  
pp. 1
Author(s):  
Elisabet Yunaeti Anggraeni ◽  
Sri Hartati ◽  
Icha Mufadila

INTISARITanaman kakao (Theobroma cacao, L.) atau yang biasa disebut coklat merupakan tanaman perkebunan yang tumbuh di lahan kering. Tanaman kakao merupakan salah satu komoditas unggulan nasional yang berperan penting bagi pertumbuhan perekonomian Indonesia. Namun, dalam  budidayanya petani kakao seringkali menghadapi masalah yang dapat menyebabkan penurunan kualitas hasil produksi kakao. Karena permasalahan inilah yang membuat peneliti ingin membuat suatu sistem pendukung keputusan yang dapat membantu petani dan suplayer terutama CV. Bulok Kakao Sentosa untuk menentukan kualitas biji kakao. Sistem yang dirancang menggunakan metode Weighted Product (WP) merupakan metode penyelesaian dengan menggunakan perkalian untuk menghubungkan nilai atribut, dimana nilai harus dipangkatkan terlebih dahulu dengan bobot atribut yang bersangkutan. Dengan adanya sistem  penunjang keputusan ini mampu membantu masyarakat untuk menentukan  kualitas biji kakao dan di harapkan sistem pendukung keputusan menggunakan metode Weighted Product dalam proses menentukan kualitas pada biji kakao tersebut dapat menyelesaikan masalah pada CV. Bulok Kakao Sentosa, petani dan pengepul kakao dalam menentukan kualitas biji kakao yang baik Kata Kunci : Sistem Penunjang Keputusan, Weighted Product (WP), Biji Kakao ABSTRACTCacao (Theobroma cacao, L.) or commonly called cocoa is an estate crop that grows on dry land. Cacao is one of the leading national commodities that plays an important role in Indonesia's economic growth. However, in the cultivation of cocoa farmers often face problems that can cause a decrease in the quality of cocoa production. Because of this problem that makes researchers want to create a decision support system that can help farmers and suppliers, especially CV. Bulok Kakao Sentosa to determine the quality of cocoa beans. The system is designed using the Weighted Product (WP) method is a method of settlement using multiplication to connect the attribute value, where the value must be raised first with the weight of the attribute in question. With this decision support system able to help the community to determine the quality of good cocoa beans and expected with the decision support system using the Weighted Product method in the process of determining the quality of the cocoa beans can solve the problem in the CV. Bulok Kakao Sentosa, cocoa farmers and collectors in determining the quality of good cocoa beans. Keywords : Decision Support System, Weighted Product (WP), Cacao Beans


Author(s):  
Muhammad Isa Dwijatmoko ◽  
Budi Nurtama ◽  
Nancy Dewi Yuliana ◽  
Misnawi Misnawi

Cocoa bean is a rich source of polyphenols, which are the largest group secondary metabolite with natural antioxidant property. Polyphenols from cocoabeans was reported to possess health benefits. Fermentation, one step in cocoa processing is needed to improve the quality of cocoa in which the concentration of cocoa bean polyphenols might decrease significantly through oxidation and exudation. Cocoa polyphenols content among different cocoa clones mightalso vary. The aims of this study were to determine total polyphenols, total flavanoid, epicatechin, and catechin content in several cocoa clones, those wereSulawesi 1, Sulawesi 2, ICCRI 03, and KW 617. Until now, characterization of polyphenols from those clones has not been reported. The effect of five daysfermentation to those parameters was also studied. The results of the study showed that fermentation and type of clones significantly affected total of polyphenols, total of flavanoids, epicatechin, and catechin content of the cocoa, there is also an interaction between fermentation and type of clones. Unfermented of Sulawesi 1 had the highest total polyphenols of 96.94±5.83 mg/g, total flavanoids of 90.92±1.89 mg/g, epicatechin of 52.50±0.46 mg/g, and catechin of 1.99±0.02 mg/g content compared to other clones. Among five days fermented cocoa beans, Sulawesi 2 showed the highest total polyphenols and total flavanoids content, while ICCRI 03 had the highest epicatechin and catechin content than other clones. Thus, in can be concluded that although fermentation is required to improve the flavor quality of cocoa, it significantly reduced the content of bioactive compounds. This effect varied amongdifferent cocoa clones.


Author(s):  
O. I. Asunbo

Aim: To assess the impacts of rodent pests on Cocoa (Theobroma cacao) production and productivity. Rodents belong to the mammalian order that is widely distributed globally. Their adaptive potential and capability to face changing environments even when instigated by anthropogenic activities is quite amazing. Also, their importance as vital links in food chain between species of plants and the predators thereby playing crucial roles within the ecosystem cannot be overemphasized. Rodents have been noted to cause ubiquitous damage to agricultural crops including cocoa. They can cause damage in crop fields from planting throughout harvest and storage. The damages caused by rodent pests mostly occur during the sensitive young seedling stage and just prior to harvesting. The pattern and the extent of damage by pest rodents depend upon the species, the intensity of infestation, the type and the growth stage of the crop, and the nature of the surrounding habitat. These damages caused by rodent pests could be direct through the consumption of cocoa beans or indirect through the biting, gnawing or scratching of pods which could range from slight to severe. The stern impacts caused as a result of rodent pest activities are not only felt in the quantity and quality of cocoa pods but also on the social maintenance as well as survival of those growing the crop. Despite the paucity of documented data as regards the kind, form as well as ferocity of rodent damage, it is highly expedient to re-evaluate the rodent pests’ impacts on the production of cocoa so as to update the very scarce available information whilst providing a basis for additional investigation.


2018 ◽  
Vol 13 (3) ◽  
pp. 156
Author(s):  
S. Joni Munarso ◽  
Kun Tanti Dewandari ◽  
Zahra Haifa

<p>Telah dilakukan penelitian yang bertujuan untuk mengetahui pengaruh penambahan starter mikroba (<em>Acetobacter aceti, Lactobacillus plantarum dan Saccharomyces cereviceae</em>) serta pemerasan pulp terhadap fermentasi dan mutu biji kakao. Penelitian menggunakan metode Rancangan Acak Lengkap (RAL) pola faktorial 3x5 dengan dua kali ulangan. Faktor pertama adalah fermentasi yaitu fermentasi biji kakao secara spontan (F1), Fermentasi biji kakao dengan penambahan <em>A. aceti, L. plantarum dan S. cereviciae</em> (F2), Fermentasi biji kakao dengan perlakuan pemerasan pulp serta penambahan <em>A. aceti, L. plantarum dan S. cereviciae</em> (F3). Sedangkan faktor kedua adalah lama fermentasi (H1, H2, H3, H4 dan H5). Hasil penelitian menunjukkan bahwa penambahan starter meningkatkan konsentrasi etanol pada saat fermentasi dan meningkatkan kadar asam asetat, tetapi menurunkan konsentrasi asam oksalat pada biji kakao. Penambahan starter disertai pemerasan pulp menghasilkan biji kakao dengan kadar asam asetat sebesar 0,47%, sedangkan biji kakao tanpa pemerasan kadar asam asetat 0,49%. Penambahan starter disertai pemerasan pulp menghasilkan mutu biji kakao terbaik dengan karakteristik sebagai berikut: skor nilai uji belah tertinggi (379 dari 400), mutu fisik (Golongan mutu A) serta memenuhi persyaratan mutu SNI 2008 No. 2323 tentang biji kakao dengan rasio jumlah per berat biji sebanyak 88 biji/100g; nilai pH 4,93; kadar asam asetat 0,47%, kadar lemak 34,90%, kadar air 4,47%, kadar serat kasar 3,66% dan kadar abu 4,82% dengan waktu fermentasi selama 5 hari.</p><p align="center"><strong>English Version Abstract</strong></p><p align="center"><strong><strong>Effect of Starter Culture Addition and Depulping on The Fermentation and Quality of Cocoa Beans (Theobroma cacao L.)</strong></strong></p><p>S Joni Munarso, Kun Tanti Dewandari, and Zahra Haifa. 2016. Effect of Starter Culture Addition and Depulping on The Fermentation and Quality of Cocoa Beans (<em>Theobroma cacao L</em>.). The aimed of this study was to investigate the effect of starter culture addition (<em>Acetobacter aceti, Lactobacillus plantarum, and Saccharomyces cerevisiae</em>) with depulping on the fermentation and quality of cocoa beans. The experimental design of this study was conducted using a 3×5 factorial Completely Randomized Design (CRD) with duplicate replication. The first factor was fermentation condition included spontaneously fermented cocoa beans (F1), fermentation of cocoa beans with the addition of <em>A. aceti, L. plantarum and S. cereviciae </em>(F2), Fermented cocoa beans with depulping and addition of <em>A. aceti, L. plantarum and S. Cereviciae</em> (F3). The second factor was time of fermentation. The result revealed that starter addition increased ethanol concentration on the fermentation process, increased acetate acid, and citric acid concentratio, meanwhile oxalic acid decreased on cocoa beans during 5 days of fermentation. Depulping caused a slight decrease in acetic acid concentration at the end of fermentation with value of 0,47%, meanwhile the sample of cocoa beans without depulping treatment had acetic acid concentration of 0,49%. Starter culture addition and depulping treatment resulted the best characteristic of cocoa beans which visualized by the largest amounts of cut test score (379 of 400), physical quality (Grade A) and completed SNI No. 2323-2008 requirements with total beans/100 g ratio of 88 beans/100g; pH values of 4,93; acetic acid concentrations of 0,47%, content of fat 15,12%, moisture 4,47%, crudefiber 3,66% and total ash 4,82% after 5 days fermentation.</p>


2020 ◽  
pp. 1695-1700
Author(s):  
Vinicius de Souza Oliveira ◽  
Stefany Sampaio Silveira ◽  
Robson Prucoli Posse ◽  
Laís Gertrudes Fontana Silva ◽  
Valeria Pancieri Sallin ◽  
...  

The study aimed to evaluate the growth and quality of SJ-02 cocoa seedlings under different irrigation depths and cultivation container sizes. The experiment was arranged as a completely randomized design, in a factorial scheme (4x3), where the first factor consisted of the application of four different irrigation depths (6, 10, 12 and 14 mm d-1) and the second one was composed of three different cultivation containers (small, medium and large). Twelve treatments were evaluated with eight repetitions, totaling 96 plants in the experimental field. At 74 days after sowing, the leaf area, stem diameter, plant height, dry mass of the aerial part, dry mass of the root system, total dry mass and Dickson's quality index of all seedlings were analyzed. The 10.32 mm d-1 irrigation depth and the medium and large cultivation containers provided the highest quality in seedling production, being the most suitable ones. However, there was no interaction between the factors


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