Enhancing the Nutritional Value of Coconut Meal for Aquaculture Feed through Fermentation with Rhizopus sp. and EM4
Main Article Content
Abstract
Coconut meal is an agricultural waste that has not been widely utilized but still contains nutrients. This study aims to evaluate the effect of fermentation on the protein, fat, and carbohydrate content of coconut meal. Three main treatments were compared: unfermented coconut meal, coconut meal fermented with Rhizopus sp., and coconut meal fermented with EM4. The results of the analysis showed that unfermented coconut meal had a protein content of 34,77%, fat 8,84%, and carbohydrate 27,73%. Fermentation with Rhizopus sp. increased the protein content to 37,37%, decreased the fat content to 6.11%, and slightly increased the carbohydrate content to 23,04%. Meanwhile, fermentation with EM4 increased the protein content to 35.87%, decreased the fat content to 6.55%, and increased the carbohydrate content to 26.86%. Based on the results of the study, fermentation with Rhizopus sp. was more effective in increasing protein content and decreasing fat content compared to fermentation with EM4. Fermentation with EM4 showed a significant increase in carbohydrate content. In conclusion, the fermentation process can improve the nutritional quality of coconut meal, so that it can be a more nutritious alternative as animal feed
Downloads
Article Details

This work is licensed under a Creative Commons Attribution 4.0 International License.
Accepted 2025-05-25
Published 2025-06-25
References
[1] S. Sonwai, P. Podchong, and D. Rousseau, "Crystallisation Kinetics of Coconut Oil in the Presence of Sorbitan Esters with Different Fatty Acid Functional Groups," JAOCS, J. Am. Oil Chem. Soc, vol. 93, no. 6, pp. 849-858, 2016, doi: 10.1007/s11746-016-2828-3.
[2] CL Burnett et al, "Final Report on the safety assessment of cocos nucifera (Coconut) oil and related materials," Int. J. Toxicol, vol. 30, no. 3, 2011, doi: 10.1177/1091581811400636.
[3] J. Bloquet-Maurras, A. Bentaleb, E. Laurichesse, M. Bayard, and V. Schmitt, "Impact of aging on the phase behaviour of cocoa butter and copra oil blends," Food Chem. Adv., vol. 3, no. July, 2023, doi: 10.1016/j.focha.2023.100412.
[4] A. Abollé, L. Kouakou, and H. Planche, "Viscosity of diesel oil and its blends with virgin vegetable oils: Palm oil, coconut cabbage, cotton, peanut, copra and sunflower," Biomass and Bioenergy, vol. 33, no. 9, pp. 1116-1121, 2009, doi: 10.1016/j.biombioe.2008.01.012.
[5] E. Arrebola, Advances in the management of postharvest diseases in fruits. 2015. doi: 10.1201/b18438.
[6] CS Farinas, Solid-State Fermentation for On-site Production of Cellulolytic Enzymes and Their Use in Saccharification of Lignocellulosic Biomass. Elsevier B.V., 2018. doi: 10.1016/b978-0-444-63990-5.00009-8.
[7] X. Chen et al, "Effect of soluble organic matter derived from rice straw on lactic acid fer-mentation by Rhizopus oryzae," J. Biosci. Bioeng, vol. 125, no. 6, pp. 703-709, 2018, doi: 10.1016/j.jbiosc.2018.01.004.
[8] Pretty A Lumbanbatu, "Effect of Em4 Probiotic in Artificial Feed with Different Doses on Growth and Survival of Red Tilapia (Oreochromis Niloticus) in Brackish Water," J. Fak. Fisheries. And Marine. Budid. Aquaculture. Univ. RIAU, pp. 2013-2015, 2018.
[9] N. Ali, A. Agustina, and D. Dahniar, "Feeding of Bran Fermented with EM4 as Broiler Feed," AGROVITAL J. Agricultural Science, vol. 4, no. 1, p. 1, 2019, doi: 10.35329/agrovital.v4i1.298.
[10] N. Suratip, S. Charoenwattanasak, R. Klahan, M. Herault, and B. Yuangsoi, "Investigation of the effect of using protein hydrolysate in low fishmeal diets on growth performance, feed utilisation and health status of cork fish (Channa striata) fry," Aquac. Reports, vol. 30, no. June, pp. 101623, 2023, doi: 10.1016/j.aqrep.2023.101623.
[11] O. Van Hal, H. H. E. Van Zanten, F. Ziegler, J. W. Schrama, K. Kuiper, and I. J. M. De Boer, "The role of fisheries and fish farming in circular food systems in the European Un-ion," Sustain. Prod. Consum. vol. 43, no. May, pp. 113-123, 2023, doi: 10.1016/j.spc.2023.10.017.
[12] A. E. Kholif, O. H. Matloup, E. A. EL-Bltagy, O. A. Olafadehan, S. M. A. Sallam, and H. M. El-Zaiat, "Humic substances in lactating cow diets improve feed utilisation, alter rumen fermentation, and enhance milk production and fatty acid profile: Humic acids in lactating cow diets," Livest. Sci., vol. 253, no. September, pp. 104699, 2021, doi: 10.1016/j.livsci.2021.104699.
[13] K. Phirom-on and J. Apiraksakorn, "Development of cellulose-based prebiotic fibre from banana peel via enzymatic hydrolysis," Food Biosci., vol. 41, no. December 2020, pp. 101083, 2021, doi: 10.1016/j.fbio.2021.101083.
[14] K. F. Chai, N. M. Adzahan, R. Karim, Y. Rukayadi, and H. M. Ghazali, "Fat properties and antinutritional contents of rambutan (Nephelium lappaceum L.) seeds during solid fermentation of rambutan fruit," Food Chem., vol. 274, pp. 808-815, 2019, doi: 10.1016/j.foodchem.2018.09.065.
[15] L. B. H. L. Sesfaot, N. Dahoklory, and Y. Linggi, "Effectiveness of Fermented Rice Bran and Tofu Dregs in Feed on Growth and Survival of Milkfish (Chanos chanos)," J. Voca-tional Fisheries Sciences, vol. 3, no. 2, pp. 134, 2023, doi: 10.35726/jvip.v3i2.6927.
[16] M. Xie et al, "Effects of nuclease-treated Lactobacillus rhamnosus GCC-3 fermentation products on growth, liver health, and gut microbiota of zebrafish (Danio rerio) fed a high-fat diet," vol. 29, no. March, 2023, doi: 10.1016/j.aqrep.2023.101529.
[17] X. Li et al, "Application prospect of replacing fish meal with spray-dried egg meal in crab (Portunus trituberculatus) feed," Aquac. Reports, vol. 32, no. July, pp. 101745, 2023, doi: 10.1016/j.aqrep.2023.101745.
[18] K. Adegbehingbe, "Effect of Fermentation on Nutrient and Anti-nutrient Content of Ground Lima Bean (Phaseolus lunatus) Seeds using Bacillus subtilis and Bacillus pu-milus," Br. Microbiol. Res. J., vol. 4, no. 11, pp. 1285-1298, 2014, doi: 10.9734/bmrj/2014/11511.
[19] N. W. Hsiao et al, "Purification and characterisation of aspartate protease from Rhizopus Oryzae protease extract, peptidase R," Electron. J. Biotechnol. vol. 17, no. 2, pp. 89-94, 2014, doi: 10.1016/j.ejbt.2014.02.002.
[20] A. Kasmiran, "EFFECT OF DURATION OF FERMENTATION OF PADI JERAMIE WITH LOCAL MICROORGANISMS ON DRAY MATERIAL CONTAINMENT, ORGANIC MA-TERIALS, AND ABU," vol. 11, no. 1, pp. 48-52, 2011.
[21] Syahrizal, Safratilofa, and W. Wahyuni, "OPTIMATION OF FOOD QUALITY BY FER-MENTATION USING Effective Microorganisms 4 (EM4) FOR INCREASING PATIN FISH (Pangasianodon hypophtalmus) FISH PRODUCTION," vol. 3, no. August, p. 2018, 2018.
[22] P. H. Telaumbanua, B. V. Telaumbanua, N. K. Lase, J. Dawolo, and R. V. Nazara, "Study on the Utilisation of Seaweed Organic Fertiliser on the Production of Two Spinach Varie-ties (Amaranthus sp.)," Paspalum J. Ilm. Pertan., vol. 11, no. 1, p. 142, 2023, doi: 10.35138/paspalum.v11i1.553.
[23] H. Yanto, A. E. Setiadi, and D. Kurniasih, "EFFECT OF DIFFERENT KARBOHIDRATE LEVELS IN FOOD ON THE GROWTH PERFORMANCE OF TENGADAK FISH (Bar-bonymus schawenfeldii)," J. Ruaya J. Penelit. dan Kaji. Marine Science, vol. 7, no. 2, pp. 39-46, 2019, doi: 10.29406/jr.v7i2.1468.
[24] A. Rosyidah, R. Ediati, I. K. Murwani, S. Shomadany, and S. S. Humaira, "Independent Fish Feed Production in Kalirejo, Gresik Regency, East Java," Sewagati, vol. 8, no. 2, pp. 1500-1511, 2024, doi: 10.12962/j26139960.v8i2.1012.