Improving the Nutrient Quality of Durian (Durio zibethinus) Fruit Waste Through Fermentation by Using Phanerochaete chrysosporium
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International Journal of Poultry Science 14 (6): 354-358, 2015 ISSN 1682-8356 © Asian Network for Scientific Information, 2015 Improving the Nutrient Quality of Durian (Durio zibethinus) Fruit Waste Through Fermentation by Using Phanerochaete chrysosporium and Neurospora crassa for Poultry Diet Nuraini, Ade Djulardi and Maria Endo Mahata Faculty of Animal Science, University of Andalas, Padang, West Sumatra, Indonesia Abstract: Durian fruit waste (peel and seed) can be used as an alternative feed based on the potential availability and nutrient content. Three experiments were conducted to improve the nutrient quality of durian fruit waste (DW) and tofu waste (TW) mixture through fermentation by using Phanerochaete chrysosporium and Neurospora crassa. The substrates consists of 70% DW (peel and seed in the same proportion) and 30% TW. Experiment 1 was performed in a 3 x 3 factorial experiment of completely randomized design with 3 replicates. First factor was inoculum composition of P. chrysosporium and N. crassa (1: 1, 2: 1 and 1: 2) and second factor was inoculums doses (6, 8 and 10%). Measured variables were Crude Fiber (CF) and Crude Protein (CP). Experiment 2 was to study incubation period (7, 9, 11 and 13 days). Measured variables were DTW’s CF, CP, cellulose, hemi-cellulose and lignin. Experiment 3 was to compare nutrient content between fermented (the best treatment at experiment 2) vs. unfermented one. Measured variables were DTW’s nitrogen retention, amino acid profile, B carotene, tannin and Metabolizable Energy (ME). Result of the experiment 1, there was a very significant (p
Int. J. Poult. Sci., 14 (6): 354-358, 2015 chrysosporium is a microorganism capable of degrading The success of a solid media fermentation depends on the lignocellulose selectively by firstly degrading the optimum conditions such as substrate composition, lignin component followed by cellulose component. inoculum dose and incubation period that affect the The crude protein of cacao shell inoculated with P. nutrients content of fermentation product (Nuraini et al., chrysosporium and incubated for 15 days increased 2009). The most important thing that should be present from 8.57 to 11.52%, with decreased crude fiber from in the fermentation medium is a source of carbon, 44.21 to 29.94% and increase ash content from 6.79 to nitrogen and other essential elements in the number 7.12% (Nelson and Suparjo, 2011). The increased and the appropriate balance (Carlile and Watkinson, protein content was due to bioconversion of organic 1995). materials that had been broken down into one of the Comparison of the composition of the inoculum, the fungi body components. Secondary metabolite inoculum dose and fermentation period using two secretions such as extracellular enzymes by the fungi kinds of fungus Phanerochaeta chrysosporium and also contributed to the increased protein content of Neurospora crassa to improve the nutrition quality of the treated corn stover. durian waste fermentation product are remain unknown. According to Fadillah et al. (2008) found that the lignin content of corn stalks reduced 81.40% and cellulose MATERIALS AND METHODS content decreased by 43.03% through fermentation by The main objective of this experiment was to study the using Phanerochaete chrysosporium with 7% inoculum improvement of the nutrient quality of durian and tofu dose and fermentation time of 14 days. According to wastes mixture through fermentation by using Nuraini et al. (2013) substrate composition 80% cacao Phanerochaete chrysosporium and Neurospora crassa. pulp and 20% tofu waste fermented by Phanerochaeta The specific objectives were: to determine the effects of chrysosporium increased crude protein 33.79% and Phanerochaete chrysosporium and Neurospora crassa decreased crude fiber 33.02% with 10% inoculum dose composition, inoculums doses and incubation period on and 8 days incubation. Nuraini et al. (2013) reported nutrient quality of durian and tofu wastes mixture. coffee fruit peel 80 and 20% tofu waste mixture fermented by Phanerochaeta chrysosporium with 7% Experiment 1: The experiment 1 was designed in a 3 x inoculum dose and fermentation time of 10 days 3 factorial experiment in a completely randomized decreased crude fiber 43.89% and increased crude design with 3 replication per treatment. The first factor protein. Fermentation was also carried out with was the composition of Phanerochaete chrysosporium Neurospora crassa to produce beta-carotene high feed. and Neurospora crassa (1:1, 2:1 and 1:2) and the Neurospora crassa was carotenogenic fungi that second factor was inoculums doses of Phanerochaete produced the highest of beta-carotene (270.60 Ug/g) chrysosporium and Neurospora crassa (6, 8 and 10%). isolated from corn cobs. Besides, Neurospora crassa In the experiment 1: 100 g substrate contain of 70% produced amylase, cellulose and protease enzyme and durian waste (peel and seed in the same proportion) the enzymes activity were 17.21, 0.33 and 15.06 U/g, and 30% tofu waste mixture per experimental unit was respectively (Nuraini, 2006). According to Nuraini et al. treated with Phanerochaete chrysosporium and (2009) reported that the mixture of 80% cassava pulp Neurospora crassa (1:1, 2:1 and 1:2) and the inoculum and 20% tofu waste fermented by using Neurospora doses (6, 8 and 10%). There were 27 samples or crassa with inoculum dose of 9%, for 7-day fermentation experimental units in this experiment. Measured with thickness 2 cm increased crude protein 83.84%, variables in this experiment were crude fiber (CF) and decreased crude fiber 13.88% and the content of other crude protein (CP). nutrients are 2.25% fat, 0.22% calcium, 0.02% phosphor, 52.25% NFE and beta-carotene 295.16 mg/g. Experiment 2: This experiment was designed in a Fermentation using two fungi Phanerochaete chrysos- completely randomized design (CRD) with 4 treatment porium and Neurospora crassa to reduce the content of (the incubation period 7, 9, 11 and 13 days) and 5 crude fiber and to obtain beta-carotene has been done replication. The best composition of Phanerochaete Nuraini et al. (2013) reported that 80% banana peel and chrysosporium and Neurospora crassa and inoculum 20% tofu waste fermentation by using Phanerochaete dose at experiment 1, used at experiment 2. Measured chrysosporium and Neurospora crassa 2:1, with 7% variables were crude fiber, crude protein content and inoculum and fermentation time of 10 days could fiber profile (NDF, ADF, cellulose, hemicellulose and reduced 48.11% crude fiber (reduced cellulose and lignin) of durian and tofu wastes mixture. There were 20 lignin as much as 45.01 and 53.82%, respectively) and samples of experimental units in this experiment. All of increase crude protein and hemicellulose as much as the data were statistically analyzed by analysis of 33.73 and 57.58%, respectively and increase the variance of a factorial experiment in a completely digestibility of crude fiber as much as 32.73% and randomized design (experiment 1) and a completely gained 66.83% nitrogen retention. randomized design (experiment 2). The difference 355
Int. J. Poult. Sci., 14 (6): 354-358, 2015 among treatments was determined by DMRT procedure Table 1: Effect of Phanerochaete chrysosporium and Neurospora crassa composition and inoculum dose on crude protein according to Steel and Torrie (1980). Treatments B1(6%) B2(8%) B3(10%) Averages Analyses of crude fiber and crude protein were A1(1:1) 18.11Ba 19.92Aa 19.85Aa 19.29 performed according to the proximate analysis A2(2:1) 18.14Ba 19.54Aa 19.64Aa 19.11 procedures (AOAC, 2000), while NDF, ADF, cellulose, A3(1:2) 16.94Bb 17.41Ab 17.58Ab 17.31 hemicellulose and lignin contents were determined Averages 17.73 18.96 19.02 according to Goering and Van Soest (1970). Table 2: Effect of Phanerochaete chrysosporium and Neurospora crassa composition and inoculum dose on crude fiber Experiment 3: The experiment was to compare nitrogen Treatments B1(6) B2(8) B3(10) Averages retention, beta carotene, tannin, amino acid profile and A1(1:1) 12.12Aa 11.51ABab 11.04Bab 11.56 metabolizable energy between fermented and non- A2(2:1) 11.48Ab 10.49Bb 10.13Bb 10.70 A3(1:2) 14.79Ab 14.24Aa 14.10Aa 14.38 fermented durian and tofu wastes mixture numerically. Averages 12.80 12.08 11.76 The fermented sample was obtained from the best of fermented durian and tofu wastes mixture in the NDF, ADF, lignin, cellulose and crude protein content of experiment 2. durian and tofu wastes mixture is shown in Table 3. Amino acids, tannin and beta carotene contents of the The crude fiber content of durio and tofu wastes mixture durian and tofu wastes mixture were performed by using was a very significant affected (p
Int. J. Poult. Sci., 14 (6): 354-358, 2015 Table 3: Effect of Phanerochaete chrysosporium and Neurospora crassa incubation period on crude fiber, NDF, ADF, lignin, cellulose and crude protein Incubation period (day) L1(7) L2(9) L3(11) L4(13) CF 10.60±0.62A 8.30±0.50B 8.75±0.72B 9.27±0.59AB CP 18.06±0.99AB 19.37±0.87A 18.17±0.82AB 18.08±0.93AB NDF 32.11±0.42A 30.58±0.32B 31.98±0.45AB 31.58±0.34AB ADF 25.20±0.83A 20.26±0.70B 21.26±0.73B 22.26±0.65AB Lignin 13.33±0.62A 6.20±0.52B 6.26±0.55B 7.26±0.62B Cellulose 14.26±0.72A 11.58±0.79B 11.98±0.82B 12.26±0.80B Hemicellulose 6.96±0.62B 10.20±0.52B 10.01±0.55A 8.26±0.52AB Values bearing different superscripts in a row differ significantly, p
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