Composition and nutritional evaluation of <i>Aspergillus oryzae</i> biomass grown on palm oil processing effluents

Barker, T. W.; Drouliscos, N. J.; Worgan, J.T.

doi:10.1002/jsfa.2740321010

Cited by 17 publications

(4 citation statements)

References 14 publications

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“…The average feed conversion of broiler for 5 weeks of the study was 1.70. This result is lower than the results obtained by Ezhieshi and Olomu (2004) with feed conversion of broiler chicken is 1.89-2.33 and Ugwu et al (2008) obtained 2.61-3.46. The no different effect of feed conversion in this study was due to the use of fermentation products which have a better quality of itself (Bakker et al 1981). In the making of fermentation product, the addition of humic acid may increase body weight gain and feed conversion, which was in accordance with a study by Yoruk et al (2004) and Kucukersan et al (2005) Body weight: The levels of PKCF in the diets did not influence (P>0.05) the body weight of broilers.…”

Section: Feed Conversionsupporting

confidence: 91%

The effect of palm kernel cake fermentation with Sclerotium rolfsii by adding humic acid in broiler diets

Mirnawati

Ciptaan

Djulardi

2018

IJAR

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An experiment was conducted to evaluate the effect of palm kernel cake fermentation (PKCF) with Sclerotium roflsii by adding humic acid as broiler diet on the performance of broiler. Two hundred DOC of broiler were used in this experiment and randomly assigned to five treatments (0%, 17%, 22%, 27%, 32% palm kernel cake fermented in diets) in a completely randomized design (CRD) with four replications. The diets were formulated in iso protein 22% and iso caloric 3000 kcal/kg ration. The parameters of this study were feed consumption, body weight gain, feed conversion, body weight, carcass percentage of broiler. The result of this study showed that feed consumption, body weight gained, feed conversion, body weight, carcass percentage were not significantly affected (P>0.05) by any treatment. In conclusion the palm kernel cake fermented (PKCF) by Sclerotium roflsii can be used up to 32% in broiler diets.

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Section: Feed Conversionsupporting

confidence: 91%

The effect of palm kernel cake fermentation with Sclerotium rolfsii by adding humic acid in broiler diets

Mirnawati

Ciptaan

Djulardi

2018

IJAR

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“…. (Barker et al, 1981;Pasaribu et al, 1998;Sinurat et al, 1998;Purwadaria et al, 1999;Bintang et al, 2000).…”

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confidence: 99%

Nilai Ekonomi Pemanfaatan Limbah Kelapa Sawit Menuju Zero Waste Production

Dirgantoro

Adawiyah

2019

biowallacea. jurnal. penelit. biologi. journal. of. biological.

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Abstrak Tulisan ini bertujuan untuk menguraikan nilai ekonomi dengan pemanfaatan limbah kelapa sawit menuju Zero Waste Production. Satu hektar kelapa sawit, setiap tahunnya menghasilkan 25 ton tandan buah segar (TBS) padahal yang menjadi minyak dan inti sawit hanya sekitar 25%, dengan demikian 19 ton dari TBS akan menjadi limbah. Dengan semakin gencarnya isu lingkungan maka diperlukan pemanfaatan dan pengendalian limbah industri kelapa sawit yang ramah lingkungan agar dapat memberikan nilai tambah dan mengurangi biaya yang pada akhirnya memberikan keuntungan bagi berbagai pihak, baik pihak perkebunan, pabrik, masyarakat dan lingkungan. Konsep 3R (Reuse, Recyle dan Recovery) akan mendorong setiap penghasil limbah untuk menjadikan limbahnya memiliki nilai ekonomis dan menguragi biaya. Pemanfaatan limbah kelapa sawit dapat mengurangi biaya produksi listrik, briket arang, bahan baku pulp, pakan ternak, dan menghemat biaya pupuk. Kata kunci : nilai ekonomi, pemanfaatan, limbah, isu lingkungan, konsep 3R (Reuse, Recyle dan Recovery) Abstract This paper aims to outline the economic value of the use of palm oil waste towards Zero Waste Production. One hectare of oil palm, annually produce 25 tonnes of fresh fruit bunches (FFB), whereas the oil and palm kernel only about 25%, so 19 tonnes of FFB would be a waste. With the developed environmental issues will require the use and control of industrial waste environmentally friendly palm oil in order to provide added value and reduce costs, which in turn provide benefits to various parties, both the plantations, factories, communities and the environment. The concept of 3R (Reuse, Recycle and Recovery) will encourage each waste generator to make the waste has economic value and reduces costs. Utilization of oil palm waste can reduce the production cost of electricity, charcoal, pulp raw materials, animal feed, and saves the cost of fertilizer. Keywords: economic value, utilization, waste, environmental issues, the concept of 3R (Reuse, Recycle and Recovery)

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“…In this last respect, the results obtained with diverse microfungi, principally Aspergillus oryzae, whose biomass is also suitable for the formulation of fodder (Barker et al, 1981), are clearly superior to those of yeast. Although in both microorganisms, and with a very similar inhibition constant, glucoamylase is inhibited by glucose, various factors seem to favour A. oryzae: (a) the high a-amylase/glucoamylase proportion in the microfungus enzymatic system, (b) the capacity (although very moderate) of the yeast enzymatic system to promote the inverse reaction of hydrolysis and (c) despite previous divergent results in this respect, the repression by glucose (non reversible with cyclic AMP) of glucoamylase synthesis in the yeast.…”

Section: Discussionmentioning

confidence: 99%

Depuration and valuation of mussel-processing wastes. Characterization of amylolytic postincubates from different species grown on an effluent

González

González-Siso

Murado

et al. 1992

Bioresource Technology

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Mussel-processing wastes, which contain glycogen (≈ 10 g/litre) as their main component, can be used as a culture medium for several species of amylolytic yeasts and microfungi useful as single cell protein (SCP) sources. In addition, cell-free media from these cultures (with COD reduced to ≈ 10% of its initial value) could, in principle, be used for the hydrolysis of greater volumes of the same effluent, which could then be concentrated, converting it into a more versatile microbial substrate. With this objective in mind, the optimal reaction conditions, stability and kinetics of postincubates from several amylolytic species with distinct growth features when cultured on the effluent, were examined. Some of the mechanisms involved in the regulation of amylolytic activity are also discussed, as well as some of the methodological problems often associated with this kind of study.

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Composition and nutritional evaluation of Aspergillus oryzae biomass grown on palm oil processing effluents

Cited by 17 publications

References 14 publications

The effect of palm kernel cake fermentation with Sclerotium rolfsii by adding humic acid in broiler diets

The effect of palm kernel cake fermentation with Sclerotium rolfsii by adding humic acid in broiler diets

Nilai Ekonomi Pemanfaatan Limbah Kelapa Sawit Menuju Zero Waste Production

Depuration and valuation of mussel-processing wastes. Characterization of amylolytic postincubates from different species grown on an effluent

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