بازیافت ضایعات پرتقال برای تولید پروتئین تک سلولی و اثرات سینرژیک بر کیفیت تولید
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بازیافت ضایعات پرتقال برای تولید پروتئین تک سلولی و اثرات سینرژیک بر کیفیت تولید

عنوان فارسی مقاله: بازیافت ضایعات پرتقال برای تولید پروتئین تک سلولی و اثرات سینرژیک و آنتاگونیستی بر کیفیت تولید
عنوان انگلیسی مقاله: Recycling of orange waste for single cell protein production and the synergistic and antagonistic effects on production quality
مجله/کنفرانس: مجله تولید پاک - Journal of Cleaner Production
رشته های تحصیلی مرتبط: محیط زیست
گرایش های تحصیلی مرتبط: بازیافت و مدیریت پسماند، آلودگی های محیط زیست
کلمات کلیدی فارسی: بازیافتضایعات پرتقال، پروتئین تک سلولی، هم افزایی، رقابت امیز، تخمیر در مقیاس وسیع، تجزیه و تحلیل اقتصادی
کلمات کلیدی انگلیسی: Orange waste recycling، Single cell protein، Synergistic، Antagonistic، Large-scale fermentation، Economic analysis
نوع نگارش مقاله: مقاله پژوهشی (Research Article)
نمایه: Scopus - Master Journals List - JCR
شناسه دیجیتال (DOI): https://doi.org/10.1016/j.jclepro.2018.12.168
دانشگاه: Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environments of MOE, Chongqing University, Chongqing, 400045, China
ناشر: الزویر - Elsevier
نوع ارائه مقاله: ژورنال
نوع مقاله: ISI
سال انتشار مقاله: 2019
ایمپکت فاکتور: 7/096 در سال 2018
شاخص H_index: 150 در سال 2019
شاخص SJR: 1/620 در سال 2018
شناسه ISSN: 0959-6526
شاخص Quartile (چارک): Q1 در سال 2018
فرمت مقاله انگلیسی: PDF
تعداد صفحات مقاله انگلیسی: 9
وضعیت ترجمه: ترجمه نشده است
قیمت مقاله انگلیسی: رایگان
آیا این مقاله بیس است: خیر
کد محصول: E11335
فهرست انگلیسی مطالب

Abstract


1- Introduction


2- Materials and methods


3- Results and discussion


4- Conclusion


References

نمونه متن انگلیسی مقاله

Abstract


The daily output of orange residue from the orange juice production enterprise in the Three Gorges Reservoir Area (TGRA) of China is approximately 100 t/d, which seriously pollutes the environment of the TGRA. The key challenge of handling this waste is maximizing profitability. In this study, high-protein feed with low levels of crude fiber and pectin was produced by solid fermentation of orange waste. The synergistic and antagonistic effects of microorganisms on one another significantly influenced the quality of single cell protein (SCP) feed. The added true protein (ATP) content increased gradually as pectin degradation (PD) and crude fiber degradation (CFD) were enhanced because of the synergistic effects. However, ATP decreased because of antagonistic effects as PD and CFD were increased beyond certain values. Aspergillus oryzae (A. oryzae) and Trichoderma koningii (T. koningii) mutually promoted each other, but the growth of Candida tropicalis was inhibited by A. oryzae and T. koningii as polygalacturonase and carboxymethyl cellulase accumulated. Synergistic and antagonistic effects existed simultaneously during microorganic fermentation of orange wastes. In large-scale fermentation, ATP, PD, and CFD were increased by 14.20%, 15.80%, and 9.15%, respectively, in comparison with the flask test. The profit achieved by reusing orange waste in the Chongshou Agricultural Park as SCP feed was calculated to be 48500 USD per year, whereas the cost of disposing of the orange waste was 7560 USD. This study provides insight into how microorganic synergistic and antagonistic effects influence the quality of SCP feed and provides a potential route for recycling agricultural waste into valuable materials.


Introduction


China is the foremost orange producer in the world. In 2014, the orange planting area of China was 2.211  1010 m2 , and the annual output was 2.75  1010 kg (Shan, 2014). Oranges are consumed worldwide in the forms of pulp, peel and juice. Approximately 8  109 -2  1010 kg of solid and liquid residue is produced as waste during orange processing every year (Tripodo et al., 2004; Rezzadori et al., 2012). In most instances, this enormous amount of waste is scattered on soil in areas adjacent to the production facility, incinerated, placed in a land fill, or used as raw material for animal feed production (Martín et al., 2010; Patsalou et al., 2017). However, incineration of orange waste was found to lead to highly polluted surface and ground water with altered chemical oxygen demand and biological oxygen demand, as well as polluted soil (Rezzadori et al., 2012; Braddock, 1995). The term SCP refers to dead, dry cells of microorganisms such as yeast, bacteria, fungi and algae, which are utilized as a protein supplement in foods for humans or animal feed (Ofodile et al., 2011; Mahmood, 2012). SCP is made up of carbohydrates, fats, vitamins, minerals, and other cellular constituents (Mondal et al., 2012), and it can be produced from relatively inexpensive material or waste material (Santamaría-Fernandez et al., 2017).

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