A study on using coffee grounds as the material for oil extraction and lingzhi mushroom growing

Authors

  • Chu Thi Bich Phuong Ho Chi Minh city University of Technology
  • Nguyen Thi Trung Uyen Ho Chi Minh city University of Technology
  • Huynh Phuong Thanh Ho Chi Minh city University of Technology
  • Pham Van Loc Ho Chi Minh city University of Food Industry
  • Bui Van The Vinh Ho Chi Minh city University of Technology
  • Nguyen Cong Hao Ho Chi Minh city University of Technology

DOI:

https://doi.org/10.15625/0866-7160/v34n3se.1774

Keywords:

Coffee grounds, oil, lingzhi mushrooms, oil extraction, substract

Abstract

The coffee grounds from consumers and industrial productions at Vinacafe Bien Hoa Joint Stock Company were used as the material for oil extraction and lingzhi mushroom growing. The results showed that the coffee grounds had average oil content approximately19.1- 21.1%. Coffee oil contains many kinds of fatty acids with different carbon chain length from C6 to C24. Of those fatty acids, palmitic acid (C16:0), oleic acid (C18:1) and linoleic acid (C18:2) were present in large content. Lingzhi mushrooms showed the capability of firmly spreading their fine threads on the substrate of spent coffee grounds, which was illustrated by color, length and depth of the threads. The speed of shaping and growing of lingzhi mushroom spores on the substrate of spent coffee grounds was faster than on the control substrate in laboratory conditions. Moreover, no sample of lingzhi mushroom spore contained caffeine.

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Published

05-08-2012

How to Cite

Bich Phuong, C. T., Trung Uyen, N. T., Thanh, H. P., Loc, P. V., The Vinh, B. V., & Hao, N. C. (2012). A study on using coffee grounds as the material for oil extraction and lingzhi mushroom growing. Academia Journal of Biology, 34(3se), 69–77. https://doi.org/10.15625/0866-7160/v34n3se.1774

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