hydrolysis of
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2023 ◽  
Vol 83 ◽  
Author(s):  
A. Chaudhary ◽  
A. M. Akram ◽  
Qurat-ul-Ain Ahmad ◽  
Z. Hussain ◽  
S. Zahra ◽  
...  

Abstract Today, global focus of research is to explore the solution of energy crisis and environmental pollution. Like other agricultural countries, bulk quantities of watermelon peels (WMP) are disposed-off in environment as waste in Pakistan and appropriate management of this waste is the need of hour to save environment from pollution. The work emphasizes the role of ethanologenic yeasts to utilize significant sugars present in WMP for low-cost bioethanol fermentation. Dilute hydrochloric acid hydrolysis of WMP was carried out on optimized conditions employing RSM (response surface methodology) following central composite design (CCD). This experimental design is based on optimization of ethanologenesis involving some key independent parameters such as WMP hydrolysate and synthetic media ratio (X1), incubation temperature (X2) and incubation temperature (X3) for maximal ethanol yield exploiting standard (Saccharomyces cerevisiae K7) as well as experimental (Metchnikowia cibodasensisY34) yeasts. The results revealed that maximal ethanol yields obtained from S. cerevisiae K7 was 0.36±0.02 g/g of reducing sugars whereas M. cibodasensisY34, yielded 0.40±0.01 g ethanol/g of reducing sugars. The yeast isolate M. cibodasensisY34 appeared as promising ethanologen and embodies prospective potential for fermentative valorization of WMP-to-bioethanol.


2022 ◽  
Vol 8 ◽  
pp. 696-709
Author(s):  
Xiaolin Li ◽  
Yan Shi ◽  
Weiwei Kong ◽  
Jiping Wei ◽  
Wenjun Song ◽  
...  

Author(s):  
Marko Robić ◽  
Mira Ristić ◽  
Stjepko Krehula ◽  
Svetozar Musić

Fuel ◽  
2022 ◽  
Vol 310 ◽  
pp. 122276
Author(s):  
Lei Sun ◽  
Yuanyuan Meng ◽  
Xinxin Kong ◽  
Huiyun Ge ◽  
Xingman Chen ◽  
...  

2022 ◽  
Vol 154 ◽  
pp. 111822
Author(s):  
Caoxing Huang ◽  
Xiao Jiang ◽  
Xiaojun Shen ◽  
Jinguang Hu ◽  
Wei Tang ◽  
...  

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