A method for producing arabitol may include providing a fermentation culture having a microorganism and a carbon source; allowing the microorganism to ferment the carbon source; monitoring a process condition of said step of allowing the microorganism to ferment the carbon source; and collecting a product from the fermentation culture after said step of monitoring a process condition indicates that a predetermined change in the process condition has occurred. Other methods may include steps of providing soybean-based lignocellulosic hydrolysate as a carbon source for a fermentation culture, and modifying the pH of one or more of the growth phase and the stationary phase of a fermentation process.
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