Study of Suitable Conditions of Sweet Corn Pulp Syrup Production
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Abstract
Sweet corn pulp, a byproduct of corn milk production, is often disposed of at low prices, resulting in economic inefficiency. This study aimed to explore the potential for value addition through syrup production from sweet corn pulp. The research investigated syrup production conditions using alpha-amylase at concentrations of 0.05%, 0.10%, 0.15%, and 0.20%, with reaction times of 30 and 60 minutes. Results indicated that increasing alpha-amylase concentration and reaction time enhanced the total color change (DE), density, and total soluble solids of the syrup. Conversely, moisture content and water activity decreased, while pH remained statistically unchanged. Syrup produced using 0.20% alpha-amylase for 60 minutes exhibited significantly higher total color change values, total soluble solids, and density compared to syrups produced with lower alpha-amylase concentrations (p≤0.05). Notably, reaction times did not significantly affect transmittance values and syrup density at the same alpha-amylase concentration (p>0.05). The application of 0.05-0.15% alpha-amylase for syrup production yielded approximately 33.75±1.75% to 35.33±0.58% (p>0.05). Syrup produced with 0.10% alpha-amylase demonstrated the highest reducing sugar content of 82.38±2.9 g/L (p≤0.05). Therefore, the optimal conditions for sweet corn pulp syrup production were determined to be 0.10 alpha-amylase concentration with a 30-minute reaction time, resulting in the highest yield and reducing sugar content (p≤0.05).
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บทความ ข้อมูล เนื้อหา รูปภาพ ฯลฯ ที่ได้รับการเผยแพร่ในวารสารวิทยาศาสตร์และเทคโนโลยี มรย. นี้ ถือเป็นลิขสิทธิ์ของวารสารวิทยาศาสตร์และเทคโนโลยี มรย. หากบุคคลหรือหน่วยงานใดต้องการนำทั้งหมดหรือส่วนหนึ่งส่วนใดไปเผยแพร่ต่อหรือกระทำการใดๆ จะต้องได้รับอนุญาตเป็นลายลักษณ์อักษรจากวารสารวิทยาศาสตร์และเทคโนโลยี มรย. ก่อนเท่านั้น
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