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<p>This study investigated the effects of manual whole cane and mechanical billet harvesting methods and post-harvest storage duration (0–10&#xa0;days) on sugarcane deterioration indicators in cultivar Co86032 under tropical conditions during the late milling season. Cane weight loss, juice quality parameters (pH, titratable acidity, brix%, sucrose%, purity, and commercial cane sugar% (CCS)), enzyme activities (invertase and dextransucrase), microbial counts, and deterioration products (reducing sugars and dextran) were assessed. The results showed a significant decline in cane weight, sucrose %, purity, CCS%, and pH, along with increases in total soluble solids, titratable acidity, enzyme activities, microbial counts, and deterioration products over the 10-day storage period for both harvesting methods. However, deterioration was more rapid and severe in the billets than in the whole cane. Storage duration had a greater impact on deterioration than harvesting methods. Significant interactions were observed between harvesting method and storage duration for most parameters. This study provides insights into post-harvest deterioration patterns in mechanically harvested billets compared to whole cane under tropical conditions. These findings highlight the need to minimize delays between harvesting and milling, especially for billeted cane, to reduce sucrose losses and maintain juice quality during the late-milling season. The results have practical implications for improving cane supply management and sugar recovery in the sugar industry in tropical sugarcane production systems in India.</p>

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Post-Harvest Deterioration in Sugarcane Juice Quality and Sucrose Under Different Harvesting Methods and Storage Duration in the Tropical Conditions

  • 期刊论文

  • 发表日期：

    2026年2月12日

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  • Dnyaneshwar N. Borase,
  • Yogesh E. Thorat,
  • Bharat M. Bhalerao,
  • Rajeev Kumar,
  • Rajesh U. Modi,
  • Dinesh Singh,
  • Arjun Singh,
  • Santosh G. Watpade,
  • Prashant P. Patil,
  • Dinesh Singh

摘要

This study investigated the effects of manual whole cane and mechanical billet harvesting methods and post-harvest storage duration (0–10 days) on sugarcane deterioration indicators in cultivar Co86032 under tropical conditions during the late milling season. Cane weight loss, juice quality parameters (pH, titratable acidity, brix%, sucrose%, purity, and commercial cane sugar% (CCS)), enzyme activities (invertase and dextransucrase), microbial counts, and deterioration products (reducing sugars and dextran) were assessed. The results showed a significant decline in cane weight, sucrose %, purity, CCS%, and pH, along with increases in total soluble solids, titratable acidity, enzyme activities, microbial counts, and deterioration products over the 10-day storage period for both harvesting methods. However, deterioration was more rapid and severe in the billets than in the whole cane. Storage duration had a greater impact on deterioration than harvesting methods. Significant interactions were observed between harvesting method and storage duration for most parameters. This study provides insights into post-harvest deterioration patterns in mechanically harvested billets compared to whole cane under tropical conditions. These findings highlight the need to minimize delays between harvesting and milling, especially for billeted cane, to reduce sucrose losses and maintain juice quality during the late-milling season. The results have practical implications for improving cane supply management and sugar recovery in the sugar industry in tropical sugarcane production systems in India.