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首页> 外文期刊>African Journal of Biotechnology >Agro-industrial potential of sweet sorghum accessions grown under semi-arid conditions
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Agro-industrial potential of sweet sorghum accessions grown under semi-arid conditions

机译：半干旱条件下甜高粱加入的农业工业潜力

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The current world-wide interest in alternative and sustainable forms of energy is providing an opportunity for carving new pathways of development in many countries. Plants are particularly attractive vehicles in this regard because of their innate capacity to self-renew and to produce chemical forms of energy every time. Carbohydrates and oils as primary products from plants are attractive raw materials for the production of alternative forms of energy such as bioethanol and biodiesel. Against this background, this study was undertaken to assess the potential of sweet sorghum as a feedstock for bioethanol production. To this end, a comparative analysis of non-structural carbohydrate amounts in mature stems of several local accessions of sweet sorghum was carried out. For comparison, the same products were also determined in mature stems of sugarcane. Sucrose was the predominant sugar in the mature stems of sweet sorghum as was the case with sugarcane. However, the overall carbohydrate profiles of sweet sorghum were markedly different from those of sugarcane. Mature stems of sweet sorghum contain more readily fermentable sugars than mature sugarcane stems. In addition, sweet sorghum also accumulates starch in the stems as well as in the seeds. Through hydrolysis, this serves as an additional source of glucose for fermentation into ethanol. These data clearly demonstrate the renewable energy resource potential of sweet sorghum. Nonetheless, further studies on the basic biology of carbohydrate partitioning in sweet sorghum are warranted. Such studies could provide rational basis for improvement of wet-fermentation substrate yield of this crop.
机译：目前全世界对替代和可持续能源形式的兴趣正在为许多国家的发展途径提供机会。植物在这方面是特别有吸引力的车辆，因为它们对自我更新的天生能力并每次生产化学品形式的能量。碳水化合物和油作为来自植物的主要产品是有吸引力的原料，用于生产替代形式的能量，如生物乙醇和生物柴油。在此背景下，本研究旨在评估甜高粱作为生物乙醇生产原料的潜力。为此，进行了几种氨高粱局部涂布茎成熟茎的非结构碳水化合物的比较分析。为了比较，同样的产物也在成熟的甘蔗中测定。蔗糖是甜高粱成熟茎中的主要糖，如甘蔗的情况。然而，甜高粱的总碳水化合物谱明显不同于甘蔗。甜高粱的成熟茎含有比成熟的甘蔗茎更容易发酵的糖。此外，甜心高粱还会在茎中的淀粉以及种子中积累淀粉。通过水解，这用作葡萄糖的额外来源，用于发酵成乙醇。这些数据清楚地证明了甜高粱的可再生能源资源潜力。尽管如此，有必要进一步研究甜高粱碳水化合物分配基本生物学的研究。这些研究可以为改善这种作物的湿发酵底物产量提供合理的基础。

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