Fermentation efficiencies of fresh juice, autoclaved juice, and concentrated juice with 20% sugar were higher than 93% in the laboratory shake flask batch process. At the end of the fermentation process, the sweet sorghum juice yielded more ethanol with higher ethanol concentration compared to … Sorghums, however, are a special kind of crop and quickly drew the attention of farmers and breeders all over the world. When grown after cotton (loam 2007) or soybean (loam 2008), the N fertilization did not improve the juice yield (P ≥ 0.29). Sweet sorghum thrives better under drier and warmer conditions than many other crops and is grown primarily for forage, silage, and syrup production. It is actually a type of grass not unlike corn. The juice is cleansed of impurities and concentrated by evaporation in open pans into a clear, amber colored, mild flavored syrup. 2 Experimental 2.1 Materials and chemicals Four different sweet sorghum cultivars, USA 1, USA 2, Honey green and Sugar Graze, were harvested at 3 and 6 months from the Agricol Research Company in Potchefstroom. Juice concentrations at 100%, 75%, 50%, and 25% led to different biomass, lipid, and docosahexaenoic acid (DHA) production by … Also, they reported that mannose, galactose and arabinose were not detected in sweet sorghum juice. Sweet sorghum juice supplemented with 0.5% ammonium sulphate was used as a substrate for ethanol production by Saccharomyces cerevisiae TISTR 5048. was planted April 1, May 1, and June 1 and was harvested in the flower, milk, dough, and ripe stages of maturity. “We have been handling sweet sorghum and boiling it down as a sugar for more than 200 years,” Heckemeyer said. different sweet sorghum cultivars for biomass yield and juice quality in the temperate zone. … It is one of the many types of cultivated sorghum and is characterized by high sugar content in juice of stem. Thick, juicy stalks make for mighty fine sorghum syrup once squeezed and boiled down over a wood fire. 2 Introduction Bioethanol, a form of renewable energy can be produced from agricultural feedstocks such as sugar cane, sorghum, potato, manioc, and maize. The term “sorghum molasses” is a collo-quial expression incorrectly applied to sorghum syrup. Sweet sorghum is a grass of Old World origin. Sweet sorghum is a grass of Old World origin. Disease can alter sorghum juice, reducing the desirability of syrup and contributing to lodging. Sweet sorghum juice, obtained from low water consuming, drought resistant, short duration and seed-propagated sweet sorghum crop, was explored as a source to obtain syrup which can be used as sugar alternative for meeting certain requirements of the beverage industry. When working with any food product that is to be sold to the public, make sure you follow all state and county requirements. To combat that you can freeze the juice if not using right away. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. Some features of the site may not work correctly. The total sugar content of the juices extracted from the different cultivars used in this study at different harvesting times is presented in Table 1. There's enough juice in an acre of sweet sorghum to make 400 to 800 gallons of ethanol. The chemical composition of stalk juice of genotypes RSSV 9 and CSH 22SS of sweet sorghum and production of ethanol by fermentation in shake flasks and laboratory fermenter were determined. Sweet sorghum is made from 100 percent pure, natural juice extracted from sorghum (Sorghum bicolor (L.) Moench) cane. Sweet sorghum is an ideal feedstock for fuel ethanol production in the Southeast and Midwest. The syrup retains all of its natural sugars and other nutrients. overall quality of your sweet sorghum syrup, pay close attention to the cookoff process. Besides disease resistance, other selected traits include high brix (very few report stem sugar), low purity juicy stalks, high yields, stalk erectness, and good quality syrup. It is difficult to measure the juice Sugar content in the process of production. Ethanol, sweet sorghum, fermentation, sugar and ethanol profile, kinetics. Keywords. A significant interaction was also found between the effect of the year and N on the juice yield (P < 0.0001). On the other hand, high fermentable sugar content in sweet sorghum stalk makes it to be more suitable for fermentation to ethanol. In general, loam and sandy loam soils are best for the growth of sweet sorghum for syrup production. Copyright © 2021 Elsevier B.V. or its licensors or contributors. Sorghum actually looks like a small variety of corn when growing. Arkusz informacyjny ; Arkusz informacyjny ; Informacje na temat projektu . Harvesting the Crop The last step in producing the crop and the first step in obtaining high quality sorghum syrup is harvesting the crop at the proper stage of maturity. Sweet sorghum juice is known to contain different amount of sugars depending on the type of cultivar (Prasad et al. Better and faster floc precipitation is further aided by HMW polyanionic acrylamide flocculants which agglomerate particles and add weight. Abstract. Also, sugarcane is not a salt tolerant plant. Fermentation of concentrated juices with 25% and 30% sugars were not complete. sugars in sweet sorghum juice are beneficial to the rate of alcohol production. . Sorghum syrup and hot biscuits are a traditional breakfast in the Southern United States. “It was a standard sugar back before World War II. The objective of this study was to assess the agronomic performance and juice yield of five sweet sorghum cultivars (Keller, Della, Dale, M81E and Sugar Drip) as potential sources of biomass and grain for ethanol production. and Rutto, L.K. Sweet sorghum (SS) syrup is a high antioxidant food material produced by concentrating its sugary juice. Fermentation Sweet sorghum stalk processing for ethanol production Fermentation is a multidisciplinary process based on Juice extraction the chemistry, biochemistry and microbiology of the raw materials. “We have been handling sweet sorghum and boiling it down as a sugar for more than 200 years,” Heckemeyer said. a high percentage of extractable juice, (4) contain juice with a high total soluble solids (Brix) content, mostly sugars, (5) ... sweet sorghum, but a soil that has good physical character-istics and good fertility produces the best yield. Sweet sorghum juice extraction, sterilisation and concentration. Just be sure to ask for molasses — not silage — sorghum. Introduction Throughout the world, there is increasing attention to bio-based renewables as How to cite this paper: Kering, M.K., Temu, V.W. Sweet sorghum also possesses high photosynthetic efficiency and high biomass yield, so it has become more attractive in agricultural production. By the 1950s, about 90% of the acreage of sweet sorghums in the United States was grown for forage. First, sweet sorghum juice is expected to contain a complex mixture of polyphenols, rather than a single chemical structure such as quercetin. Nonetheless, the main component of sweet sorghum juice indicated that it is a desirable and cheap carbon resource for the fermentative production of LA. There are also some ammonia acids and minerals in the juice which allows the sweet sorghum juice to be used for other purposes. of sweet sorghum juice harvested from different cultivars were investigated with regard to pH, yeast concentration, nitrogen source and dilution rate. The sugar is composed mainly of saccharose (70-80 %), fructose and glucose, similar to sugar beet. No significant changes in pH value, sugar contents, and sugar profiles were observed in juices stored in a refrigerator. This study showed that as much as 20% of the fermentable sugars can be lost in 3 days at room temperature because of activities of contaminating bacteria, which lead to significant increases in bacterial count and decreases in pH values. Sweet sorghum is any of the many varieties of the sorghum grass whose stalks have a high sugar content. Sorghum belongs to C4 crop with high photosynthetic efficiency and high productivity. Arkusz informacyjny. Sucrose was found to be higher in RSSV 9 (152.20 g/l) as compared to CSH 22SS (106.56 g/l). Sorghum syrup, made by essentially evaporating the water from extracted juice from sweet sorghum stalks, is nothing new to the United States. Sweet sorghum is genuinely fit for growing in dryland conditions, as it only requires one-seventh of the irrigation water used by sugarcane. Sorghum-makers press sweet, green juice from the sorghum canes and cook the juice down into a finished syrup. Data rozpoczęcia 1 Lutego 1990. 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