This research was conducted to enhance the value of low quality sweet persimmon by processing paste by combining low quality sweet persimmon and red-bean. In order to make sweet persimmon paste containing red-bean, the following procedures were executed : 1) the sweet persimmon was cleaned by water 2) the fruit stalk was removed 3) it was peeled, sliced, pitted and crushed 4) steamed and peeled red-bean paste was mixed 5) sweetening materials(starch syrup, sugar and dextrin) and salt were mixed 6) boiled and stored in refrigerator. Sweet persimmon was peeled, stem and seed was removed to make the paste. When mixing sweet persimmon paste and red-bean paste in the ratio of 6 : 4, sensory point of taste and overall desirability were higher than mixing in 5 : 5 and 4 : 6 but texture was lower. The sweet persimmon paste containing red-bean was softened and the sugar content was increased from 41.4$^{\circ}$Brix to 53.1$^{\circ}$Brix when 10% dextrin was added. The overall sensory evaluation was higher in sweet persimmon paste containing red-bean than commercial red-bean paste when 10% dextrin was added. The overall desirability also shown a significant difference between them. Even though findings were statistically insignificant, sweet persimmon powder with red-bean paste increased in texture and overall desirability compared with commercial red-beans paste. Sweet persimmon powder paste containing red-bean significantly decreased in flavor, color, taste and overall desirability compared with sweet persimmon paste containing red-bean. As a result of this study, the best combination for the quantity of sub-materials to make sweet persimmon paste was 600g of sweet persimmon, 400g of red-bean, starch syrup 120g, sugar 60g, salt 4g and dextrin 100g.
The present study was performed to develop healthier sweeteners for brown rice Dasik with chia seed powder. The quality features and sensory evaluation were tested for brown rice Dasik with chia seed powder added with five different sweeteners and the results are as follows. The Dasik (DS) with isomalto-oligosaccharide and starch syrup received the highest scores on moisture content tests. The results from hardness tests identified the DS with agave syrup as the hardest, and the results from the adhesiveness test verified that the DS with agave syrup as well as the DS with starch syrup produce the most adhesive DS. The results of the springiness test show that the DS with starch syrup has higher springiness than other sweetners. The highest score for the chewiness and cohesiveness tests was the DS with starch syrup, while the DS with isomalto-oligosaccharide received the highest score on the gumminess test. The results of the chromaticity measurement test found that the DS with starch syrup showed the highest score of 'L' and the lowest score with fructo-oligosaccharide. In addition, the highest score of 'a' was DS with isomalto-oligosaccharide and the lowest score of 'b' was the DS with starch syrup. The results of sugar content displayed that the DS with starch syrup was the highest and the DS with fructo-oligosaccharide was the lowest score. The results of sensory evaluation verified that color did not influence evaluators' preference investigation. The results of sweet flavor test found that the DS with honey and the DS with agave syrup had the most preferred by participants, but there was no statistically significant difference among all five different sweeteners from the sweet taste test. Furthermore, the DS with agave syrup received the highest score while the DS with agave syrup scored the lowest from the hardness preference test. General preference evaluation identified the highest score with the addition of fructo-oligosaccharide and the lowest score with the addition of isomalto-oligosaccharide. Thus, the findings of the present study provide the meaningful results to demonstrate the DS with fructo-oligosaccharide is the most suitable sweetener to manufacture brown rice DS added by chia seed powder, and this result will help marketers with creating meaningful strategies and with developing similar products using chia seed powder.
This study was conducted to develop a functional syrup by using maca extract. Five different levels (0%, 7%, 14%, 21%, 28%) of maca extract was added and the physicochemical properties were investigated. The pH of control syrup was lower than that of syrup added with maca extract. Viscosity increased with increasing amount of maca extract. Hunter L value decreased while b value increased as maca extract level increased. Results of consumer acceptance test revealed that no significant differences in flavor, sweet taste and overall acceptability were observed among samples. Therefore, it is suggested that maca extract can be incorporated into syrup up to 28% without depressing the quality. Total polyphenol content and DPPH radical, superoxide anion radical and hydroxyl radical scavenging tests were conducted in view of estimating the functionality of maca syrup. Results showed that incorporation of maca extract into syrup exhibited higher polyphenol content and DPPH radical and superoxide anion radical scavenging activity than control syrup (p<0.05).
Mixtures of rice and sweet persimmons to make sweet syrup, jochung, were saccharified by barley malt. Soluble solid contents, reducing sugar and free sugar contents, and sensory quality were determined in jochungs, which were prepared from various ratios (10 : 0, 7 : 3, 5 : 5, 3 : 7) of rice to sweet persimmons. Amylase activity had the highest value, 10466 Unit, after 3 hrs during saccharification process at $55^{\circ}C$. In HPLC determination of free sugars, maltose in saccharifying liquids found the highest amount followed by fructose and glucose. With increasing amounts of sweet persimmons, fructose and glucose contents increased while maltose content decreased. The soluble solid contents reduced as the sweet persimmons proportions increased. The control group without sweet persimmons showed highest value, $58^{\circ}Brix$, in soluble solid content. There appeared to be a slight decrease in reducing sugar and free sugar contents as proportion of sweet persimmons increased. Jochung prepared at high amounts of sweet persimmon had better scores in overall acceptance.
This study examined low calorie sweeteners (fractooligosaccharide, xylitol, erythritol, agave syrup, stevioside) instead of sugar for $Teriyaki$ sauce to satisfy customers' health needs. After adding sugar, stevioside, agave syrup, erythritol, xylitol, and fractooligosaccharide to $Teriyaki$ sauce, we measured moisture and viscosity. According to the results, the sauce with stevioside had a low moisture content, but its value was the highest in viscosity. The sauce with xylitol had average sweetness equal to that of sugar, but its salinity was very low. There was no significant difference in pH value. The difference in sweet taste showed that the sauce with xylitol met the requirement of sweet taste, soy sauce flavor, taste and savory taste. Therefore, xylitol was a good ingredient for $Teriyaki$ sauce.
Journal of the Korean Society of Food Science and Nutrition
/
v.33
no.8
/
pp.1414-1417
/
2004
As the major quality deterioration factor for black sesame Dasik during storage, texture hardening, loss of gloss and decrease of savory flavor are derived from sensory and texture analysis of fresh and two months-stored Dasik. Four kinds of corn syrup with different dextrose equivalent (DE) were applied and their effects on quality attributes of black sesame Dasik were examined to select the optimum corn syrup that could minimize the quality deterioration of black sesame Dasik during storage. Results of texture analysis and sensory evaluation of fresh and four weeks-stored Dasik at $25^{\circ}C$ suggested the possibility that the application of corn syrup with DE of 60~65 or oligosaccharide can minimize the quality deterioration of black sesame Dasik in terms of gloss, sweet flavor and texture hardening during storage.
It is the most important thing to substitute sweet potato for wheat flour as the brewing material of Maggerley(Korean wine) in order to save precious wheat flour which is now consumed as the sole material in it. In this study, the fermenting mash material has been prepared with combination of wheat (KIorean wine) as a first step of sabing wheat flour consuming. The combination ratio of wheat flour and sweet potato starch in mashing, in this experiment, are such as mashing plot of 100% wheat flour (No.3 plot), 50% wheat flour plus 50 % of sweet potato starch (No.2plot), 30% wheat flour plus 70% starch syrup of sweet potato (No. 4 plot), and 60% wheat flour plus sweet potato starch (No. 1 plot). The results of fermentation and chemical components of each mash in experimental plot are as following : 1. Alocholic fermentation was most vigorous in No.4 plost among them, the next are in order to hydrolyze and break down the protein sourece to glucose and amino acid, the new enzymic source were added in experimantal amsh before putting yeasts, those enzymic sources have been developed and prepared in this laboratory No.4 and No.2 plot at same degree. Generally, the activities of alcholic fermentation of all plots are vigorous and fair. The acidity of each fermented mash is in the rangw of 3.7-4.8. 2. Amounts of amino acids in fermented mash are in the range of 145 mg per 100 ml and 158 mg for all experiments, and these amounts are much more than those of present commerical Maggerley. However, the amount of it in the No.4 plots is much less among the m, this is due to the lack of protein source in starch syrup. 3. Amounts of organic acids in fermented mash are in the range of 0.44g per 100ml and 0.62g, these amounts are generally much more than those of the present commercial Maggerley. 4. The result of sensory test for the experimental Maggerley shows good taste and flavour in comparison with those of commercial Maggerely. 5. It is proved that these experimental fermentation of Maggerley is succesful in the partial substitution of sweet potato starch potato starch for wheat flour, and it is also be able to make a good Maggerley in all aspects of quality.
Sucrose, glucose, starches hydrolyzates and raw starchy materials hydrolyzates were caramelized using various catalysis and the caramel products were analysed, in order to carry out the basic research for the replacement of caramel coloring. The results obtained were summarized as follows. 1. The caramel which was manufactured by sucrose syrup being pH 3.5 adjusted by sulfuric acid showed strong color intensity and hue as well as good stability in the solutions of table salt, tannin and alcohol. 2. The product caramelized from sucrose syrup being pH 9.5 adjusted by sodium carbonate showed very strong color intensity and black color component, and was quite stable in alcohol solution but not in table salt and tannin solutions. 3. The caramel products made from sucrose syrup using ammonium salts of strong acid like $NH_4Cl$ and $(NH_4)_2SO_4$ as catalyst showed strong color intensity and black color component but hazy apparence in solution of table salt, tannin and alcohol. 4. The product caramelized from glucose syrup being pH 9.5 adjusted by sodium carbonate indicated strong color intensity but weak red color component and was transparent in solution of table salt and alcohol but hazy in tannin solution. 5. In glucose caramel using $NH_4Cl$, $(NH_4)_2SO_4$, $(NH_4)_2CO_3$ and $(NH_4)_2SO_3$ as catalyst, $NH_4Cl$ plot was very weak in color intensity and insufficient in red color component but stable in solution of table salt, tannin and alcohol. In the case of $(NH_4)_2CO_3$, $(NH_4)_2SO_4$ and $(NH_4)_2SO_3$ plots, all products were strong in color intensity but little insufficient in red color component. On the stability in solutions, $(NH_4)_2SO_3$ plot was stable in two solutions expect tannin solution, $(NH_4)_2CO_3$ plot was only stable in alcohol solution and $(NH_4)_2SO_3$ plot was only stable in table salt solution. 6. When the acid hydrolyzed starch syrups without neutralization were caramelized using $(NH_4)_2SO_4$ as catalyst, the potato starch hydrolyzate caramel showed higher in color intensity being similar to its of glucose caramel than sweet potato starch hydrolyzate caramel and corn starch hydrolyzate caramel. 7. Dried sweet potato powder, dried acorns powders, the acorns (from Q. serrata THUNB and Q. acutissima CARR.) powders extracted with water for 7 days and with 50% alcohol solution for 24 hrs were hydrolyzed by sulfuric acid in autoclave at $3.5kg/cm^2$ as pressure for 60 mins, and were caramelized using $(NH_4)_2SO_4$ as catalyst. It was supposed that all of those products were poor quality on color and stability in solutions at the viewpoint of food coloring matter.
Barley is a main food source, along with rice, in our dietary life that is easy to buy and process. It is required to develop a beverage base and barley syrup for desserts in order to raise utilization of barley beyond its present use in Sikhye (sweet fermented rice drink) and Jocheong (grain syrup) production. In pursuit of the goal to increase the usability of barley as an ingredient of processed food, this study examined the optimal preparation conditions of barley mash for barley syrup. In addition, the study prepared a barley syrup using saccharified barley liquid, analyzed quality characteristics, and conducted a sensory evaluation. Saccharified barley liquid(barley mash) was prepared with ratios of adding malt of unhulled barley germinated as 0 g(CON), 10 g(BM10), 20 g(BM20), and 30 g(BM30). The results of measuring pH under the varied conditions of saccharification temperatures from $50^{\circ}C$, $60^{\circ}C$, and $70^{\circ}C$, as well as time from 1 to 8 hours, treveal that the optimum condition for malt saccharification is $60^{\circ}C$ for 5 hours. By adding oligosaccharides and lemon juice to the saccharified barley liquid at the different ratios of added malt, this study measured quality characteristics(color value, viscosity, pH, sweetness) of barley syrup warmed up for 1 hour. As the result of measuring color in the barley syrup prepared by saccharified barley liquid, higher levels of added malt saw L-value decreased while a-value and b-value both increased. BMs30 showed the highest viscosity of $1,202.67{\pm}3.06$. As for pH, BMs30 was the highest at pH $3.57{\pm}0.02$. The result of the sensory evaluation of barley syrup showed the superior sensory characteristics of BMs20 in terms of color, flavor, sweetness, viscosity and overall quality.
This study was performed to aid the development of a reduced-calorie ssanghwa beverage, by using substitutes for high fructose com syrup(HFCS). The relative sweetness levels of HFCS, aspartame, acesulfame-K, and glucosyl stevia solutions were examined in comparison to a 10% sucrose solution in a binary solution model. And the sensory properties of ssanghwa beverages containing aspartame, acesulfame-K, and glucosyl stevia were evaluated at the equi-sweetness to HFCS. In the binary solution model, the relative sweetness of HFCS to sucrose was 0.8, while the values for aspartame, acesulfame-K, and glucosyl stevia were 140, 170, and 100, respectively. Sweet taste and sweet after taste were not significantly different between the HFCS, aspartame, acesulfame-K, and glucosyl stevia solutions. On the other hand, bitter taste, first taste, and overall eating quality were significantly different between the HFCS and aspartame solutions and between the acesulfame-K and glucosyl stevia solutions. Finally, the ssanghwa beverages sweetened with HFCS, acesulfame-K, and aspartame only had slight differences in sensory properties. However, the sensory properties of the beverages sweetened with HFCS and glucosyl stevia, respectively, were significantly different.
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