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Effect of carboxymethyl cellulose and xanthan gum on the quality of gluten-freecookies from rice varieties with different amylose contents 羧甲基纤维素和黄原胶对不同直链淀粉含量大米品种的无筋饼干质量的影响
Pub Date : 2024-07-28 DOI: 10.26656/fr.2017.8(4).368
D.T.A. Nguyen, T.T.H. Nguyen, T.P.L. Huynh, T.P.L. Duong, M.T. Nhan
Amylose and hydrocolloids may influence the rheology of dough and quality parametersof gluten-free cookies. The present study addresses an aspect of the effect of rice varieties(IR50404, Song Hau and Jasmine) and hydrocolloids (hydrocolloids (carboxymethylcellulose, CMC, and xanthan gum, XG) with concentrations from 1.0 to 3.0% on ricecookie quality parameters (moisture content, water activity, density, expansion ratio,hardness and sensory value). The results noted that amylose content of rice varietiesmainly influenced the hardness, expansion and thickness of cookies. The CMC wasstrongly and positively correlated with hardness while XG had a sharply positive relationwith hardness, expansion ratio and water activity of cookies. Their interaction contributedmainly to the density of the rice cookie. The most appropriate hydrocolloid contents were2% of CMC and 1% of XG for making good quality cookies from the Song Hau ricevariety with medium amylose content.
直链淀粉和亲水胶体可能会影响面团的流变性和无筋饼干的质量参数。本研究探讨了大米品种(IR50404、松口米和茉莉香米)和水胶体(羧甲基纤维素 CMC 和黄原胶 XG)(浓度为 1.0 至 3.0%)对无筋饼干质量参数(含水量、水活性、密度、膨胀率、硬度和感官价值)的影响。结果表明,大米品种的直链淀粉含量主要影响饼干的硬度、膨胀率和厚度。CMC 与饼干的硬度呈强正相关,而 XG 与饼干的硬度、膨胀率和水分活度呈显著正相关。它们之间的相互作用主要影响了大米饼干的密度。最合适的水胶体含量为 2% 的 CMC 和 1%的 XG,用于制作中等直链淀粉含量的松口大米品种的优质饼干。
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引用次数: 0
Iron deficiency and anemia among adolescent girls in Banten, Indonesia: a cross-sectional study 印度尼西亚万丹省少女缺铁与贫血:一项横断面研究
Pub Date : 2024-07-28 DOI: 10.26656/fr.2017.8(4).339
G. K. Aji, N. Laily, W. WIdarsih, Muhamaludin, F. Illaningtyas, I. Sukarti, W. E. Widodo, I. Susanti, K. Komariyah, R.D.E. Widjayanti
Anemia is diagnosed when the hemoglobin level is below the World HealthOrganization’s (WHO) normal value based on age and gender. Adequate hemoglobin canbe synthesized if the iron supply is sufficient. Studying iron status (hemoglobin andferritin), thus, in adolescent girls, the next age group that will possibly experiencepregnancy, is necessary to be performed. A cross-sectional study was performed inBanten, Indonesia. A total of one hundred fifty-eight girls were recruited and joined thestudy. Blood was drawn, and iron status (ferritin and hemoglobin) was analyzed. Inaddition, respondents’ characteristic was obtained through direct interviews. Weight andheight were determined to calculate the Z-scores of BMI-for-age using WHO AnthroPlussoftware. A total of one hundred fifty-two respondents were analyzed, excluding 6respondents due to an infection condition, resulting in an average age of 16.04±1.00 yearsold and an average z-score BMI-for-age of -0.32. The study revealed that anemiaprevalence was 44.7%, 55.4% of whom had iron deficiency. Another result showed thatthe prevalence of iron deficiency was 36.8% among all respondents. In addition, chisquare analysis showed a relationship between anemia and iron deficiency status with anOR ratio of 4.083 (2.029-8.217, p = 0.000). Correlation analysis unveiled that a mediumcoefficient between hemoglobin and ferritin levels was observed (r = 0.497, p = 0.000).Iron deficiency in adolescent girls enhances the risk of progressing anemia. Thus,increasing iron consumption through food and supplementation might tackle irondeficiency and anemia.
当血红蛋白水平低于世界卫生组织(WHO)根据年龄和性别规定的正常值时,就可诊断为贫血。如果铁供应充足,就能合成足够的血红蛋白。因此,有必要对青春期少女的铁状况(血红蛋白和铁蛋白)进行研究,因为她们是下一个可能怀孕的年龄组。印度尼西亚万丹省进行了一项横断面研究。共招募了 158 名女孩参与研究。研究人员抽取了受访者的血液,并对其铁质状况(铁蛋白和血红蛋白)进行了分析。此外,还通过直接访谈了解受访者的特征。使用世界卫生组织的 AnthroPlus 软件测定了受访者的体重和身高,以计算出不同年龄的体重指数 Z 值。共对 152 名受访者进行了分析,其中排除了 6 名受感染的受访者,受访者的平均年龄为(16.04±1.00)岁,平均年龄体重指数 Z 值为-0.32。研究结果显示,贫血患病率为 44.7%,其中 55.4%患有缺铁症。另一项结果显示,在所有受访者中,铁缺乏症的患病率为 36.8%。此外,方差分析显示贫血与缺铁之间存在关系,OR 比为 4.083(2.029-8.217,P = 0.000)。相关性分析表明,血红蛋白和铁蛋白水平之间存在中等系数(r = 0.497,p = 0.000)。因此,通过食物和补充剂增加铁的摄入量可以解决缺铁和贫血问题。
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引用次数: 0
Bioactivities of black soldier fly larvae protein hydrolysate 黑翅大实蝇幼虫蛋白水解物的生物活性
Pub Date : 2024-07-28 DOI: 10.26656/fr.2017.8(4).356
Ferdinand, F.C. Saputra, D. Lestari, A. Pakpahan, M.T. Suhartono
One of the potential insects for feed and food sources is the Black Soldier Fly (BSF)(Hermetia illucens). The BSF originated in South America and has now spread to manytropical countries. The BSF larvae (BSFL) had attracted much attention due to their goodnutrient content and were recently reported as having useful bioactivities. BSFL has beenwidely used as feed and has been found to reduce bad smells associated with the growth ofpathogenic microbes. The high protein content in BSFL is advantageous in the productionof bioactive peptides. This research aimed to extract and hydrolyze the protein from BSFLwith protease enzyme to produce protein hydrolysate or peptides with antioxidant andantibacterial activities. The antioxidant activity was measured using DPPH and FRAP,while the antibacterial was analyzed using the agar well diffusion method. BSFL washydrolyzed with bromelain extracted from pineapple or commercial enzyme (Enzyplex).The IC50 shown by protein hydrolysate was 9.43±0.84% (v/v) or 0.72 mg/mL. The FRAPvalue was 521.21±264.53 µM for BSFL protein without enzyme addition, 792.14±291.02for BSFL with the addition of bromelain, and 5,352.114±861.99 µM for BSFL with theaddition of Enzyplex. The addition of bromelain increased the FRAP value 1.2 times,while the addition of Enzyplex increased the FRAP value 10.2 times. The antibacterialactivity indicated that protein hydrolysate with phosphate buffer pH 8 at 50℃ and 24 hrsincubation showed the highest antibacterial activity to the lowest are Vibrio cholerae,Bacillus cereus and Staphylococcus aureus, respectively. The results suggest that BSFLhas antibacterial and antioxidant bioactivities using bromelain extracted from pineappleand Enzyplex, a commercial enzyme that contains protease, lipase and amylase. UsingEnzyplex as an enzyme to hydrolyze BFSL shows a very high antioxidant capacitycompared to bromelain as an enzyme. This suggests that more protein and othermacromolecules contribute to the antioxidant capacity. Using bromelain as an enzyme tohydrolyze BSFL, shows that BSFL peptide has higher antibacterial activity in gramnegative bacteria.
潜在的饲料和食物来源昆虫之一是黑兵蝇(BSF)(Hermetia illucens)。黑兵蝇起源于南美洲,现在已蔓延到许多热带国家。黑兵蝇幼虫(BSFL)因其良好的营养成分含量而备受关注,最近有报道称其具有有用的生物活性。BSFL 已被广泛用作饲料,并被发现可减少与病原微生物生长有关的恶臭。BSFL 中的高蛋白含量有利于生产生物活性肽。本研究旨在用蛋白酶提取和水解 BSFL 中的蛋白质,以生产具有抗氧化和抗菌活性的蛋白质水解物或肽。抗氧化活性采用 DPPH 和 FRAP 法测定,抗菌活性采用琼脂井扩散法分析。用从菠萝中提取的菠萝蛋白酶或商用酶(Enzyplex)对 BSFL 进行水解,蛋白水解物的 IC50 值为 9.43±0.84%(v/v)或 0.72 mg/mL。未添加酶的 BSFL 蛋白的 FRAP 值为 521.21±264.53 µM,添加了菠萝蛋白酶的 BSFL 的 FRAP 值为 792.14±291.02,添加了 Enzyplex 的 BSFL 的 FRAP 值为 5,352.114±861.99 µM。添加菠萝蛋白酶后,FRAP 值提高了 1.2 倍,而添加 Enzyplex 后,FRAP 值提高了 10.2 倍。抗菌活性表明,蛋白质水解物与 pH 值为 8 的磷酸盐缓冲液在 50℃和 24 小时培养条件下的抗菌活性最高,最低的分别是霍乱弧菌、蜡样芽孢杆菌和金黄色葡萄球菌。结果表明,使用从菠萝中提取的菠萝蛋白酶和含有蛋白酶、脂肪酶和淀粉酶的商用酶 Enzyplex,BSFL 具有抗菌和抗氧化生物活性。使用 Enzyplex 作为酶来水解食品添加剂,与作为酶的菠萝蛋白酶相比,显示出极高的抗氧化能力。这表明更多的蛋白质和其他大分子有助于提高抗氧化能力。用菠萝蛋白酶水解 BSFL 表明,BSFL 肽对革兰氏阴性菌具有更高的抗菌活性。
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引用次数: 0
Chia seed oil microencapsulated by spray-drying: optimization andmicrocapsules characteristics 喷雾干燥法制备的奇异籽油微胶囊:优化与微胶囊特性
Pub Date : 2024-07-28 DOI: 10.26656/fr.2017.8(4).428
L. Cuevas-Glory, D.G. Rosel-Sosa, M.E. Ramirez-Ortiz, S. Gallegos-Tintoré, Y.A. Chim-Chi, L. Chel-Guerrero, D. Betancur-Ancona
A current trend in food research is the development of beneficial health products thatcould help to decrease certain risks of diseases. The chia seed (Salvia hispanica L.) oil is aproven source of essential fatty acids (omega-3), which can help to prevent cardiovasculardiseases. In this study, chia seed oil was characterized and fatty acids were identifiedbefore and after the spray-drying process. A 32factorial design with response surfacemethodology was utilized for chia seed oil spray drying experiments. Statistic designfactors and levels were as follows: gum arabic: maltodextrin mixture (GA:MD) (1:1, 1:2and 1:3 w/w) and drying temperatures (DT) (140, 160, and 180°C). A total of 67.9% ofunsaturated fatty acids were found in raw chia seed oil and 65.7% in microencapsulatedoil. The optimal parameters for the spray drying process were as follows: GA:MD 51:1and DT, 180°C; powder yield rate, 49.5% (w/w), mean size of particles 129 µm, andsphericity coefficient of 0.11. Microcapsules tended to demean over time, changing theircolor, and producing agglomerate, which decreased their flowing capacity. On the otherhand, the product was easier to handle, the oil was protected from heat and moistureconditions, and the microencapsulation process provided stability to the oil's activesubstances, such as omega-type fatty acids.
当前食品研究的一个趋势是开发有助于降低某些疾病风险的有益健康产品。奇异籽(Salvia hispanica L.)油是公认的必需脂肪酸(ω-3)来源,有助于预防心血管疾病。本研究对奇异籽油进行了表征,并对喷雾干燥过程前后的脂肪酸进行了鉴定。奇异籽油喷雾干燥实验采用了 32 因子设计和响应面方法。统计设计因素和水平如下:阿拉伯胶:麦芽糊精混合物(GA:MD)(1:1、1:2 和 1:3 w/w)和干燥温度(DT)(140、160 和 180°C)。在未加工的奇异籽油中发现了 67.9% 的不饱和脂肪酸,在微胶囊油中发现了 65.7% 的不饱和脂肪酸。喷雾干燥工艺的最佳参数如下:GA:MD 51:1,DT 180°C;粉末产出率 49.5%(w/w),颗粒平均大小 129 µm,球形系数 0.11。随着时间的推移,微胶囊有变质、变色和结块的趋势,从而降低了其流动能力。另一方面,该产品更易于处理,保护了油脂免受热量和湿气的影响,而且微胶囊工艺为油脂的活性物质(如欧米茄型脂肪酸)提供了稳定性。
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引用次数: 0
Physicochemical characteristics of jack bean (Canavalia ensiformis (L.) DC.)milk, a non-dairy milk alternative developed using various pretreatmentmethods 使用各种预处理方法开发的非乳制品替代品千层豆(Canavalia ensiformis (L.) DC.)奶的理化特性
Pub Date : 2024-07-24 DOI: 10.26656/fr.2017.8(4).382
Virly, A. M. Sutedja, C.Y. Trisnawati, V. C. Kaharso, F. Ivana, K. Asali
The endeavor to turn jack bean (Canavalia ensiformis (L.) DC.) into jack bean milk faceda challenge regarding its hard skin, which makes pretreatment of the jack bean beforeprocessing essential to soften and ease the dehulling of beans, as well as aid the grindingprocess. However, different pretreatment methods influence the characteristics of treatedjack beans and jack bean milk as the final product. This study, thus, aimed to investigatethe effect of different jack bean pretreatment methods such as soaking in NaHCO3solution (P1), soaking in hot water (95℃) (P2), and a combination of boiling and soakingin water (P3), on the physicochemical properties of jack bean milk. Jack bean milk wasprepared by subjecting jack beans to pretreatment, dehulling, wet grinding, filtering, andheating before proceeding with analyses based on proximate composition, phase behavior,color and viscosity. The results demonstrated that P2 produced the highest protein(7.01±0.11%), fat (0.10±0.00%), and ash contents (0.11±0.00%) of jack bean milk. P1yielded higher protein and ash contents of jack bean milk than that of P3, while nosignificant differences in fat contents were discovered in both P1 and P3. Besides, a slightdifference in carbohydrate contents was found among all treatments, ranging from 1.17 to1.20%. The phase behavior and color analyses showed P1 and P2 to significantly generatehigher colloidal stability and whiteness index value of jack bean milk than P3. In addition,jack bean milk from P2 possessed the highest viscosity value of 48.1±1.4 cP, followed byP1 (28.6±0.6 cP) and P3 (12.6±0.5 cP). Accordingly, the recent study proposes thepretreatment of soaking in hot water (95℃) to be applied in jack bean milk processing andprovides new insights into how pretreatment methods affect the characteristics of plantbased milk products.
将蚕豆(Canavalia ensiformis (L.) DC.)加工成蚕豆奶的工作面临着蚕豆表皮坚硬的挑战,因此必须在加工前对蚕豆进行预处理,以软化蚕豆,便于蚕豆脱壳,并有助于研磨过程。然而,不同的预处理方法会影响经过处理的蚕豆和最终产品蚕豆奶的特性。因此,本研究旨在探讨不同蚕豆预处理方法(如在 NaHCO3 溶液中浸泡(P1)、在热水(95℃)中浸泡(P2)以及煮沸和水浸泡相结合(P3))对蚕豆奶理化特性的影响。蚕豆乳的制备方法是对蚕豆进行预处理、脱壳、湿磨、过滤和加热,然后根据近似成分、相态、颜色和粘度进行分析。结果表明,P2 生产的千层豆奶蛋白质(7.01±0.11%)、脂肪(0.10±0.00%)和灰分含量(0.11±0.00%)最高。P1和P3的胡豆乳蛋白质和灰分含量均高于P3,脂肪含量差异不显著。此外,所有处理的碳水化合物含量略有差异,从 1.17% 到 1.20% 不等。相行为和颜色分析表明,P1 和 P2 产生的千层塔牛奶的胶体稳定性和白度指数值明显高于 P3。此外,P2 的豆奶粘度值最高,为 48.1±1.4 cP,其次是 P1(28.6±0.6 cP)和 P3(12.6±0.5 cP)。因此,最近的研究提出将热水(95℃)浸泡预处理应用于千层豆奶加工,并为预处理方法如何影响植物乳制品的特性提供了新的见解。
{"title":"Physicochemical characteristics of jack bean (Canavalia ensiformis (L.) DC.)\u0000milk, a non-dairy milk alternative developed using various pretreatment\u0000methods","authors":"Virly, A. M. Sutedja, C.Y. Trisnawati, V. C. Kaharso, F. Ivana, K. Asali","doi":"10.26656/fr.2017.8(4).382","DOIUrl":"https://doi.org/10.26656/fr.2017.8(4).382","url":null,"abstract":"The endeavor to turn jack bean (Canavalia ensiformis (L.) DC.) into jack bean milk faced\u0000a challenge regarding its hard skin, which makes pretreatment of the jack bean before\u0000processing essential to soften and ease the dehulling of beans, as well as aid the grinding\u0000process. However, different pretreatment methods influence the characteristics of treated\u0000jack beans and jack bean milk as the final product. This study, thus, aimed to investigate\u0000the effect of different jack bean pretreatment methods such as soaking in NaHCO3\u0000solution (P1), soaking in hot water (95℃) (P2), and a combination of boiling and soaking\u0000in water (P3), on the physicochemical properties of jack bean milk. Jack bean milk was\u0000prepared by subjecting jack beans to pretreatment, dehulling, wet grinding, filtering, and\u0000heating before proceeding with analyses based on proximate composition, phase behavior,\u0000color and viscosity. The results demonstrated that P2 produced the highest protein\u0000(7.01±0.11%), fat (0.10±0.00%), and ash contents (0.11±0.00%) of jack bean milk. P1\u0000yielded higher protein and ash contents of jack bean milk than that of P3, while no\u0000significant differences in fat contents were discovered in both P1 and P3. Besides, a slight\u0000difference in carbohydrate contents was found among all treatments, ranging from 1.17 to\u00001.20%. The phase behavior and color analyses showed P1 and P2 to significantly generate\u0000higher colloidal stability and whiteness index value of jack bean milk than P3. In addition,\u0000jack bean milk from P2 possessed the highest viscosity value of 48.1±1.4 cP, followed by\u0000P1 (28.6±0.6 cP) and P3 (12.6±0.5 cP). Accordingly, the recent study proposes the\u0000pretreatment of soaking in hot water (95℃) to be applied in jack bean milk processing and\u0000provides new insights into how pretreatment methods affect the characteristics of plantbased milk products.","PeriodicalId":502485,"journal":{"name":"Food Research","volume":"35 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141808536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anti-fatigue activity on male mice of 70% ethanol and aqueous extract of Rusaunicolor antler from East Kalimantan 东加里曼丹 Rusaunicolor 鹿茸的 70% 乙醇和水提取物对雄性小鼠的抗疲劳活性
Pub Date : 2024-07-24 DOI: 10.26656/fr.2017.8(4).357
R. Widyowati, S. Suciati, D. M. Haryadi, H. Chang, I. N. Suryawan, N. Tarigan, I. Sholikhah
Energy supply issues, ATP+PC, anaerobic glycolysis, product accumulation, lactic acid,mechanical failure of muscles to contractions and nervous system changes contribute tofatigue. The goal of this study was to determine whether 70% ethanol and aqueousextracts of Rusa unicolor antler from East Kalimantan, Indonesia, can reduce fatigue inmale mice. A total of sixty-four male mice aged 2-3 months (20-30 g) were randomlyassigned to eight groups (negative control, positive control and 3 doses of treatments foreach extract). After that, the swimming endurance time was assessed, and blood glucoselevels were measured before and after the test. Mice's tiredness is demonstrated by theirhead remaining submerged for 4-7 s while their tails and legs are stretched. One-wayANOVA was used to statistically analyze the data. The results showed that there weresignificant differences between all treatments with the negative control group (p<0.05). Ata dose of 1.3 mg/kg BW of 70% ethanol and aqueous extract of Rusa unicolor antlerswere able to maintain the stamina of male mice in swimming for 2 hrs 37 mins. Bothextracts improve endurance training, delay tiredness, and promote recovery after exercise.Hence, Rusa unicolor antler extract can significantly improve athletic ability and facilitaterecovery after exercise in male mice by increasing endurance training capacity anddelaying tiredness.
能量供应问题、ATP+PC、无氧糖酵解、产物积累、乳酸、肌肉收缩的机械故障以及神经系统的变化都会导致疲劳。本研究的目的是确定印度尼西亚东加里曼丹的 Rusa unicolor 鹿茸的 70% 乙醇和水提取物是否能减轻雄性小鼠的疲劳。将 64 只 2-3 个月大的雄性小鼠(20-30 克)随机分为 8 组(阴性对照组、阳性对照组和每种提取物 3 个剂量的处理组)。然后评估小鼠的游泳耐力时间,并在测试前后测量血糖水平。小鼠的疲倦表现为头部在水中停留 4-7 秒,同时尾巴和腿部伸展。采用单因素方差分析对数据进行统计分析。结果表明,与阴性对照组相比,所有处理之间均存在显著差异(P<0.05)。剂量为 1.3 毫克/千克体重的 70% Rusa unicolor 鹿角乙醇和水提取物能够维持雄性小鼠游泳 2 小时 37 分钟的耐力。因此,鸦胆子鹿茸提取物可以通过提高耐力训练能力和延缓疲劳,显著提高雄性小鼠的运动能力和促进运动后的恢复。
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引用次数: 0
A perspective on the in vitro tissue culture of red ginger and its impact onantioxidant activity 透视红姜体外组织培养及其对抗氧化活性的影响
Pub Date : 2024-07-24 DOI: 10.26656/fr.2017.8(4).324
D. Widyastuti, T. Nuringtyas, D. Santosa, A. Rohman
Red ginger (Zingiber officinale var. rubrum) is one of the ginger varieties grown inIndonesia and Malaysia. Like other varieties of ginger, red ginger has been widely used asa traditional herbal medicine in Indonesia. The antioxidant activity of red ginger issuggested to be higher than other ginger varieties due to anthocyanin, which provide a red-coloured rhizome. The amount of red ginger bioactive compounds is different due to itscultivation place, cultivation method, and processing method. Difficulties of conventionalvegetative propagation of red ginger have to be overcome with other appropriatetechniques. One of the potential techniques as suitable methods for red ginger cultivationis in vitro tissue culture. This technique may produce pathogen-free ginger plantlets with avariation of bioactive compounds. In vitro tissue culture also provides higher totalphenolic content related to higher antioxidant activity in elicited ginger callus. The bestelicitor that yielded the highest antioxidant activity in ginger callus is yeast extract 100mg/L. With that condition, in vitro tissue culture is still promising as an alternativecultivation method for red ginger to promote uniform, sterile and controlled plantlet withtargeted bioactive compounds as the researcher urges.
红姜(Zingiber officinale var. rubrum)是印度尼西亚和马来西亚种植的生姜品种之一。与其他品种的生姜一样,红姜在印度尼西亚被广泛用作传统草药。由于花青素使根茎呈红色,因此红姜的抗氧化活性被认为高于其他生姜品种。由于栽培地点、栽培方法和加工方法的不同,红姜生物活性化合物的含量也不同。传统植物繁殖红姜的困难必须通过其他适当的技术来克服。体外组织培养是适合红姜栽培的潜在技术之一。这种技术可以培育出无病原体、具有生物活性化合物变异的生姜植株。体外组织培养还能提供较高的总酚类物质含量,这与生姜胼胝体中较高的抗氧化活性有关。在生姜胼胝体中产生最高抗氧化活性的最佳酵母提取物是 100 毫克/升。在此条件下,体外组织培养作为红生姜的替代栽培方法仍然很有前途,因为它能促进均匀、无菌和可控的小植株,并含有研究人员所呼吁的目标生物活性化合物。
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引用次数: 0
Assessment of vitamins and minerals of rats fed with plantain-maize puddingprepared using edible plant leaves and metallic plates 用可食用植物叶片和金属板制备的车前草玉米布丁喂养大鼠的维生素和矿物质评估
Pub Date : 2024-07-19 DOI: 10.26656/fr.2017.8(4).359
J. Okpoghono, U. B. Igue, F.E. Isoje, S.U. Okom, A. A. Seigha, M. Erorun
Cooking materials are important factors that basically intended to provide covering,protection and consumers’ choice of food products. The objective of the study was todetermine the vitamin profile and minerals in the serum of rats fed maize-plantain puddingcooked using different leaves and metallic plates. Different maize-plantain puddingsamples were prepared using plantain and maize flour blended together 1:1 ratio. In theanimal study, thirty rats were divided into six groups of five rats each. Rats in Group Aserved as control. Group B rats were given Tween 80. Rats in Groups C, D, E and F werefed pudding prepared using plantain leaves, ginger leaves, aluminium plates and cast ironplates respectively. The rats in each group were allowed free access to feed and cleandrinking water throughout the period of the experiment for 28 days. Mineral analysis wasdone using an atomic absorption spectrophotometer. Vitamin profile was determinedusing high performance liquid chromatography (HPLC). The results showed that serumminerals (calcium, potassium, magnesium, sodium, iron and phosphorus) and total vitamincontent were significantly higher in rats fed with pudding prepared using ginger leaveswhen compared with plantain leaves, cast iron plate and aluminium plate. The serum ironcontent was significantly higher in rats fed pudding prepared using cast iron platecompared to other groups. Therefore, the use of locally accessible and consumable leavesand cast iron plates or utensils may be encouraged in diet preparation
烹饪材料是重要的因素,其基本目的是提供覆盖、保护和消费者对食品的选择。这项研究的目的是测定用不同叶子和金属板烹制的玉米蕉布丁喂养的大鼠血清中的维生素和矿物质含量。研究人员使用车前草和玉米粉按 1:1 的比例混合,制备了不同的玉米-车前草布丁样品。在动物实验中,30 只大鼠被分为六组,每组五只。A组大鼠作为对照组。B 组大鼠服用吐温 80。C、D、E 和 F 组大鼠分别喂食用芭蕉叶、姜叶、铝板和铸铁板制作的布丁。在 28 天的整个实验期间,允许各组大鼠自由获取饲料和清洁饮用水。使用原子吸收分光光度计进行矿物质分析。使用高效液相色谱法(HPLC)测定维生素含量。结果表明,与车前草叶、铸铁板和铝板相比,喂食姜叶布丁的大鼠血清矿物质(钙、钾、镁、钠、铁和磷)和总维生素含量明显更高。与其他组相比,用铸铁板制作布丁喂养的大鼠血清铁含量明显更高。因此,可鼓励在配制饮食时使用当地可获得和消费的树叶、铸铁盘或器皿。
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引用次数: 0
Increasing enzymatic saccharification of saccharide polymers in lignocellulosicbiomass with subcritical water treatment 通过亚临界水处理提高木质纤维素生物质中糖类聚合物的酶法糖化率
Pub Date : 2024-07-19 DOI: 10.26656/fr.2017.8(4).041
N. Kusumawati, S. H. Sumarlan, E. Zubaidah, A. K. Wardani
Oil palm trunk (OPT) is one of the wastes from logging oil palm trees that are no longerproductive. OPT contains cellulose, hemicellulose, and lignin, which can be hydrolyzed toproduce fermentable sugar and further converted into biofuel and value-added chemicals forfood ingredients such as xylitol, lactic acid, dietary fiber, prebiotics, and compounds forfood packaging. The OPT pretreatment aims to break down the recalcitrant by breakingdown the lignin bonds to increase the efficiency of enzymatic hydrolysis ofpolysaccharides. This study aimed to apply the pretreatment with the subcritical water(SCW) method at 170℃, 400 psi, for 20 mins on OPT samples and confirm theachievement of the delignification objective in the samples by conducting chemicalcomponent analysis and observing changes in the X-ray diffraction (XRD) and Fouriertransform infrared spectroscopy (FTIR) spectra of raw OPT samples and which has beengiven pretreatment and enzymatic saccharification analysis. The findings from the studyrevealed that pretreatment with the SCW method reduced the levels of lignin andhemicellulose by 30.43% and 42.53%, respectively, while the percentage of celluloseincreased by 50.34%. XRD and FTIR spectroscopy analysis also revealed the change in thestructure of the pretreated OPT. The total reducing sugar of the OPT samples afterenzymatic hydrolysis increased in the pretreated sample, which was 11 g/g, compared to theraw OPT, which was 8 g/g. SCW pretreatment method at 170°C, 400 psi, for 20 mins wasable to give a delignification effect and increase saccharification in enzymatic hydrolysis ofOPT.
油棕树干(OPT)是油棕树伐木后产生的废弃物之一,已不再具有生产力。油棕树干含有纤维素、半纤维素和木质素,可通过水解产生可发酵糖,并进一步转化为生物燃料和用于食品配料的增值化学品,如木糖醇、乳酸、膳食纤维、益生元和用于食品包装的化合物。OPT 预处理的目的是通过破坏木质素键来分解难分解物,从而提高酶水解多糖的效率。本研究旨在采用亚临界水(SCW)法在 170℃、400 psi 条件下对 OPT 样品进行 20 分钟的预处理,并通过对经过预处理和酶法糖化分析的原始 OPT 样品进行化学成分分析以及观察其 X 射线衍射(XRD)和傅里叶变换红外光谱(FTIR)图谱的变化,确认样品是否达到了脱木质的目的。研究结果表明,采用 SCW 方法进行预处理后,木质素和半纤维素的含量分别降低了 30.43% 和 42.53%,而纤维素的百分比则增加了 50.34%。XRD 和傅立叶变换红外光谱分析也揭示了预处理 OPT 结构的变化。经酵素水解后的 OPT 样品的总还原糖有所增加,经预处理的 OPT 样品为 11 克/克,而未经预处理的 OPT 样品为 8 克/克。在 170°C、400 磅/平方英寸、20 分钟的条件下进行 SCW 预处理的方法可以在酶水解 OPT 的过程中产生去木质素的效果并提高糖化率。
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引用次数: 0
Assessment of the ethanolic extract of Coccinia grandis on in vitro antityrosinase and anti-inflammatory activities and its active chemicaldetermination 评估大叶椰子乙醇提取物的体外抗酪氨酸酶和抗炎活性及其活性化学成分的测定
Pub Date : 2024-07-19 DOI: 10.26656/fr.2017.8(4).427
C. Chuchote, P. Somwong
Cucurbitaceae plants have figured prominently in the world as edible medicinal plants,supplying essential elements and minerals to support human health and prevent somediseases caused by malnutrition. Coccinia grandis (L.) Voigt, also known as the ivygourd, is one of the most popular cucurbitaceous plants that has spread throughout thetropics. For a long time, the plant has been cultivated as a food crop, and its aerial partshave been used as nutritious vegetables. Coccinia grandis extract has been scientificallyreported to be efficient in various pharmacological investigations such as antioxidant,antimicrobial, and cell proliferative properties, and it was recently affirmed as a potentialmedicinal herb with antidiabetic properties. This suggests that developing plant extracts asfunctional ingredients in food and medicine is more advantageous. Thus, the goal of thisstudy was to elaborate on previously unreported pharmacological activities as well as toidentify the active phytochemical compound responsible for their action. In this study, C.grandis ethanolic extract was confronted with a variety of in vitro biological assays,including tyrosinase inhibition activity and anti-inflammatory activity. When compared tothe positive controls, the plant extract displayed remarkable anti-tyrosinase activity withan IC50 value of 0.29±0.06 mg/mL and anti-inflammatory activity with an IC50 value of9.63±1.10 mg/mL. The active triterpenoid compound lupeol was found in the sample at alevel of 18.87±0.79 mg per 100 g of dry extract, as shown by the HPLC profile of theextract. The current study demonstrated the presence of an active chemical in C. grandisextract, which could support the prospect of integrating this extract into herbal foodproducts that become beneficial to health.
葫芦科植物作为可食用的药用植物在世界上占有重要地位,可提供人体所需的元素和矿物质,促进人体健康,预防因营养不良引起的疾病。Coccinia grandis (L.) Voigt,又名常春藤,是最受欢迎的葫芦科植物之一,已遍布整个热带地区。长期以来,该植物一直被作为粮食作物栽培,其气生部分被用作营养丰富的蔬菜。据科学报道,大叶椰子提取物在抗氧化、抗菌和细胞增殖等各种药理研究中都很有效,最近还被确认为一种具有抗糖尿病特性的潜在药用植物。这表明,开发植物提取物作为食品和药物的功能成分更具优势。因此,本研究的目标是详细阐述以前未报道的药理活性,并确定产生这些作用的活性植物化学物质。在这项研究中,C.grandis乙醇提取物接受了多种体外生物检测,包括酪氨酸酶抑制活性和抗炎活性。与阳性对照组相比,该植物提取物具有显著的抗酪氨酸酶活性(IC50 值为 0.29±0.06 mg/mL)和抗炎活性(IC50 值为 9.63±1.10 mg/mL)。提取物的 HPLC 图谱显示,样品中的活性三萜类化合物羽扇豆醇的含量为 18.87±0.79 毫克/100 克干提取物。目前的研究表明,大叶茜草提取物中存在一种活性化学物质,这有助于将这种提取物整合到草药食品中,使其成为有益于健康的产品。
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引用次数: 0
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Food Research
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