scholarly journals PENGARUH PEMBERIAN LARUTAN SARI KURMA (PHOENIX DACTYLIFERA L.) DAN LARUTAN FLUOR TERHADAP KEKERASAN EMAIL GIGI SETELAH DIRENDAM DALAM MINUMAN RINGAN BERKARBONASI

2021 ◽  
Vol 2 (1) ◽  
pp. 56-64
Author(s):  
Mety Dwi Putri Eszy ◽  
Afriwardi Afriwardi ◽  
Susi Susi

Soft drink with low pH (5,5) causes tooth erosion. Erosion may result in a decrease in surface hardness of tooth enamel. This research will be used a solution of palm juice and solution of fluoride to increase the surface hardness of tooth enamel. The purpose of this study was to evaluate effect of using a solution of palm juice 100%, 75%, 50%, 25% and APF 1,23% to the surface hardness of tooth enamel. The methode used in this research is the experimental laboratory and were tested for their hardness using Vicker Hardness Tester.Measurement performed three times, initial hardness, after all specimens was soaked in soft drink for 25 hours and were then applied with 100%, 75%, 50%, 25% solution of palm juice dan APF 1,23%. Data was analyzed by using SPSS with Repeated ANOVA.The result showed that a significant decrease in tooth enamel hardness on immersion in carbonated soft drink (p<0,05) and increased hardness of surface enamel after application with 100% solution of palm juice with a mean increase of microhardness 42,91VHN, 38,46 VHN with 75% solution of palm juice, 35,836 VHN with 50% solution of palm juice,29,41 VHN with 25% solution of palm juice dan 23,94 VHN in APF 1,23%.The result of this study is there is no significant difference enamel hardness after applied with 100%, 75%, 50%, 25% solution of palm juice and APF 1,23%.

2020 ◽  
Vol 6 (2) ◽  
pp. 1-10
Author(s):  
Lisa Giovanny ◽  
Faliha Arinda Lestari ◽  
Nurul Marfira ◽  
Laksmi Ambarsari ◽  
Siti Warnasih

Dates seeds are one of the byproducts of the date palm juice industry which has the potential for further processing. Dates seeds contain active compounds that are known to have ability to inhibit αglucosidase. This study aims to measure the activity of 70% ethanol extract and the fraction of date palm seeds with a mechanism in inhibiting αglucosidase. The measurement of inhibitory activity was carried out by extracting date palm seeds using 70% water and ethanol. The extraction product is then fractionated with n-hexane, ethyl acetate, n-butanol, and water. Then the total phenolic and flavonoid calculations were calculated for each extract and fraction. Measurement of α-glucosidase inhibition activity was measured based on reaction of substrate to enzyme by the addition of inhibitors. The results showed that the ethanolextract had the highest total phenolic and flavonoid, which were 76.86 mg GAE / g and 21.19 mg QE / g, respectively. n-hexane fraction have the best inhibitory activity seen from the IC50 value, which is 12.69 mg/L. The kinetics of inhibition of 70% ethanol extract of date palm seeds are mixed inhibition. Keywords: α-glucosidase, date seeds, flavonoids, kinetic inhibition, phenolics


2019 ◽  
Vol 8 (2) ◽  
pp. 179-184
Author(s):  
Siti Warnasih ◽  
◽  
Ade Heri Mulyati ◽  
Diana Widiastuti ◽  
Zuniar Subastian ◽  
...  

Red Sayer is one of the date varieties from the United Arab Emirates. This variety is one type of dates that is imported into Indonesia and used as processed date palm juice producing waste, namely date seeds. Date seeds can be made into some coffee that is rich in antioxidants and does not contain caffeine. The purpose of this study is to determine the chemical characteristics, antioxidant activity, total phenol, and caffeine contents in coffee of the Red Sayer variety date seeds. Coffee of date seeds is made into powder and then analyzed for its contents of water, ash, protein, fat, carbohydrates and total sugar, besides its antioxidant activity, total phenol, and caffeine levels. The results of the analysis obtained are, as follows: 4.42±0.01% water, 1.17±0.04% ash, 8.55±0.64% protein, 7.34±0.07% fat, 78.52±0.76% carbohydrate, 16.39±0.01% total sugar, 23.81±0.22 µg/mL antioxidant activity (IC50) and 340.65±1.53 mg GAE / 100g total phenol, while caffeine is not detected. Red Sayer date seed coffee, therefore, can be a source of carbohydrates and natural antioxidants that does not contain caffeine.


2020 ◽  
Vol 9 (2) ◽  
pp. 70
Author(s):  
Tamara Yuanita ◽  
Setyabudi Setyabudi ◽  
Qintan Sekar Adjani

Background: Consumption of orange juice which had acidic quality will cause a demineralization on enamel. The most effective way to prevent the demineralization process was by involving remineralization agents. Fluoride was effective to improve remineralization but has toxicity effect and caused fluorosis at certain dose. Another alternative for remineralization agent without providing side effects is theobromine contained in cocoa peel extract (Theobroma cacao). Objective: To explain the effect of theobromine and NaF 2% exposure on enamel surface hardness after immersion in commercial orange juice. Method: Twenty-seven cattle incisors were cut into a square shape 1x1 cm and then planted in a round resin mold then divided into three groups. All three groups were immersed in orange juice beverage for 60 minutes. The control group was immersed in distilled water, group I was given theobromine 200 mg / L, and group II was given 2% NaF after exposure for 96 minutes. Surface hardness measurements were carried out using the Wolpert Micro Vickers Testers tool. Results: There was a significant difference (p <0.05) between surface hardness of tooth enamel from the control group and theobromine group and there was also a significant difference between the control group and the NaF group. However, there was no significant difference (p> 0.05) in the NaF group with theobromine group. Conclusion: The effect of exposure to theobromine and NaF 2% on surface enamel hardness after immersion in orange juice beverage has the same result.


2020 ◽  
Vol 33 (1) ◽  
pp. 68-88
Author(s):  
Abdulkareem M. Abd ◽  
Ibtihaj H.H. Altemimy ◽  
Hareth M.A. Altemimy

This study was conducted during the two growing seasons (2018 and 2019) in Date Palm Trees Station-Al-Hussinya District-Horticulture and, Department of Forestry, Ministry of Agriculture, Karbala Governorate. Two cultivars of date palm trees Zahdi and Khistawi were studied. The 27 palm trees for each cultivars were randomly selected, homogeneous in vegetative growth and similar in size and shape. The results showed that the Zahdi cultivar recorded a significant increase in the content of chlorophyll and proline which reached 0.939 mg.g-1 and 12.854. g-1, respectively. The Khistawi cultivar recorded a significant difference in the carbohydrate content of leaf which reached 9.564 µg.g-1 compared to Zahdi cultivar. The results were also showed that superiority of the concentration was 1 g. L-1. palm -1 in all studied characteristics. The study showed that in the concentration of 2 g. L-1. Palm-1 of disper osmotic had significant difference in the most of studied characteristics. Bilateral and triple inequalities have a significant moral effect in all studied characteristics.


2017 ◽  
Vol 8 (1) ◽  
pp. 63-71
Author(s):  
Yetri Elisya ◽  
Harpolia Cartika ◽  
Anindita Rizkiana

Palm date fruits (Phoenix dactylifera L) have been used for medical treatment, one of the medical purpose as antioxidant, which is the coumpound for free radical scavenging. In this study used palm juice makes with non sentrifuged method by grounds 200 grams of palm fruit with 20 ml of aquadest and store in room temperature. For date palm syrup used in this study were from certain brand distributed on the market. Antioxidant activity was testing by using DPPH method and determined by spectrophotometry Uv-Vis in wavelength 517nm, and Total Phenolic Content was testing by Folin Ciocalteu method and determined by spectrophotometry Uv-Vis in wavelength 774nm.11 sample of date palm syrup was sampling by purposive sampling methods and then got 2 sample to tested. Date Palm Juice were made by Non Cetrifuged methods. All sample were tested antioxidant activity using DPPH and Total Phenolic Content using Folin Ciocalteu. This study obtained that best operating time for all sample in antioxidant activity is 30 minutes with the highest point is Date Palm Juice 91,54%, Sample X for 86,93% and Sampel Y 89,92%. There was a linear correlation between with the result Total Phenolic Content for Date Palm Juice 9,25 mgGAE/g, Sample X 4,13 mgGAE/g and Sampel Y 4,28 mgGAE/g. Date Palm Juice and Date Palm Syrup could scavenge free radical DPPH in huge concentration and contain phenolic compound.


HortScience ◽  
1995 ◽  
Vol 30 (4) ◽  
pp. 875C-875
Author(s):  
Yousef I. Dlaigan ◽  
A.E. Said ◽  
M.A. El-Hamady

The effects of the physical state of nutrient media on the growth and elongation of excised date palm roots were investigated. Roots were cultured in a nutrient medium containing MS salts mixture, 1/2 modified White's organics, and (in mg–liter–1): NaH2PO4–H2O, 170; sucrose, 60,000; inositol, 40; adenine sulfate, 240; activated charcoal, 4000; 2,4-D, 1; kinetin, 2. pH was adjusted at 5.7 ± 0.1. Both agar and Gelrite were singly used as solidifying agents. Liquid media were either stationary or rotated on gyratory shakers at 70 to 80 rpm. The effects of incubation of cultured roots under light or dark conditions were also studied. Media pH and its effects on growth and elongation of cultured roots were tested at various ranges (3, 4, 5, 6, 7, 8, 9, 10). Trials were also made to determine the passage length for transfer and subculture of cultured roots to a newly prepared medium. Liquid media highly supported better growth and elongation of cultured roots compared to solidified media. There was no significant difference in growth or elongation between agar or Gelrite media. Shaking liquid medium resulted in significantly better growth and elongation compared to stationary medium. No difference was observed between dark- and light-incubated cultured roots. Cultured roots grew and elongated better at pH 7.0–8.0. No growth or elongation occurred at pH 9.0. Roots continued to grow and elongate even after 12 weeks in culture. Therefore, 10 to 12 weeks after culture was determined to be the optimum passage length for date palm root culture.


Author(s):  
Mohamed Marouf Aribi ◽  
Mustapha Khali ◽  
Lynda Boutekrabt

The aim of the study was to assess the chemical and biochemical composition of heat-treated dates palm fruits (Phoenix dactylifera L.) cultivated in Algeria and stored under Modified Atmosphere Packaging (MAP). In this research, fresh dates palm fruits at harvest (Phoenix dactylifera L.) have been subjected at heat treatment at 55 &plusmn; 2&deg;C for 20 min in a ventilated oven. The samples were packed in specific Polyethylene Terephthalate packaging (PET) bags with a thickness of 2.5 &mu;m under MAP condition. The effect of this heat treatment on date fruits quality was investigated during 5 months of storage at room temperature storage (22 &plusmn; 1&deg;C of temperature with 75 to 80% of relative humidity (RH), and 10 &plusmn; 1&deg;C with 85 to 90% of RH). Chemical and biochemical composition of the samples were studied. Results indicated that during storage the Brix degree, protein, and vitamin C content changed significantly (p&amp;lt;0.05). The major change was observed for lipid values varied from about 0.02 to 0.06% at 10&deg;C, and 0.04 to 0.07% at 22&deg;C for samples not heat-treated unpacked after 5 months of storage, these results represent a highly significant difference (p&amp;lt;0.01). Harvesting at Tamr stage followed by treating the fruits with heat disinfestation packed in MAP, and storing at 10 &plusmn; 1&deg;C showed to be a promising method for maintaining dates fruits storage quality.


2021 ◽  
Vol 34 (2) ◽  
pp. 10-28
Author(s):  
Haider I. Ali ◽  
Abdulkareem M Abed ◽  
Wafaa H. Khassaf

This study was conducted in one of the private orchards in the district of Abu Al-Khaseeb, Basrah province during the growing seasons 2017 - 2018 in order to examine the effect of spraying acidic whey, enzymatic whey and  magnetized and non-magnetized whey on date palm cultivars Phoenix dactylifera L. agricultural (yellow Shwithi and Al-Khdrawi). A Concentration of 100% of the whey was applied to the fruits. The results of the study showed the superiority of the yellow Shwithi and Al-Khdrawi regarding the Qualitative and Productive characteristics. There was a significant difference between the date palm cultivars regarding the length, diameter, the weight of fruit, dry matter, total and reduced sugars and fruit content of invertase enzyme were recorded 33.45 mm, 20.89 mm, 9.302 g, 37.685%, 50.28%, 36.09% and 2347 units/kg/ CO2. The spray treatment was characterized by enzymatic whey in most of the study treatments of fruit length, fruit weight, total sugars and invertase enzyme. It reached 34.55 mm, 9.883 g, 56.15% and 2005.3 units/kg/CO2. The results also showed the importance of bilateral interaction between the variety and spray treatment.


2019 ◽  
Vol 6 (2) ◽  
pp. 93-98
Author(s):  
Irfan Dwiandhono ◽  
Dian Noviyanti Agus Imam ◽  
Afiatul Mukaromah

Teeth have an aesthetic value because teeth which are clean, neat and white can increase self confidence. Staining or dental discoloration can disrupt the appearance and cause discomfort. The most common type of discoloration is extrinsic discoloration. Treatment that can be done to overcome extrinsic discoloration is extracoronal bleaching. One way to avoid the extracoronal bleaching side effects is application of remineralization materials. The recommended remineralization materials for post-bleaching are fluoride and phospho peptide-amorphous calcium phosphate (CPP-ACP). This research aims to know the effect of whey extract application and CPP-ACP on tooth enamel hardness after extracoronal bleaching. Experimental laboratory with pre- and post-test control design was performed on 24 first maxillary premolar which devided into 3 groups. On group I, specimens were immersed in artificial saliva. Specimen in group II were immersed in whey extract meanwhile specimens were immersed in CPP-ACP on group III. Whey extract and CPP-ACP immersions were conducted 10 minutes every 12 hours for 15 days. The enamel surface roughness test was performed twice, after extracoronal bleaching treatment and after 15 days remineralization agent application. This study result indicated significant differences between group I and group II and group III (p0,05), but there was no significant difference between group II and group III (p0,05). This study showed the enamel surface hardness after whey extract application is higher than CPP-ACP but difference was not significant statistically


2014 ◽  
Vol 43 (1) ◽  
pp. 62-67 ◽  
Author(s):  
AA Hossain ◽  
R Habib ◽  
MN Islam ◽  
MRH Rakib

This research was conducted to test the feasibility of using date palm(Phoenix dactylifera L.) brown sugar as an alternative to refined cane sugar in preparing sweet dahi. Quality assessment tests were conducted on four different types of dahi prepared by adding different levels of date palm brown sugar, such as 10% (A), 12% (B), 14% (C) and 12% refined cane sugar (D, as control). All the samples were analyzed for organoleptic, chemical and microbiological qualities. The scores for smell  and taste, body  and texture, color  and  appearance, and total scores for four types  of  dahi  samples showed significant differences at various levels (p<0.01 to p<0.05). It was found that scores for all the organoleptic parameters of sample B were the highest among the samples, whereas sample D obtained the lowest scores. Total viable count of bacteria and coliform count, and sugar content, ash content, and protein content were differed significantly (p<0.01). Contents for fat also showed significant difference (p<0.05), though dry matter content, % acidity, and pH value showed insignificant differences. It could be concluded that sample B (containing 12% date palm brown sugar) was the best in terms of organoleptic, chemical and microbiological qualities.DOI: http://dx.doi.org/10.3329/bjas.v43i1.19387 Bang. J. Anim. Sci. 2014. 43 (1): 62-67


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