scholarly journals The Influence of Alginate and CaCl2 concentration Towards Betacyanin content and Antioxidant Activity of Red Dragon Fruit (Hylocereus Polyrhizus) restructuring product

2017 ◽  
Vol 2 (2) ◽  
pp. 158
Author(s):  
Wira Wanti Bangalino ◽  
Lydia Ninan Lestario ◽  
Cucun Alep Riyanto

<p style="text-align: justify;">The purpose of this study was to determine the effect of alginate and CaCl2 concentration of antioxidant activity and betacyanin content of restructuring product of red dragon fruit, and to determine the best formulation of the product restructuring that produces antioxidant activity and the content of the highest betacyanin on product restructuring. Data were analyzed by 4x2 Factorial Design and Randomized Completely Block Design (RCBD) with 4 replications. As the first factor is the alginate concentration which are 2 %, 3 %, 4 % and 5 %. The second factors are calcium cloride (CaCl2 ) 0.5 % and 0.75 %, while as the block is the time analysis. To test the differences between treatments means, the Honestly Significant of Differences (HSD) were used at 5% level of significant.The results showed that the higher concentrations of alginate and CaCl2 causes declining content of antioxidant activity and betacyanin, the best results are obtained is at a concentration of 2% alginate and CaCl2 0.5% with betacyanin levels 0.537 ± 0.062 mg/g dry weight basis and 0.132 ± 0.011 mg / g wet weight basis. The antioxidant activity of H. polyrhyzus restructuring amounted to 77.452% ± 0.624. ©2016 JNSMR UIN Walisongo. All rights reserved.</p>

Author(s):  
Wiwit Sanjaya ◽  
Dian Indratmi ◽  
Sufianto Sufianto

This study aims to determine the response of the growth of red dragon fruit stem cuttings (Hylocereus polyrhizus) with the treatment of various plant extracts and dosage of goat manure. This research was conducted in experimental garden of UMM. This research was conducted from October 2017 until January 2018. The study used a randomized block design, which was repeated 3 times with 2 factors. Factor 1 is a kind of plant extract and factor 2 is the dosage of manure. Factor 1 consists of 4 level, while factor 2 that consists of 3 level. Observation parameters include: Shoots, shoot number, shoot length, root length, root number, total wet weight, shoot dry weight, wet root weight, and root dry weight. The results showed that the treatment of green bean sprout extract and dose 187.5 g / polybag showed the best result on the number of shoot and wet weight of cuttings. Treatment of green bean sprout extract showed relatively good results. Treatment of fertilizer doses of 187.5 g / polybag showed relatively good results.


1954 ◽  
Vol 37 (3) ◽  
pp. 381-399 ◽  
Author(s):  
Ruth Hubbard

The sedimentation behavior of aqueous solutions of digitonin and of cattle rhodopsin in digitonin has been examined in the ultracentrifuge. In confirmation of earlier work, digitonin was found to sediment as a micelle (D-1) with an s20 of about 6.35 Svedberg units, and containing at least 60 molecules. The rhodopsin solutions sediment as a stoichiometric complex of rhodopsin with digitonin (RD-1) with an s20 of about 9.77 Svedberg units. The s20 of the RD-1 micelle is constant between pH 6.3 and 9.6, and in the presence of excess digitonin. RD-1 travels as a single boundary also in the electrophoresis apparatus at pH 8.5, and on filter paper at pH 8.0. The molecular weight of the RD-1 micelle lies between 260,000 and 290,000. Of this, only about 40,000 gm. are due to rhodopsin; the rest is digitonin (180 to 200 moles). Comparison of the relative concentrations of RD-1 and retinene in solutions of rhodopsin-digitonin shows that RD-1 contains only one retinene equivalent. It can therefore contain only one molecule of rhodopsin with a molecular weight of about 40,000. Cattle rhodopsin therefore contains only one chromophore consisting of a single molecule of retinene. It is likely that frog rhodopsin has a similar molecular weight and also contains only one chromophore per molecule. The molar extinction coefficient of rhodopsin is therefore identical with the extinction coefficient per mole of retinene (40,600 cm.2 per mole) and the E(1 per cent, 1 cm., 500 mµ) has a value of about 10. Rhodopsin constitutes about 14 per cent of the dry weight, and 3.7 per cent of the wet weight of cattle outer limbs. This corresponds to about 4.2 x 106 molecules of rhodopsin per outer limb. The rhodopsin content of frog outer limbs is considerably higher: about 35 per cent of the dry weight, and 10 per cent of the wet weight, corresponding to about 2.1 x 109 molecules per outer limb. Thus the frog outer limb contains about five hundred times as much rhodopsin as the cattle outer limb. But the relative volumes of these structures are such that the ratio of concentrations is only about 2.5 to 1 on a weight basis. Rhodopsin accounts for at least one-fifth of the total protein of the cattle outer limb; for the frog, this value must be higher. The extinction (K500) along its axis is about 0.037 cm.2 for the cattle outer limb, and about 0.50 cm.2 for the frog outer limb.


Author(s):  
Sri Wahdaningsih ◽  
Subagus Wahyuono ◽  
Sugeng Riyanto ◽  
Retno Murwanti

  Objective: Indonesia is a country which has various natural resources including medicinal plants. Among the plants, red dragon fruit is interesting to be studied. In this study, antioxidant activity of red dragon fruit peel (Hylocereus polyrhizus (F.A.C. Weber) Britton and Rose) isolate was tested using 2,2-diphenyl-1-picrylhydrazyl method.Methods: Isolation of active compounds was performed through the application of vacuum liquid chromatography and preparative thin-layer chromatography (TLC). Antioxidant activity was tested using both TLC and spectrophotometry.Result: Results revealed that the values of IC50 of isolate 1 and 2 were 2.952, 14 μg/mL and 25.635,95 μg/mL, respectively.Conclusion: Isolate of dragon fruit has antioxidant activity. The compound which results in antioxidant activity is terpenoid and steroid.


2021 ◽  
Vol 8 (2) ◽  
pp. 62
Author(s):  
Nurul Aini ◽  
Dody Handito ◽  
Siska Cicilia

This study aims to determine the concentration of starfruit juice and dragon fruit peel on the quality of jam. The experimental design used was a one-factor Randomized Block Design (RAK) with six treatments and three replications to obtain 18 samples. The treatments were the concentration of starfruit juice and dragon fruit peel extract with P1 (100% : 0%), P2 (85% : 15%), P3 (70% : 15%), P4 (55% : 45%), P5 ( 40% : 60%) and P6 (25% : 75%). Parameters observed were vitamin C levels, antioxidant activity, spread, and color as well as sensory tests (color, aroma, and taste). Data analysis results were tested by analysis of variance at a significance level of 5% using Co-Stat software. If there is a significant difference, then the orthogonal polynomial further test is carried out, while the physical and sensory tests are further tested using the Honest Significant Difference test at a significance level of 5%. The results showed that the concentration of star fruit juice and dragon fruit pulp did not have a different effect on vitamin C levels but had a significantly different effect on antioxidant activity, spread, and color. P6 treatment resulted in the highest antioxidant activity of 77.27%, 12.80 mg of vitamin C content, 10.1 cm of smearing power, and sensory properties that were acceptable to the panelists.


2020 ◽  
pp. 109-119
Author(s):  
Retno Ayu Diah Pangestu ◽  
M. Tahir ◽  
Fatahillah Fatahillah

Patchouli (Pogostemon cablin Benth) is a plant that produces essential oils and important foreign exchange earner for Indonesia. Using superior clones  with the right fertilizer application will increase the yield of patchouli oil. The research aims to obtain patchouli plants that have the best response of urea fertilization application and optimum dosage of urea for patchouli plant growth. The study was conducted at the Politeknik Negeri lampung’s teaching farm in December 2018 until May 2019. The experiment was conducted using a factorial randomized block design (RBD), consisting of two treatment factors, namely the type of urea clone. The first factor is the type of clone consisting of 2 levels, namely NPL 9 clone and Lhokseumawe clone. The second factor is the treatment of urea doses consisting of 4 levels, namely control, 250 kg.ha-1, 300 kg.ha-1, and 350 kg.ha-1. Variables observed included plant’s height, bough, diameter, number of leaves, stalk angle, chlorophyll content, wet weight of plant, wind dry weight of plant, and yield. The results of research showed  NPL 9 clone had a superior appearance and 350 kg.ha-1 of urea dose  was the optimal dose compared to other doses and could increase patchouli yield 2,3% compared to the control treatment.


Nabatia ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Andy Pradana ◽  
Al Machfudz WDP

This study aims to determine the application of potassium fertilizer and chicken manure to the growth and production of shallots (Allium ascalanicum L.). The study used a randomized block design with 2 factors repeated 3 times. Factor 1: Potassium Fertilizer 40,60,80 kg/ha. Factor 2: Chicken Manure 5,10,15 tons/ha. The results showed that the application of potassium fertilizer and chicken manure did not interact with either the growth phase or the production phase of the plant on all observation variables, while the potassium fertilizer treatment showed significantly different results only on the plant vegetative growth parameters, namely the number of leaves at the age of 7 days after planting, namely ( 8,111 strands), while the vegetative phase had no significant effect on the number of tubers per clump, wet weight of tubers per clump, wet weight of tubers per plot, dry weight of sun-dried tubers per clump, and dry weight of sun-dried tubers per plot. While the treatment of chicken manure had a significant effect on the vegetative growth phase of plants, namely the length of plants at 28 DAP (30.278 cm) and 35 DAP (32.704 cm), on the number of leaves at 7 DAP (8,000 strands). While the generative phase (60 DAP) significantly affected the number of tubers per clump, namely (5,889 grams), wet weight of tubers per clump (38,333 grams), wet weight of tubers per plot (319,000 grams), dry weight of sun-dried tubers per clump. namely (23.074 grams), and the dry weight of sun-dried tubers per plot (191.889 grams).


2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
Marcela Hernández-Ortega ◽  
Alicia Ortiz-Moreno ◽  
María Dolores Hernández-Navarro ◽  
Germán Chamorro-Cevallos ◽  
Lidia Dorantes-Alvarez ◽  
...  

Carotenoids extracted from dried peppers were evaluated for their antioxidant, analgesic, and anti-inflammatory activities. Peppers had a substantial carotenoid content: guajillo3406±4 μg/g, pasilla2933±1 μg/g, and ancho1437±6 μg/g of sample in dry weight basis. A complex mixture of carotenoids was discovered in each pepper extract. The TLC analysis revealed the presence of chlorophylls in the pigment extract from pasilla and ancho peppers. Guajillo pepper carotenoid extracts exhibited good antioxidant activity and had the best scavenging capacity for the DPPH+cation (24.2%). They also exhibited significant peripheral analgesic activity at 5, 20, and 80 mg/kg and induced central analgesia at 80 mg/kg. The results suggest that the carotenoids in dried guajillo peppers have significant analgesic and anti-inflammatory benefits and could be useful for pain and inflammation relief.


1973 ◽  
Vol 19 (4) ◽  
pp. 429-430 ◽  
Author(s):  
Eva Horak ◽  
F William Sunderman

Abstract Nickel was measured by atomic absorption spectrometry in three-day collections of feces from healthy hospital workers (age 22-65) who had lived for more than a year in Hartford, Connecticut. None of the 10 subjects (4/♂ , 6/♀.) had occupational exposure to nickel. Fecal nickel averaged 3.3 µg/g (wet weight); SD, ±0.8; and range, 2.1 to 4.4 µg/g. Corresponding figures on a dry-weight basis were 14.2 µg/g; SD, ±2.7; and range, 10.8 to 18.7 µg/g. The fecal excretion of nickel averaged 258 µg/day (SD, ±126; range, 80 to 540 µg/day). Fecal excretion is evidently the major route for elimination of nickel from the human body. Comprehensive evaluations of environmental or occupational exposures to nickel should also include analyses of nickel in serum, urine, and hair.


2018 ◽  
Vol 3 (1) ◽  
pp. 17
Author(s):  
Wagino Wagino ◽  
Sri Murti Tarigan ◽  
Eka Bobby Febrianto

<p>Global climate exchange especially rainfallspurs the growth of oil palm adapt to environmental conditions, so the development of oil palm plantations requires seeds that are able to adapt well in drought conditions.This study aims to determine whether water stress affects the growth of oil palm seedlings and sees the response of the level of resistance of oil palm seeds to drought stress.This research was carried out in the greenhouse garden experiment Medan STIPAP was conducted from January to June 2018. This study used Non-factorial Randomized Block Design (RBD), which consisted of 3 levels, 3 samples and 3 replications. Parameters to be observed were plant height, stem base diameter, leaf number, root wet weight, root dry weight, plant wet weight, plant dry weight, root volume, root length, stomatal density and number of stomata.The results showed that the difference in giving A1 water (100%) was significantly different from A2 (60%) and A3 (20%) on the parameters of oil palm seedling growth especially for the parameters of plant height, root wet weight, root dry weight, plant wet weight, plant dry weight, root volume, and root length while the base diameter of the stem, number of leaves, stomatal density and number of stomata give no significant effect. Drought stress effected to reduce the growth of stem diameter.</p>


2021 ◽  
Vol 883 (1) ◽  
pp. 012015
Author(s):  
C I Wahyudin ◽  
A S Mahulette ◽  
V L Tanasale ◽  
D A Marasabessy ◽  
N Goo ◽  
...  

Abstract The objective of this study was to determine the effect of drip irrigation and biological organic fertilizer treatment on oil palm growth. This study used a randomized complete block design with 3 replications. This research consisted of three experiments, namely drip irrigation, planting media composition, and cow urine dose on the growth of oil palm seedlings. There are three levels of drip irrigation, namely 30 minutes, 60 minutes and 90 minutes. Experiments on the type of planting media composition consisted of two types, namely M1 (ultisol soil + husk charcoal + fern fertilizer) and M2 (ultisol soil + empty bunches + goat manure). The cow urine experiment consisted of three levels, namely 100 ml, 150 ml, 300 ml. The results showed that giving water for 30 minutes gave the best results on stem circumference, plant height increase, plant dry weight increase, plant wet weight increase in oil palm seedlings. M1 media (ultisol soil + husk charcoal + fern fertilizer) had a significant effect on the increase in plant height, wet weight and dry weight of oil palm seedlings. Treatment of 150 ml cow urine liquid fertilizer is sufficient for the needs of oil palm seedlings with a response that is not different from 200 ml of cow urine.


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