scholarly journals Analysis of Vitamin C Content of Red Dragon Fruit (Hylocereus polyrhizuz) and White Dragon Fruit (Hylocereus undatus) in Storage with Different Temperatures and Times

2018 ◽  
Vol 5 (2) ◽  
pp. 249
Author(s):  
N. Putri Sumaryani ◽  
Anak Agung Istri Mirah Dharmadewi

This study was conducted to determine the temperature and storage time of the exact vitamin C content of red and white dragon fruit and the difference of vitamin C. The samples were taken from the plantation land in Ubud Andong Highway, Petulu, Gianyar Regency. Treated for 10 and 30 days with 2, 10, 20 and 300C temperature treatment with five repetitions using Completely Randomized Design Factorial pattern. Data obtained statistically using ANOVA (Analysis of Variance). The highest vitamin C content in red dragon fruit is 29.61 mg/ 100g temperature 100C for 10 days and the lowest is in 30 days storage with temperature 300C that is equal to 22,09 mg/ 100g. While the white dragon fruit content of vitamin C highest contained in storage with a temperature of 20C is 22.69 mg/ 100g with maximum storage of 10 days and the lowest at a temperature of 300C is 17.37 mg/ 100g.

Author(s):  
Agnes A Patty ◽  
Pamela Papilaya ◽  
Prelly Tuapattinaya

Background: The purpose of this study was to determine whether there is influence of temperature and storage time to vitamin A and vitamin C content in gandaria. Method: This study was an experimental study using Completely Randomized Design (RAL), with a combination of cold and room temperature treatments and storage duration (1, 4, 7, and 10 days). Each treatment was repeated three times. The parameters observed were vitamin A and vitamin C content of gandaria. Analysis of vitamin A and C content using UV-Vis Spectrophotometric method. The data obtained were analyzed with ANOVA and continued with Duncan Test. Results: The results showed that temperature and storage time had an effect on vitamin A and vitamin C content of gandaria. The highest decrease in vitamin A content was found in storage at room temperature for 10 days that was 21.69%, while in cold temperature only 15.36%. The content of vitamin C in gandaria stored at room temperature for 10 days decreased 35.05%, while in cold temperature only 21.03%. Conclusion: The longer the storage and the high temperature, the levels of vitamin A and vitamin C decreases.


2017 ◽  
Vol 5 (3) ◽  
pp. 80
Author(s):  
Mafrian Kris Maraja ◽  
Netty Salindeho ◽  
Jenki Pongoh

Imotilization of fish is one way of handling techniques by using low temperature (cooling). Cooling (cold chain) is applied to transport live fish so that the weight of the load during transportation could be reduced and fish do not experience stress during transportation. This technique is more advantageous when compared with the wet transportation system by using water. After the fish fainted, fish could be re-awakened by returning the fish to the pond with the aid of sufficient aeration to facilitate fish regain consciousness. This study aims to determine the rate of stunning, the speed of awareness, and mortality of nile tilapia fish which was treated and stored at different temperatures and times. This study used a factorial completely randomized design (RAL) with 2 treatments namely, storage method (A) treatment consisting of 2 storage levels (Temperature 10-12 ° C and 14-16 ° C); and storage time (B) consisting of 4 levels (2, 4, 6 and 8 hours). The optimum time of fainting fish is at a temperature of 14-16 ° C that is 8.19 min. For re-awakening, the optimum time is 48 seconds when fish was stored for 2 hours. The best mortality rate was achieved at storage temperature ± 14-16 ° C because after 6 hours storage the mortality rate was only 20.8%, but by the maximum storage (8 hours) the mortality has reached 87.5%, Meanwhile at a storage temperature of ± 10-12 ° C, the mortality has reached 50% after 6 hours and 100% at 8 hours.Pemingsanan ikan merupakan salah satu cara teknik penanganan dengan pengunaan suhu rendah (pendinginan). Pemingsanan dengan suhu rendah diaplikasikan untuk transportasi ikan hidup dengan tujuan mengurangi berat beban selama transportasi dan supaya ikan tidak mengalami stress selama transportasi. Teknik ini lebih menguntungkan jika dibandingkan dengan transportasi sistem basah dengan menggunakan air. Setelah dipingsankan ikan kembali disadarkan dengan mengembalikan ikan ke kolam air habitatnya dengan dibantu aerasi yang cukup agar ikan kembali sadar. Penelitian ini bertujuan untuk mengetahui kecepatan pemingsanan, kecepatan penyadaran, dan mortalitas ikan nila yang dipingsankan dan disimpan pada suhu dan waktu berbeda. Penelitian ini menggunakan rancangan acak lengkap (RAL) faktorial dengan 2 perlakuan yaitu, perlakuan metode penyimpanan (A) yang terdiri atas 2 taraf penyimpanan (Suhu 10–12°C dan 14–16°C); perlakuan lama penyimpanan (B) yang terdiri atas 4 taraf (2, 4, 6 dan 8 jam). Waktu optimum kecepatan pingsan adalah pada suhu 14–16°C yaitu 8,19. Untuk penyadaran kembali, waktu optimumnya adalah 48 detik, pada ikan nili yng disimpan 2 jam. Pada penyimpanan suhu ±14-16°C didapat tingkat mortalitas terbaik karena sampai penyimpanan 6 jam tingkat mortalitasnya hanya 20,8%, namun sampai penyimpanan maksimum ( 8 jam) sudah mencapai 87,5%, sedangkan pada suhu penyimpanan ±10-12°C , setelah 6 jam mortalitasnya sudah mencapai 50% dan saat 8 jam tingkat mortalitasnya sudah mencapai 100%.


2021 ◽  
Vol 9 (3) ◽  
pp. 151-157
Author(s):  
A. Apriantini ◽  
S. Adinata ◽  
Y. C. Endrawati

Duck meat is a perishable food that has a short shelf-life. Therefore, packaging is needed to be used tomaintain duck meat quality during storage, one of the ways to extend shelf-life of duck meat is usingpropolis extract as edible coating which is contained antioxidant substances which can be used to extendduring storage. The aim of this research was to analyze the effect of propolis extract as an edible coatingmaterial on duck meat to maintain the quality and extend shelf-life of duck meat at room temperature.The research was used a completely randomized design (CRD) factorial 4x3 with 3 replications,consisting of 4 propolis concentrations (0.0%, 0.5%, 1.0%, 1.5%) and 3 storage times (0 hours, 6 hoursand 24 hours). Duck meats coated with propolis extracts had a significant effect on the water content andantioxidant activity of duck meat (P < 0.05). The storage time had a significant effect on the pH valueand the cooking loss of duck meat (P <0.05). The addition of propolis extract and storage time had asignificant effect on the pH value, cooking loss and antioxidant activity of duck meat (P <0.05).


2017 ◽  
Vol 1 (1) ◽  
pp. 1
Author(s):  
Zainal Berlian ◽  
Elfira Rosa Pane ◽  
Sri Hartati

The use of formalin increasingly widely circulated among sellers tahu, because nature tahu easily broken then the sellers know much use out using formalin. Turmeric has active compounds that issaponin. It can be used to minimize the presence of formaldehyde in tahu This study used tahu immersed in 5% formalin solution added a solution of turmeric. The research carried on in the Laboratory of the Polytechnic Palembang Health Nutrition Department. Determination of formaldehyde using a spectrophotometer test. The study used a completely randomized design (CRD) with a model of Factorial three factors, namely soaking treatment (60 minutes, 75 minutes, 90 minutes) giving a solution of Turmeric (0 %, 10 %, 15 %, 20 %) and storage factor (0, 24, 48, 72 hours). The parameters used are formaldehyde levels and organoleptic test. These results indicate that treatment of soaking time did not significantly affect the levels of formaldehyde in tahu that F count -0.022 smaller than F table 6.94. Treatment addition of turmeric solution concentration does not significantly affect the levels of formaldehyde at 0.864 tahu that F count is smaller than F table 3.16. The storage time treatment also did not significantly affect the levels of formaldehyde in tahu that F count -11.16 smaller than 2.73. However, the interaction between the immersion treatment, turmeric solution concentration and storage time significantly affect the levels of formaldehyde in the tahu, namely 282.16 F count larger than F table 1.75. And the results of organoleptic able to change the texture of aroma and color in tahu with decreasing levels of formaldehyde in tahu. In this study, formaldehyde levels lowest in 90 minutes soaking treatment, the concentration of 20 % deposit 72 hours .


bionature ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Syuhriatin Syuhriatin

Abstract. This research is a type of experimental research carried out in a laboratory with the aim of knowing a symptom or effect that arises as a result of certain treatments. The research was conducted at the Immunobiology Laboratory, Faculty of Mathematics and Natural Sciences, Mataram University. The material used in the study was 1 male Bali cow, about 3.5 years old with a cow weight of 460 kg, which the semen was collected using an artificial vagina. The experimental design used in this study was a completely randomized design which was arranged in a factorial design consisting of 3 (three) factors. The first factor is the difference in layer (L) which consists of 2 (two) levels, namely the Upper Layer (LA) and the Lower Layer (LB). The second factor is the concentration of tomato lycopene (P) consisting of 5 (five) levels, namely: 0% (P0), 5% (P1), 10% (P2), 15% (P3) and 20% (P4). The third factor is storage time (H) which consists of 6 (six factors), namely 1 day (H1), 2 days (H2), 3 days (H3), 4 days (H4), 5 days (H5) and 6 days. (H6). The three factors combined to produce 60 treatment combinations, each treatment combination was repeated 6 (six) times so that there were 360 experimental units. The results of the analysis of variance showed that the addition of the tomato fruit lycopene antioxidant and the separation by the swim up method had no significant effect (P> 0.05) on the normality and abnormality of spermatozoa. The addition of tomato fruit lycopene antioxidants and the separation using the swim up method did not have an effect on increasing spermatozoa abnormalities, but did not have a negative effect on the spermatozoa of bali cattle.Keywords: antioxidant, tomato fruit, spermatozoa, bali cow


2016 ◽  
Vol 18 (2) ◽  
pp. 113
Author(s):  
Putri Dian Wulansari ◽  
Andri Kusmayadi

This research was aimed to evaluate the composition (total solids, water content, fat and protein), qualitative properties (color, aroma, and texture) and quantitative properties (free fatty acid and lactic acid) of cow milk yogurt with different fruits addition and storage time. Experimental method applied Completely Randomized Design with five treatments namely control, dragon fruit, mango, apple and banana (20% v/v), each with 5 replicates. Qualitative characteristic assessment was conducted on 0, 5, 10 and 15 days of storage. Result showed that fruit addition significantly affected the composition and characteristics, while storage time significantly affected quantitative characteristics of yogurt. Apple and banana increased 13% total solids of plain yogurt, while the highest fat content (4,516%) was observed in control yogurt which had the lowest protein content (2,564). The highest free fatty acid  was in control yogurt ripen for 15 days (22,885%) while the lowest free fatty acid was in mango yogurt ripen for 10 days (13,915%). Fruit addition in yogurt ripen for 15 days at 5C resulted in a safe consumed product. 


2021 ◽  
Vol 21 (2) ◽  
pp. 374-382
Author(s):  
Suriana Laga ◽  
Saiman Sutanto ◽  
Fatmawati Fatmawati ◽  
Abd. Halik ◽  
Aylee Christine Alamsyah Sheyoputri

Masalah yang sering muncul  pada buah-buahan adalah adalah cepatnya mengalami kerusakan karena proses respirasi dan transpirasi sehingga akan memperpendek umur simpan. Salah satu upaya memperpanjang kesegaran buah Kelengkeng dengan pemakaian Edible Coating.  Penelitian ini bertujuan untuk mengetahui kemampuan Edible Coating sebagai pengemas buah Kelengkeng selama penyimpanan. Perlakuan penelitian terdiri atas aplikasi Edible Coating (Kontrol) dan lama penyimpanan (1 hari, 2 hari, 3 hari, 4 hari, 5 hari dan 6 hari). Parameter yang diamati adalah susut berat, kadar air dan warna. Rancangan percobaan yang digunakan adalah rancangan acak lengkap pola faktorial dengan dua kali ulangan. Pengaruh perlakuan aplikasi Edible Coating dan lama penyimpanan berpengaruh sangat nyata terhadap susut berat, kadar air dan warna buah Kelengkeng. Penggunaan Edible Coating sebagai pelapis mampu mengurangi susut berat buah Kelengkeng, mempertahankan kadar air dan warna buah Kelengkeng selama penyimpanan. The problem that often arises in fruits is that they are quickly damaged due to the respiration and transpiration processes so that they will shorten their shelf life. One of the efforts to extend the freshness of Longan fruit is by using Edible Coating. This study aims to determine the ability of Edible Coating as a packaging for longan fruit during storage. The research treatment consisted of Edible Coating application (Control) and storage time (1 day, 2 days, 3 days, 4 days, 5 days and 6 days). Parameters observed were weight loss, moisture content and color. The experimental design used was a completely randomized design with a factorial pattern with two replications. The effect of Edible Coating application treatment and storage time had a very significant effect on weight loss, moisture content and color of Longan fruit. The use of Edible Coating as a coating is able to reduce the weight loss of longan fruit, maintain water content and color of longan fruit during storage


Pro Food ◽  
2019 ◽  
Vol 5 (1) ◽  
pp. 414
Author(s):  
Khurfatul Jannah ◽  
Afe Dwiani ◽  
Suburi Rahman

ABSTRACT Red dragon fruit are a fruit that have a high antioxidants while banana are fruits that have a high carbohydrate and dietary fiber. Fruits are easy to spoil because of their properties are perishable and the way to increase shelf life is by processing it into fruit leather. Fruit leather is a snack that made from fruit and dried so they have a plastic and chewy texture. Besides that, processing fruit can also diversified fruit processing product. The aims of this research was to determine the best combination of red dragon fruit with banana in making fruit leather. The method that used in this study was a completely randomized design (CRD) with a single factor, consisting 5 treatment P1 = dragon fruit 100%: banana 0%; P2 = dragon fruit 75%: banana 25%; P3 = dragon fruit 50%: banana 50%; P4 = dragon fruit 25%: banana 75% and P5 = dragon fruit 0%: banana 100% with 3 times repetitions. The data of the research were analyzed using Analysis of Variance at alpha 5% using SPSS 16 and tested continued using the test of Honest Real Difference (HRD) if there was real difference. The results showed that processing of fruit leather from mixture of red dragon fruit and bananas gave a significantly difference effect on chemical quality (moisture content and vitamin C) but gave not significant effect on ash content. Fruit leather with a mixture of red dragon fruit and banana that suitable with SNI No. 1718-83 for moisture content (<25%) are treatments P1, P4 and P5, respectively 24.24%; 21.8% and 23.30%. The highest vitamin C was produced in treatment P1, which was 84.07 mg/g. Keywords: dragon fruit, fruit leather, bananaABSTRAKBuah naga merah merupakan buah yang memiliki kandungan antioksidan yang tinggi, sedangkan buah pisang merupakan buah yang mengandung karbohidrat dan serat tinggi. Buah mudah mengalami kerusakan dan cara yang digunakan untuk meningkatkan masa simpannya adalah dengan cara mengolahnya menjadi Fruit Leather. Fruit leather merupakan makanan yang berasal dari buah yang dihancurkan dan dikeringkan dengan tekstur plastik dan kenyal serta rasa yang manis. Selain itu pengolahan juga dapat menganekaragamkan produk olahan buah-buahan. Penelitian ini bertujuan untuk mengetahui kombinasi terbaik dari buah naga merah dengan pisang kepok dalam pembuatan fruit leather. Metode yang digunakan dalam penelitian ini adalah rancangan acak lengkap dengan faktor tunggal yaitu konsentrasi buah naga merah dan pisang kepok (P1= buah naga 100%: pisang kepok 0%; P2= buah naga 75%:pisang kepok 25%; P3= buah naga 50%:pisang kepok 50%; P4= buah naga 25%:pisang kepok 75% dan P5= buah naga 0%:pisang kepok 100%) dengan 3 kali ulangan. Parameter yang diamati dalam penelitian ini adalah kadar kimia yang meliputi kadar air, kadar abu dan kadar vitamin C. Data hasil penelitian dianalisis menggunakan analisis keragaman (Analysis of Variance) pada taraf nyata 5% dengan menggunakan SPSS 16 dan apabila terdapat beda nyata dilakukan uji lanjut dengan Uji Beda Nyata Jujur (BNJ). Hasil penelitian menunjukkan bahwa perlakuan penambahan buah naga merah dan pisang kepok berpengaruh terhadap kadar air dan kadar vitamin C. Fruit leather dengan campuran buah naga merah dan pisang kepok yang memenuhi standar SNI No. 1718-83 untuk kadar air (<25%) adalah perlakuan P1, P4 dan P5 berturut-turut sejumlah 24,24%; 21,8% dan 23,30%. Kadar vitamin C tertinggi dihasilkan pada perlakuan P1 yaitu 84,07mg/g.Keywords: fruit leather, buah naga, pisang kepok, air, abu, vitamin C


2019 ◽  
Vol 1 (1) ◽  
pp. 19-25
Author(s):  
Syamsuddin syamsuddin Syamsuddin ◽  
Effendi Abustam ◽  
Lellah Rahim

This present work investigated physical change and storability of buffalo meatball after treated with different levels of liquid smoke and storage time. Completely randomized design consisting of 2 factors (liquid smoke levels: 0, 1, 2%; storage time: 0, 1, 2, 3 weeks) was arranged, with 3 replications. Analysis of variance was employed to evaluate data, followed with LSD test. The results showed that liquid smoke could reduce shear force of meatball and TPC, but increase rancidity. Meanwhile, all parameters studied (shear force, TPC, and rancidity) tended to be lower along with storage time. In addition, both factors seemed to exhibit similar response oto shear force and TPC. In conclusion, the addition of liquid smoke 2% and storage time of 1 week resulted in the most desirable effect on buffalo meatball.  


2018 ◽  
Vol 9 (1) ◽  
pp. 112
Author(s):  
Luzia Caroline Ramos dos Reis ◽  
Ester Alice Ferreira ◽  
Heloisa Helena Siqueira Elias ◽  
Eduardo Valerio Vilas Boas ◽  
Alessandro De Oliveira Rios

This study aimed to evaluate the effect of refrigeration and the storage time of fresh and minimally processed tangerine 'Dekopon' seeking to increase its useful life for marketing. In experiment 1, the harvested fruit were stored in temperatures of 4, 8 and 12 °C and analyzed in 0, 5 and 10 days. In experiment 2, the fruit were minimally processed and storage at temperatures of 4, 8 and 12 °C and analyzed 0, 3, 6, 9 and 12 days. The analysis of the evaluated data were weight loss, pH, total soluble solids (TSS), titratable acidity (TA), ratio TSS:TA, Vitamin C and color parameters. The results for experiment 1 showed that in general, day 0 presented higher values of physicochemical parameters and day 5 at 8 °C presented higher concentration of vitamin C. For experiment 2, in the minimally processed fruit, day 3 demonstrated more retention of physicochemical parameters, except for mass loss and day 12 at 4 °C resulted in a higher content of vitamin C.


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