scholarly journals PENGARUH PENAMBAHAN SERBUK DAUN STEVIA DAN PEKTIN DAUN CINCAU HIJAU TERHADAP SIFAT FISIK, KIMIA, DAN ORGANOLEPTIK SELAI BUAH NAGA MERAH

2021 ◽  
Vol 4 (1) ◽  
pp. 66-81
Author(s):  
Verta Hedyana ◽  
Mochammad Wachid ◽  
Noor Harini
Keyword(s):  
Water Content ◽  
Block Design ◽  
Color Intensity ◽  
Acid Addition ◽  
Randomized Block Design ◽  
Dragon Fruit ◽  
Leaf Powder ◽  
Total Dissolved Solid

Dragon fruit can be processed into a jam with sugar, pectin, and acid addition. Pectin can be extracted from natural ingredient such as green grass jelly leaf. Stevia leaf powder can be added to a jam as natural sweetener. This study used factorial randomized block design with 3 levels concentration of pectin (0.75%, 1%, 1.25%) and 3 levels concentration of stevia powder (0.5%, 0.75%, 1%). The analyzed parameter such as water content, pH, spreadability, color intensity, total dissolved solid, and organoleptics. Based on the result, there was an interaction between the pectin concentration of green grass jelly leaves and the concentration of stevia leaves on texture and colour of dragon fruit jam.

scholarly journals Pengaruh fortifikasi ekstrak kulit buah naga super merah (Hylocereus costaricensis) terhadap kandungan antioksidan tape singkong kuning (Manihot utilissima Pohl)

2020 ◽  
Vol 11 (1) ◽  
pp. 52-65
Author(s):  
Ni’matusyukriyah Ni’matusyukriyah ◽  
Muh. Aniar Hari Swasono
Keyword(s):  
Antioxidant Activity ◽  
Block Design ◽  
Nutrient Content ◽  
Color Intensity ◽  
Test Analysis ◽  
Organoleptic Test ◽  
The People ◽  
Randomized Block Design ◽  
Dragon Fruit ◽  
Effectiveness Index

The super red dragon fruit peels waste that is under utilized by the people and prefers to be thrown away, has a lot of nutrient content over the fruit flesh, and the decline in people's interest in fermented cassava causes the loss of cassava farmers. Therefore, it is necessary to do research on the innovation of fermented cassava which also adds value to the nutritional content. This study aims to determine the effect of the addition of super red dragon fruit peels percentage and the addition of yeast percentage to antioxidant activity. The method used in the study of the manufacture of antioxidant fortified yellow cassava using factorial Randomized Block Design (RBD) consisting of 2 factors, the first factor consists of 3 levels and the second factor consists of 3. Of the two factors obtained 6 combinations of treatments. Each treatment was repeated three times, so that 18 treatment combinations were obtained. Tests carried out include physicochemical tests (antioxidant activity, pH, color intensity) and organoleptic tests (color, aroma, taste and texture). Analysis of physicochemical test using ANOVA. If it is significantly different, then it is followed by the Tukey method and to find the best treatment according to physicochemical parameters using the Zelleny method. Organoleptic test analysis uses the Friedman test and to find the best treatment according to organoleptic parameters using Effectiveness Index. The results of this study indicate that the combination treatment of the addition of super red dragon fruit peels by 30% w/v and the percentage yeast of 0.4% w/w is the best results according to physicochemical test parameters with the following characteristics: DPPH% Inhibition (83.115%), pH (4.53), L color intensity (50.2), Color intensity a + (47.7), Color intensity b + (12,32). The best treatment organoleptic test was obtained from a combination of treatment the percentage of the addition of super red dragon fruit peels by 30% b / v and the percentage of yeast 0.4% b / b provided that the average color organoleptic test score was 3.97 (likes), flavor 3 , 77 (likes), texture 2.77 (enough), taste 3.5 (likes).

Stem Cold Hardiness, Leaf Heat Tolerance, Growth, and Performance of Six Japanese Maples (Acer palmatum) in Northern Illinois

HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 512e-512
Author(s):  
A.M. Shirazi
Keyword(s):  
Water Content ◽  
Heat Tolerance ◽  
Cold Hardiness ◽  
Block Design ◽  
Leaf Tissue ◽  
Ion Leakage ◽  
Randomized Block Design ◽  
Leaf Tissues ◽  
Artificial Freezing ◽  
And Performance

Six different Japanese Maples (Acer palmatum) cultivars `Water Fall', `Burgundy Lace', `Crimson Queen', `Oshio-Beni', `SangoKaKu', and `Bloodgood' from Monrovia Nursery were planted in a randomized block design on 4 June 1997 at the The Morton Arboretum. Leaf heat tolerance was evaluated by measuring ion leakage of the leaf tissue at 25–60 °C in July, Aug., and Sept. 1997. The LT50 (the temperature at which 50% of the tissues were injured) of all the cultivars were higher in July (≈53 °C) and were lower in September (≈47 °C). Water content of the leaf tissues were higher in July compare to August and September and were not related to heat tolerance of most cultivars. Stem cold hardiness was performed by artificial freezing tests in Oct., Dec., and Feb. 1997/98. The Lowest Survival Temperature (LST) for the most hardy to least hardy cultivars in October and December were: `Burgundy Lace' (–15, –27 °C), `Bloodgood' (–18, –24 °C), `Oshio-Beni' (–15, –24 °C), `Crimson Queen' (–15, –18 °C), `Water Fall' (–9, –18 °C) and `SangoKaKu' (–9, –12 °C), respectively. Growth, dormancy development, spring budbreak and performance of these cultivars will be compared.

scholarly journals The Effectiveness Test of Application Anthocyanin’s Extract in Fruit Jam From Several Biological

2019 ◽  
Vol 1 (1) ◽  
pp. 20
Author(s):  
Elfi Anis Saati ◽  
Hilwa Heidir ◽  
Moch. Wachid ◽  
Sri Winarsih ◽  
Abd. Haris ◽  
...  
Keyword(s):  
Block Design ◽  
Sugar Content ◽  
Anthocyanin Pigment ◽  
Randomized Block Design ◽  
Factor Ii ◽  
Dragon Fruit ◽  
Two Factors

The study is to investigate the effectiveness of several anthocyanins on quality of papaya jam. It was conducted using a randomized block design, arranged with two factors. The first factor is the anthocyanin with different source with several levels that of control (without pigment), canna flower, grape and skins dragon fruit, factor II is sugar content which is 40%, 50%, and 60%. The results of the study, indicating that there is significant to increase quality products. The best treatment is papaya jam with canna flower anthocyanin pigment and 60% sugar.

scholarly journals PEMANFAATAN EKSTRAK BELIMBING WULUH DAN EKSTRAK KULIT BUAH NAGA DALAM PEMBUATAN SELAI

2021 ◽  
Vol 8 (2) ◽  
pp. 62
Author(s):  
Nurul Aini ◽  
Dody Handito ◽  
Siska Cicilia
Keyword(s):  
Antioxidant Activity ◽  
Vitamin C ◽  
Block Design ◽  
Fruit Peel ◽  
Significance Level ◽  
Randomized Block Design ◽  
Dragon Fruit ◽  
Significant Difference ◽  
Sensory Tests

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.

scholarly journals Pemanfaatan Limbah Kulit Buah Naga (Hylocereus costaricensis) dalam Pembuatan Teh Herbal dengan Penambahan Jahe

2017 ◽  
Vol 2 (3) ◽  
pp. 233-243
Author(s):  
Raudhatul Aiyuni ◽  
Heru Prono Widayat ◽  
Syarifah Rohaya
Keyword(s):  
Moisture Content ◽  
Sensory Evaluation ◽  
Block Design ◽  
Ash Content ◽  
Herbal Tea ◽  
Fruit Peel ◽  
Randomized Block Design ◽  
Dragon Fruit ◽  
Two Factors ◽  
The Impact

Abstrak. Tujuan penelitian untuk mengetahui pengaruh suhu pengeringan kulit buah naga dan konsentrasi penambahan jahe terhadap teh herbal serta mengetahui tingkat penerimaan konsumen terhadap teh herbal kulit buah naga dan jahe. Penelitian menggunakan Rancangan Acak Kelompok (RAK) Faktorial dengan 2 faktor. Faktor pertama adalah suhu pengeringan (T) yaitu T1 = 50⁰C, T2 = 60⁰C, T3 = 70⁰C. Faktor kedua adalah konsentrasi jahe (J) yaitu J1= 0%, J2= 10%, J3= 14%. Hasil penelitian menunjukkan bahwa suhu pengeringan berpengaruh sangat nyata (P≤0,01) terhadap kadar air, kadar abu, dan nilai organoleptik warna teh herbal kulit buah naga dan jahe yang dihasilkan, dan berpengaruh nyata (P≤0,05) terhadap nilai organoleptik rasa. Konsentrasi jahe (J) berpengaruh sangat nyata (P≤0,01) terhadap nilai organoleptik rasa teh herbal kulit buah naga dan jahe, dan berpengaruh nyata (P≤0,05) terhadap kadar air, dan nilai organoleptik warna. Interaksi suhu pengeringan dengan konsentrasi jahe (T×J) berpengaruh nyata (P≤0,05) terhadap nilai organoleptik rasa teh herbal kulit buah naga dan jahe. Berdasarkan hasil penelitian diperoleh perlakuan terbaik yaitu perlakuan dengan suhu pengeringan 50OC (T1) dan penambahan konsentrasi jahe 14% (J3) memiliki kadar air 10,89%, kadar abu 5,85%, aktivitas antioksidan 59,05% dan total fenol 6,07 mg GAE/g bahan. Utilization Of Waste Dragon Fruit Peel (Hylocereus Costaricensis) In The Production Of Herbal Tea With Additional Ginger Abstract. The purpose of this study was to know the impact of dried temperature and concentration additional of ginger and also to know the level of accept consumen for herbal tea dragon fruit peel and ginger. This study uses a randomized block design (RAK) Faktorial two factors. The first factor is dried temperature (T) that is T1 = 50⁰C, T2 = 60⁰C, T3 = 70⁰C. Factor II is consentration to add ginger (J) that is J1= 0%, J2= 10%, J3= 14%. The result of it showed that dried temperature obviously affected (P ≤ 0.01) on the moisture content, ash content, and sensory evaluation of color herbal tea dragon fruit peel and ginger, and obviously affected (P≤0,05) to the sensory evaluation of taste. While, the ginger consentration obviously affected (P ≤ 0.01) on the sensory evaluation of taste herbal tea dragon fruit peel and ginger, and obviously affected (P≤0,05) on the moisture content, and sensory evaluation of color. The interaction type of dried temperature with the ginger consentration obviously affected (P≤0,05) on the on the sensory evaluation of taste herbal tea dragon fruit peel and ginger. The best treatment is obtained from dried temperature 50°C (T1) and the addition of ginger concentration of 14% (J3) that product moisture content of  10,89%, ash content 5,85%,  antioxidant activity 59,05% and total phenol 6.07 mg GAE / g of material.

scholarly journals Pengaruh Konsentrasi Pelarut dan Lama Pengadukan Terhadap Karakteristik Glukomanan Ubi Talas sebagai Bahan Edible Film Buah Segar

2019 ◽  
Vol 4 (2) ◽  
pp. 62
Author(s):  
Amna Hartiati ◽  
I. A. Mahatma Tuningrat
Keyword(s):  
Water Content ◽  
Sweet Potato ◽  
Starch Content ◽  
Block Design ◽  
Edible Film ◽  
Potato Flour ◽  
Solvent Concentration ◽  
Randomized Block Design ◽  
Stirring Time ◽  
Sweet Potato Flour

Tujuan umum yang ingin dicapai dari penelitian ini adalah 1) untuk mengetahui pengaruh konsentrasi pelarut dan waktu pengadukan pada karakteristik glukomanan tepung ubi talas yang diproduksi, 2) untuk mendapatkan glukomanan dengan karakteristik terbaik dari tepung  ubi  talas. Pelarut yang digunakan adalah etanol pada konsentrasi  50, 60 dan 70% dengan waktu pengadukan 30, 60 dan 90 menit. Penelitian ini menggunakan rancangan acak kelompok faktorial dengan dua faktor: konsentrasi pelarut dan waktu pengadukan selama ekstraksi tepung ubi talas. Konsentrasi pelarut yang digunakan untuk ekstraksi glukomanan terdiri dari 3 level, yaitu 50, 60 dan 70% (v / v). Waktu pengadukan selama ekstraksi terdiri dari tiga level, yaitu 30, 60 dan 90 menit. Parameter yang diamati adalah rendemen, kadar glukomanan, kadar pati dan kadar air. Penelitian ini terdiri dari 2 (dua) tahap, yaitu pembuatan glukomanan dari tepung ubi talas dan tahap kedua adalah hasil terbaik pada tahap satu yang akan digunakan sebagai bahan  edible  film buah segar. Hasil penelitian menunjukkan bahwa konsentrasi pelarut dan waktu pengadukan memiliki pengaruh yang sangat signifikan terhadap kadar glukomanan, kadar air dan interaksinya, tidak berpengaruh nyata terhadap kadar pati, rendemen glukomanan. Karakteristik terbaik glukomanan adalah perlakuan konsentrasi pelarut etanol 70% dan waktu pengadukan 90 menit dengan kadar glukomanan 60,166%; kadar pati 0,072%; kadar air 7,313% dan rendemen  9,320% untuk tepung talas.   The general objectives to be achieved from this study were: 1) to determine the effect of solvent concentration and stirring duration on the glucomannan character of Taro sweet potato flour produced; 2) to obtain glucomannan with the best characteristics of Taro sweet potato flour. The solvent used is ethanol at a concentration of 50, 60 and 70% with a stirring time of 30, 60 and 90 minutes. The study used a factorial randomized block design with two factors: solvent concentration and stirring time during the extraction of Taro sweet potato flour. The concentration of solvent used for glucomannan extraction consisted of 3 levels, namely 50, 60 and 70% (v / v). The duration of stirring during extraction consists of three levels, namely 30, 60 and 90 minutes. The parameters observed were the yield, glucomannan content, starch content, and water content. This study consisted of 2 (two) stages, namely the manufacture of glucomannan from Taro sweet potato flour and the second stage was the best result in stage one would be used as an edible film chart on fresh fruit. The results showed that solvent concentration and stirring time had a very significant effect on glucomannan content, water content, and interaction and did not significantly affect starch content, the yield of glucomannan Taro flour. The best characteristics of glucomannan were the treatment of 70% ethanol solvent concentration and stirring time of 90 minutes with glucomannan content of 60.116%; 0.072% starch content; moisture content 7.313% and 9.320% yield for Taro yam flour.  

scholarly journals SUBSTITUSI TEPUNG ALMOND DENGAN TEPUNG KEMIRI (Aleurites moluccana Wild) TERHADAP KARAKTERISTIK KULIT MACARON

2019 ◽  
Vol 8 (2) ◽  
pp. 122
Author(s):  
Ida Ayu Ganitri Adnyasuari ◽  
I Gusti Ayu Ekawati ◽  
Ni Made Indri Hapsari Arihantana
Keyword(s):  
Protein Content ◽  
Water Content ◽  
Analysis Of Variance ◽  
Block Design ◽  
Fat Content ◽  
Ash Content ◽  
Carbohydrate Content ◽  
Randomized Block Design ◽  
The Right ◽  
Aleurites Moluccana

This research aims to identify the substitution of almond flour with candlenut flour on the characteristics of macaron shell, and to identify the right concentration of almond flour with candlenut flour on the characteristics of macaron shell. This research used randomized block design with the treatment ratio of almond flour with candlenut flour, which consists of 6 levels such as: 100% : 0%, 80% : 20%, 60% : 40%, 40% : 60%, 20% : 80%, and 0% : 100%. Each treatment was repeated 3 times, resulting in 18 experimental units. The data were then analyzed using Analysis of Variance and if the treatment had an effect on the parameter, the Duncan test was performed. The result showed that substitution of almond flour with candlenut flour had a significant effect on water content, ash content, protein content, fat content, carbohydrate content, swelling, flavor (hedonic), texture (hedonic), taste (scoring) and overall acceptance (hedonic). Substitution of almond flour with candlenut flour 40% had the best characteristics, with 2,40% water content, 2,51% ash content, 9,40% protein content, 18,98% fat content, 66,70% carbohydrate content, 130,81% swelling, color, flavor, taste, and overall acceptance liked, taste candlenut medium and texture very soft.

scholarly journals PENGARUH KONSENTRASI NATRIUM METABISULFIT DAN LAMA PERENDAMAN TERHADAP KARAKTERISTIK BUBUK BUNGA KENIKIR (Tagetes erecta L.)

2019 ◽  
Vol 7 (1) ◽  
pp. 81
Author(s):  
Komang Adi Darmawan ◽  
Ni Made Wartini ◽  
Luh Putu Wrasiati
Keyword(s):  
Water Content ◽  
Block Design ◽  
Tagetes Erecta ◽  
Sodium Metabisulfite ◽  
Total Carotenoid ◽  
Soaking Time ◽  
Brightness Level ◽  
Randomized Block Design ◽  
Residue Levels ◽  
Tagetes Erecta L

Marigold powder can be used as natural orange dyes extract of marigold powder contain ?-carotene. The aim of this research was to investigate the effect of sodium metabisulfite (Na2S2O5) concentration and soaking time on the characteristics of marigold flower powder and determine the best treatment of the concentration of sodium metabisulphite (Na2S2O5) and soaking time to produce powdered marigold flowers. This research used factorial randomized block design with 2 factor experiments. The first factor is the concentration of sodium metabisulfite (Na2S2O5) which consists of 3 levels: 2000, 2500, and 3000 ppm. The second factor is the soaking time which consists of 3 levels: 10, 20, and 30 minutes. The results of research showed that the treatment of sodium metabisulfite (Na2S2O5) concentration take effect on water content, total carotenoid levels, brightness (L*), yellowish level (b*), and sulfite residue levels, but no effect to the level of redness (a*). The treatment of soaking time take effect on the levels of sulfite residues but no effect on water content, total carotenoid levels, brightness level (L*), yellowish level (b*), and redness level (a*). Soaking treatment in sodium metabisulfite (Na2S2O5) solution with a concentration of 2500 ppm and soaking time of 10 minutes, is the best treatment to produce marigold flower powder with the characteristics of water content 11,40%, total carotenoid levels of 18.91%, brightness level (L*) 44.19, redness level (a*) 63.80, yellowish level (b*) 56.86, and sulfite residue levels of 182.40 ppm. Keywords : Tagetes erecta L, sodium metabisulfite, carotenoid, color.

scholarly journals EVALUASI SIFAT KIMIA DAN SENSORI PERMEN JELLY JAMUR TIRAM PUTIH PADA BERBAGAI KONSENTRASI GELATIN

2021 ◽  
Vol 11 (1) ◽  
pp. 43-53
Author(s):  
Sussi Astuti ◽  
Dwi Ardiansyah ◽  
Susilawati Susilawati
Keyword(s):  
Data Analysis ◽  
Water Content ◽  
Block Design ◽  
Ash Content ◽  
Oyster Mushroom ◽  
Single Factor ◽  
Randomized Block Design ◽  
Significant Difference ◽  
Gelatin Concentration ◽  
Sugar Levels

The purpose of the research to determine the concentration of gelatin that produce white oyster mushroom jelly candy which appropriate with the chemical and sensory characteristic of standard ISO 3547.2-2008.  The research arranged in a Complete Randomized Block Design (CRBD) by a single factor that is gelatin concertration on six grade of 5%, 10%, 15%, 20%, 25%, and 30% with four repetition.  Data analysis of variance and a further test with the Least Significant Difference (LSD) at 5% level.  The results showed that the best treatment was found in 20% of gelatin concentration that produces flavor white oyster mushroom jelly candy with score of 2.98 (rather typical white oyster mushroom), elasticity with a score of 3.89 (chewy), color with score of 3.71 (like), the overall acceptance with score of 3.83 (like), the water content of 18.27% (bb), ash content of 0.25% (bb), reduced sugar levels of 0.28% (bb), and sucrose levels of 51.33% (bb) which appropriate with SNI jelly candy 3547.2-2008.

scholarly journals The Addition Extract of Red Dragon Fruit (Hylocereus polyrhizus) Kefir and Aging Time on Ice Cream Made of Goat Milk

2018 ◽  
Vol 6 (1) ◽  
Author(s):  
Najiah Ahmad ◽  
Edhy Mirwandhono ◽  
Armyn Hakim Daulay ◽  
Tri Hesti Wahyuni ◽  
Hamdan
Keyword(s):  
Aging Time ◽  
Block Design ◽  
Goat Milk ◽  
Ice Cream ◽  
Melting Time ◽  
Randomized Block Design ◽  
Dragon Fruit ◽  
Two Factors ◽  
Department Faculty ◽  
Test Color

There is few people who like goat milk, that is why process of making goat milk into ice cream is needed. Therefore, a research has been done at Animal Production Laboratory of Husbandry Department, Faculty of Agriculture, University of North Sumatera, from April to May 2018. The design which used in this research is Randomized block design (RAK) with two factors: kefir concentration (P): (0%, 10%, 20%, 30%) and aging time (L): (6, 12, 18, 24 hours). Parameters which observed were overrun, melting time and organoleptic test (color, aroma, texture, taste). The results showed that the interaction between kefir concentration and aging time gave a significant effect to organoleptic result of flavor and did not give significant effect to overrun, melting time and organoleptic results (color, texture, taste). The concentration of  kefir had given significant effect to melting time and organoleptic results (color, aroma, texture, taste) and did not give significant effect to overrun result. The aging time gave a significant effect to overrun, melting time and organoleptic results (color, aroma, texture), and did not give a significant effect on organoleptic taste result. The best result was obtained in addition of kefir extract of red dragon fruit 30% with aging time aged 6 hours on ice cream made of goat milk.

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