scholarly journals PENGARUH LAMA PENGERINGAN TERHADAP SIFAT FISIKO KIMIA TEH DAUN KERSEN (Muntingia calabura L.)

2018 ◽  
Vol 5 (1) ◽  
pp. 1
Author(s):  
Eka Hely ◽  
Mohammad Abbas Zaini ◽  
Ahmad Alamsyah
Keyword(s):  
Antioxidant Activity ◽  
Water Content ◽  
Analysis Of Variance ◽  
Block Design ◽  
Ash Content ◽  
Duncan Multiple Range Test ◽  
Drying Time ◽  
Extract Content ◽  
Range Test ◽  
Muntingia Calabura

Penelitian ini bertujuan untuk mengetahui pengaruh lama pengeringan terhadap sifat fisiko kimia terhadap aktivitas antioksidan, kadar air, kadar abu, kadar ekstrak dalam air dan organoleptik (warna, rasa dan aroma) teh daun kersen (Muntingia calabura L.).Penelitian ini dirancang menggunakan Rancangan Acak Kelompok (RAK) untuk parameterfisik, kimia maupun organoleptik dengan 6 perlakuan dan 3 ulangan. Hasil pengamatan dianalisis menggunakan analisis keragaman ANOVA (Analysis of Variance) menggunakan Software Co-stat serta menggunakan uji lanjut Polynomial Ortogonal dan Duncan Multiple Range Test (p < 0,05). Perlakuan terdiri dari satu faktor yaitu lama pengeringan 120, 130, 140, 150, 160 dan 170 menit dengan suhu yang sama yaitu 50 oC. Hasil Penelitian menunjukkan bahwa lama pengeringan dalam pembuatan teh daun kersen memberikan pengaruh yang berbeda nyata terhadapkadar air, parameter organoleptik rasa, aroma (hedonik), rasa, aroma, warna (scoring) dan memberikan pengaruh yang tidak berbeda nyata terhadap aktivitas antioksidan, kadar abu, ekstrak dalam air dan organoleptik warna (hedonik). Hasil penelitian ini juga menunjukkan bahwa pengeringan selama 170 menit menghasilkan teh daun kersen dengan mutu terbaik untuk kadar air 3,05%, aktivitas antioksidan 88,60%, kadar abu 7,58% dan kadar ekstrak dalam air 7,58%, sedangkan untuk parameter organoleptik pada pengeringan 120 menit dengan warna (Kuning kehijauan),aroma (kersen agak khas) yang disukai serta  rasa (kersen pahit) yang tidak disukai oleh panelis.dengan warna,aroma yang disukai serta  rasa yang tidak disukai oleh panelis.This study aimed to determine the effect of drying time on the physico chemical properties of antioxidant activity, moisture content, ash content, extract content on water content and organoleptic (color, taste and aroma) of cherry leaf (Muntingia calabura L.) tea. This study was designed using Randomized Block Design (RBD) for physical, chemical and organoleptic parameters with 6 treatments and 3 replications.Results were analyzed by analysis of variance (ANOVA) using Co-stat software and analyzed further by Polynomial Orthogonal and Duncan Multiple Range Test (p <0.05).Treatment consisted of single factor: drying time (120, 130, 140, 150, 160 and 170 minutes with same temperature (50°C). Results showed that the drying time in the production of cherry leaf tea gave a significantly different effect on moisturecontent, taste and aroma (hedonic),as well as taste, aroma and color (scoring), but gave unsignificant effect on antioxidant activity, ash content, extract content in water andcolor (hedonic).The results of this study also showed that drying time up to 170 minutes produced cherry leaf tea with the best chemical qualities(water content 3,05%, antioxidant 88,60%, ash content 7,58% and extract content in water 7.58%),whilebest organolepticqualities produced atdrying up to 120 minutes with preferred color (greenish yellow) and aroma (rather typical cherry), but with unpreferredflavor (bitter cherry) by the panelists.

scholarly journals PENGARUH SUHU DAN LAMA PENGERINGAN TERHADAP KARAKTERISTIK TEH BUNGA TELANG (Clitoria ternatea L.)

2020 ◽  
Vol 9 (3) ◽  
pp. 327
Author(s):  
Ni Ketut Ayu Martini ◽  
Ni Gusti Ayu Ekawati ◽  
Putu Timur Ina
Keyword(s):  
Antioxidant Activity ◽  
Experimental Design ◽  
Water Content ◽  
Analysis Of Variance ◽  
Block Design ◽  
Total Phenol ◽  
Drying Time ◽  
Clitoria Ternatea ◽  
Drying Temperature ◽  
Extract Content

This study was conducted to determine the effect of drying temperature and time on the characteristics of blue pea flower tea and obtain drying temperature and time that produce blue pea flower tea with the best characteristics. The experimental design used was a factorial Randomize Block Design consisting of 2 factors: the first factor was drying temperature, namely 50oC, 60oC, and 70oC and the second factor was drying time, namely 3 hours, 3.5 hours, and 4 hours. The treatment was repeated 2 times to obtain 18 experimental units. The data obtained were analyzed by analysis of variance (ANOVA) and if the treatment had significant effect followed by Duncan test. The results showed that interaction between drying temperature and time had a significant effect on water content, extract content, total phenol, flavonoids, anthocyanin, and antioxidant activity. Drying at a temperature of 50oC for 4 hours was produced blue pea flower tea with the highest antioxidant activity (IC50) of 128.25 ppm, water content of 10.18%, extract content of 51.60%, total phenol of 515.48 mg/100g, flavonoids of 23.99 mg/100g, and anthocyanin of 249.69 mg/100g.

scholarly journals UJI SENSORI, FISIK DAN KIMIA KERUPUK IKAN DENGAN PENAMBAHAN KONSENTRASI DAGING IKAN GABUS (Channa striata) YANG BERBEDA

2019 ◽  
Vol 2 (2) ◽  
pp. 157
Author(s):  
Tresia Natalia ◽  
Hermanto Hermanto ◽  
Kobajashi Togo Isamu
Keyword(s):  
Protein Content ◽  
Water Content ◽  
Analysis Of Variance ◽  
Ash Content ◽  
Carbohydrate Content ◽  
Duncan Multiple Range Test ◽  
Anova Analysis ◽  
Physical Test ◽  
Channa Striata ◽  
Range Test

ABSTRACT          The aim of this study was to determine the effect of the addition of Catfish (Channa striata) meat concentration which was different from the parameters observed in sensory tests (appearance, smell, taste, and crispnes), physical test ( volume of development) and chemical tests (water content, ash content, protein content and carbohydrate content) and in crackers. This study uses a Completely Randomized Design (CRD) which consists of three treatments namely treatment A (DG 30%), B (DG 40%) and C (DG 50%) and replications three times. Observation data were analyzed using ANOVA (Analysis of Variance) at the level of 95%, if there were significant differences (P> 0.05) then further testing was carried out with DMRT (Duncan Multiple Range Test) at 95% significance level. The results obtained showed that adding catfish  meat to fish crackers had no significant effect on sensory values which included appearance ,smell, and taste, but sensory crispness had a significant effect The best results for sensory assessment were found in treatment C where the value appearance 7,4, smell, 7,7, taste 7,4 and crispness 4,4 was in treatment A. The physical test results of the development volume show the best value of treatment A with a development volume of 140%. The best treatment for chemical tests was in treatment C with a water content of 10,90 % and protein content of 14,10%. While the best ash content of 2,35% and carbohydrate content of 43,82% in treatment A. Keywords: catfish (Channa striata), crackers, chemical test, physical and sensoryABSTRAKTujuan penelitian ini adalah untuk mengetahui pengaruh penambahan konsentrasi daging ikan gabus (Channa striata) yang berbeda terhadap parameter yang diamati pada uji sensori (kenampakan, bau, rasa dan kerenyahan), uji fisik (volume pengembangan) dan uji kimia (kadar air, kadar abu, kadar protein dan kadar karbohidrat) pada kerupuk ikan. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari  tiga perlakuan yaitu perlakuan A (daging ikan gabus 30%), B (daging ikan gabus 40%) dan C (daging ikan gabus 50%) dan ulangan sebanyak tiga kali. Data hasil pengamatan dianalisa menggunakan ANOVA (Analysis of Variance) pada taraf  95%, apabila terdapat beda nyata (P>0,05) maka dilakukan uji lanjut dengan uji DMRT (Duncan Multiple Range Test) pada taraf nyata 95%. Hasil penelitian yang diperoleh menunjukkan bahwa penambahan daging ikan gabus terhadap kerupuk ikan memberikan pengaruh tidak nyata terhadap nilai sensori yang meliputi kenampakan, bau, dan rasa, tetapi pada sensori kerenyahan memberikan pengaruh nyata. Hasil terbaik untuk penilaian sensori terdapat pada perlakuan C dimana memiliki nilai kenampakan 7,4, bau 7,7, rasa 7,4 sedangkan perlakuan terbaik untuk kerenyahan 4,4 terdapat pada perlakuan A. Perlakuan terbaik pada uji fisik volume pengembangan menunjukkan nilai terbaik yaitu perlakuan A dengan nilai volume pengembangan 140%. Perlakuan terbaik pada uji kimia terdapat pada perlakuan C dengan nilai kadar air 10,90%, kadar protein 14,10%, sedangkan perlakuan terbaik untuk kadar abu 2,35% dan kadar karbohidrat 43,82% terdapat pada perlakuan A. Kata kunci: (Channa striata), Ikan gabus, kerupuk, uji kimia, fisik, dan sensori

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 Estimation of Heterosis of Yield and Yield-Related Traits in the African Eggplant (Solanum Aethiopicum) Hybrids

2018 ◽  
Vol 6 (2) ◽  
pp. 39-45
Author(s):  
Esther T. Akinyode ◽  
Justina B.O. Porbeni ◽  
David K Ojo ◽  
Olufemi O. O. Pitan ◽  
Adenike O. Olufolaji ◽  
...  
Keyword(s):  
Field Experiment ◽  
Analysis Of Variance ◽  
Significant Variation ◽  
Block Design ◽  
Leafy Vegetable ◽  
Duncan Multiple Range Test ◽  
Randomized Complete Block Design ◽  
Cropping Seasons ◽  
Pure Lines ◽  
Range Test

African eggplant is an important fruit and leafy vegetable in Africa. Heterosis over mid and better parents was estimated in eight crosses of eggplant involving eight pure lines in a field experiment in 2012 and 2013 cropping seasons. The experiment was laid out using a randomized complete block design with three replications. Collected data was subjected to analysis of variance and significant differences were further subjected to Duncan Multiple Range Test. The aim of this study was to identify superior hybrids that can be advanced in the eggplant breeding program for improved yield and related traits. Significant variation was observed among all traits measured for the parents and hybrids. The highest fruit number was observed in NHS10-40 and in NHS 10-71 x NHS 10-40 among the parents and hybrids respectively. The highest heterosis was recorded in the cross between NHS10-71 x NHS10-40.

THE EFFECT OF SLICE THICKNESS AND FRYING TEMPERATURE CHARACTERISTICS OF PUMPKIN CHIPS BY VACUUM FRYING METHOD

2013 ◽  
Vol 3 (2) ◽  
pp. 83-97
Author(s):  
Sugito Sugito ◽  
Hermanto Hermanto ◽  
Arfah Arfah
Keyword(s):  
Antioxidant Activity ◽  
Moisture Content ◽  
Water Content ◽  
Block Design ◽  
Ash Content ◽  
Slice Thickness ◽  
Frying Temperature ◽  
Physical Chemical ◽  
Vacuum Frying ◽  
Randomized Block Design

The objective of research was to determine the effect of slice thickness and frying temperature on the physical, chemical and sensorycharacteristics of pumpkin chips by vacuum frying method. Research used a Factorial Completely Randomized Block Design with 2 treatments and 3 replications. A factor (the slice thickness: 1, 2, and 3 mm) and B factor (frying temperature : 80, 90, and 100oC). The results showed that the slice thickness had significant effect on the crispy texture, yield, and water content of pumpkin chips. The temperature had significant effect on the lightness, chroma, crispy texture, yield, and moisture content. Interaction slice thickness and temperature had significant effect on the water content of pumpkin chips. A3B3 treatment (slice thickness 3 mm and frying temperature 100oC) was the best treatment with physical characteristic (yield 17.47%, crispy texture 183.6 gf, colour with 54.63% lightness, 42.17% chroma and 54.90o hue), chemical cha-racteristic (1.63% water content, 8.08% ash content) and sensory characteristics by scoring preferences 3.48 crispy texture, 3.2 flavour, 2 colour and 3.32 taste. A3B3 treatment had 1.58 dissoluble fiber content, 12.92 mg/mL IC50 antioxidant activity, 21.90 fat rate,1.46 ppm total carotene.

scholarly journals Supplementation of Jengkol Peel on VFA Molar Proportion, Methane Production, and Hydrogen Balance in Vitro

2020 ◽  
Vol 22 (2) ◽  
pp. 150
Author(s):  
N. Hidayah ◽  
Nurhaita Nurhaita ◽  
R. Zurina
Keyword(s):  
Hydrogen Production ◽  
Analysis Of Variance ◽  
Methane Production ◽  
Block Design ◽  
H2 Production ◽  
Duncan Multiple Range Test ◽  
Molar Proportion ◽  
Randomized Block Design ◽  
Range Test

This research was designed to study about effects of supplementation jengkol (Archidendron jiringa) peel powder on VFA molar proportion, production of methane, and hydrogen balance in vitro. The experiment used randomized block design with 4 treatments (0%, 2%, 4%, 6%) and 4 replications. The research observed of VFA molar proportion, production of methane, and hydrogen balance. Data were analyzed using Analysis of Variance (ANOVA), and the Duncan Multiple Range Test examined the differences among treatment means. The results showed that the supplementation of jengkol (A. jiringa) peel powder until 6% did not affect (P>0.05) VFA molar proportion but the treatment without supplementation of jengkol (A. jiringa) peel powder had the highest (P<0.05) methane and H2 production. It was concluded that the supplementation of jengkol (A. jiringa) peel powder until 6% decreased methane and hydrogen production but did not affect on VFA molar proportion.

scholarly journals PENGARUH SUHU DAN WAKTU PENGERINGAN TERHADAP AKTIVITAS ANTIOKSIDAN DAN SIFAT SENSORIS TEH HERBAL CELUP DAUN RAMBUSA (Passiflora foetida L.)

2020 ◽  
Vol 9 (3) ◽  
pp. 308
Author(s):  
Anabella Nadia Nathaniel ◽  
I Nengah Kencana Putra ◽  
AA. Sri Wiadnyani
Keyword(s):  
Antioxidant Activity ◽  
Water Content ◽  
Sensory Properties ◽  
Total Flavonoids ◽  
Herbal Tea ◽  
Drying Time ◽  
Drying Temperature ◽  
Extract Content ◽  
Passiflora Foetida ◽  
C 50

This research aimed to determine the effect of drying temperature and time on antioxidant activity and sensory properties of herbal tea bag of rambusa leaf and to obtain the optimum temperature and drying time that can produce rambusa leaf herbal tea bag with the highest antioxidant activity and the best sensory properties. This research used a completely randomized factorial design with two treatments namely, drying temperature (40°C, 50°C, 60°C) and drying time (3 hours, 3.5 hours, 4 hours). There were 9 factorial combinations, each combination was repeated 2 times. The data obtained were analyzed by analysis of variance. If the treatment had a significant effect, it would be followed by the Duncan test. The results showed that the drying temperature and time treatment had a significant effect (P<0.05) on antioxidant activity, total phenols, total flavonoids, total tannins, water content, color (scoring test), and taste (scoring test), but no significant effect (P>0.05) on the extract content in water, color (hedonic test), taste (hedonic test), and overall acceptance. The results showed that drying temperature of 60°C with a drying time of 3 hours had an optimum drying temperature and time to produce herbal tea bag of rambusa leaf with antioxidant activity of 46.28%, total phenol level of 4.14 mg GAE/g, total flavonoids content of 26.48 mg QE/g, total tannin content of 6.23 mg TAE/g, water content of 8.38%, extract content in water of 31.96%, and sensory properties of yellow color and slight liked, bitter slightly taste and slight liked, and overall acceptance neutral.

scholarly journals Pengaruh Perbandingan Tepung Ubi Jalar Ungu Dan Tepung Kedelai Terhadap Karakteristik Flakes Sebagai Pangan Fungsional

2021 ◽  
Vol 10 (2) ◽  
pp. 268
Author(s):  
Ratna Mei Rani ◽  
I Gusti Ayu Ekawati ◽  
Anak Agung Istri Sri Wiadnyani
Keyword(s):  
Antioxidant Activity ◽  
Sweet Potato ◽  
Ash Content ◽  
Potato Flour ◽  
Soybean Flour ◽  
Duncan Multiple Range Test ◽  
Randomized Design ◽  
Sweet Potato Flour ◽  
Purple Sweet Potato ◽  
Range Test

The research aim to determine the effect of ratio purple sweet potato flour and soybean flour on characteristics functional flakes and determine the exact ratio of purple sweet potato flour and soybean flour which can produce functional flakes with the best characteristics. The Completed Randomized Design was used in this research consisting ratio of purple sweet potato flour and soybean flour including (P1) 90% : 10%, (P2) 80% : 20%, (P3) 70% : 30%, (P4) 60% : 40%, (P5) 50% : 50%. The data obtained were analyzed by variance and if the treatment had significant effect followed by Duncan Multiple Range Test (DMRT). The result showed that flakes with comparison of 70% purple sweet potato flour and 30% soybean flour is the best treatments with criteria moisture content of 3.05%, ash content of 2.09%, protein content of 17.04%, crude fiber 3.76%, anthocyanin total 21.07 mg/100g, antioxidant activity 39.55%, water absorption 165.66% and color is purple and like, aroma is like, texture is crispy and like, taste is like and overall acceptance is like.

scholarly journals Pengaruh Perbandingan Mocaf Dengan Tepung Daun Papasan (Coccinia Grandis) Terhadap Karakteristik Kue Stik

2021 ◽  
Vol 10 (2) ◽  
pp. 256
Author(s):  
Ni Kadek Ayu Puspitayanti ◽  
Ni Luh Ari Yusasrini ◽  
I Gusti Ayu Ekawati
Keyword(s):  
Antioxidant Activity ◽  
Water Content ◽  
Breaking Strength ◽  
Calcium Content ◽  
Ash Content ◽  
Total Chlorophyll ◽  
Total Chlorophyll Content ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Range Test

This study aims to determine the effect of mocaf comparison with papasan leaf flour on the characteristics of stick cake and to find out the proper mocaf comparison with papasan leaf flour so as to produce the best stick cake characteristics. The Completely Randomized Design (CRD) was used a with the treatment of mocaf comparison and papasan leaf flour which consists of 5 levels, namely: 100% mocaf: 0% papasan leaf flour, 95% mocaf: 5% papasan leaf flour, 90% mocaf: 10 % papasan leaf flour, 85% mocaf: 15% papasan leaf flour, and 80% mocaf: 20% papasan leaf flour. The research data were analyzed of variance (ANOVA) and if the treatment had a significant effect it was continued with Duncan's Multiple Range Test (DMRT). The results showed that the comparison of mocaf and papasan leaf flour to the resulting sticks had a very significant effect on water content, ash content, antioxidant activity, total chlorophyll, calcium levels, breaking strength of cake sticks and sensory properties including texture, taste, color, aroma , and overall acceptance. The best characteristics produced in the treatment of 95% mocaf: 5% papasan leaf flour that produces a water content of 1.70%, ash content of 4.24%, antioxidant activity of 11.39%, total chlorophyll content of 89.52 mg / L , calcium content of 238.73 mg /g, fracture power of 13.07 N, and sensory characteristics include greenish brown color and like, aroma like, taste rather typical of papasan leaves and very like, crispy and like texture, overall acceptance of likes.

scholarly journals Karakteristik Teh Daun Bambu Tali (Gigantochloa apus Kurz.) pada Metode Blansir dan Suhu Pengeringan

2020 ◽  
Vol 8 (3) ◽  
pp. 388
Author(s):  
I Gusti Ayu Krisna Dewi ◽  
Luh Putu Wrasiati ◽  
G.P. Ganda Putra
Keyword(s):  
Water Content ◽  
Block Design ◽  
Ash Content ◽  
Total Phenolic ◽  
Tea Leaves ◽  
Drying Temperature ◽  
Tukey Test ◽  
Randomized Block Design ◽  
Extract Content ◽  
Two Factors

Bambu Tali leaves are part of bamboo plants that have not been used optimally. Bambu Tali leaves can be used as a refreshing drink. The aims of this study is to determine the effect of blanching and drying temperature on the characteristics of the Bambu Tali leaves and to determine method of blanching and drying temperature which can produce the best characteristics of Bambu Tali tea leaves. This study used a Randomized Block Design with two factors. The first factor’s is the blanching method that is without blanching, steam blanching, and water blanching. The second factors that is drying temperature that consisting of 50oC, 60oC, and 70oC. Data were analyzed by analysis of variance and continued with Tukey test. The results showed that the blanching treatment and drying temperature significantly affected the water content, ash content, extract content in water, total phenolic, IC50, and organoleptic test. The steam blanching treatment with a drying temperature of 70oC is the best treatment to produce Tali’s bamboo tea leaves with a characteristics of water content is  5.17%, ash content is 5.52%, extract content in water is 35.70%, total phenolic is 36.92 mg GAE/g, and antioxidant activity of IC50 2,629.06 ppm, and color scoring of sensory evaluation is 3.55 (yellowish green to green), taste scoring is 3.55 (slightly astringent to astringent), Scent scoring of 3.45 (slightly leaf scent to leaf scent), and overall reception 4.90 (rather like). Keywords: Gigantochloa apus Kurz., blanching, drying temperature, tea.

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