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All Journal Agrotekno Buletin Udayana Mengabdi Itepa : Jurnal Ilmu dan Teknologi Pangan Agrointek Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) agriTECH Jurnal Ilmiah Teknologi Pertanian Agrotechno Jurnal Aplikasi Teknologi Pangan Indonesian Journal of Chemistry Jurnal Aplikasi Teknologi Pangan Agroindustrial Journal

I Nengah Kencana Putra

Program Studi Ilmu Dan Teknologi Pangan, Fakultas Teknologi Pertanian, Universitas Udayana, Denpasar

Author-ID : 2929974

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Immunology & microbiology Industrial & Manufacturing Engineering Social Sciences Other

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Pengaruh Konsentrasi Etanol dan Waktu Ekstraksi Terhadap Aktivitas Antioksidan Ekstrak Daun Buangit (Cleome gynandra) Dengan Metode Microwave Assisted Extraction Clara Sania Krisanta; Ni Luh Ari Yusasrini; I Nengah Kencana Putra
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 10 No 4 (2021): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2021.v10.i04.p14

Buangit leaves (Cleome gynandra) contain bioactive components such as phenol compounds, flavonoids and vitamin C, which can act as antioxidant. This research aims were to determine the effect of ethanol concentration and extraction time using Microwave Assisted Extraction (MAE) on antioxidant activity and to obtain the appropriate ethanol concentration and extraction time that can produce the highest antioxidant activity of buangit leaves extract. The research was designed using a completely randomized factorial design, which consisted of two factor. The first factor was ethanol concentration (ethanol 60%, 70%, 80% and 90%) and the second factor was the extraction time (3, 5 and 7 minutes). The entire treatment was repeated 2 times to obtain 24 units of experiments. Data were analyzed by analysis of variance and if the treatment had a significant effect, followed by Duncan Multiple Range Test. This research showed that the interaction between ethanol concentration and time extraction had significant effects on total flavonoids and antioxidant activity, but it had non-significant effects on total phenol and total vitamin C. However, ethanol concentration and time extraction had significant effects on total phenols, total flavonoids, total vitamin C and antioxidant activity. The results showed that MAE of buangit leaves using 70% ethanol concentration for 7 minutes was the best treatment on this research, which can produce 18.52 ± 0.64 mg GAE/g of total phenols, 19.28 ± 0.18 mg QE/g of total flavonoid, 89.85 ± 5.30 mg AAE/g of vitamin C and antioxidant activity based on IC50 value at 131.85 ± 0.71 ppm

FORMULASI TERIGU DAN TEPUNG KELADI PADA PEMBUATAN ROTI TAWAR I Gusti Putu Bayu Bramtarades; I Nengah Kencana Putra; Ni Nyoman Puspawati
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 2 No 1 (2013): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.785 KB)

This research aims to investigate the effect of formulations of wheat and cocoyam flour usedin bread making and to know the comparison of wheat and cocoyam flour that produce bread withgood characteristics. This research used Randomized Block Design with a comparisons of wheat andcocoyam flour as follows: 100% : 0%, 95% : 5%, 90% : 10%, 85% : 15%, 80% : 20%, 75 % : 25%and 70% : 30%. The treatments was repeated twice, so there were 14 experiment units. The data wasanalyzed by analysis of variance, if there were significant effects then followed by Duncan's test.Result of the research shown that formulation of wheat and cocoyam flour on the bread making hadsignificant effects on bread volume, water content, ash content, crude fiber content, protein content, fatcontent, flavor, color, texture and overall acceptance, but had not significant effects on taste and poresuniformity of the bread. The formulation of 85% wheat and 15% cocoyam flour, produced bread withgood characteristics by: swelling degree of 129.87%; water content of 32.13%, ash content of 1.43%,protein content of 16.42%, fat content of 10.09%, crude fiber content of 6.33%, carbohydrate contentof 39.92%, pores uniformity of bread was mostly uniform, color was mostly liked, flavor was mostlyliked, taste was mostly liked, texture was mostly liked, and overall acceptance was mostly liked.

Pengaruh Suhu dan Waktu Pengeringan Terhadap Sifat Kimia dan Sensori Teh Celup Herbal Daun Putri Malu (Mimosa pudica Linn.) Elia Agatha Christiani; I Nengah Kencana Putra; I Putu Suparthana
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 10 No 4 (2021): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2021.v10.i04.p05

The objective of this study was to know the effect of time and drying temperature on the chemical and sensory properties of herbal tea bag made from Mimosa pudica Linn. leaves and to know the right time and drying temperature to get the best chemical and sensory properties of herbal tea bag of Mimosa pudica Linn. leaves. This research used a Completely Randomized Design with two factors i.e. drying temperature (40°C, 50°C, and 60°C) and drying time (110, 130, and 150 minutes). All of the treatments were repeated two times to obtain 18 units of experiments. The data obtained were analyzed by analysis of variance (ANOVA) and if the treatment had a significant effect, then it was followed by The Duncan Multiple Range Test (DMRT). The results showed that the interaction of time and drying temperature had a significant effect (P<0,05) on total flavonoids, but no significant effect (P>0,05) on the moisture and extract content, total phenolics, and IC50 valued. The drying temperature had a significant effect on the moisture content and IC50 valued, while the time and drying temperature had a significant effect on the extract content and taste (scoring test). The results showed that the drying temperature of 50°C for 110 minutes was the best treatment, where the herbal tea produced had a criteria: moisture content 6.50%; extract content 14.70%; total phenolics 25.19 mg GAE/g dry weight; total flavonoids 16.07 mg QE/g dry weight; IC50 valued 74.45 ppm; the color, flavor, and taste were slightly liked; an overall acceptance neutral; and the taste was slightly bitter.

PENGARUH SUHU PENGERINGAN TERHADAP AKTIVITAS ANTIOKSIDAN TEH HERBAL KULIT KAKAO (Theobroma cacao L.) I Gusti Ngurah Sujana Kusuma; I Nengah Kencana Putra; Luh Putu Trisna Darmayanti
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 8 No 1 (2019): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

This study aims to determine the effect of drying temperature on the antioxidant activity of cocoa peels and obtain drying temperature that can produce herbal tea of cocoa peels with the highest antioxidant activity. The experimental design used was a Completely Random Design with drying temperature treatment which consist of 4 level ie : 65ºC, 75ºC, 85ºC and 95ºC. The treatment was repeated 4 times to obtain 16 experimental units. The results showed that drying temperature had a very significant effect on moisture content, ash content, crude fiber content, juice content, total phenol, antioxidant activity, taste (scoring) and no significant effect on panelists' preference for color, aroma, taste and overall acceptance. The drying temperature of 65ºC was the best treatment that produced herbal tea with the highest antioxidant activity (IC50 456.21 ppm), water content of 11.07%, ash content 8.17%, coarse fiber content 23.89%, extract content 19.90%, total phenol 0,0626%, aroma ordinary, color ordinary, taste not bitter and ordinary, overall acceptance ordinary.

PENGARUH PENAMBAHAN SARI BUAH NAGA MERAH (Hylocereus polyrhizus) TERHADAP KARAKTERISTIK YOGHURT CAMPURAN SUSU SAPI DAN KACANG MERAH (Phaseolus vulgaris) Dewi Citra Laksmi Agung Putri; I Nengah Kencana Putra; I Putu Suparthana
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 8 No 1 (2019): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

The aim of this research was to know the effect of adding red dragon fruit juice (RDFJ) for the characteristics of yoghurt mixed milk and red bean. Research design used a randomized complete design (RAL) with the concentration 0 %, 5 %, 10 %, 15 %, 20 %, and 25 % of RDFJ. Each treatment repeated three times to obtain 18 units of sample. The data was analyzed by ANOVA and if it had effect on variabel then continued by Duncan Test. Sensory was analyzed by hedonic and scoring test for color, flavor, taste, texture and overall acceptance of the resulting product using 15 trained panelists. The result showed that adding RDFJ had very significant effects (P < 0,01) for total acid, Vitamin C, antioxidant activity, total lactic acid bacteria (BAL) and had significant effect (P < 0,05) for pH. The best treatment was on 15 % of RDFJ with value 1.22 % of total lactic acid, 4.41 of pH, 1.11 mg/100g of Vitamin C, 48.40 % of antioxidant activity, 1.87 x 108 CFU/ml of total lactic acid bacteria (BAL), color (red and liked), flavor (pleasant and liked), taste (sour and liked), texture (aqueous) and overall acceptance (liked).

Pengaruh Perbandingan Daun Putri Malu (Mimosa pudica Linn.) dan Bunga Melati (Jasminum sambac (L.) Ait.) Terhadap Karakteristik Teh Celup Wangi Michelle Olivia Isabella; I Nengah Kencana Putra; Gusti Ayu Kadek Diah Puspawati
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 10 No 4 (2021): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2021.v10.i04.p01

This study aimed to determine the effect of the comparison of Mimosa pudica L. leaves and jasmine on the characteristics of scented tea bag and find out the comparison of Mimosa pudica L. and jasmine to obtain the best characteristics of the scented tea bag. The experimental design used was Completely Randomized Design with the comparison treatment Mimosa pudica L. leaves and jasmine as a treatment which consist of 5 levels: 100%:0%, 85%:15%, 70%:30%, 55%:45%, and 40%:60%. The treatment was repeated three times, resulting in 15 experimental units. The data obtained then analyzed by the Analysis of Variance, and if the treatments had a significant effect, continued with the Duncan Multiple Range Test. The result showed that the comparison of Mimosa pudica Linn. and jasmine had significant effect on water content, water-soluble extractive, total phenol, total flavonoid, IC50 value, taste (scoring and hedonic test), aroma (scoring and hedonic test), and overall acceptance. The comparison of 70% Mimosa pudica L. and 30% jasmine had the best characteristic, which had a water content 10.97%, water-soluble extractive 22.59%, total phenol 3.70 mg GAE/g, total flavonoids 1.05 mg QE/g, IC50 value 128.73 ppm. The brewed tea bag had a slightly liked color, a slightly liked and slightly jasmine aroma, a slightly bitter and slightly liked taste, and a slightly liked overall acceptance.

SUBSTITUSI MARGARIN DENGAN MINYAK BABI PADA PROSES PEMBUATAN KUE PIA Made Meigasari; Nengah Kencana Putra; Ni Made Indri Hapsari
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 5 No 1 (2016): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (211.678 KB)

This study aims to determine the effect of subtitution of margarine with lard on the characteristic of pia cakes and to determine the concentration substitution of margarine with lard that can produce the best characteristic of pia cakes. This study used a Randomized Block Design (RBD) with the formulation of pia cakes with margarine : lard P0 (100% : 0%), P1 (75 % : 25%), P2 (50% : 50%), P3 (25% : 75%), P4(0% : 100%). The results showed there were substitution margarine with lard in the process making of pia cakes significant effects on the moisture content, ash content, fat content and carbohydrate content but there were no significant effects on protein. Hedonic sensory evaluation substitution margarine with lard in the process making of pia cakes that includes significant effects on the color, texture, aroma, flavor, overall acceptance of test score significant effects on the level of crispness and aroma lard. The formulation of 25% margarine : 75% lard can produce the best characteristic of pia cakes with moisture content (13,60%), ash content (0,73%), protein content (9,38%), fat content (26,20%), carbohydrate (50,67%) as well as hedonic sensory evaluation that includes color 5,5 (somewhat like), texture 5,85 (like), aroma 5,45(somewhat like), flavor 6,1 (like), overall acceptance 6,10 (like) and score test on the level of crispness was 4,20 (rather crispy), aroma lard 4,45 (mildly flavored lard).

Pengaruh Waktu Ektraksi Terhadap Aktivitas Antioksidan Ekstrak Daun Rambusa (Passiflora foetida L.) Menggunakan Metode Microwave Assisted Extraction (MAE) Erika Ary Koesnadi; I Nengah Kencana Putra; A.A.I. Sri Wiadnyani
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 10 No 3 (2021): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2021.v10.i03.p04

This research aimed to study the effect of extraction time on the antioxidant activity of rambusa leaves extracts extracted using the Microwave-Assisted Extraction (MAE) method. The extraction times were evaluated: 1 minute, 2 minutes, 3 minutes, 4 minutes, 5 minutes and 6 minutes with microwave irradiation power 300 Watt. This study used a completely randomized design with three repetitions to obtain 18 experimental units. The parameters observed included yield, total phenol, total flavonoids, total tannin and antioxidant activity. The data of yield, total phenol, total flavonoids, total tannin and antioxidant activity were analyzed by analysis of variance, and if the treatment had significant effect, then it was followed by the Duncan test. The results showed that extraction time significantly affected yield, total phenol, total flavonoids, total tannin and antioxidant activity of rambusa leaves extract. The results showed that 4 minutes extraction time was the best treatment, which produced a 17.40% yield, total phenol 75.07 mg GAE/g extract, total flavonoids 33.05 mg QE/g, total tannin 2.76 mg TAE/g, antioxidant activity based on free radical inhibition percentage 25.29 % and IC50 values 196.17 mg/L.

KARAKTERISASI SIFAT FISIKO - KIMIA PATI TALAS KIMPUL (Xanthosoma sagittifolium) TERMODIFIKASI DENGAN METODE ASETILASI I Made Edi Widiawan; K.A Nocianitri; Nengah Kencana Putra
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 2 No 1 (2013): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (180.924 KB)

Research aims to find the effects of acetic anhydride concentration and soaking time on thephysico-chemical properties of modified cocoyam starch and to determine the optimal concentration ofacetic anhydride and a soaking time that can produced the best physico – chemical properties of modifiedcocoyam starch.This study was an experimental study designed by Randomized Block Design (RBD), with afactorial experiment, comprised of two factors there was acetic anhydride concentration (factor I)consisting three levels (1%, 2% and 3%), and soaking time (factor II) consisting three levels (95, 105,and 115 minutes. Parameters observed were substitution degree, starch content, amylose content, swellingpower, solubility and clarity of pasta.The results showed that concentration of acetic anhydride and a soaking time highly significanteffeted the physico-chemical properties of modified cocoyam starch. Acetylation modifications improvedthe characteristics of modified cocoyam starches such as degree of substitution, starch content, amylosecontent, solubility, and swelling power. The best physico chemical properties of modified cocoyam starchwas produced by 3% of acetic anhydride concentration, and soaking time for 115 minutes with a degreeof substitution of 1.0585, starch content of 91.82%, amylose content of 34.82%, solubility of 29.80%,swelling power of 21.57 %, clarity of pasta on the first day was 0.66, and clarity of pasta on eighth daywas 0.23.

Pengaruh Waktu Pasteurisasi Terhadap Cemaran Mikrobiologis dan Aktivitas Antioksidan Loloh Daun Pohpohan (Pilea trinervia Wight.) Icha Nabillah; I Nengah Kencana Putra; I Putu Suparthana
Jurnal Ilmu dan Teknologi Pangan (ITEPA) Vol 10 No 4 (2021): Jurnal ITEPA
Publisher : Department of Food Science and Technology Study Program, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/itepa.2021.v10.i04.p06

Loloh is one of the traditional beverages in Bali made from fresh leaves, root, stem, seeds or fruit without cooking treatment (cold process). Some studies showed that loloh in several area in Bali is not worth to consume because of high level of microbial contamination. This study aimed to determine the effect of pasteurization time to produce loloh pohpohan leaves with the best antioxidant activity and free from microbial contamination. This experiment used a Completely Randomized Design with 7 variations of pasteurization treatment time, namely 0, 10, 15, 20, 25 30 and 35 minutes. The treatment was repeated three time for obtain 21 experimental units. The data obtained were analyzed by analyze of variance and if the treatment had significant effect, then it was followed by Duncan Multiple Range Test (DMRT). The result of this study showed that pasteurization time has a very significant effect (P<0,01) on total microbial, total coliform and antioxidant activity. The best loloh treatment in this study was obtain with 20 minutes pasteurization time with the total plate count 0 CFU/mL (no microbes showed), negative coliform and antioxidant activity 58.39% with IC50 valued 1584.097 ppm, the color is neutral, the aroma is neutral, the taste was bitter and neutral and overall acceptance is neutral.

Co-Authors Aditya Degita Rizal Agnes Citra Yolanda Simamora Alberto Sombamori Janggat Alexander Nathanael Yusuf Anabella Nadia Nathaniel Anak Agung Istri Sri Wiadnyani Anak Agung Istri Sri Wiadnyani Ayu Nuriya Kiromi Bambang Admadi Harsojuwono Bellariesty Kartika Dewi Bryan Bryan Clara Sania Krisanta Dewi Citra Laksmi Agung Putri Elia Agatha Christiani Emma Rahmasari Enita Berena Br Karo Era Ollyvetty Meilani Erika Ary Koesnadi G.P. Ganda Putra Gusti Ayu Kadek Diah Puspawati Hesti Pratiwi I Dewa Gde Mayun Permana I Gede Tirta Yasa I Gusti Ayu Ekawati I Gusti Ngurah Sujana Kusuma I Gusti Putu Bayu Bramtarades I Ketut Suter I Ketut Suter I Komang Ardianta I Komang Ari Andika I Made Ananta Divasti Guna I Made Cahyana Kusuma I Made Edi Widiawan I Made Sugitha I Putu Suparthana I Wayan Rai Widarta I.D.P.K. Pratiwi I.G.A. Ekawati Icha Nabillah Ida Ayu Agung Prawitasari Ida Bagus Ketut Mantra Irvan Kurniawan Simatupang Justicia Febi Estermaria Pandiangan Juwita Mayningsih Andari Putri Ketut Ratnayani Kholista Samsara Kurnia KOMANG AYU NOCIANITRI Luh Putu Trisna Darmayanti Luh Putu Wrasiati M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Made Meigasari Mahira Oktaviana, Ni Luh Gede Maria Christinela Domithesa Melda Yanti Naibaho Michelle Olivia Isabella Muhammad Eriansyah Al-Hakim Mulyani Sri Ni Kadek Nova Wulandari Ni Ketut Sri Agustini Ni Ketut Sri Agustini Ni Luh Ari Yusasrini Ni Luh Gde Amritasya Mutiara Ni Luh Putu Diah Rupini Ni Made Indri Hapsari Arihantana Ni Made Prawitasari Ni Made Ria Oka Ni Made Yusa Ni Nyoman Puspawati Ni Putu Putri Dewanty Saraswati Ni Putu Suriani Ni Wayan Wisaniyasa Nicole, Moreen Alesandrina Novelita Olivea Herman NYOMAN SEMADI ANTARA Nyoman Wahyu Meta Wulandari, Nyoman Wahyu Meta P.A.S. Widpradnyadewi P.T. Ina Pandu Prayugo Putri Nathasya br Lahi Putu Adiyasi Wulandari Putu Pande Pande Yashika Putu Rica Galicia Putri Yanti Putu Timur Ina Ronald Surachman Sayi Hatiningsih Sixtian Brema Sembiring Wayan Trisnawati Yustika Ayu Tri Wahyuni Yustika Ayu Tri Wahyuni

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