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Pengembangan Yoghurt berisi Lactobacillus rhamnosus dan Pediococcus pentosaceus dan Viabilitasnya selama Penyimpanan Lilis Nuraida; Qamariyah Nurdin; Antung Sima Firlieyanti
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 1 No. 1 (2014): Jurnal Mutu Pangan
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

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Yoghurt is a common vehicle to deliver probiotic bacteria. Compatibility between probiotics species is important for their survival during fermentation of yoghurt with multi probiotic bacteria. The aim of the research was to assess combination of Lactobacillus rhamnosus R23 and Pediococcus pentosa- ceus A38 in developing yoghurt. L. rhamnosus R23 and P. pentosaceus A38 isolated from breast milk were used as a single culture or in combination. Fermentation was carried out for 48 hrs at 37oC. Effect of inulin on the growth of those lactic acid bacteria was also evaluated. Sugar was added in formulation of yoghurt to improve its taste. L. rhamnosus R23 grew well on skim milk while P. pentosaceus A38 did not suf ciently acidi ed the milk. L. rhamnosus was detrimental to Pediococcus when they were used as combined starter cultures. Reasonable number of Pediococcus in yoghurt containing Lactobacillus and Pediococcus was reached by mixing yoghurt after fermentation by each bacteria separately. Addition of 15% sucrose gave the most preferred yoghurt. During 32 days of refrigerated storage, all yoghurt still maintained high num- ber of viable LAB (>8 log CFU/ml) with Pediococcus count of >6 log CFU/ml. During storage, pH value also declined but it was still above 4. Yoghurt containing L. rhamnosus and P. pentosaceus with different functional properties could be developed by fermenting the milk separately prior to mixing. Refrigerated storage of mixed yoghurt could retain the number of lactic acid bacteria for 32 days.
Free Glutamate Intake from Foods Among Adults: Case Study in Bogor and Jakarta Lilis Nuraida; Siti Madaniyah; Nuri Andarwulan; Dodik Briawan; Hanifah Nuryani Lioe; Zulaikhah Zulaikhah
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 1 No. 2 (2014): Jurnal Mutu Pangan
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

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Monosodium glutamate (MSG) is a flavor enhancer which has been used for nearly a century to bring out the best avor of food. Its principal component is an amino acid called glutamate or L-glutamic acid. Free glutamate also exists naturally in foods. The aim of the present study was to estimate the exposure of consumers to free glutamates from foods in Jakarta and Bogor, Indonesia. The study was conducted in Jakarta urban area and rural area of Bogor with 222 respondents above 19 years of age. The survey used Food Frequency Questionnaire to estimate the consumption of food predicted to contain free glutamate. The data of food consumption was used to design food samples to be taken from the survey site and analyze for free glutamate content. Analyses of free glutamate content in food were conducted using HPLC with fluorescent detector. The results revealed the most frequent and the highest amount of food consumed both in Jakarta and Bogor area was dish menus of cereal categories. The average food consumption, excluding rice, in Bogor was 816.73 g/cap/day, while in Jakarta was 823.82 g/cap/day with dish menus contribution accounted to more than 70%. Free glutamate content of food samples ranged from undetected to more than 6 mg/g. Free glutamate intake in Bogor was comparable with that of Jakarta, i.e. 2013.76 mg/cap/day and 2068.97 mg/cap/day respectively. The main source of glutamate intake in both in Bogor and Jakarta was dish menus contributing to more than 80% of the total free glutamate intake. Free glutamate intake from food prepared outside the household was comparable with that of food prepared at home. 
Kepedulian Konsumen terhadap Label dan Informasi Bahan Tambahan Pangan (BTP) pada Label Kemasan Pangan di Kota Bogor Hendry Noer Fadlillah; Lilis Nuraida; Eko Hari Purnomo
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 2 No. 2 (2015): Jurnal Mutu Pangan
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

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Food additives are widely used in many food products. Producers must inform food additives used on the label of food products. Consumers are expected to read label to get information about the composition and ingredients of the product, including food additives. The aim of the research was to evaluate consumer awareness on food label and food additives in Bogor city. Data was collected by survey and processed statistically using SPSS. The respondents were divided into two groups. The first group was 15-24 years old, and the second group was >24 years old respondent. The numbers of respondent were 201 people for group 15-24 and 150 for >24 years old. The result showed, respondents who always read label were 33% of 15-24 group and 67% of >24 group. Of the respondent reading label, 95% of 15-24 years old and 73% of >24 years old recognized the term of food additives. Statistic analysis by Chi square showed correlation between education to the habit of respondents in reading label. Similar trend was also observed for income. Higher income and education respondents read label more frequent. 
Pola Pertumbuhan Listeria Monocytogenes Selama Fermentasi Tempe Yang Diperkaya Lactobacillus Fermentum Suci Apsari Pebrianti; Lilis Nuraida; Ratih Dewanti Hariyadi
Jurnal Fakultas Teknik Kuningan Vol. 1 No. 1 (2020): Jurnal Fakultas Teknik UNISA Kuningan
Publisher : Jurnal Fakultas Teknik Kuningan

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Ditemukannya mikroba patogen Salmonella Paratyphi B pada tempe menunjukkan potensi kontaminasi patogen lain selama pembuatan tempe, termasuk Listeria monocytogenes yang umum ditemukan di lingkungan bersanitasi buruk. Terlebih, penerapan sanitasi produksi tempe di Indonesia masih sangat rendah. Pertumbuhan mikroba patogen dapat dihambat oleh bakteri asam laktat (BAL) seperti Lactobacillus fermentum. Penelitian ini bertujuan untuk mengetahui perilaku pertumbuhan Listeria monocytogenes selama fermentasi tempe yang diperkaya Lactobacillus fermentum. Pada penelitian ini dilakukan kontaminasi buatan Listeria monocytogenes sebesar 3 log CFU/g dan 5 log CFU/g pada tempe dengan dan tanpa penambahan Lactobacillus fermentum (6 log CFU/g). Metode hitungan cawan digunakan untuk menghitung Listeria monocytogenes, BAL, dan kapang, serta dilakukan pengamatan visual tempe yang dilakukan pada jam ke-0, 4, 24, 48, dan 72 fermentasi. Hasil penelitian menunjukkan bahwa pertumbuhan Listeria monocytogenes dengan kontaminasi awal 3 log CFU/g selama fermentasi tempe dapat dihambat dengan baik oleh Lactobacillus fermentum. Sebaliknya, penambahan Lactobacillus fermentum tidak mampu menghambat pertumbuhan Listeria monocytogenes dengan kontaminasi awal 5 log CFU/g yang mampu tumbuh mencapai 4.6 log CFU/g di akhir fermentasi. Kontaminasi buatan Listeria monocytogenes tidak mengganggu pertumbuhan kapang selama fermentasi dan menghasilkan tempe berkualitas baik sehingga berpotensi membahayakan konsumen karena tidak terdapat perbedaan visual dengan tempe normal.
Karakterisasi Plantarisin IIA-1A5 sebagai Antimikroba dan Evaluasi Aktivitas Sediaan Kering Beku Terenkapsulasi Mochammad Sriduresta Soenarno; Irma Isnafia Arief; Cece Sumantri; Epi Taufik; Lilis Nuraida
Jurnal Aplikasi Teknologi Pangan Vol 9, No 1 (2020): February 2020
Publisher : Faculty of Animal and Agricultural Sciences, Diponegoro University

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Abstract

Bakteriosin adalah peptida dengan aktivitas antibakteri yang diproduksi oleh bakteri asam laktat dan digunakan sebagai pengawet alami. Penelitian sebelumnya menunjukkan bahwa Lactobacillus plantarum IIA-1A5 memproduksi bakteriosin yang diberi nama Plantarisin IIA-1A5 pada medium pertumbuhan yang dibuat dari whey yang diperkaya skim. Untuk aplikasi sebagai pengawet alami dan untuk memperbaiki masa simpan dan aktivitas anti mikrobanya, plantarisin perlu dienkapsulasi dan dikeringbekukan. Tujuan dari penelitian ini adalah untuk mengkarakterisasi dan mengevaluasi aktivitas antimikroba dari sediaan plantarisin IIA-1A5 yang terpurifikasi parsial dan terenkapsulasi kering beku. Ekstraksi dan purifikasi dari bakteriosin dimulai dengan presipitasi dengan ammonium sulfat, yang diikuti dengan dialysis, dan penukar kation kromatografi. Purifikasi parsial dari plantarisin kemudian dimikroenkapsulasi dengan maltodextrin kemudian dilanjutkan dengan proses kering beku. Berdasarkan pada SDS-PAGE, fraksi protein ke-7 (F7) dari plantarisin yang dipurifikasi parsial memiliki pita tunggal dan berat molekul sekitar 9,65 kDa. Konfirmasi lebih lanjut dengan menggunakan MALDI-TOF MS, ternyata pita tunggal tersebut terdiri dari 5 peptida yang diidentifikasi berbobot molekul masing-masing sebagai berikut 5,5, 7,80, 7,96, 9,09, dan 9,27 kDa. Plantarisin kering beku memiliki aktivitas antimikroba terhadap Staphylococcus  aureus tiga kali lipat dibandingkan dengan aktivitas antimikroba dari supernatan bebas sel, dan lebih tinggi dibandingkan dengan nisin, namun kurang bila dibandingkan dengan antibiotik ampisilin dan penisilin. Kesimpulannya, aktivitas antimikroba plantarisin kering beku dapat ditentukan dan lebih tinggi dibandingkan dengan nisin, ampisilin dan penisilin.Characterization of Plantarisin IIA-1A5 as Antimicrobial subtances and Evaluation of Acitivity of Freeze-dried Microencapsulated PreparationAbstractBacteriocins are peptides with antibacterial activity produced by lactic acid bacteria and used as natural preservatives. Previous studies showed that Lactobacillus plantarum IIA-1A5 produces bacteriocin named plantaricin IIA-1A5 in the medium consisting whey enriched with skim milk. For application as food preservatives and to improve its shelf-lie and activity, plantaricin was needed to be microencapsulated and freeze dried. The objective of this research was to characterize and evaluate the activity of partially purified freeze dried microencapsulated plantaricin IIA-1A5. Characterisation of partially purified plantaricin IIA-IA5 includes the identification of active fractions and molecular weight, evaluation of activity at different stage of purification and evaluation of antimicrobial activity of freeze dried microencapsulated plantaricin IIA-IA5. Extraction and prificafication of the bacteriocins started with precipitacion with ammonium sulfate, followed by dialysis, and cation exchange chromatography. The partial purified of plantaricin was then microencapsulated in maltodextrin followed by freeze drying. Based on SDS-PAGE, the protein fraction F7 of partially purified plantaricin had a single band and molecular weight about 9.65 kDa. Further analyses using MALDI-TOF, it revealed that five peptides were identified from one single band plantaricin with molecular weight 5.5, 7.80, 7.96, 9.09, and 9.27 kDa, respectively. The freeze dried plantaricin freeze showed antimicrobial activity against Staphylococcus aureus three times stringer as compared to the activity of cell free supernatant, and was higher than nicin, but less than antibiotic ampicilin and penicilin. As concusion, the activity of freeze dried plantaricin could be determined and had a higher value than nicin, ampicilin and penicilin.
Production of Organic Acid and Short-Chain Fatty Acids (SCFA) from Lactic Acid Bacteria Isolate on Oligosaccharide Media Yati Maryati; Lilis Nuraida; Ratih Dewanti Hariyadi
Jurnal Kimia Sains dan Aplikasi Vol 24, No 6 (2021): Volume 24 Issue 6 Year 2021
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4089.044 KB) | DOI: 10.14710/jksa.24.6.213-221

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The growth of microorganisms in food, one of which is lactic acid bacteria (LAB), can produce metabolites beneficial to health. It is essential to study the results of LAB metabolism to improve the quality of a functional food product. This study aimed to evaluate the isolates Lactobacillus acidophilus FNCC 0051 and Lactobacillus rhamnosus R23 to metabolize oligosaccharides as a carbon source so that the final fermentation product can benefit health especially in lowering cholesterol. In vitro testing was carried out on MRS media with or without oligosaccharides, either singly or in a combination consisting of galactooligosaccharides (GOS), fructooligosaccharides (FOS), inulin (IN), inulin hydrolyzate (HI), or their combination as prebiotics by adding 0.3 % oxbile (bile salt) and inoculated with 1% v/v LAB isolate culture and incubated at 37°C for 24 hours. The results showed that the main product of oligosaccharide metabolism by L. acidophilus FNCC 0051 and L. rhamnosus R23 produced several organic acids (lactic acid), including short-chain fatty acids (SCFA) (acetic acid, propionic acid, and butyric acid). The single and combined carbon sources affected the proportion of lactic acid and acetic acid produced by L. acidophilus FNCC0051 (p<0.05). However, they did not affect the proportions of propionic acid and butyric acid. While in L. rhamnosus R23 (p<0.05), the presence of a single carbon source significantly affected the proportions of lactic acid, acetic acid, propionic acid, and butyric acid, while the combination of oligosaccharides affected the proportions of lactic acid and butyric acid produced. SCFA is the main product of prebiotic metabolism, but the characteristics of the acid produced have not been identified. The fermentation pattern is thought to be related to molecular weight, chain length, and oligosaccharide structure. Short-chain molecules, such as FOS generally ferment more rapidly than long-chain molecules such as inulin. The results of this study indicate that both isolates can be used as probiotics in the development of symbiotic products with the addition of oligosaccharides, which have a physiological effect in lowering cholesterol levels.
Lactic Acid Bacteria from Apis dorsata Hive Possessed Probiotic and Angiotensin-Converting Enzyme Inhibitor Activity Meryandini, Anja; Karyawati, Amor Tresna; Nuraida, Lilis; Lestari, Yulin
Makara Journal of Science Vol. 24, No. 1
Publisher : UI Scholars Hub

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One source of bacteria that has not been widely explored is lactic acid bacteria originating from honeycomb (hive). Timor Island has a wealth of giant honey bees (Apis dorsata). Lactic acid bacteria from the Apis dorsata hive in Timor Island need to be investigated to obtain probiotic candidates with specific functional properties. Lactic acid bacteria were isolated from honeycomb by using de Mann, Rogosa, and Sharpe agar supplemented with 1% of CaCO3. Bacterial isolates that formed clear zones and were Gram-positive and catalase-negative were determined as lactic acid bacteria. The probiotic candidates are isolates that are resistant to bile salts and low pH; susceptible to antibiotics; are able to aggregate, autoaggregate, and coaggregate; and have antibacterial activities. Isolate MC7 was selected as a probiotic candidate and had inhibitory activity against angiotensin-converting enzyme (ACE) with IC50 263,098 ppm. Isolate MC7 showed weak inhibition against ɑ-glucosidase activity. Molecular identification based on 16S rRNA gene showed that MC7 isolate was closely related to Lactobacillus rhamnosus with 100% similarity. Therefore, isolate MC7 was recommended as a probiotic candidate with a functional property as an inhibitor of ACE.
Estimasi Risiko Okratoksin A dari Konsumsi Kopi Bubuk di Indonesia Arimah Arimah; Ratih Dewanti-Hariyadi; Lilis Nuraida
Jurnal Teknologi dan Industri Pangan Vol. 33 No. 2 (2022): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6066/jtip.2022.33.2.100

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Ochratoxin A (OTA) is a nephrotoxic and carcinogenic mycotoxin that can be found in coffee. This study aimed to obtain the processing steps commonly applied by coffee shops in Indonesia, calculate the level of OTA in coffee bean and ground coffee, and the risk estimate of OTA exposure from ground coffee in Indonesia. The processing steps were determined through an online survey while the level of OTA in coffee was calculated from available references. The consumption level of ground coffee was determined from the Indonesia total diet study report and the exposure assessment was carried out by deterministic approach. The risk estimates were expressed as % risk towards provisional tolerable weekly intake (PTWI) and margin of exposure (MOE). Based on the survey of coffee shops (n=20), ground coffee is commonly processed using dry method consisting of cherries sorting, sun drying, roasting and grinding. Ground coffee was the most common coffee consumed by adults. Based on references from countries with climate similar to Indonesia, the level of OTA in coffee bean ranged from 0.033 to 168 μg/kg with an average of 12.25 μg/kg and 0.018-55 μg/kg in ground coffee averaging at 5.60 μg/kg. The individual exposure to OTA from drinking coffee is 0.014-0.744 ng/kg bw/day. The risk estimates shows that risk of ochratoxin A from ground coffee consumption is low, with risk percentage of <100 % provisional tolerable weekly intake (PTWI) and a MOE of higher than 10000 for all age groups. The study suggested that adults (19-55 years) have higher exposure and risk than the other age groups.
Potensi Probiotik Bakteri Asam Laktat Asal Madu dari Tiga Jenis Lebah yang Berbeda Iffa Illiyya Fatma; Lilis Nuraida; Didah Nur Faridah
Jurnal Teknologi dan Industri Pangan Vol. 33 No. 2 (2022): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.6066/jtip.2022.33.2.189

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Certain strains of Lactic acid bacteria (LAB) especially from the genus of Lactobacillus and Bifidobacteria have been recognized to have health beneficial effect as probiotics. Honey has been known to have health beneficial effects and contains lactic acid bacteria. However, information pertaining the characteristics of LAB from honey is still limited. The present research aimed to isolate LAB from different types of honey and to evaluate their potency as probiotic. The LAB were enumerated and isolated from honey produced by three different honeybees: Apis cerana, Heterotrigona itama, and Trigona laeviceps. The results showed the count of LAB in three different honey ranged from 5.0x101 to 2.3x107 CFU/mL and affected by different time of sampling. The highest of average LAB count was found in honey of Heterotrigona itama. There were 48 Gram positive catalase-negative bacterial isolates obtained from the three different honey types. Twelve isolates were selected based on their survival in bile salt. The twelve selected isolates were capable of growing in MRSB pH 2.5, and MRSB containing 0.3% bile salt. They also exhibited strong antibacterial activity against pathogenic bacteria. Identification based on 16S rRNA revealed that of the twelve isolates, nine were identified as Lactiplantibacillus plantarum and three others as Pediococcus acidilactici. The twelve isolates showed high survival at low pH dan bile salt and exhibited antimicrobial activity against pathogen, hence they are considered as probiotic candidates.
Pengetahuan dan Praktik Keamanan Pangan Ibu di Jakarta Selama Masa Pandemi Covid-19 Widya Aprilita Minamilail; Lilis Nuraida; Winiati P. Rahayu
Jurnal Mutu Pangan : Indonesian Journal of Food Quality Vol. 9 No. 2 (2022): Jurnal Mutu Pangan
Publisher : Department of Food Science and Technology (ITP), Faculty of Agricultural Technology, Bogor Agricultural University (IPB) in collaboration with the Indonesian Food and Beverage Association (GAPMMI), the National Agency of Drug and Food Control, and th

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jmpi.2022.9.2.84

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Many reports revealed that the household is considered as the main contributor for foodborne diseases. Although Covid-19 is not a foodborne diseases, Covid-19 pandemic has forced people to adapt to new habits especially regarding hygiene and sanitaion practices. This may have some implication on behaviour at household level contributing to food safety. The present study aimed to describe food safety knowledge and practices in the households during the Covid-19 pandemic. This study applied an online survey with mothers as respondents and the questionnaire was distributed through social media. Respon-dents were determined purposively with the inclusion criteria: women aged 21-64 years, married, had children, lived or settled in Jakarta for at least one year, and played a role in household food procurement. From the target of 400 respondents, 443 respondents met the requirements for data analysis. The survey results showed that education and income moderately correlated with food safety knowledge and practices. Although more than half of respondents (65.2%) still have inadequate knowledge on food safety and Covid-19, higher number of respondents (71.3%) were considered to have good practices to enhance food safety and prevent Covid-19 infections. During the pandemic there were changes in behaviours as shown by an increase of respondents cooking at home (65.5%) compared to before the pandemic (56.4%) and eating habits in restaurants, which decreased during the pandemic (10.6%) compared to before the pandemic (23.7%). In chosing food source, taste and cleanliness were the main considerations. More than half of the respondents (58.7%) obtained information about COVID-19 and food safety from social media.
Co-Authors . EFRIWATI . Hana Afifah Zahra Agista Alam, Syah Khalif Amor Tresna Karyawati, Amor Tresna Anja Meryandini Antonius Suwanto Antung Sima Firlieyanti Antung Sima Firlieyanti Apriliana W. Hartanti Ardiansyah . Arimah Arimah Bambang Pontjo Priosoeryanto Betty Jenie Sri Laksmi Betty Sri Laksmi Betty Sri Laksmi Jenie Betty Sri Laksmi Jenie Budi Nurtama Cece Sumantri Cynthia Rizka Riani Dahrul Syah Dede R. Adawiyah Dede Robiatul Adawiyah Denny Agustin Desty Gitapratiwi Desty Gitapratiwi Dewi, Fitriya Nur Annisa Dewi, Retno Anggrina Khalistha Dian Herawati Dias Erfan Dodik Briawan Donna Fujie Rahaditha Utami Dreitsohn Franklyn Purba Eko Hari Purnomo Emmawati, Aswita Endang Prangdimurti Epi Taufik Fadlillah, Hendry Noer Faleh Setia Budi Farida, Eko Fenny Larasati Firat Meiyasa Gayuh Rahayu Hana - - Hana . Hana . Hanifah Nuryani Lioe Haqqifizta Ratihwulan Harsi D. Kusumaningrum Hendry Noer Fadlillah Iffa Illiyya Fatma Irma Isnafia Arief Jamal Zamrudi Madaniyah, Siti Maggy T. Suhartono Maggy Thenawidjaja Suhartono Mahara, Fenny Amilia Mochammad Sriduresta Soenarno NASRIANTI SYAM, NASRIANTI Ni Nyoman Puspawati Nur Rita Mardiana Nurbety Tarigan Nurdin, Qamariyah Nuri Andarwulan Nurwulan Purnasari Pika Mustika Purwiyatno Hariyadi Puspo Edi Giriwono Qamariyah Nurdin Raini Panjaitan Ratih Dewanti -Hariyadi Ria Noviar Triana Rina Ningtyas Safrida Safrida Safrida Safrida Siti - Winarti Siti Madanijah Siti Madaniyah Siti Nurjanah Slamet Budijanto Sri Budiarti Poerwanto Sri Rini Dwiari Suci Apsari Pebrianti Sutrisno Koswara TATI NURHAYATI Tio, Yohana Tania Tita Rialita Tjahja Muhandri Ummul Khayrah Uswatun Hasanah Utami, Donna Fujie Rahaditha Widya Aprilita Minamilail Winiati P Rahayu Winiati P Rahayu Winiati P. Rahayu Winiati P. Rahayu Winiati Pudji Rahayu Yati Maryati Yati Maryati Yeni Kurniati Yeni Kurniati Yeni Restiani Yuli Sukmawati YULIN LESTARI Zamrudi, Jamal Zulaikhah Zulaikhah Zulaikhah Zulaikhah Zulaikhah Zulaikhah, Zulaikhah