Riska Surya Ningrum, D. Sondari, D. Purnomo, Putri Amanda, Dian Burhani, Fadia Idzni Rodhibilah
{"title":"KARAKTERISASI EDIBLE FILM DARI PATI SAGU ALAMI DAN TERMODIFIKASI","authors":"Riska Surya Ningrum, D. Sondari, D. Purnomo, Putri Amanda, Dian Burhani, Fadia Idzni Rodhibilah","doi":"10.24817/jkk.v43i2.6963","DOIUrl":"https://doi.org/10.24817/jkk.v43i2.6963","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44486309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"KARAKTERISASI BIOPLASTIK DARI K-KARAGENAN EUCHEUMA COTTONII TERPLASTISASI BERPENGUAT NANOSELULOSA","authors":"Syahnya Alifia Nurhabibah, W. B. Kusumaningrum","doi":"10.24817/jkk.v43i2.6808","DOIUrl":"https://doi.org/10.24817/jkk.v43i2.6808","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44759843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Retnosari, Nurul Ultiyati, A. Santoso, S. Marfu'ah, I. B. Rachman
SYNTHESIS OF 9-(4-METHOXYPHENYL)-3,3,6,6-TETRA-3,4,5,6,7,9HEXAHYDRO-2H-XANTENE-1 USING LIME AND LEMON JUICE AS THE ENVIRONMENTALLY FRIENDLY CATALYST AND ITS ANTIOXIDANT ACTIVITY. The 9-(4-Methoxyphenyl)-3,3,6,6-tetra-3,4,5,6,7,9-hexahydro-2H-xantene-1 compound, which is addressed as compound 1 in this study, is the derivatives of 1,8-dioxooctahydroxantene. This compound has a carbonyl group and double bond on beta carbon toward the carbonyl group and benzene ring. The presence of this chromophore helps the compound creates intermediate stabilized by resonance from its interaction with free radicals and has the potential to be an antioxidant. Compound 1 was synthesized from pmethoxybenzaldehyde and dimedone through Knoevenagel condensation reaction using an acid as catalyst. The lime and lemon juice was selected as a catalyst to support green chemistry principle. The obtained product includes white powder with a melting point of 222-224C. The IR analysis results, GC-MS, and H-NMR data show that the compound structure of Compound 1. Meanwhile, the antioxidant activity test using the DPPH method reveal that Compound 1 has the antioxidant activity with IC50 of 22.74 ppm.
{"title":"Synthesis of 9-(4-Methoxyphenyl)-3,3,6,6-tetra-3,4,5,6,7,9- hexahydro-2H-xantene-1 using Lime and Lemon Juice as the Environmentally Friendly Catalyst and Its Antioxidant Activity","authors":"R. Retnosari, Nurul Ultiyati, A. Santoso, S. Marfu'ah, I. B. Rachman","doi":"10.24817/jkk.v43i2.7027","DOIUrl":"https://doi.org/10.24817/jkk.v43i2.7027","url":null,"abstract":"SYNTHESIS OF 9-(4-METHOXYPHENYL)-3,3,6,6-TETRA-3,4,5,6,7,9HEXAHYDRO-2H-XANTENE-1 USING LIME AND LEMON JUICE AS THE ENVIRONMENTALLY FRIENDLY CATALYST AND ITS ANTIOXIDANT ACTIVITY. The 9-(4-Methoxyphenyl)-3,3,6,6-tetra-3,4,5,6,7,9-hexahydro-2H-xantene-1 compound, which is addressed as compound 1 in this study, is the derivatives of 1,8-dioxooctahydroxantene. This compound has a carbonyl group and double bond on beta carbon toward the carbonyl group and benzene ring. The presence of this chromophore helps the compound creates intermediate stabilized by resonance from its interaction with free radicals and has the potential to be an antioxidant. Compound 1 was synthesized from pmethoxybenzaldehyde and dimedone through Knoevenagel condensation reaction using an acid as catalyst. The lime and lemon juice was selected as a catalyst to support green chemistry principle. The obtained product includes white powder with a melting point of 222-224C. The IR analysis results, GC-MS, and H-NMR data show that the compound structure of Compound 1. Meanwhile, the antioxidant activity test using the DPPH method reveal that Compound 1 has the antioxidant activity with IC50 of 22.74 ppm.","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45393001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preface JKK Vol. 42 No.2 Oktober 2020","authors":"Jkk Editor","doi":"10.24817/jkk.v42i2.6587","DOIUrl":"https://doi.org/10.24817/jkk.v42i2.6587","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48203484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cover Vol.42 No.2 Oktober 2020","authors":"Jkk Editor","doi":"10.24817/jkk.v42i2.6586","DOIUrl":"https://doi.org/10.24817/jkk.v42i2.6586","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43624557","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Indeks JKK Vol.42 No.2 Oktober 2020","authors":"Jkk Editor","doi":"10.24817/jkk.v42i2.6588","DOIUrl":"https://doi.org/10.24817/jkk.v42i2.6588","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41702354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bernadeta Ayu Widyaningrum, W. B. Kusumaningrum, F. A. Syamani, Dwi Ajias Pramasari, Sukma Surya Kusuma, F. Akbar, Rahyani Ermawati, Agustina Arianita Cahyaningtyas
Bioplastik pati singkong telah banyak dilirik sebagai alternatif pengganti plastik non-degradasi. Namun sifat mekanik yang rendah mengharuskan dilakukannya penambahan bahan adiktif seperti polivinil alkohol (PVA) dan dimodifikasi dengan penambahan pulp tandan kosong kelapa sawit (TKKS) maupun dengan asam sitrat teraktivasi (AS). Komposisi optimum bioplastik terplastisasi/ PVA yang didapat yaitu sebanyak 5,5 gram pati singkong, 0,275 gram gliserol, dan 5,5 gram PVA. Pada pembuatannya pati singkong dengan bahan aditif lainnya dicampur pada suhu 75 o C dan dituangkan pada cetakkan, kemudian dikeringan pada suhu ruang. Nilai kuat tarik dan presentase elongasi dilihat sebagai indikasi sifat mekanik. Pada penelitian ini dihasilkan penambahan komposisi 0,055 gram TKKS menghasilkan kuat tarik 14,248 N/mm 2 dan presentase elongasi sebesar 29,596% dibandingkan dengan penambahan AS teraktivasi sebanyak 0,825 gram dengan nilai kuat tarik 14,512 N/mm 2 dan presentase elongasi sebesar 16,932%. Gugus fungsi O–H, C–H, C=O, dan C–O mengindikasikan interaksi komposit bioplastik yang terkonfirmasi menggunakan spektroskopi FTIR . Menurut tes differential scanning colorimetry (DSC) ditunjukkan adanya puncak endotermik yang merupakan kondisi peleburan dari pengaruh interaksi komposisi dalam bioplastik selama proses pemanasan. Dari hasil penelitian membuktikan bahwa bioplastik terplastisasi/ PVA dengan penambahan TKKS mampu meningkatkan sifat mekanik dan dapat digunakan sebagai acuan pembuatan bioplastik, khususnya sebagai kemasan.
木薯淀粉的生物塑料被广泛认为是一种非降解塑料的替代品。然而，低机械性能要求增加酒精复合物(PVA)等添加剂，并通过增加无油棕榈果肉(TKKS)和活化柠ni酸(美国)而进行改良。可塑生物塑料最佳成分/ PVA为5.5克木薯淀粉、0.75克甘油和5.5克PVA提供。木薯淀粉与其他添加剂在75摄氏度下混合，倒入平底锅，然后在室温下漂白。拉伸强度和比例修饰被视为机械性能的标志。该研究发现，增加0.055克TKKS的成分后，强度为14.248牛/mm 2，同时增加29596%，而激活为0.825克的美国增值为14.512牛/mm 2，比例为16.932%。O - H - C - H不同的扫描颜色测试显示，在加热过程中，生物塑料中成分相互作用的作用达到了一个融合的顶点。研究证明，通过增加TKKS，可以使生物塑料成为可塑的/ PVA，并将其作为一种试剂，特别是包装。
{"title":"KARAKTERISTIK SIFAT MEKANIK BIOPLASTIK PATI SINGKONG/PVA DENGAN PENAMBAHAN PULP TANDAN KOSONG KELAPA SAWIT DAN ASAM SITRAT TERAKTIVASI","authors":"Bernadeta Ayu Widyaningrum, W. B. Kusumaningrum, F. A. Syamani, Dwi Ajias Pramasari, Sukma Surya Kusuma, F. Akbar, Rahyani Ermawati, Agustina Arianita Cahyaningtyas","doi":"10.24817/jkk.v42i2.6130","DOIUrl":"https://doi.org/10.24817/jkk.v42i2.6130","url":null,"abstract":"Bioplastik pati singkong telah banyak dilirik sebagai alternatif pengganti plastik non-degradasi. Namun sifat mekanik yang rendah mengharuskan dilakukannya penambahan bahan adiktif seperti polivinil alkohol (PVA) dan dimodifikasi dengan penambahan pulp tandan kosong kelapa sawit (TKKS) maupun dengan asam sitrat teraktivasi (AS). Komposisi optimum bioplastik terplastisasi/ PVA yang didapat yaitu sebanyak 5,5 gram pati singkong, 0,275 gram gliserol, dan 5,5 gram PVA. Pada pembuatannya pati singkong dengan bahan aditif lainnya dicampur pada suhu 75 o C dan dituangkan pada cetakkan, kemudian dikeringan pada suhu ruang. Nilai kuat tarik dan presentase elongasi dilihat sebagai indikasi sifat mekanik. Pada penelitian ini dihasilkan penambahan komposisi 0,055 gram TKKS menghasilkan kuat tarik 14,248 N/mm 2 dan presentase elongasi sebesar 29,596% dibandingkan dengan penambahan AS teraktivasi sebanyak 0,825 gram dengan nilai kuat tarik 14,512 N/mm 2 dan presentase elongasi sebesar 16,932%. Gugus fungsi O–H, C–H, C=O, dan C–O mengindikasikan interaksi komposit bioplastik yang terkonfirmasi menggunakan spektroskopi FTIR . Menurut tes differential scanning colorimetry (DSC) ditunjukkan adanya puncak endotermik yang merupakan kondisi peleburan dari pengaruh interaksi komposisi dalam bioplastik selama proses pemanasan. Dari hasil penelitian membuktikan bahwa bioplastik terplastisasi/ PVA dengan penambahan TKKS mampu meningkatkan sifat mekanik dan dapat digunakan sebagai acuan pembuatan bioplastik, khususnya sebagai kemasan.","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45165431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dwinna Rahmi, Mangala Tua Marpaung, Riska Dwi Aulia, S. Putri, Novi Nur Aidha, Rochmi Widjajanti
Sargassum sp. merupakan rumput laut coklat yang banyak tumbuh disepanjang pantai Indonesia. Tujuan dari penelitian ini adalah mengekstraksi mikroselulosa dari rumput laut coklat Sargassum sp. yang diambil dipantai daerah Banten. Selulosa dan mikroselulosa diekstraksi melalui dua tahapan yaitu proses alkalinisasi dengan kalium hidroksida (KOH) dan dilanjutkan proses hidrolisis dengan asam sulfat (H 2 SO 4 ). Variable konsentrasi optimal KOH untuk menghasilkan selulosa adalah 0,1%, 0,7% dan 1,3% (b/v), dengan karakterisasi gugus fungsi produk menggunakan Fourier-Transform Infra Red (FTIR ). Hasilnya menunjukkan bahwa pola spektrum FTIR selulosa dengan alkalinisasi pada konsentrasi KOH 0,1% dan 0,7%, (b/v) berbeda dengan pola spektrum selulosa dengan konsentrasi KOH 1,3% b/v Optimalisasi proses hidrolisis untuk menghasilkan mikroselulosa dilakukan dalam H 2 SO 4 1 M dengan variabel kecepatan pengadukan 1000 rpm, 1500 rpm, dan 2000 rpm serta variabel waktu proses 30 menit dan 90 menit. Spektrum FTIR mikroselulosa dari semua variabel menunjukkan pola yang sama. Bentuk permukaan selulosa hasil foto Scanning Electron Microscope ( SEM ) dengan pembesaran 100.000 kali terlihat seperti bulatan, sedangkan mikroselulosa berbentuk garis panjang. Penambahan mikroselulosa pada bioplastik pati tapioka/kitosan menghasilkan bioplastik yang lebih tahan terhadap air dibuktikan dengan sisa bioplastik lebih panjang dibanding blanko setelah direndam selama 8 hari.
{"title":"EKSTRAKSI DAN KARAKTERISASI MIKROSELULOSA DARI RUMPUT LAUT COKLAT SARGASSUM SP. SEBAGAI BAHAN PENGUAT BIOPLASTIK FILM","authors":"Dwinna Rahmi, Mangala Tua Marpaung, Riska Dwi Aulia, S. Putri, Novi Nur Aidha, Rochmi Widjajanti","doi":"10.24817/jkk.v42i2.6401","DOIUrl":"https://doi.org/10.24817/jkk.v42i2.6401","url":null,"abstract":"Sargassum sp. merupakan rumput laut coklat yang banyak tumbuh disepanjang pantai Indonesia. Tujuan dari penelitian ini adalah mengekstraksi mikroselulosa dari rumput laut coklat Sargassum sp. yang diambil dipantai daerah Banten. Selulosa dan mikroselulosa diekstraksi melalui dua tahapan yaitu proses alkalinisasi dengan kalium hidroksida (KOH) dan dilanjutkan proses hidrolisis dengan asam sulfat (H 2 SO 4 ). Variable konsentrasi optimal KOH untuk menghasilkan selulosa adalah 0,1%, 0,7% dan 1,3% (b/v), dengan karakterisasi gugus fungsi produk menggunakan Fourier-Transform Infra Red (FTIR ). Hasilnya menunjukkan bahwa pola spektrum FTIR selulosa dengan alkalinisasi pada konsentrasi KOH 0,1% dan 0,7%, (b/v) berbeda dengan pola spektrum selulosa dengan konsentrasi KOH 1,3% b/v Optimalisasi proses hidrolisis untuk menghasilkan mikroselulosa dilakukan dalam H 2 SO 4 1 M dengan variabel kecepatan pengadukan 1000 rpm, 1500 rpm, dan 2000 rpm serta variabel waktu proses 30 menit dan 90 menit. Spektrum FTIR mikroselulosa dari semua variabel menunjukkan pola yang sama. Bentuk permukaan selulosa hasil foto Scanning Electron Microscope ( SEM ) dengan pembesaran 100.000 kali terlihat seperti bulatan, sedangkan mikroselulosa berbentuk garis panjang. Penambahan mikroselulosa pada bioplastik pati tapioka/kitosan menghasilkan bioplastik yang lebih tahan terhadap air dibuktikan dengan sisa bioplastik lebih panjang dibanding blanko setelah direndam selama 8 hari.","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47084198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preface JKK Vol. 42 No. 1 April 2020","authors":"Jkk Editor","doi":"10.24817/jkk.v42i1.6148","DOIUrl":"https://doi.org/10.24817/jkk.v42i1.6148","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42472620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cover Vol. 42 No.1 April 2020","authors":"Jkk Editor","doi":"10.24817/jkk.v42i1.6147","DOIUrl":"https://doi.org/10.24817/jkk.v42i1.6147","url":null,"abstract":"","PeriodicalId":17728,"journal":{"name":"Jurnal Kimia dan Kemasan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47933288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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