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Sensory Evaluation of the Quality of Kaffir Lime (Citrus hystrix DC.) Leaves Exposed to Different Postharvest Treatments Budiarto, Rahmat; Poerwanto, Roedhy; Santosa, Edi; Efedi, Darda; Agusta, Andria
Journal of Tropical Crop Science Vol. 8 No. 02 (2021): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.8.02.71-79

Abstract

This study aimed to evaluate the sensory attributes such as aroma, color and texture of kaffir lime leaves in response to various post-harvest treatment. The hedonic test approach was conducted by inviting 70 untrained panelists on seven post-harvest treatments, i.e. (D1) post-sortation fresh leaves, (D2) pre-sortation fresh leaves, (D3) cold-storage leaves, (D4) low temperature-storage leaves, (D5) brown dry leaves, (D6) fresh leaf-flour, and (D7) brown dry leaf-flour. The result showed that most of panelist agreed that aroma was the most important quality attribute that determined the level of preference in kaffir lime leaf products. Among seven tested products, the aroma, color, texture and overall impression of D1 was the most favorite one, while D4, D5, and D7 were assessed as low preference products. This work showed the importance of sortation and cold storage to maintain consumer likeliness. The criteria for sortation were green, clean, pest-disease free, scar free, high uniformity and fresh condition of leaves. Cold-storage at -20oC maintained the color and texture of kaffir lime leaves better than low temperature storage (5oC). To make leaf flour, the use of fresh green leaves was significantly better than brown dry ones. This finding might become the baseline data for the development of kaffir lime leaf product in the future.
The Effects of Preharvest Mild Shading on the Quality and Production of Essential Oil from Kaffir Lime Leaves (Citrus hystrix) Budiarto, Rahmat; Poerwanto, Roedhy; Santosa, Edi; Efendi, Darda; Agusta, Andria
Journal of Tropical Crop Science Vol. 9 No. 01 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.01.15-21

Abstract

Kaffir lime (Citrus hystrix DC) is a less popular citrus species commonly used as a food spice and a source of essential oil. Early studies report the success of preharvest mild shading to increase leaf yield, although there is still limited information on the effect of preharvest shading on the quality of essential oil produced. The aim of this current study is to evaluate the effect of preharvest mild shading factors on the yield, physical characteristics, and metabolite fingerprinting of kaffir lime leaves essential oil (KLLEO). One-year-old kaffir lime trees were sampled in two preharvest treatments, i.e., open sun and mild shading (24% light reduction) at Pasir Kuda experimental field, Bogor, Indonesia. Statistical analysis showed that there was no significant effect of preharvest treatment on yield and physical characteristics (color, specific gravity, and refractive index) of KLLEO. In contrast, there was a metabolite fingerprinting variation of KLLEO as an effect of mild shading. The relative percentage of bergamol, citronellol, caryophyllene oxide, citronellic acid, isopulegol, isopulegyl formate, limonene, linalool, and linalool oxide was increased by mild shading. On the other hand, the main metabolite (citronellal) was significantly reduced by about 10% in shading treatment, as compared to the open-sun ones.
Forage Potential of Plant Species Found in Various Ecosystems in Musi Banyuasin Regency, South Sumatera, Indonesia Kanny, Putri Irene; Chozin, M.A.; Santosa, Edi; Guntoro, Dwi; Zaman, Sofyan; Suwarto, Suwarto; Kurniawati, Ani
Journal of Tropical Crop Science Vol. 9 No. 01 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.01.68-76

Abstract

Forage is an important component in sustainable smallholder livestock. The purpose of the study was to identify the diversity of natural plant species in various ecosystems, as well as their potential as forage. Based on our surveys of palm oil plantation, rubber plantation, and home gardens using the quadrant method, we identified approximately 50 species comprising the natural vegetation of our study area. Out of 50, we identified 39 broad-leaved species, 9 grasses (Poaceae) species, and 2 sedges (Cyperaceae) species. The palm oil plantation had 29 species dominated by Ottochloa nodosa (11.92%) and Asystasia gangetica (11.40%); 25 species were found in the rubber plantation dominated by Cynodon dactylon (28.42%) and Panicum repens (9.20%), and home gardens contained 30 species dominated by Eleusine indica (13.39%) and Ageratum conyzoides (9.60%). Among the 29 species found in the palm oil plantation, 13 were observed to have low palatability scores, and 16 species have high palatability scores. Based on their high palatability scores, the following species can be utilized as forage for Balinese cattle: Cyrtococcum acrescens, Eleusine indica, Centrosema pubescens, Paspalum conjugatum, and Sida rhombifolia.
Metabolic Profiling of Three Species of Amorphophallus (Araceae) Santosa, Edi; Fatah, Muhammad; Kuswanto, Lianah; Krisantini, Krisantini
Journal of Tropical Crop Science Vol. 9 No. 02 (2022): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.9.02.105-113

Abstract

A study was conducted to determine the metabolic contents of corms of three species of Amorphophallus, A. muelleri, A. paeoniifolius, and A. variabilis using gas chromatography mass spectrometry (GCMS) with water as polar solvent. The corms were collected from plants cultivated at the Leuwikopo Experimental Station, IPB University, Darmaga, Bogor, Indonesia. Metabolic profiling conducted at the Jakarta Regional Health Laboratory, Indonesian Ministry of Health, demonstrated that the three species of Amorphophallus vary in metabolic content, specifically for 12 compounds belonging to antioxidants, vitamins, saturated fatty acids, polyunsaturated fatty acids, phytosterol, alcohol, aldehyde, and alkane. Our study had shown that metabolic profiling is a potentially useful method of differentiating or determining species markers that in turn could be efficient way for genetic conservation and development of future food source.
Grain Quality of Three Rice Genotypes Grown in Organic and Non-Organic Systems Dulbari, Dulbari; Kartahadimaja, Jaenudin; Martina, Ajeng Aulia; Santosa, Edi
Journal of Tropical Crop Science Vol. 11 No. 01 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.01.49-54

Abstract

Grain quality is essential for assessing the overall quality of the grain produced and determining the market value of the final product. The objective of this study was to evaluate the physical quality of grains cultivated using both organic and non-organic methods. The research employed grains from red, white, and black rice genotypes planted during the third period. Each sample consisted of 100 grams, with three replicates. Data analysis involved variance testing using T and BNT tests, with a significance level set at 5%. Parameters for assessing the physical quality of grains included moisture content, empty grains, damaged kernels (yellow), calcified kernels (young kernels), foreign matter, other varieties, odors, and pests. The research took place at the Polytechnic Organic Farm and Plant Laboratory of Politeknik Negeri Lampung from January to April 2022. The findings indicated that the grain yields of red, white, and black rice genotypes quantitatively exhibited lower levels of yellow/damaged kernels and calcified/young kernels when cultivated organically compared to non-organic methods. However, for other analyses, the results did not show significant differences between the two cropping systems. Nevertheless, the grains of red, white, and black rice genotypes met the quality standards outlined in SNI 01-0224-1987, classified as grade II for organic cultivation and grade III for non-organic cultivation.
Water Footprint Analysis of Different Techniques of Cocoa Propagation Santosa, Edi; Supijatno, Supijatno; Wachjar, Ade; Rohman, Fadil; Abdoellah, Soetanto
Journal of Tropical Crop Science Vol. 10 No. 03 (2023): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.10.03.153-165

Abstract

The nursery phase plays a crucial role in rejuvenating cocoa plantations as it significantly impacts the quality and productivity of the mature trees in the field. However, despite its significance, there remains a lack of understanding regarding its contribution to the water footprint (WF) in cocoa production. This study aims to assess the WF of various propagation techniques to promote sustainable nursery practices. Data on nurseries were collected at the Indonesian Coffee and Cocoa Research Institute in Jember, East Java, Indonesia, from June 2017 to January 2018. The results revealed that propagation accounted for a total WF ranging from 74.28 to 319.41 m3.ha-1 of established cocoa trees, with an average of 186.68 m3. This total WF consisted of 9.02 to 12.89 m3 (7.69%) attributed to seed production and 61.39 to 283.34 m3 (92.30%) attributed to the nursery phase. Among the different nursery techniques studied, the production of true seedlings exhibited the lowest WF, followed by side grafting. To optimize cocoa rejuvenation and minimize WF, it is crucial to carefully select the appropriate nursery technique. Further evaluation is necessary to explore the potential benefits of implementing precision irrigation techniques to reduce WF during the nursery phase. By focusing on sustainable nursery practices, we can enhance the overall sustainability of cocoa production.
Quality and Production Potentials of Various Types of Taro Cormel Fauzan, Rafi; Widajati, Eny; Palupi, Endah Retno; Santosa, Edi
Journal of Tropical Crop Science Vol. 11 No. 02 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.02.137-146

Abstract

Taro is a promising food crop that can be developed as a significant source of carbohydrates; however, a major obstacle is the unavailability of high-quality planting materials. Due to the difficulty in obtaining seeds, taro cultivation generally relies on vegetative propagation materials such as cormels, cormlets, and stolons. The advantage of using vegetative propagation material is that it retains the same characteristics as the parent plant. This research aimed to evaluate the quality of various types of cormels as taro planting material, study the potential of different types of cormels on the growth and production of taro plants, and investigate the growth, development, and time required to produce cormels from various types of cormels and their potential in cormel seed production. The research consisted of two experiments: the first experiment evaluated the quality of several types of cormels from two taro accessions (S24 and S28) using a completely randomized design with two factors (accession and types of cormels—primary, secondary, and tertiary), while the second experiment studied the growth and development of cormels from various types of cormels. The best quality seeds were obtained from primary cormels directly attached to the main tubers, with the germination rate highest for primary cormels at 53.25%, followed by secondary cormels at 51.59%, and tertiary cormels at 39.42%. Accession S24 showed a faster emergence rate (30.26 days) compared to S28 (58.08 days), and in S24, there was no significant difference between types of cormels for this parameter. In contrast, in S28, primary cormels had a significant emergence advantage (33.65 days) over secondary and tertiary cormels (62.57 and 78.02 days, respectively). Additionally, primary cormels were formed 8 weeks after planting, while secondary and tertiary cormels appeared 12 weeks after planting. These findings suggest that primary cormels should be prioritized for use in taro propagation to improve growth, development, and yield, highlighting their potential in cormel seed production and offering a viable solution to the challenge of seed availability in taro cultivation.
Yield and Physicochemical Characteristics of Kaffir Lime Leaf Essential Oils Subjected to Different Post-Harvest Treatment Budiarto, Rahmat; Poerwanto, Roedhy; Santosa, Edi; Efendi, Darda; Agusta, Andria; Rofiq, Muhamad Abdul
Journal of Tropical Crop Science Vol. 11 No. 02 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.02.97-104

Abstract

The importance of kaffir lime leaf as essential oils (EOs) raw material is starting to get attention because of its commercial value; however, there is no quality reference for kaffir lime leaf EOs, especially in response to various post-harvest handlings. This study aimed to describe the physicochemical characteristics and yield of kaffir lime EOs subjected to different post-harvest. Bogor originated-kaffir lime leaf was prepared to be subjected to several post-harvest treatments, i.e., control/fresh green leaves (P1); milling to produce green leaf flour (P2); drying to produce dry brown leaf (P3), and milling and drying to produce brown leaf flour (P4). The result showed that post-harvest treatment generally decreases an oil yield and increases darkness color, specific gravity and refractive index of tested EOs. Additionally, post-harvest treatment also changes metabolite profile revealed by GCMS analysis. The relative percentage of caryophyllene and citronellol tends to increase, while the linalool and citronellal levels decrease due to tested post-harvest treatment. It was implied that for the benefit of the fragrance industry with a high citronellal requirement, EOs should be made from fresh green leaves and the leaves should be avoided from drying and powdering treatment.
Respon Agronomi Varietas Padi terhadap Periode Kekeringan pada Sistem Sawah Tubur, Herman Wafom; Chozin, Muhamad Achmad; Santosa, Edi; Junaedi, Ahmad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (307.858 KB) | DOI: 10.24831/jai.v40i3.6796

Abstract

The objective of this experiment was to identify the growth and production of rice varieties as responses to drought period in low land rice system. Rice plants were grown under plastic house in plots separated by massive walls. Drought periods were treated as main plots, i.e. water was supplied during 3, 6, and 9 weeks after rice transplanting, and control (cultivation without drought treatment). Rice varieties were used as sub plots, consisted of IR64 and Ciherang (low land improved varieties), IPB-3S (new plant type), Menthik Wangi (an aromatic local low land rice), Rokan (a hybrid rice), Way Apo Buru (amphibian type), Jatiluhur and Silugonggo (up land type). Our results showed that drought periods suppressed plant height, tiller number, spikelets length, weight of 1,000 grains, shoot dry weight and harvest index, and increased number of empty spikelets. Interaction between drought periods and rice varieties significantly affected productive tiller number, percentage of plants to flower, and grain weight per hill. Jatiluhur, Ciherang and Way Apo Buru still gave relatively high yields under drought stress indicated that those varieties were relatively tolerant to drought stress; Silugonggo and IPB-3S had medium tolerance to drought stress; IR64, Menthik Wangi and Rokan were the most sensitive varieties. Keywords: drought stress, drought tolerant, improved variety, local variety
KNO 3 Application Affect Growth and Production of Amorphophallus muelleri Blume Santosa, Edi; Halimah, Siti; Susila, Anas D.; Lonto, Adolf P.; Mine, Yoko; Sugiyama, Nobuo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 3 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.866 KB) | DOI: 10.24831/jai.v41i3.8101

Abstract

ABSTRAKPemberian larutan KNO3 diduga dapat meningkatkan produktivitas tanaman iles-iles (Amorphophallus muelleriBlume). Penelitian bertujuan mempelajari pengaruh pemberian larutan KNO terhadap produktivitas A. muelleri. Umbiutuh umur satu tahun dengan bobot 100-125 g ditanam dalam polibag yang ditempatkan di bawah naungan paranet 50%pada musim hujan (September 2010-April 2011) di Bogor, Indonesia. Lima taraf larutan KNO3 yaitu 0, 2, 4, 6 dan 8% (b/v)diberikan melalui daun dan melalui tanah. Larutan diberikan 2 kali sebulan mulai 12 minggu setelah tanam (MST). Hasilmenunjukkan bahwa pemberian KNO3-13 nyata mempengaruhi pertumbuhan tanaman, khususnya meningkatkan jumlah daundan memperpanjang masa vegetatif. Pemberian KNO pada taraf 4% memberikan pengaruh tertinggi jika diberikan melaluidaun. Pemberian KNO33 taraf 4% memberikan pertumbuhan yang lebih tinggi jika diberikan melalui daun dibandingkanmelalui tanah. Secara umum, tidak ada pengaruh nyata pada pertumbuhan tanaman akibat pemberian dosis KNO yangdiberikan melalui tanah. Penelitian berimplikasi bahwa pemberian pupuk KNO melalui daun pada taraf 4% dapatditingkatkan efektivitasnya jika kerusakan pada anak daun dapat diminimalkan. Kerusakan daun cenderung meningkat padadaun tua, oleh karena itu, studi lanjut perlu dilakukan terkait waktu aplikasi yang tepat.Kata kunci: iles-iles, kalium nitrat, pupuk daun, pertumbuhan vegetatif
Co-Authors , Kholidi , Krisantini , Susilawati . SUBOWO Abdoellah, Soetanto Abdul Harris Burhan Abdul Roni Angkat Achmad Taufiq ADE WACHJAR Ade Wachjar Ade Wahjar Aditama, Ravi Aditya Wira Tantra Adolf P. Lonto ADOLF PIETER LONTOH Adolf Pieter Lontoh, Adolf Pieter Agik Suprayogi Agus Buono Agus Sufyan Ahmad Fadli Alghifari Ahmad Fadli Alghifari AHMAD JUNAEDI Ahmad Zamzami Akmal, Ajmir Alghifari, Ahmad Fadli Almas Lathuf Assyura Amirah, Nurul Anas Dinnurrohman Susila ANAS DINURROHMAN SUSILA Anas Dinurrohman Susila Anas Miftah Fauzi Andi Gunawan Andi Gunawan Andreas Kefi ANDRIA AGUSTA Ani Kurniawati Anjeli Sulistianti Paisey Anung Wahyudi Arief Hartono Arisa Noguchi, Arisa Arjuna, Rizka Tri Arya Widura Aryani, Nabila Syarfina Atang Sutandi Azwar, Rani Azkiyah Bambang Sapta Purwoko Besse Amriati Besse Amriati Cahyaningrum, Laeli Dyah Tantri Candra Budiman Careca Sepdihan Rahmat Hidayatullah Chairunnisak, Chairunnisak Chusyairi, Ahmad Danang Aria Nugroho Daniel Happy Putra Darda Efendi Darius Dare Darmawansyah Darmawansyah Darmawansyah Dase Hunaefi Deden Derajat Matra Deden Drajat Matra Delvi Maretta Delvi Maretta Desta Wirnas Desvita Resti Faniqotuni'mah Dhika Prita Hapsari Diaguna, Ridwan Didy Sopandie Didy Sopandie DIDY SOPANDIE DINY DINARTY, DINY Dulbari Dulbari, Dulbari Dwi Guntoro Dwi Sutari Laksono Efendi, Darda Eka Maulidiya, Sherly Eko Sulistyono Elda Kristiani Paisey Elda Kristiani Paisey Elly Kristiati Agustin, Elly Kristiati Elsanti, . Endah Retno Palupi Endang Gunawan Eny Widajati Fajar Delli Wihartiko Faqih Udin Fatah, Muhammad Fatawa, Muhammad Ihsan Fatkhunnisa, Ratu Febrianto, Miftakhur Rizki Hidayat Feni Shintarika Fetty Dwi Rahmayanti Fifin Nashirotun Nisya Gani Tarigan, Abdul Gani Gatot Pramuhadi Gerson Hans Maure Ginanjar Pramudya Sakti Gunar Widiyanto, Gunar HAJRIAL ASWIDINNOOR Handian Purwawangsa Haniefan, Nafarain Agung Haq, Awfil Hariyadi Hayu Siwi Hayu Siwi Pribadi Herdhata Agusta Herman Wafom Tubur I Wayan Astika Imam Fauzi Fauzi Tanjung Imdad Julian Purwanto Irfan Rabani Irfanda, Munandar Is Helianti Is Helianti ISMI PUJI RUWAIDA Iswandi Anas Iswandi Anas Jaenudin Kartahadimaja Juang Gema Kartika Kailola, Joan Joulanda Grace Kanny, Putri Irene Karmanah, Karmanah Ken Takahata, Ken Khamdanah, . Krisantini Krisantini Kurniati Kurniati kuswanto, Lianah Laeli Dyah Tantri Cahyaningrum Limin, Atfritedy Luh Putu Ratna Sundari Lutfy Ditya Cahyanti, Lutfy Ditya M. RAHMAT SUHARTANTO Machfud Machfud MAGHFIRAH Marchella Putriantari Marlin Sefrila Martina, Ajeng Aulia Martini Aji Maryarti Sari Maryati Sari Matra, Deden Drajat Mega Fatimah Rosana Memen Surahman Mochamad Hasjim Bintoro Mohamad Rahmad Suhartanto Mohammad Iqbal Irfany MOHAMMAD TAJUDDIN Muh Agust Nur Fathoni Muhamad Achmad Chozin Muhamad Achmad Chozin Muhamad Zainul Fattah Muhammad Afif Fathin Ridho Muhammad Raihan Ferdiansyah Munandar Irfanda Nadia Dwi Kartika Nakano, Hajime Nani Yulianti Nareswari, Aptika Hana Prastiwi Ni Made Armini Wiendi Nina Ariesta Nindita, Anggi NIZAR NASRULLAH Nobuo Sugiyama Nobuo Sugiyama Nobuo Sugiyama Nurlailah Nurlailah Nurlela, Nurlela Nurul Hidayah NURUL HIDAYAH Nurul Khumaida Oktaviona, Winda Paisey, Elda Kristiani Panca Dewi Manu Hara Karti Pandi Ariansah Permatasari, Okti Syah Isyani Prathama, Mathias Purwanto, Imdad Julian Purwono Purwono Purwono Purwono Purwono PUTRI, AYU DIAH PUTU LAKSMI Putriantari, Marcella Rafi Fauzan Rahman, Rahayu Safitri Rahmat Budiarto Rahmawati, Nur Fajri Rahmayanti, Fetty Dwi Ramadhani, Detri Ardi Ramadhani, Rezky Puryan Ranti Wiliasih Ratu Fatkhunnisa Rd. Selvy Handayani Rianto, Dwi Fajar Rinaldi Sjahril, Rinaldi Riska sukmawati Ritonga, Arya Widura Rizka Tri Arjuna Roedhy Poerwanto Roedhy Poerwanto Roelly Ainul Yaqin Rofiq, Muhamad Abdul Rohman, Fadil Rosdiana, Siska Rosyad, Astyani Samudra, Ferdianto Budi Sandra Arifin Aziz Santun R.P. Sitorus Saputro, Imron Gempur Sari, and Maryati Sembiring, Wildan Kahfi SERI KAMILA Shafira Pratiwi Sherly Eka Maulidiya Sigit Pramono Sinaga, Falencia Siska Rosdiana Siti Halimah Siti Halimatus Sadiyah Slamet Susanto Sobir Sobir Sobir Sobir Soekisman Tjitrosemito Sri Nurdiati Sri Suryo Sukoraharjo Sri Wahjuni Stefano, Indra Mario SUBOWO GITOSUWONDO Sudoyo, Bobot Sufiatul Maryana Sugiyanta Sugiyanta Sulassih, . Sulistyono, dan Eko Supijatno Surono, . Suwandi, Syifa Damaianti Suwarto Suwarto Syaiful Anwar Tantra, Aditya Wira Thifany, Ariny Jihan Tjahja Muhandri Ulfha Junita Ulinnuha, Zulfa Utami Prawati Vallerina Armetha Wijaya, Aldi Kamal Winarso D. Widodo WINARSO DERAJAD WIDODO WINARSO DRAJAD WIDODO Yoko Mine Yoko Mine Yoko Mine Yonny Koesmaryono Yunus, Ismadi Zaman, Sofyan Zarima Wibawati