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Pengaruh Transportasi, Kultivar Anggrek Pot terhadap Kesegaran Bunga Selama Peragaan pada Berbagai Kondisi Ruangan Amiarsi, Dwi; Yulianingsih, -; Sabari, S D
Jurnal Hortikultura Vol 16, No 1 (2006): Maret 2006
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

Penelitian bertujuan mendapatkan ketahanan segar tanaman anggrek pot berbunga pada beberapa kondisi ruangan dengan atau tanpa pengangkutan. Penelitian dilaksanakan di Balai Penelitian Tanaman Hias dari bulan Juli 1998 sampai bulan April 1999. Tiga jenis tanaman pot anggrek Dendrobium berbunga (Candy Strip, Bunjet Pink dan Kyomeisabin) diperoleh dari petani bunga di daerah Cibubur, Bogor, Jawa Barat. Tanaman pot anggrek Dendrobium berbunga yang digunakan dalam penelitian ini merupakan tanaman yang berbunga pertama atau kedua. Pada sebagian tanaman pot dilakukan pengangkutan Jakarta–Bandung pulang pergi selama 10 jam (±308,3 Km). Penelitian menggunakan rancangan acak lengkap, pola faktorial dengan 3 ulangan. Hasil penelitian memperlihatkan bahwa anggrek Dendrobium Candy Strip pot berbunga yang ditempatkan di rumah sere penyinaran 55% tanpa dan dengan transportasi, mempunyai masa peragaan masing-masing 48,3 hari dan 43,9 hari, dengan bunga pertama layu mencapai 28,0 hari dan 24,2 hari, dan bunga mekar mencapai 100% setelah peragaan selama 24,7 hari dan 17,9 hari. Hasil penelitian ini dapat digunakan untuk mempertahankan mutu dan masa peragaan anggrek pot Dendrobium sp. berbunga selama pengangkutan, sehingga distribusi pemasarannya dapat lebih luasExperiment was conducted to find out the self-life of flowered potted Dendrobium at several rooms conditions with or without transportation treatment. The experiment was done at Indonesian Ornamental Crops Research Institute from Juli 1998 to April 1999. Three Dendrobium cultivars (Candy Strip, Bunjet Pink and Kyomeisabin) as potted plant were bought from farmers orchid at Cibubur, Bogor, West Jawa. Flowering  Dendrobium with potted plant used in this experiment was at first or second flowering. Potted plant was transported from Jakarta–Bandung vice versa for about 10 hours (±308.3 km). A completely randomized design with 3 replications was used. The results showed that without and with transportation potted plant Dendrobium Candy Strip placed in a screenhouse of 55% lighting, indicated shelf life of 48.3 and 43.9 days, with first flowers wilting and 100% flower opening at 28.0 and 24.2 days and 24.7 and 17.9 days, respectively. This research results were useful to maintain the quality and shelf-life during transportation so that their marketing distribution can be extended.
Pengaruh Transportasi, Tingkat Kemekaran Bunga, dan Kultivar Anggrek Pot Berbunga terhadap Ketahanan Segar pada Rumah Sere Amiarsi, Dwi; Yulianingsih, -; Sabari, S D
Jurnal Hortikultura Vol 16, No 1 (2006): Maret 2006
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

Penelitian ini bertujuan mendapatkan ketahanan segar bunga anggrek dendrobium pot di rumah sere penyinaran 55%. Penelitian dilaksanakan di Balai Penelitian Tanaman Hias Jakarta dari bulan Juli 1998 sampai bulan April 1999. Tanaman pot anggrek Dendrobium berbunga yang digunakan dalam penelitian merupakan tanaman yang berbunga pertama atau kedua. Tingkat kemekaran bunga yang dicoba  terdiri dari lima taraf yaitu 0-5% bunga mekar, 25–30% bunga mekar, 45–50% bunga mekar, 70–75% bunga mekar dan 90–95% bunga mekar. Pengangkutan dilakukan menggunakan mobil berpendingin (suhu 10-130C; RH 75-100%) selama 10 jam (±308,3 km). Penelitian dilakukan dengan rancangan acak lengkap, pola faktorial dengan 3 ulangan. Hasil penelitian menunjukkan bahwa tingkat kemekaran bunga 0-5% baik  untuk kultivar anggrek Dendrobium Bandung Pink maupun kultivar Dendrobium Sakura White masing-masing mempunyai umur kesegaran 36,4 dan 37,9 hari dengan persentase kemekaran bunga 87,5% dan 92,5%, waktu kemekaran bunga maksimum 17,7 dan 18,3 hari, bunga pertama layu 12,9 dan 14,5 hari. Perlakuan tersebut dapat mempertahankan kualitas bunga tetap prima dan dapat memperpanjang masa kesegaran tanaman pot berbunga setelah pengangkutan.The experiment was conducted to find out the flower shelf-life of potted Dendrobium at screenhouse. The experiment was done at Research Institute of Ornamentals Plant Jakarta from July 1998 to April 1999. Potted Dendrobium used in the experiment was bearing first or second flowers. In this experiment, five blooming stages (0-5%, 25-30%, 45-50%, 70-75%, and 90-95% bud opening) of Dendrobium orchid were used. Potted plants were transported from Jakarta–Bandung vice-versa using refrigated vehicle (10-13oC of temperature and 75-100% RH) for about 10 hours (±308.3 km). The experiment was arranged in a factorial completely randomized design with 3 replications. The results of the experiment indicated that potted Dendrobium cultivar Bandung Pink and Sakura White with blooming stage of 0-5% gave the best keeping quality with percentage of bud opening 85.7 and 92.5%, time of maximal blooming 17.7 and 18.3 days, time of first wilting flowers 12.9 and 14.5 days, and shelf-life 36.4 and 37.9 days respectively. By applying those treatment the period of potted plant flower shelf-life could be extended and quality after transportation could be maintained.
Formula Larutan Pulsing untuk Bunga Potong Alpinia Yulianingsih, -; Amiarsih, Dwi; Diharjo, Sabari Sorso
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Larutan pulsing merupakan perlakuan yang diberikan pada bunga sebelum pengiriman untuk memberi tambahan sumber energi, dan melindungi tangkai bunga dari masuk dan berkembangnya mikroorganisme penyebab penyumbatan pada batang dan menunda senesensi. Tujuan penelitian adalah memperoleh komposisi larutan pulsing yang tepat dalam upaya memperpanjang masa kesegaran bunga potong Alpinia. Penelitian menggunakan 3 jenis bahan pengawet masing-masing terdiri dari 3 taraf konsentrasi, yaitu gula (10, 20, 30%), AgNO3 (25, 50, 75 ppm), dan thiabendazol (25, 50, 75 ppm). Penelitian dilaksanakan menggunakan rancangan acak lengkap faktorial dengan 3 ulangan. Hasil penelitian menunjukkan bahwa perendaman dalam larutan 20% gula + 50 ppm AgNO3 + 50 ppm thiabendazol (pH 3-4) selama 2 jam memberikan hasil terbaik, dengan masa kesegaran bunga potong mencapai 12,78 hari (6,39 hari lebih lama dibanding tanpa perendaman) dengan persentase pembukaan bractea 42,13%.ABSTRACT. Yulianingsih, D. Amiarsi, and Sabari S. 2006. The effect of pulsing solution on the freshness of alpine cut flower. Pulsing solution is commonly used to prolong vaselife by dipping the flower stems in a solution containing sugars and germicides before delivery in order to serve source of energy and to prevent the plugging of stems by microbial growth. An experiment was conducted to determine the appropriate composition of pulsing solution to prolong vaselife of alpine cut flower. In this experiment, 3 kinds of preservatives at 3 concentrations of pulsing solutions were tested, consisted of 10, 20, 30% sugar, 25, 50, 75 ppm AgNO3, and 25, 50, 75 ppm thiabendazole. The experiment was arranged in a factorial completely randomised design with 3 replications. The results indicated that pulsing solution of 20% sugar + 50 ppm AgNO3 + 50 ppm thiabendazole and dipping periode of 2 hours was the best treatment with vaselife of 12.78 days (6.39 days longer than the control) with bud opening of 42.13%.
Pengaruh Jenis dan Perbandingan Pelarut terhadap Hasil Ekstraksi Minyak Atsiri Mawar Amiarsih, Dwi; Yulianingsih, -; Diharjo, Sabari Sosro
Jurnal Hortikultura Vol 16, No 4 (2006): Desember 2006
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

ABSTRAK. Penelitian bertujuan mendapatkan jenis dan perbandingan pelarut yang tepat dalam upaya mendapatkan rendemen concrete dan minyak mawar berkadar tinggi dengan mutu prima. Penelitian dilaksanakan di Laboratorium Fisiologi Tanaman Balai Penelitian Tanaman Hias, Pasarminggu, Jakarta. Mawar American Beauty, diekstraksi dengan jenis pelarut (heksan, petroleum eter, dan metil isobutil keton) dengan perbandingan bunga dan pelarut (1:1, 1:2, dan 1:3) selama 12 jam. Pengambilan filtrat melalui penyaringan dan pemerasan. Ekstrak dievaporasi vakum untuk mendapatkan concrete. Concrete yang diperoleh dilarutkan dengan etanol 96% dan diuapkan kembali untuk mendapatkan minyak mawar (absolut). Parameter yang diamati adalah rendemen concrete dan absolut, indeks bias, dan komponen penyusun minyak. Rancangan penelitian menggunakan acak lengkap pola faktorial dengan 3 ulangan. Hasil penelitian terbaik menunjukkan bahwa rendemen concrete dan rendemen absolut pada jenis pelarut metil isobutil keton dengan perbandingan bunga dan pelarut 1:3, masing-masing 1,35 dan 0,74%. Mutu minyak mawar yang dihasilkan mempunyai indeks bias 1,49 dan mengandung komponen penyusun minyak atsiri dengan 6 komponen sudah diidentifikasi, yaitu fenil etil alkohol, citronellol, geraniol, metil eugenol, α-pinena, dan β–pinena.ABSTRACT. Amiarsi, D., Yulianingsih, and Sabari S.D. 2006. The effect of kinds and composition of solvent on the yield of rose essential oil. The objective of the study was to find out the best kind and composition of solvent for extraction of rose essential oil with good quality and quantity of concrete and absolute. The treatments were extraction by dipping flower in 3 kinds of solvent (hexane, petroleum ether, andisobuthyl ketone) with composition of flower-solvent (1:1, 1:2, and 1:3) for 12 hours. Solution was separated by filtering and manual pressing. Extract was vacuum evaporated to produce concrete. Concrete was dissolved in ethanol 96% and vacuum evaporated to get absolute rose essential oil. Observations were done on the yield of concrete and absolute, refraction index of absolute, and the composition of essential oil. The experiment was arranged in a factorial completely randomized design with 3 replications. The results indicated that the highest concrete and absolute rendement was obtained by methyl isobuthyl ketone solvent with composition of 1:3 flower-solvent, i.e. 1.35% and 0.74% respectively. Rose essential oil showed good quality with refraction index of 1.49 and 6 component of essential oil were identified, i.e. fenyl ethyl alcohol, citronellol, geraniol, methyl eugenol, α-pinena, and β–pinena.
Seleksi Jenis Bunga untuk Produksi Mutu Minyak Mawar Yulianingsih, -; Amiarsih, Dwi; Tahir, Ridwan; Diharjo, Sabari Sosro
Jurnal Hortikultura Vol 16, No 4 (2006): Desember 2006
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

ABSTRAK. Mawar yang banyak ditanam petani mempunyai potensi sebagai bahan baku pembuatan minyak bunga yang dapat meningkatkan manfaat dan nilai tambah bunga, yang selama ini hanya digunakan sebagai bunga segar dan bunga tabur. Penelitian ini bertujuan mendapatkan jenis mawar yang tepat dalam upaya mendapatkan concrete dan minyak mawar berkadar tinggi dengan mutu prima. Bunga mawar diekstraksi dengan pelarut heksan, perendaman, dan pengadukan. Perbandingan bunga dan pelarut 1:2 dengan lama ekstraksi 12 jam. Pengambilan filtrat melalui penyaringan dan pemerasan. Ekstrak dievaporasi vakum untuk mendapatkan concrete. Concrete yang diperoleh diekstrak dengan etanol 96% dan diuapkan kembali untuk mendapatkan minyak. Rancangan penelitian menggunakan acak lengkap pola faktorial dengan 3 ulangan. Pengamatan dilakukan terhadap rendemen concrete, minyak, indeks bias, dan komposisi kimiawi. Hasil penelitian menunjukkan bahwa jenis mawar Americana Beauty menghasilkan rendemen concrete dan absolut tertinggi, yaitu 0,14% dan 0,06%. Nilai indeks bias tertinggi dimiliki jenis mawar putih tabur (1,45-1,47). Komponen utama penyusun absolut mawar adalah fenil etil alkohol, sitronellol, dan geraniol. Pada mawar Americana Beauty didominasi senyawa metil eugenol.ABSTRACT. Yulianingsih, D. Amiarsi, R. Tahir, and Sabari S.D. 2006. Selection of roses for producing good quality of rose oil. Roses flower is potential for producing rose oil for product diversivication and for increasing its value added which usually just used as cutflower and grave yard flower. The objective of this research was to determine kinds of rose varieties (Local Red Rose, Local White Rose, Americana Beauty, and Holland Red Rose) for producing good quality and quantity of concrete/absolute. Rose flowers were extracted by dipping flower in to hexane solution for 12 hours. Ratio of flower and solvent was 1:2. Solution was harvested by filtering and manual pressing. Solution was vacuum evaporated to produce concrete, from which absolute would be produced by dissolving in ethanol 96% followed by vacuum evaporation. Observations were done on rendemen of concrete and absolutes, refraction index, and chemical composition of absolutes. The experiment was arranged in a factorial completely randomized design with 3 replications. The results showed that Americana Beauty variety gave the highest rendemen of concrete and absolutes of rose i.e. 0.14% and 0.06% respectively. The highest refraction index was found in Local White Rose (1.45-1.47). The specific components in absolute rose oil were fenyl ethyl alcohol, citronellol, and geraniol. While methyl eugenol was a dominantly found in absolute oil of Americana Beauty roses.
Teknik Enfleurasi dalam Proses Pembuatan Minyak Mawar Yulianingsih, -; Amiarsih, Dwi; Diharjo, Sabari Sosro
Jurnal Hortikultura Vol 17, No 4 (2007): Desember 2007
Publisher : Indonesian Center for Horticultural Research and Development

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Abstract

ABSTRAK. Penelitian dilaksanakan di Laboratorium Balai Penelitian Tanaman Hias Jakarta dari bulan Juni 1998 sampai bulan Mei 1999. Penelitian bertujuan memperoleh jenis dan komposisi lemak hewan yang tepat untuk proses enfleurasi minyak mawar. Teknik enfleurasi dalam proses pembuatan minyak mawar dicoba dengan bahan dasar bunga mawar merah tabur asal Bandungan, Jawa Tengah. Penelitian menggunakan rancangan acak lengkap faktorial dengan 3 ulangan. Perlakuan yang diuji adalah (a) campuran lemak sapi + lemak ayam (1:1; 1:2; 1:3, 2:1, dan 3:1), (b) campuran lemak kambing dan lemak ayam (1:1, 1:2, 1:3, 2:1, dan 3:1), dan (c) campuran lemak sapi + kambing + ayam (2:1:0,5 dan 2:1:1). Hasil penelitian menunjukkan bahwa perlakuan yang terbaik adalah campuran lemak hewan dengan perbandingan lemak sapi:lemak kambing:lemak ayam sebesar 2:1:1, yang mempunyai tingkat kekerasan 13,2 mm/5 detik/50 g pemberat, dan bertekstur halus. Rendemen absolut yang dihasilkan mencapai 0,076-0,174% dengan indeks bias 1,46-1,53 dan komponen utama penyusun absolut mawar adalah fenil etil alkohol (11,76-22,34%), sitronelol (2,71-6,05%), dan geraniol (3,37-4,99%). Teknik enfleurasi dapat digunakan dalam produksi minyak mawar bermutu.ABSTRACT. Yulianingsih, D. Amiarsi, and Sabari S. 2007. The Enfleuration Tehnique for Producing Rose Oil. The research was conducted at Indonesian Ornamental Plant Research Institute Laboratory in Jakarta from June 1998 to May 1999. The aim of the experiment was to find out the appropriate composition and kinds of animal fat for enfleuration process for producing rose oil. The enfleuration technique was used to produce volatile oil from red rose flowers from Bandungan, Central Java. Experiment was arranged in a factorial completely randomized design with 3 replications. The treatments were (a) mixture of animal fat of cow + chicken with ratio (1:1, 1:2, 1:3, 2:1, and 3:1), (b) mixture of animal fat of goat + chicken (1:1, 1:2, 1:3, 2:1, and 3:1), and (c) mixture of animal fat of cow + goat + chicken (2:1:0,5 and 2:1:1). The results of the experiment indicated that the best treatment was absorbent mixture of animal fat of cow, goat, and chicken with ratio of 2:1:1 with consistency of 13.2 mm/5 sec/50 g ballast, soft enough, and smooth texture. The rendement of absolute was about 0.076-0.174%, with refraction index 1.46-1.53, and the main components were phenyl ethyl alcohol (11.76-22.34%), citronellol (2.71-6.05%), and geraniol (3.37-4.99%). This enfleuration technique can be used to produce rose absolute with high quality.
Pengaruh Jenis dan Perbandingan Pelarut terhadap Hasil Ekstraksi Minyak Atsiri Mawar Amiarsih, Dwi; Yulianingsih, -; Diharjo, Sabari Sosro
Jurnal Hortikultura Vol 16, No 4 (2006): Desember 2006
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v16n4.2006.p%p

Abstract

ABSTRAK. Penelitian bertujuan mendapatkan jenis dan perbandingan pelarut yang tepat dalam upaya mendapatkan rendemen concrete dan minyak mawar berkadar tinggi dengan mutu prima. Penelitian dilaksanakan di Laboratorium Fisiologi Tanaman Balai Penelitian Tanaman Hias, Pasarminggu, Jakarta. Mawar American Beauty, diekstraksi dengan jenis pelarut (heksan, petroleum eter, dan metil isobutil keton) dengan perbandingan bunga dan pelarut (1:1, 1:2, dan 1:3) selama 12 jam. Pengambilan filtrat melalui penyaringan dan pemerasan. Ekstrak dievaporasi vakum untuk mendapatkan concrete. Concrete yang diperoleh dilarutkan dengan etanol 96% dan diuapkan kembali untuk mendapatkan minyak mawar (absolut). Parameter yang diamati adalah rendemen concrete dan absolut, indeks bias, dan komponen penyusun minyak. Rancangan penelitian menggunakan acak lengkap pola faktorial dengan 3 ulangan. Hasil penelitian terbaik menunjukkan bahwa rendemen concrete dan rendemen absolut pada jenis pelarut metil isobutil keton dengan perbandingan bunga dan pelarut 1:3, masing-masing 1,35 dan 0,74%. Mutu minyak mawar yang dihasilkan mempunyai indeks bias 1,49 dan mengandung komponen penyusun minyak atsiri dengan 6 komponen sudah diidentifikasi, yaitu fenil etil alkohol, citronellol, geraniol, metil eugenol, α-pinena, dan β–pinena.ABSTRACT. Amiarsi, D., Yulianingsih, and Sabari S.D. 2006. The effect of kinds and composition of solvent on the yield of rose essential oil. The objective of the study was to find out the best kind and composition of solvent for extraction of rose essential oil with good quality and quantity of concrete and absolute. The treatments were extraction by dipping flower in 3 kinds of solvent (hexane, petroleum ether, andisobuthyl ketone) with composition of flower-solvent (1:1, 1:2, and 1:3) for 12 hours. Solution was separated by filtering and manual pressing. Extract was vacuum evaporated to produce concrete. Concrete was dissolved in ethanol 96% and vacuum evaporated to get absolute rose essential oil. Observations were done on the yield of concrete and absolute, refraction index of absolute, and the composition of essential oil. The experiment was arranged in a factorial completely randomized design with 3 replications. The results indicated that the highest concrete and absolute rendement was obtained by methyl isobuthyl ketone solvent with composition of 1:3 flower-solvent, i.e. 1.35% and 0.74% respectively. Rose essential oil showed good quality with refraction index of 1.49 and 6 component of essential oil were identified, i.e. fenyl ethyl alcohol, citronellol, geraniol, methyl eugenol, α-pinena, and β–pinena.
Pengaruh Transportasi, Kultivar Anggrek Pot terhadap Kesegaran Bunga Selama Peragaan pada Berbagai Kondisi Ruangan Dwi Amiarsi; - Yulianingsih; S D Sabari
Jurnal Hortikultura Vol 16, No 1 (2006): Maret 2006
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v16n1.2006.p%p

Abstract

Penelitian bertujuan mendapatkan ketahanan segar tanaman anggrek pot berbunga pada beberapa kondisi ruangan dengan atau tanpa pengangkutan. Penelitian dilaksanakan di Balai Penelitian Tanaman Hias dari bulan Juli 1998 sampai bulan April 1999. Tiga jenis tanaman pot anggrek Dendrobium berbunga (Candy Strip, Bunjet Pink dan Kyomeisabin) diperoleh dari petani bunga di daerah Cibubur, Bogor, Jawa Barat. Tanaman pot anggrek Dendrobium berbunga yang digunakan dalam penelitian ini merupakan tanaman yang berbunga pertama atau kedua. Pada sebagian tanaman pot dilakukan pengangkutan Jakarta–Bandung pulang pergi selama 10 jam (±308,3 Km). Penelitian menggunakan rancangan acak lengkap, pola faktorial dengan 3 ulangan. Hasil penelitian memperlihatkan bahwa anggrek Dendrobium Candy Strip pot berbunga yang ditempatkan di rumah sere penyinaran 55% tanpa dan dengan transportasi, mempunyai masa peragaan masing-masing 48,3 hari dan 43,9 hari, dengan bunga pertama layu mencapai 28,0 hari dan 24,2 hari, dan bunga mekar mencapai 100% setelah peragaan selama 24,7 hari dan 17,9 hari. Hasil penelitian ini dapat digunakan untuk mempertahankan mutu dan masa peragaan anggrek pot Dendrobium sp. berbunga selama pengangkutan, sehingga distribusi pemasarannya dapat lebih luasExperiment was conducted to find out the self-life of flowered potted Dendrobium at several rooms conditions with or without transportation treatment. The experiment was done at Indonesian Ornamental Crops Research Institute from Juli 1998 to April 1999. Three Dendrobium cultivars (Candy Strip, Bunjet Pink and Kyomeisabin) as potted plant were bought from farmers orchid at Cibubur, Bogor, West Jawa. Flowering  Dendrobium with potted plant used in this experiment was at first or second flowering. Potted plant was transported from Jakarta–Bandung vice versa for about 10 hours (±308.3 km). A completely randomized design with 3 replications was used. The results showed that without and with transportation potted plant Dendrobium Candy Strip placed in a screenhouse of 55% lighting, indicated shelf life of 48.3 and 43.9 days, with first flowers wilting and 100% flower opening at 28.0 and 24.2 days and 24.7 and 17.9 days, respectively. This research results were useful to maintain the quality and shelf-life during transportation so that their marketing distribution can be extended.
Seleksi Jenis Bunga untuk Produksi Mutu Minyak Mawar - Yulianingsih; Dwi Amiarsih; Ridwan Tahir; Sabari Sosro Diharjo
Jurnal Hortikultura Vol 16, No 4 (2006): Desember 2006
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v16n4.2006.p%p

Abstract

ABSTRAK. Mawar yang banyak ditanam petani mempunyai potensi sebagai bahan baku pembuatan minyak bunga yang dapat meningkatkan manfaat dan nilai tambah bunga, yang selama ini hanya digunakan sebagai bunga segar dan bunga tabur. Penelitian ini bertujuan mendapatkan jenis mawar yang tepat dalam upaya mendapatkan concrete dan minyak mawar berkadar tinggi dengan mutu prima. Bunga mawar diekstraksi dengan pelarut heksan, perendaman, dan pengadukan. Perbandingan bunga dan pelarut 1:2 dengan lama ekstraksi 12 jam. Pengambilan filtrat melalui penyaringan dan pemerasan. Ekstrak dievaporasi vakum untuk mendapatkan concrete. Concrete yang diperoleh diekstrak dengan etanol 96% dan diuapkan kembali untuk mendapatkan minyak. Rancangan penelitian menggunakan acak lengkap pola faktorial dengan 3 ulangan. Pengamatan dilakukan terhadap rendemen concrete, minyak, indeks bias, dan komposisi kimiawi. Hasil penelitian menunjukkan bahwa jenis mawar Americana Beauty menghasilkan rendemen concrete dan absolut tertinggi, yaitu 0,14% dan 0,06%. Nilai indeks bias tertinggi dimiliki jenis mawar putih tabur (1,45-1,47). Komponen utama penyusun absolut mawar adalah fenil etil alkohol, sitronellol, dan geraniol. Pada mawar Americana Beauty didominasi senyawa metil eugenol.ABSTRACT. Yulianingsih, D. Amiarsi, R. Tahir, and Sabari S.D. 2006. Selection of roses for producing good quality of rose oil. Roses flower is potential for producing rose oil for product diversivication and for increasing its value added which usually just used as cutflower and grave yard flower. The objective of this research was to determine kinds of rose varieties (Local Red Rose, Local White Rose, Americana Beauty, and Holland Red Rose) for producing good quality and quantity of concrete/absolute. Rose flowers were extracted by dipping flower in to hexane solution for 12 hours. Ratio of flower and solvent was 1:2. Solution was harvested by filtering and manual pressing. Solution was vacuum evaporated to produce concrete, from which absolute would be produced by dissolving in ethanol 96% followed by vacuum evaporation. Observations were done on rendemen of concrete and absolutes, refraction index, and chemical composition of absolutes. The experiment was arranged in a factorial completely randomized design with 3 replications. The results showed that Americana Beauty variety gave the highest rendemen of concrete and absolutes of rose i.e. 0.14% and 0.06% respectively. The highest refraction index was found in Local White Rose (1.45-1.47). The specific components in absolute rose oil were fenyl ethyl alcohol, citronellol, and geraniol. While methyl eugenol was a dominantly found in absolute oil of Americana Beauty roses.
Formula Larutan Pulsing untuk Bunga Potong Alpinia - Yulianingsih; Dwi Amiarsih; Sabari Sorso Diharjo
Jurnal Hortikultura Vol 16, No 3 (2006): September 2006
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v16n3.2006.p%p

Abstract

ABSTRAK. Larutan pulsing merupakan perlakuan yang diberikan pada bunga sebelum pengiriman untuk memberi tambahan sumber energi, dan melindungi tangkai bunga dari masuk dan berkembangnya mikroorganisme penyebab penyumbatan pada batang dan menunda senesensi. Tujuan penelitian adalah memperoleh komposisi larutan pulsing yang tepat dalam upaya memperpanjang masa kesegaran bunga potong Alpinia. Penelitian menggunakan 3 jenis bahan pengawet masing-masing terdiri dari 3 taraf konsentrasi, yaitu gula (10, 20, 30%), AgNO3 (25, 50, 75 ppm), dan thiabendazol (25, 50, 75 ppm). Penelitian dilaksanakan menggunakan rancangan acak lengkap faktorial dengan 3 ulangan. Hasil penelitian menunjukkan bahwa perendaman dalam larutan 20% gula + 50 ppm AgNO3 + 50 ppm thiabendazol (pH 3-4) selama 2 jam memberikan hasil terbaik, dengan masa kesegaran bunga potong mencapai 12,78 hari (6,39 hari lebih lama dibanding tanpa perendaman) dengan persentase pembukaan bractea 42,13%.ABSTRACT. Yulianingsih, D. Amiarsi, and Sabari S. 2006. The effect of pulsing solution on the freshness of alpine cut flower. Pulsing solution is commonly used to prolong vaselife by dipping the flower stems in a solution containing sugars and germicides before delivery in order to serve source of energy and to prevent the plugging of stems by microbial growth. An experiment was conducted to determine the appropriate composition of pulsing solution to prolong vaselife of alpine cut flower. In this experiment, 3 kinds of preservatives at 3 concentrations of pulsing solutions were tested, consisted of 10, 20, 30% sugar, 25, 50, 75 ppm AgNO3, and 25, 50, 75 ppm thiabendazole. The experiment was arranged in a factorial completely randomised design with 3 replications. The results indicated that pulsing solution of 20% sugar + 50 ppm AgNO3 + 50 ppm thiabendazole and dipping periode of 2 hours was the best treatment with vaselife of 12.78 days (6.39 days longer than the control) with bud opening of 42.13%.
Co-Authors Dwi Amiarsi Dwi Amiarsi Dwi Amiarsih Ridwan Tahir S D Sabari Sabari Sorso Diharjo Sabari Sosro Diharjo