Judul: Fractionation of Bangle Essential Oil (Zingiber purpureum) as Aromatherapy for Antiobesity
Abstrak: Bangle is one of aromatic plants which contains of essential oil. The aims of this research were to find essential oil from bangle rhizomes and fractions having potency as aromatherapy for antiobesity. The essential oil contained in the rhizome isolated using distilation method were 0.38-0.91% (v/w) based on wet weight. The potency of compound in crude essential oil, fraction 1, and fraction 4 as aromatherapy for antiobesity was tested in vivo on male Sprague-Dawley rats. Inhalation of crude essential oil, fraction 1, and fraction 4 showed lower response to body weight gain of rats than positive control group (cholesterol fed). Among the three inhalated groups, the rats inhalating fraction 4 had the lowest response to body weight gain, i.e. 37.34% (w/w). Based on analysis of terpenes by gas chromatography-mass spectrometry (GC-MS), the dominant compound in bangle essential oil and in fraction 4 is terpinene-4-ol, indicating that the compound is potential as an aromatherapy for antiobesity.
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Judul: Fraksionasi senyawa aktif minyak atsiri jahe sebagai pelangsing aromaterapi secara in vivo
Abstrak: Ginger is an Indonesian aromatic plant containing essential oil. The objectives of this research were to separate constituents of ginger essential oil and to evaluate the active components as aromatherapy for obesity using in vivo analysis. The essential oil was collected by steam distillation method as much as 1.57% (w/v) from ginger rhizomes. Fractionation of the essential oil was performed by silica gel column chromatography (gradient elution) resulting 11 fractions. Fraction 2, fraction 4, and ginger essential oil were analyzed for their activities as aromatherapy for antiobesity in vivo by using male Sprague-Dawley rats. Inhalation of fraction 2, fraction 4, and ginger essential oil showed lower response of rats body weight compared with the positive control (high cholesterol feed). From the three groups of rats, the essential oil inhalation group gave the lowest response for body weight increment, that is 6.17% (w/w). Based on gas chromatograpy-mass spectrometry analysis, the main component in ginger essential oil which affected the body weight of rats was camphene
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Judul: Pembangunan Perumahan Pada Wilayah Desakota Kaitannya Dengan Sistem Sosial Masyaraka t Asli
Abstrak: Faktor utama yang banyak mempengaruhi meningkatnya jumlah perumahan dan pemukiman pacta wilayah desakota adalah adanya tekanan populasi sebagai akibat dari migrasi besar-besaran menuju daerah desakota. Dengan kata lain, lokasi perumahan atau pemukiman menjadi tak memiliki banyak pilihan lagi, kota telah sesak dan sasaran selanjutnya para pengais materi di daerab kota adalab wilayah desakota. Masyarakat asli yang sejak lama tinggal di wilayah desakota merupakan bagian dari masyarakat desakota yang perlu diperhatikan. Baik disadari maupun tidak disadari, perubaban pada masyarakat asli desakota akan terjadi karena masyarakat selalu dalam keadaan dinamis. Selain itu perubahanjuga akan terjadi dikarenakan masyarakat adalah sistem yang terdiri dari bagian-bagian yang berhubungan serta berintegrasi secara fungsional, sehingga perubaban pada satu fungsi dari masyarakat akan mempengaruhi fungsi lainnya.
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