Black pepper is one of Indonesia's agricultural commodities, contributing foreign exchange to the country. However, economic value this commodity has decreased. It influenced by lack diversified black products, which course, have a higher than raw material marketing. One product diversification that can be developed oil. In obtaining essential oils, appropriate methods and technology are needed...

Eugenol is the essential component of many spice oils such as clove, cinnamon leaf, basil, nutmeg, etc. The determination authenticity oil pivotal for estimating purity any oil. Hence, there a high time to identify marker compounds present in particular From ancient times, clove known physiological properties. It also widely used dentistry and has potent antioxidant property. In this study, eug...

This study examined the chemical composition of essential oil extracted from bark Alseodaphne peduncularis Meisn. (Lauraceae) by hydrodistillation with 0.2% yield. The was chemically characterised gas chromatography-flame ionization detector and chromatography-mass spectrometry, 31 constituents comprising 94.3% total content were identified. These included β-caryophyllene (24.5%), viridiflorol ...

Lemongrass (Cymbopogon citratus) is one of the plants as source essential oils, which are widely used food and beverage flavors aromatherapy. This plant has great potential to be developed due low prices high planting power. The extraction oils from lemongrass generally still uses conventional methods water distillation or steam distillation, requires a long time (about 6 hours) get good qualit...

The essential oil of Stachys lavandulifolia Vahl (Lamiaceae) was isolated by hydrodistillation of the aerial parts of the plant, with a yield of 0.25%. The chemical composition of volatile oil was analyzed by capillary GC and GC/ MS. The main components were germacrene-D (13.2%), ?-phellandrene (12.7%), ?-pinene (10.2%), myrcene (9.4%), ?-pinene (8.4%) and Z-?-ocimene (5.8%).