Biophysicochemical Evaluation of Wild Hilly Biotypes of Jatropha curcas for Biodiesel Production and Micropropagation Study of Elite Plant Parts
2015
Verma, K. C. | Verma, S. K.
Depleting reserves of fossil fuel and increasing effects of environmental pollution from petrochemicals demands eco-friendly alternative fuel sources. Jatropha curcas oil, an inedible vegetable oil, can be a substitute feedstock for traditional food crops in the production of environment-friendly and renewable fuel. Jatropha oil is looked up in terms of availability and cost and also has several applications and enormous economic benefits. The seed oils of various jatropha biotypes from hilly regions were screened out and evaluated for their physiochemical parameters, viz, seed index(520–600 g), oil content (15–42 %), biodiesel yield (71–98 %), moisture content (2.3–6.5 %), ash content (3.2–5.6 %), acid value (4.2–26), density (0.9172–0.9317 g/cm³), viscosity (5–37 mm²/s), saponification value (195.8–204.2 mg/g), iodine value (106.6–113.6 mg/g), flash point (162–235 °C), cetane value (46.70–50.06 °C), free fatty acid value (2.5–10.2 %), and refractive index (1.4600–1.4710). Fatty acid profiling of jatropha resembles as edible oilseeds. NAA with BAP was found to be superior for callus induction (up to 87 %), as well as for shoot regeneration (up to12 shoots). Root induction (90–100 %) was successfully obtained in MS medium with or without phytoregulators. Grown plantlets were successfully transferred from lab to field with a survival rate of 80 %.
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