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A supply of pure, intact oil bodies is essential for carrying out morphological and biochemical studies of these plant organelles and exploring their application. Preparation requires a carefully controlled breakage of plant cells, followed by separation of the oil bodies from cytoplasm and cell debris. This paper focuses on the recovery and characterisation of oil bodies from pecan nuts where no work has been published to date. The results showed that soaking softens the nut tissue and appears to reduce the damage to oil bodies during grinding and centrifugal force must be carefully selected to minimise oil bodies damage on recovery. A 24 h soaking time coupled with a 5500 RCF recovery force allows for the recovery of intact pecan nut oil bodies.

Catharanthus roseus is an important medicinal plant found in various parts of the world and the bioactive compound has been extracted and used as anticancer agent to treat the cancer over decades. However, the extraction of bioactive compound also results in the generation of large quantities of pollution with wasted solvents. Toxic pollution occurs when synthetic chemicals are discharged or natural chemicals accumulate to toxic levels in the environment, causing reductions in wildlife numbers, degrading ecosystem functions and threatening human health. This review covers the extraction and phytochemical obtained leading to chemical compounds related to anti-cancer property of C. roseus. Additionally, recent advances of using biological cell cultures were also addressed. Thus, this work can be used for further investigation of C. roseus to be undertaken in future for its anticancer property further development and efficient production in drug industry.

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