Abstractis study was aimed to depict potential eff ects of stable formulation (water in oil emulsion), containing  green tea (Camellia sinensis L) extract on skin sebum production in healthy human volunteers. For this purpose formulation was designed using   ethanolic green tea extract and Abil®EM was used as an emulsifi er. Formulation was applied to the cheeks of healthy human volunteers (n=) for a period of  weeks. Measurements for skin sebum production were considered using Sebumeter MPA . Results were compiled and any eff ect produced by the formulation was justifi ed statistically. It was observable that statistically signifi cant (p < . ) results were found for skin sebum production after long term application of the formulation.  formulation of green tea extract was ideal in all aspects and can be experienced in skin disorders like acne to further investigate its eff ects in unhealthy volunteers.

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Background: This study aimed to formulate a water-in-oil emulsion (formulation) of Terminalia chebula versus its vehicle (base) as control, and investigate its effects on skin melanin, skin erythema, skin moisture content, and transepidermal water loss (TEWL). Material and Methods: Base containing no active material, and formulation containing 5% concentrated extract of T. chebula, were developed. Different stability parameters were monitored at 8, 25, and 40 °C, as well as 40 °C + 75% relative humidity, for a period of 4 weeks. It was concluded that the creams remained stable at all storage conditions. Both base and formulation were applied to the cheeks of human volunteers for a period of 8 weeks. Different skin parameters were monitored every week to measure any effect produced by these creams. Results: Changes in TEWL produced by base and formulation were insignificant (p > 0.05) with respect to time while significant (p ≤ 0.05) with respect to base and formulation. The skin moisture content increased after the application of formulation throughout the study period; this effect was insignificant (p > 0.05) with respect to time while significant (p ≤ 0.05) with respect to base and formulation. Both base and formulation showed insignificant (p > 0.05) effects on skin melanin content with respect to time. Skin erythema was reduced by the formulation. Both base and formulation produced statistically insignificant (p > 0.05) effects on skin sebum. Conclusion: Both creams were aesthetic with respect to sensory evaluation. T. chebula topical cream showed a positive rejuvenating effect on human skin. Hopefully, this study will encourage more attention towards the research and utilization of herbal medicines.

:Okra [Abelmoschus esculentus L. (Moench)] also known as lady's finger is an important vegetable crop valued for its immature, tender and green fruits in India.One of the major bottlenecks in successful production of okra is the damage caused by early season sucking pests and fruit borers. Among the sucking pests leafhoppers (Amrasca biguttula biguttula) is undoubtedly more severe and destructive on okra during early stage of the crop. At present, most of the commonly used insecticides are not able to suppress its population below economic thresholds probably because of development of resistance. Among the different insecticides tested for bioassay under laboratory conditions, thiamethoxam 25 WDG at 0.2 g per litre and flonicamid 50 WG at 0.3 g per litre showed the highest mortality and was followed by fipronil 5 SC at 1 ml per litre, dinotefuran 20 SG at 0.2 g per litre and acetamiprid 20 SP at 1 g per litre which proved to be superior over imidacloprid 17.8 SL at 0.3 ml per litre, diafenthiuron 50 WP at 1 g per litre, lamda-cyhalothrin 5 EC at 0.5 ml per litre, emamectin benzoate 5 SG at 0.2 g per litre, fenpyroximate 5 SC at 1ml per litre and acephate 75 SP at 1 g per litre.The concentration mortality response of nymphs to these chemicals under laboratory was evidenced through leaf dip bioassay and the LC 50 values for these chemicals were computed. The LC 50 value of thiamethoxam 25 WDG, flonicamid 50 WG, fipronil 5 SC, dinotefuran 20 SG and acetamiprid 20 SP were 4. 03, 4.50, 16.18, 7.60 and 16.40 ppm respectively.The different insecticides which were promising through laboratory were field evaluated and the results revealed that thiamethoxam 25 WDG at 25 g a. i. per hectare was found to be effective against the leafhoppers followed by flonicamid 50 WG at 75 g a. i. per hectare, fipronil 5 SC at 25 g a. i. per hectare, dinotefuran 20 SG at 20 g a. i. per hectare and acetamiprid 20 SP at 20 g a. i. per hectare. Whereas, acephate 75 SP at 375 g a. i. per hectare was least effective against the leafhoppers.How to view point the article : Rekha, Somasekhar, Prabhuraj, A., Hosamani, A.C. and Khan, Hasan (2017). Bioassay of insecticides against okra leafhopper Amrasca biguttula biguttula (Ishida). Internat. J. Plant Protec., 10(2) : 364-368,

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