In the present study an attempt has been made to propose the application of natural dye from Ixora coccinea L., commonly known as Jungle geranium, in the field of textiles and cosmetics. Dyeing with I. coccinea colourant with different combinations of mordants resulted in different shades, such as pink, lilac, and grey shades. The dyed samples were tested according to ISO standard test methods. The samples dyed with combinations of stannous chloride/ferrous sulphate and stannous chloride/ammonium ferrous sulphate were found to have good wash, rubbing, and light fastness properties. Moreover, an effort was made to formulate lip balm. The formulation was evaluated for its stability at 25 and 40 °C for 90 days. The colour of the product was assessed by measuring the L*a*b* values. The product offers excellent properties of smoothness, spreadability, and stability at 25 °C.
Justicia wynaadensis locally known as Moddu Soppu belongs to the family Acanthaceae. The aqueous bluish purple color extracted from the leaves and stems of Justicia is used in the preparation of a sweet dish by the natives of Kodagu district, Karanataka, India, exclusively during the monsoons. This traditional practice is believed to keep the people healthy throughout the year. Owing to its potential to be used as a natural colorant there is a strong need to develop efficient extraction method for maximum yield of colorant and preliminary scientific study of stability. Microscopy was carried out to find out the location of purple color in both leaves and stem and to study the anatomical details. An optimized microwave extraction method for extraction of colorant from Justicia has been developed. The microwave oven extraction yield of colorant is 9.41 % (±0.8598) under the optimized conditions of extraction time 30 min., extraction temperature 150°C and ratio of liquid to solid 30 ml/g. The study demonstrated that the purple extract of the plant was stable against pH range 6.0-8.0, low temperature (4°C), high temperature (≥50°C) and sensitive to light. Thus these observations recommend the use of J. wynaadensis extract as a food colorant in neutral or slightly alkaline products (bakery, milk, egg etc.) and could be the potential source for the food colorant market.
As the technology is enhancing, people are coming closer to digital life and digital communication. There are many ways to communicate with others through internet in this new advanced era. Most of them are choosing the easiest way of communication i.e., Electronic mail (E-mail). E-mail is the technology that enables user to contact with others by sending mails and also helps in business world communication. There are people who cannot use these technologies because either they are illiterate or do not have ability to see the screen. So, to make this technology closer to visually challenged people, authors proposed a Voice Based E -mail System. This system provides them the facility of communication and makes them much stronger and independent. This architecture will help blind people to access email and other multimedia functions. Leaving behind the old techniques, this voice -based email system will be containing new technologies that will be easily acceptable by visually challenged people.
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