Small amounts of indigo dye are used for dyeing wool and silk. Indigo also has been used as a treatment for a range of ills including scorpion bites and ovarian and stomach cancer. Indigo dye is a very popular dye and is one of the oldest dyes dating back thousands of years. Indigo dye continues to be used widely even though other new blue dyes have been introduced. Indigo dye continues to be the primary colour of blue jeans in the modern world.
Organic acids are important in food industry. Ethanoic acid can use to produce vinegar and used as food flavourings and preservative. Besides, it is also can be used in the manufacture of the fibre, acetate rayon. Carboxylic acid can be used for the preparation of different kinds of drugs such as aspirin, phenacetin and others. Aspirin is a drug used for pain relief while the patients who risk from heart attacks also take it regularly.
The Medicinal Properties of the Willow Tree Overview The willow tree has been used since ancient civilizations for its ornament, erosion control, timber, and especially its bark. The story of the willow tree dates to Hippocrates, 4000 BC, when people were advised to chew on the bark of a willow tree to lessen inflammation and reduce fever. The bark of the tree contains a compound called salicylic acid, which is a common ingredient in aspirin and is known for a multitude of medicinal effects ranging from something as simple as a pain-reliever to disease prevention. This paper focuses on the history of the willow tree, its anatomy, and its medicinal properties in relation to disease prevention. Willow Tree Anatomy The willow tree is of the genus
Is Tea Tree Oil Really Effective For Hair We have seen that tea tree oil takes care of numerous issues of our body and skin. However, is tea tree oil useful for hair or not? We should discover! Tea tree oil is advanced with heaps of antibacterial, calming, clean, antifungal, and antimicrobial properties, which is the reason there are loads of tea tree oil benefits for hair. The oil has these qualities because of the nearness of mixes called terpinene-4-oil and 1,8-cineole (3).
INTRODUCTION Cotton, wool or silk fibres are turned into yarn by hand spinning and the weaving of the same yarn is done on handloom thus the fabric is known as Khadi. The hand spinning and hand weaving is the age old technologies practised in India for producing exclusive fabrics. The term Khadi was given to these fabrics by Mahatma Gandhi during freedom movement. In 18th century the inventions of steam engines, spinning machines and power loom brought revolution in cotton textile industry. These developments coupled with British power in India.
First of all, comparing their history, both coffee and tea have been around for quite a long time. According to legends, tea was discovered in southwestern China 3000 BC during the Chinese Tang dynasty. It became popular among Chinese and Japanese priests and scholars, who drank it during meditation, but was not introduced to Europe until the 16th century. Soon after tea was made known in Europe, it became
INTRODUCTION Pigments are zilch but a naturally existing colored composite that absorbs light in the visible range of the electromagnetic spectrum. Most pigments are used in manufacturing and visual arts. These pigments could be employed to dye not only natural fibers like silk, cotton and wool, but also synthetic fibers like nylon and vinylon, and generally gave a good color tone. Synthetic inorganic chemical manufacturing rather than by grinding and washing clays or minerals taken directly from the earth. Several synthetic inorganic pigments are still used today, including iron blue, cobalt green dyed mainly with synthetic pigments.
Herbalism is widely used as outside conventional medicine in many cultures. However, clinical researchers reveal the value of herbal therapies in treating and preventing disease. Herbs have been used frequently in the past for medical purposes, in indigenous cultures, for example, African and Native American they use the herbs in the healing rituals, otherwise, other cultures use it to develop their medical systems such as Ayurveda and traditional Chinese medicine. In the 19th century, chemists started making their own formula of plant compounds, and over time, the use of the herbal medicine decreased in favor of drugs. Almost, one-fourth of pharmaceutical drugs is derived from plants.
DYEING Dyes are coloring materials used in dyeing textiles. Other hand it can be defined as a substance which may be natural or synthetic use to change or add color to the textile materials. They are incorporated into the fiber by chemical reaction, absorption, or dispersion. Dyes differ in their resistance to sunlight, perspiration, washing, gas, alkalizes, and other agents; their affinity for different fibers; their reaction to cleaning agents and methods; and their solubility and method of application. CLASSIFICATION OF DYES The English chemist William Perkins accidentally discovered the synthetic dye, mauve, in 1856, while he was trying to synthesize quinine in aniline.
Literature Review Cinnamon Cultivation Cinnamon (Cinnamomum zeylanicum) is one of the world's oldest spices. Sri Lanka is the main provider of cinnamon. The volatile oils obtained from the bark, leaf, and root bark vary significantly in chemical composition. Both gas-liquid chromatography and quantitative infrared spectrometry have recently been used to study changes in the chemical composition