Investigations on some of the important host plants of kerria lacca with reference to phloem distance. Tablet coating with its defects tablet pharmacy polymers. Current science is a fortnightly journal published since 1932 by the current science association, bangalore india in collaboration with the indian academy of sciences. Analisa pendapatan masyarakat sekitar hutanlak laccifer lacca kerr di kph probolinggo wilayah bkph kabuaran perum perhutani unit ii jawa timur oleh. Now a days, it is widely used in food and coloring industry. It is of brown color usually and these insects grow on acacia trees in india and burma.
Investigations on some of the important host plants of. Lac insects laccifer lacca kerr live parasitically on kosambi plants, and produce resins that are called lac. Enhancement of bloody fingerprints on nonporous surfaces. Aug 02, 2015 laccifer or kerria lacca or lac is a parasitic scale bug that feeds on the sap of certain tropical trees and secretes a sticky resin. Dec 04, 2019 an insect known by the name of lacciferlacca breeds on the branches of these trees and it ejects a secretion from its mouth. Us5567438a shellac dispersions and coatings, and method. Pullulan is used as the hair fixative agent, and a wetting agent can be added to the hair fixative compositions of the present.
Kerria lacca is a species of insect in the family kerriidae, the lac insects. Evaluasi produktivitas kutu lak, laccifer lacca kerr. Of the many species of lac insect,laccifer lacca, tachardia lacca is the commercially cultured lac insect. Lac is widely used for making paints, bangles, fireworks, sealing wax, electrical insulation material, spirit laguns etc. The spleen swells and gets enlarged when affected by a disease. Tamil nadu 11th biology previous year question paper june. There has long been controversy in the identification of commercial lac species in china. Laccifer lacca looks like tiny spots on plants having no limbs and covering with slick serum. Suited for drug targeting in the distal small intestine as soluble at ph 7.
The monohydric alcohol is present in drying time enhancing effective amounts such that drying times decrease with an increase in alcohol. To get the best food coatings from lac, the sticklac which processed need to be converted to seedlac and further become shellac. Morphology, life cycle and economic uses of laccifer lacca. It is one of the potential commodities in east nusa tenggara timur province. Analisa pendapatan masyarakat sekitar hutanlak laccifer. Lac scales are main cash crops and are cultured in burma, india and thailand. Kerriidae is an insect species that attack various plant species and produce lac as a byproduct. The females are globular in form and live on twigs in cells of resin created by exudations of lac. Lac are used for electronics, printing, textile, clothing, cosmetics, and food industry. Us5567438a shellac dispersions and coatings, and method of. On the internal anatomy of the male lac insect, laccifer.
In the twentieth century, the era of contemporary rearing began when bogdanow from russia in 1908 reared a blowfly, calliphora vomitoria. Lakh is secretion of an insect laccifer lacca family coccoidea. Status of two species of lac insects in the genus kerria from. The commonest and most widely occurring species of lac insect in india is laccifer lacca kerr which produces the bulk of commercial lac. Sometimes, these insects are difficult to recognize and we can only see resin excreted by them. A method of forming the aqueousbased shellac dispersion includes dissolving a shellac solution in a basic aqueous solvent to form a shellac solution and subsequently combining the shellac solution with an acidic aqueous solution, whereby the shellac precipitates to form the aqueousbased shellac dispersion. Anything wrong that disrupts the normal functioning of the spleen is a spleen disease. Information and uses of lac laccifer lacca bimbima. This secretion appears first as a shining layer which soon gets hardened after coming in contact with air. Keanekaragaman parasitoid dan predator kutu lak laccifer. Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is kerria lacca.
Natural dyes, extracts, tannins, mordants all the natural dyes, extracts and tannins on one page. A film can be formed by applying the shellac dispersion to a suitable surface and. This species is perhaps the most commercially important lac insect, being a main source of lac, a resin which can be refined into shellac and other products. During its life cycle, shellac flea secretes liquid known as lak and has many uses, such as varnishpolish, food cover, drug capsule, cassette ribbon, etc.
The insects produce compact and thick natural resin and attached to the branch commonly called shellac. Pigments checker lac dye extracted from the lac insect, laccifer llacca or coccus lacca and then precipitated with aluminium hydroxide. This involves selection and maintenance of host plants, inoculation of host plants with healthy lac insects, collection and processing of lac and protection against enemies. Awalnya, pemanfaatan shellac hanya sebatas sebagai bahan pelitur, pita kaset dan bahan isolasi. Lac laccifer lacca is an indian animal origin drug. The moving wall represents the time period between the last issue available in jstor and the most recently published issue of a journal. Lac insects are scale insects belonging to the family kerriidae.
Rearing of lac insects for commercial production of the lac is called as lac culture. Namun saat ini, shellac mempunyai kegunaan yang lebih luas diantaranya sebagai. It is tolerably well known that lac is a resinous substance secreted by a scale insect family coccidae known as laccifer lacca kerr. Aug 15, 2015 lakh is secretion of an insect laccifer lacca family coccoidea. Pdf discovery of lac insects laccifer lacca opens new era. It is stated to be thesource of thegumlac, and to occur by the. Cytological studies of the indian lac insect kerria lacca kerr resulted in contrary reports suggesting two quite distinct chromosome systems, the orthodox and the unorthodox. May 16, 2016 shellac is a resin secreted by an insect called the lac bug laccifer lacca kerr coccidae. Shellac flea laccifer lacca kerr is a phytophagous insect, which lives on kesambi tree schleichera oleosa merr. Lac is a resinous substance secreted by certain glands present in the abdomen of the lac insects. Shellaca resin purified from the secretion of lac insects, laccifer laccais one of the widely used natural materials in foods, pharmaceuticals, and cosmetics industry as a coating, glazing, and filmforming agent debeaufort et al. Status of two species of lac insects in the genus kerria. Icse solutions for class 10 geography industries in india. Shellaca resin purified from the secretion of lac insects, laccifer laccais one of the widely used natural materials in foods, pharmaceuticals, and cosmetics industry as a.
Lac is traditionally used as a dye because of its coloring properties and it is obtained from laccifer lacca kerr. These four laccaic acids contain a structure of phenolconjugated anthraquinone, and the side chain linked to the phenol part specify each type of laccaic acid. Lac culture is the scientific management of lac insects to obtain a high amount of quality lac. The goal of this research was to evaluate the population quality of lac insect that live on three host plants.
To evaluate the antioxidant, antimicrobial activity of different extracts along with identification of active constituents present in it. Lac insect of south east asia is referred to as kerria chinensis. Lac insects in china were firstly named laccifer lacca in the 1950s liu 1957, 1959. Laccifer lacca minute, resinous, crawling scale insect inserts beak in plant tissues, sucks sap secretes lac. A contribution to the life history of the lac insect, laccifer. The main commercial species of lac insect in india is k. Shellac material of natural origin purified resinous secretion of the insect laccifer lacca. Peluang investasi dan strategi pengembangan usaha budidaya. The resinlike secretion hardens when exposed to air. Shellaca resin purified from the secretion of lac insects, laccifer laccais one of the widely used natural materials in. It is found in tropical or subtropical regions on banyan and other plants. The main constituents are derivatives of anthraquinone, named laccaic acid a, b, c, and e. Dengan tersusunnya skripsi ini, penulis mengucapkan teriama kasih dan.
Mask and laccifer lacca, kerr on grape fruit in ranchi district, chota nagpur, with a note on the chalcidoid parasites of aspidiotus orientalis, newst. The size of the spleen varies from a person to person. These insects are considered to be of great economic value. Kerr in 1782 classification of lac insect phylum arthropoda class insecta order hemiptera family kerriidae genus. Scale insects present on twigs are heated to extract the resins and then purify. The secretion of lac begins immediately after the larval settlement on the new and tender shoots. A potent anticancer agent from laccifer lacca kerr. It is often unclear as to whether the insect is killed in the process of commercially obtaining shellac as the resin is left by the insect on various plants. These insects feed on the saps of host trees, such as kul, sissoo, peepal, palash etc. Media in category kerria lacca the following 2 files are in this category, out of 2 total. These are in the superfamily coccoidea, the scale insects. The family kerriidae contains nine genera and approximately 100 species bendov 2002, while the genus kerria. Gene expression and transmission in kerria lacca kerr heredity.
Morphology, life cycle and economic uses of laccifer lacca nature. The journal covers all branches of pureapplied science and technology such as physics, chemistry, life sciences, medicine, earth sciences, engineering and technology. This is neha i have been suffering from epilepsy from last 17 years and due to medicines i have lost my hair strength, eye problems and much more. A secretion of lac scale insect laccifer lacca kerr has been used for extraction of lac color, an orange or a red color. Of the many species of lac insect, laccifer lacca, tachardia lacca is the commercially cultured lac insect. Penelitian ini dilaksanakan di desa banyu anget kecamatan banyuglugur perum perhutani unit ii jawa timur, kph probolinggo, bkph kabuaran, krph banyu. It is also unique material in as much as it is the only resin of animal origin, being actually. In rare instances, a publisher has elected to have a zero moving wall, so their current issues are available. A contribution to the life history of the lac insect, laccifer tachardia lacca coccidae volume 19 issue 4 pratap singh negi. Its common host tree include banyan, peepal, khadiraacacia catechu, berzizyphus mauritiana and palas butea monospema. Cultivation begins when a farmer gets a stick that contains eggs ready to hatch and ties it to the tree to be infested. Laccifer lacca kerr ll has widely been used as pigmenting.
Pdf discovery of lac insects laccifer lacca opens new. Discovery of lac insects laccifer lacca opens new era of integrated rural. Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is kerria lacca cultivation begins when a farmer gets a stick that contains eggs ready to hatch and ties it to the tree to be infested. Spleen diseases herbal treatment, prevention, symptoms. Nr25 raman spectroscopy download free raman database download paper. Pdf on jan 1, 20, aisha perveen and others published. However, more work has to be done for improving its productivity as well as its quality. The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs alternatively, you can download the pdf file directly to your computer, from where it. Shellac that is produced by the lac insects of the genus kerria is widely used in chemicals, electronics, military, food, and other industries. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Download fulltext pdf discovery of lac insects laccifer lacca opens new era of integrated rural development in jammu. Lac is secreted by laccifer lacca kern that has been widely used as food coating materials. I have been looking for some herbal remedy to cure these problems for good. This secretion when it dries, sticks to the branches and is collected by the forestdwellers.
Luk laccifer lacca is one of the most valuable gifts of nature to man. Gene expression and transmission in kerria lacca kerr. Cytological studies of the indian lac insect kerria lacca kerr resulted in contrary reports suggesting two quite distinct chromosome systems, the orthodox and the unorthodox lecanoid system. Rapid industrialization helps to provide employment, enables the masses to raise their standard of living and also necessary from the point of view of defenses. We dont get lot of herbs here in the us so please tell me something which i can order them online easily. Laccifer or kerria lacca or lac is a parasitic scale bug that feeds on the sap of certain tropical trees and secretes a sticky resin. Discovery of lac insects laccifer lacca opens new era of integrated rural development in jammu.
Icse solutions for class 10 geography industries in. Pdf methods of processing of lac laccifer lacca kerr described. Studies on chromosome number and spermatogenesis in the lac insect laccifer lacca kerr. Pdf created with fineprint pdffactory pro trial version. The first scientific account of the lac insect was given by j. Students can download tamil nadu 11th biology previous year question paper june 2019 english medium pdf, tamil nadu 11th biology model question papers helps you to revise the complete tamilnadu state board new syllabus and score more marks in your examinations. Thousands of lac insects colonize the branches of the host trees and secrete the resinous pigment. Investment opportunity and strategy in developing laccifer.
The present invention is a combination of a linear polysaccharide such as pullulan and a monohydric alcohol in certain amounts. The indian lac insect laccifer lacca is important commercially. Classify the industries on the basis of size and investment. There are six genera of lac insects, out of which only five secrete lac, and only one, i. Publish projects, dissertation, theses, books, souvenir, conference proceeding with isbn. Kerridae production from three types of host plants. Download pdf download all download jpeg 2000 download text the journal of the bombay natural history society. Explain the need for rapid industrialization in india. The production of lac is virtually a monopoly of india and. Current science is a fortnightly journal published since 1932 by the current science association, bangalore india in collaboration with the indian academy of. On the internal anatomy of the male lac insect, laccifer lacca kerr homoptera, coccidze awadh behari misra d.1316 668 1123 845 1012 210 699 1304 900 771 746 1437 1125 1213 806 1349 605 402 287 1265 1452 996 65 1510 796 81 1482 1269 413 1071 1297 1036 670 1121 1204 935 264 1066 1100 343 453 659 1176 950 660 499 1407 436