Chemically, it is composed of a complex mixture of polar and nonpolar components consisting of long chain fatty acids, wax esters, fatty alcohols, and. It is of brown color usually and these insects grow on acacia trees in india and burma. There are two strains of beetle used for lac production in india. The word lacquer is derived from lac, a sticky resinous substance that is the basis of some lacquers. Entomology questions daily quizzes sugarcane questions agricultural study quiz questions agriculture courses, assistant agriculture officer. May 31, 2019 uses, benefits, cures, side effects, nutrients in laccifer lacca.
Thousands of lac insects colonize the branches of the host trees and secrete the resinous pigment. Lac is widely used for making paints, bangles, fireworks, sealing wax, electrical insulation material, spirit laguns etc. 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. We dont get lot of herbs here in the us so please tell me something which i can order them. It is tolerably well known that lac is a resinous substance secreted by a scale insect family coccidae known as laccifer lacca kerr. This holiday is traditionally celebrated with a gift of plant genitalia and candy. Laksha is a kind of resin that is produced when the laccifer lacca lac beetle makes its home in ficus, palas, kusum schleichera oleosa and ber ziziphus mauritiana trees. How laccifer lacca is effective for various diseases is listed in repertory format. On some unrecorded host plants of the lac insect, laccifer lacca kerr, homoptera. In 1982, the genus laccifer was synonymized with kerria and this has generally been accepted in accordance with taxonomic studies in india varshney 1976. It is the secretion of a beetle, and is the raw material used to make shellac. Kerria lacca is a species of insect in the family kerriidae, the lac insects.
Feb 14, 2011 posts about laccifer lacca written by gwen pearson. Jujube is also grown as a host plant for the lac insect, laccifer lacca in india. However, an adapted subcoating to the characteristics of the encapsulated compound can. Tn samacheer kalvi 9th books new syllabus 2019 to 2020 tamil nadu pdf free download. The indian lac insect laccifer lacca is important commercially. The production of lac is virtually a monopoly of india and. Its common host tree include banyan, peepal, khadiraacacia catechu, berzizyphus mauritiana and palas butea monospema. Entomology questions daily quiz 142 agri exam study. It is found in tropical or subtropical regions on banyan and other plants. Shellaca resin purified from the secretion of lac insects, laccifer lacca is one of the widely used natural materials in foods, pharmaceuticals, and cosmetics industry as a coating. In korea the wood to make the body of the taepyeongso, a doublereed wind instrument and for making go bowls. Lakh is secretion of an insect laccifer lacca family coccoidea. Icse solutions for class 10 geography industries in india.
Preliminary phytochemical investigation on the bark of some. The mukul myrrh tree, or commiphora mukul, is small, thorny, and usually devoid of foliage. It is often used as phsensitive enteric coating due to its acid character and its high dissolution ph value of about 7. Shellac is a resin secreted by an insect called the lac bug laccifer lacca kerr coccidae. Us5567438a shellac dispersions and coatings, and method of. Biology laccifer lacca, female insect is viviparous, producing about nymphs, deep red in colour with black eyes, soft bodied, 0. Luk, laccifer lacca, antiobesity, unani drug, hepatobilliary system. A film can be formed by applying the shellac dispersion to a suitable. Nr25 raman spectroscopy download free raman database download paper.
Coccoidea, the lac insect, in india in the late 18th century anantanarayanan raman close to 100 species of coccoids, grouped as lac insects, produce an oleoresin, better known as the shellac. These are in the superfamily coccoidea, the scale insects. Tn samacheer kalvi 10th books new syllabus 2019 to 2020 tamil nadu pdf free download. Laccifer lacca, resins, antiobesity, standardization. Tamil nadu 11th biology previous year question paper june. 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. 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. Studies have shown that such a unique antioxidant composition of amla possesses strong antioxidant properties. Shellac wax is purified from the secretion of lac insect, laccifer lacca. Wood is durable and hard, used in turnery and suitable for wood floor, furniture and construction. Pdf discovery of lac insects laccifer lacca opens new era. Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is kerria lacca. Cochineal is made from the female insect found on cacti called dactylopius coccus.
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. Additive effects on cotton dyeing with dye extract from. Shellac is prepared from a resinous secretion on the twigs of several tree species by an insect, tachardia lacca or laccifer lacca. Lac natural dye is a red color obtained from female insects coccus laccae laccifer lacca kerr.
Laccifer lacca kerr lac dye, eucalyptus leaves, jackfruit wood, indigo, safflower, and red soil amongst others1. Aug 22, 2011 in 1982, the genus laccifer was synonymized with kerria and this has generally been accepted in accordance with taxonomic studies in india varshney 1976. Louisiana certified crop advisors june 2008 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 ac d e j l m 31 benny w. The larvae settle down on a suitable place of the host plant. Sharma s 1, bhandari a 1, husain a 2, sharma rb 1, verma r 1 1faculty of pharmaceutical sciences, jodhpur national university, boranada, jodhpur, rajasthan. The word lac is the english version of persian and hindi words that means hundred thousand, indicating the large number of minute insects required to produce lac. The wall of the ventriculus consists of a layer of large conical cells the free ends of which bulge out towards the lumen. In fact, the name shellac comes from the sanskrit word, laksha. Free radicals and reactive oxygen species directly damage the liver and thus, alter its normal structure and function. An account of the occurrence of chrysomphalus aurantii, mask and laccifer lacca, kerr on grape fruit in ranchi district, chota nagpur, with a note on the chalcidoid parasites of aspidiotus orientalis, newst. Download fulltext pdf discovery of lac insects laccifer lacca opens new era of integrated rural development in jammu. Pdf economic importance of arthropods navodita george.
Natural food pigments and colorants pdf free download. Lacquerwork, certain metallic and wood objects to which coloured and frequently opaque varnishes called lacquer are applied. This insect is a member of the order homoptera along with aphids, scale insects, mealy bugs, and cicadas. 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. Mhaskar and sukh devi national chemical laboratory, poona india received in the uk 2 august 1977.
India also has its control over yellow munga silk produced from assam. Found in alcoholic drinks, fruit pie fillings, jams, many sweets and even cheeses. Bhl relies on donations to provide free pdf downloads and other services. Of the many species of lac insect, laccifer lacca, tachardia lacca is the commercially cultured lac insect. Indian gooseberry is very abundant source of natural antioxidants such as tannins, flavonoids, and vitamin c. The word lac is the english version of persian and hindi words that means hundred thousand, indicating the large number of minute insects required to produce. It is widely used material in food and pharmaceutical fields as coating, glazing, and film forming agent 14, 15. Preliminary phytochemical investigation on the bark of. Methods of processing of lac laccifer lacca kerr described. Seal bags 18001880 silk and satin brocade the seals are made of wax and coloured red by the substance, lac, a resin produced by the insect laccifer lacca, commonly found in india. Beneficial insects and their value to agriculture getanjaly, vijay laxmi rai, preeti sharma and ranjit kushwaha. Posts about laccifer lacca written by gwen pearson.
Hence it of the lac insect, laccifer lacca kerr and the allied appears that structural parameters of the host viz. May 16, 2016 shellac is a resin secreted by an insect called the lac bug laccifer lacca kerr coccidae. 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. Pdf discovery of lac insects laccifer lacca opens new. Various management practices for these pests are discussed in this paper. Introduction it is well known fact that the various medicinal plants describe in unani medicine play a vital role against range of diseases. Lac also called laksha is a slick serum and secretion from a scale insect species laccifer lacca. These insects feed on the saps of host trees, such as kul, sissoo, peepal, palash etc. The fresh collections in china were compared with k. But the lacquer of china, japan, and korea, which is made from the sap of the tree rhus vernicifera, should not be confused with other types of. These are scalelike insects feeding on resiniferous trees and bushes cultivated in 73 india, burma, thailand, laos, cambodia and vietnam. Aug 15, 2015 lakh is secretion of an insect laccifer lacca family coccoidea. Herbs as a whole or their extracts have significant medicinal values1.
Icse solutions for class 10 geography industries in. Of the many species of lac insect,laccifer lacca, tachardia lacca is the commercially cultured lac insect. Laccifer lacca herb uses, benefits, cures, side effects. The stability in micellar solutions of extracts from roselle calyx hibiscus sabdariffa linn. Names of laccifer lacca in various languages of the world are also given. Pigments checker lac dye extracted from the lac insect, laccifer llacca or coccus lacca and then precipitated with aluminium hydroxide. Economically important plant families palomar college. Shellac is a natural resin from the lac insect laccifer lacca. Laccifer a beetle in the hemiptera order, also known as the lac beetle, which lacca latches onto the branches of selected host trees, sucking sap and secreting a resinous material.
Bhl relies on donations to provide free pdf downloads and other. Arthropods form an economically important group of animals. Nov 18, 2016 biology laccifer lacca, female insect is viviparous, producing about nymphs, deep red in colour with black eyes, soft bodied, 0. Synthesis of jalaric esteri, possible key compound in the elaboration of lac resin by laccifer lacca kerr. Guggul is the gum resin that comes from this tree, which belongs to the same genus as myrrh and has some similar components and actions. 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. Being sapsuckers, these insects inflict damage to some plants as well1. Uses, benefits, cures, side effects, nutrients in laccifer lacca. 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. Information and uses of lac laccifer lacca bimbima. Lac is the scarlet resinous secretion of a number of species of lac insects, of which the most commonly cultivated species is kerria lacca and laccifer lacca india. The resinlike secretion hardens when exposed to air.
Tamilnadu samacheer kalvi books tn scert school text books online pdf free download class 6th, 7th, 8th, 9th, 10th, 11th, 12th std 5th, 4th, 3rd, 2nd, 1st. Water extraction of sticklac produces the lac dye at about 0. But the lacquer of china, japan, and korea, which is made from the sap. Article full text enhanced pdf format, 74752 bytes. These insects suck the sap of several plants and bushes and secrete lac as a protective. Lac dye is a mixture of at least five closely related laccaic acids derived from 2phenlantraquinone.
Us5567438a shellac dispersions and coatings, and method. The females are globular in form and live on twigs in cells of resin created by exudations of lac. Cultivation begins when a farmer gets a stick that contains eggs ready to hatch and ties it to the tree to be infested. Roselle colorant faded in the absence and presence of sodium dodecyl sulfate sds and tween 80 micelles. The orangeyellow dye is extracted from the outer coating of the seeds of this. I have been looking for some herbal remedy to cure these problems for good. Other articles where indian lac insect is discussed. The arabic inscription on the seal imprints relate to kalb ali khan, the.
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