It is the secretion of a beetle, and is the raw material used to make shellac. Icse solutions for class 10 geography industries in india. Nr25 raman spectroscopy download free raman database download paper. India also has its control over yellow munga silk produced from assam. May 16, 2016 shellac is a resin secreted by an insect called the lac bug laccifer lacca kerr coccidae. Studies have shown that such a unique antioxidant composition of amla possesses strong antioxidant properties. Louisiana certified crop advisors june 2008 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ac d e j l m 62 myron rabalais dupont 78894294 myron. 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. May 31, 2019 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.
Shellac wax is purified from the secretion of lac insect, laccifer lacca. Entomology questions daily quiz 142 agri exam study. In korea the wood to make the body of the taepyeongso, a doublereed wind instrument and for making go bowls. 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.
Free radicals and reactive oxygen species directly damage the liver and thus, alter its normal structure and function. A film can be formed by applying the shellac dispersion to a suitable. Methods of processing of lac laccifer lacca kerr described. Hence it of the lac insect, laccifer lacca kerr and the allied appears that structural parameters of the host viz. Jujube is also grown as a host plant for the lac insect, laccifer lacca in india. Cultivation begins when a farmer gets a stick that contains eggs ready to hatch and ties it to the tree to be infested.
Pdf discovery of lac insects laccifer lacca opens new era. Shellac is a natural resin from the lac insect laccifer lacca. It is found in tropical or subtropical regions on banyan and other plants. Names of laccifer lacca in various languages of the world are also given. The mukul myrrh tree, or commiphora mukul, is small, thorny, and usually devoid of foliage. 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. 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. Of the many species of lac insect, laccifer lacca, tachardia lacca is the commercially cultured lac insect. The word lacquer is derived from lac, a sticky resinous substance that is the basis of some lacquers. Information and uses of lac laccifer lacca bimbima.
Download fulltext pdf discovery of lac insects laccifer lacca opens new era of integrated rural development in jammu. Other articles where indian lac insect is discussed. On some unrecorded host plants of the lac insect, laccifer lacca kerr, homoptera. Icse solutions for class 10 geography industries in. Lacquerwork, certain metallic and wood objects to which coloured and frequently opaque varnishes called lacquer are applied. Tn samacheer kalvi 10th books new syllabus 2019 to 2020 tamil nadu pdf free download. In 1982, the genus laccifer was synonymized with kerria and this has generally been accepted in accordance with taxonomic studies in india varshney 1976. 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. This holiday is traditionally celebrated with a gift of plant genitalia and candy. 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. The fresh collections in china were compared with k. Modelling the effect of process parameters on the wet. Aug 15, 2015 lakh is secretion of an insect laccifer lacca family coccoidea. Thousands of lac insects colonize the branches of the host trees and secrete the resinous pigment.
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. 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. Beneficial insects and their value to agriculture getanjaly, vijay laxmi rai, preeti sharma and ranjit kushwaha. These insects suck the sap of several plants and bushes and secrete lac as a protective. Us5567438a shellac dispersions and coatings, and method. This insect is a member of the order homoptera along with aphids, scale insects, mealy bugs, and cicadas. Cochineal is made from the female insect found on cacti called dactylopius coccus. The larvae settle down on a suitable place of the host plant. We dont get lot of herbs here in the us so please tell me something which i can order them. Uses, benefits, cures, side effects, nutrients in laccifer lacca.
These are scalelike insects feeding on resiniferous trees and bushes cultivated in 73 india, burma, thailand, laos, cambodia and vietnam. Shellac is prepared from a resinous secretion on the twigs of several tree species by an insect, tachardia lacca or laccifer lacca. 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. Bhl relies on donations to provide free pdf downloads and other. The wall of the ventriculus consists of a layer of large conical cells the free ends of which bulge out towards the lumen. Laccifer lacca herb uses, benefits, cures, side effects. How laccifer lacca is effective for various diseases is listed in repertory format.
Pdf economic importance of arthropods navodita george. Nov 18, 2016 biology laccifer lacca, female insect is viviparous, producing about nymphs, deep red in colour with black eyes, soft bodied, 0. A potent anticancer agent from laccifer lacca kerr article pdf available in indian journal of traditional knowledge 184. The orangeyellow dye is extracted from the outer coating of the seeds of this. Its common host tree include banyan, peepal, khadiraacacia catechu, berzizyphus mauritiana and palas butea monospema. Arthropods form an economically important group of animals. Herbs as a whole or their extracts have significant medicinal values1. Lac natural dye is a red color obtained from female insects coccus laccae laccifer lacca kerr. Biology laccifer lacca, female insect is viviparous, producing about nymphs, deep red in colour with black eyes, soft bodied, 0. In fact, the name shellac comes from the sanskrit word, laksha. The arabic inscription on the seal imprints relate to kalb ali khan, the. Of the many species of lac insect,laccifer lacca, tachardia lacca is the commercially cultured lac insect. The resinlike secretion hardens when exposed to air. Economically important plant families palomar college.
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 in the superfamily coccoidea, the scale insects. Wood is durable and hard, used in turnery and suitable for wood floor, furniture and construction. I have been looking for some herbal remedy to cure these problems for good. Indian gooseberry is very abundant source of natural antioxidants such as tannins, flavonoids, and vitamin c. Lac is widely used for making paints, bangles, fireworks, sealing wax, electrical insulation material, spirit laguns etc. It is often used as phsensitive enteric coating due to its acid character and its high dissolution ph value of about 7. Pdf discovery of lac insects laccifer lacca opens new. Tn samacheer kalvi 9th books new syllabus 2019 to 2020 tamil nadu pdf free download. However, an adapted subcoating to the characteristics of the encapsulated compound can. 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. 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. Posts about laccifer lacca written by gwen pearson.
Preliminary phytochemical investigation on the bark of. Additive effects on cotton dyeing with dye extract from. These insects feed on the saps of host trees, such as kul, sissoo, peepal, palash etc. Roselle colorant faded in the absence and presence of sodium dodecyl sulfate sds and tween 80 micelles. Chemically, it is composed of a complex mixture of polar and nonpolar components consisting of long chain fatty acids, wax esters, fatty alcohols, and. Being sapsuckers, these insects inflict damage to some plants as well1. The females are globular in form and live on twigs in cells of resin created by exudations of lac.
Bhl relies on donations to provide free pdf downloads and other services. It is widely used material in food and pharmaceutical fields as coating, glazing, and film forming agent 14, 15. There are two strains of beetle used for lac production in india. Article full text enhanced pdf format, 74752 bytes. Feb 14, 2011 posts about laccifer lacca written by gwen pearson. Luk, laccifer lacca, antiobesity, unani drug, hepatobilliary system. 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.
Kerria lacca is a species of insect in the family kerriidae, the lac insects. It is tolerably well known that lac is a resinous substance secreted by a scale insect family coccidae known as 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. Synthesis of jalaric esteri, possible key compound in the elaboration of lac resin by laccifer lacca kerr. 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.
Preliminary phytochemical investigation on the bark of some. Shellac is a resin secreted by an insect called the lac bug laccifer lacca kerr coccidae. Lac also called laksha is a slick serum and secretion from a scale insect species laccifer lacca. It is of brown color usually and these insects grow on acacia trees in india and burma. Lac dye is a mixture of at least five closely related laccaic acids derived from 2phenlantraquinone. Entomology questions daily quizzes sugarcane questions agricultural study quiz questions agriculture courses, assistant agriculture officer. Us5567438a shellac dispersions and coatings, and method of. 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 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. The production of lac is virtually a monopoly of india 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. Found in alcoholic drinks, fruit pie fillings, jams, many sweets and even cheeses.
Laccifer lacca kerr lac dye, eucalyptus leaves, jackfruit wood, indigo, safflower, and red soil amongst others1. Laccifer lacca, resins, antiobesity, standardization. The indian lac insect laccifer lacca is important commercially. But the lacquer of china, japan, and korea, which is made from the sap. 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.
Various management practices for these pests are discussed in this paper. 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. Tamil nadu 11th biology previous year question paper june. Lakh is secretion of an insect laccifer lacca family coccoidea. Scale insects present on twigs are heated to extract the resins and then purify. 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. Mhaskar and sukh devi national chemical laboratory, poona india received in the uk 2 august 1977. Introduction it is well known fact that the various medicinal plants describe in unani medicine play a vital role against range of diseases. The stability in micellar solutions of extracts from roselle calyx hibiscus sabdariffa linn. Lac is the resinous secretion of a number of species of lac insects, of which the most commonly cultivated is kerria lacca. Pigments checker lac dye extracted from the lac insect, laccifer llacca or coccus lacca and then precipitated with aluminium hydroxide. 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. Natural food pigments and colorants pdf free download.
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