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