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Добірка наукової літератури з теми "Laccifer lacca Kerr"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Laccifer lacca Kerr"

1

Mongkholrattanasit, Rattanaphol, Charoon Klaichoi, Monthon Nakpathom, Jitti Pattavanitch, and Nattadon Rungruangkitkrai. "Research on Pad-Dry Dyeing and Ultraviolet Protection of Silk Fabric Using Dyes Extracted from Laccifer lacca Kerr." Advanced Materials Research 1010-1012 (August 2014): 512–15. http://dx.doi.org/10.4028/www.scientific.net/amr.1010-1012.512.

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Silk fabric was dyed with the colourant extracted from Laccifer Lacca Kerr. by using post-mordanting process and pad-dry technique. The effect of metal mordantats at different mordant concentration levels on their colour strength was also investigated. Silk fabrics dyed with Laccifer Lacca extract showed a light pink shade, while those dyed with alum and stannous chloride produces pinkish-red colour. Silk mordanted with CuSO4 gave a purple red colour, while those dyed with FeSO4 had a reddish-gray colour. The fastness properties ranged from fair to good, while washing fastness was poor level.

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2

Yamada, Sadaji, Naoki Noda, Eiichi Mikami, Junko Hayakawa, and Masuo Yamada. "Analysis of Natural Coloring Matters in Food. III. Applications of Methylation with Diazomethane for the Detection of Lac Color." Journal of AOAC INTERNATIONAL 72, no. 1 (1989): 48–51. http://dx.doi.org/10.1093/jaoac/72.1.48.

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Abstract A new method has been proposed for detection of lac color in food. Lac color is a natural color additive derived from a secretion of the insect Coccus Laccae (Laccifer lacca Kerr). It is extracted from food with methanolic oxalic acid and eluted from a column of Amberlite XAD-2 with the same solvent. The fraction containing the lac color is treated with diazomethane to produce 2 reddish-orange markers. The marker species in the reaction mixture are detected by both thinlayer chromatography and reverse-phase liquid chromatography.

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3

Taskirawati, Ira, F. Gunawan Suratmo, Dudung Darusman, and Noor Farikhah Haneda. "PELUANG INVESTASI USAHA BUDIDAYA KUTU LAK (Laccifer lacca Kerr): STUDI KASUS DI KPH PROBOLINGGO PERUM PERHUTANI UNIT II JAWA TIMUR." PERENNIAL 4, no. 1 (2008): 23. http://dx.doi.org/10.24259/perennial.v4i1.179.

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Lac insect (Laccifer lacca Kerr) is phytophogus insect, that feed on Kesambi Tree (Schleichera oleosa Merr). During its life cycle, lac insect has been producing secretion in liquid form, known as LAK and having many uses, such as varnish/polish, food cover, drug capsule, cassette ribbon, etc. In 2005, Perum Perhutani has produced 60.547 kg LAK pellets, but has not fulfilled yet market demand. Cultivation technique is still conducted in a very sampling, and easy to be studied. Investment in developing lac insect is also profitable, and promising. There are two choices of management schemes in

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4

Kadha, F., Supriyanto, and N. F. Haneda. "Traditional Cultivation Of Laccifer lacca Kerr. in Alor, East Nusa Tenggara." IOP Conference Series: Earth and Environmental Science 394 (December 6, 2019): 012058. http://dx.doi.org/10.1088/1755-1315/394/1/012058.

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5

Perveen, Aisha, George E. Barreto, Nasreen Jahan, et al. "Antifertility Activity of Lac (Laccifer lacca Kerr.) in Female Wistar Rat Model." Immunology‚ Endocrine & Metabolic Agents in Medicinal Chemistry 16, no. 1 (2016): 39–48. http://dx.doi.org/10.2174/1871522216666160202214324.

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6

Rostaman, Rostaman, and Bambang Sugeng Suryatna. "Evaluasi Produktivitas Kutu Lak, Laccifer lacca Kerr. (Hemiptera: Kerridae) pada Tiga Jenis Tanaman Inang." Jurnal Entomologi Indonesia 6, no. 2 (2016): 70. http://dx.doi.org/10.5994/jei.6.2.70.

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Анотація:

Lac insects (Laccifer lacca Kerr) live parasitically on “kosambi” plants, and produce resins that are called lac. Lac are used for electronics, printing, textile, clothing, cosmetics, and food industry. The insects also live on various plants. The goal of this research was to evaluate the population quality of Lac insect that live on three host plants. The best parameter for population quality was biomass or lac production. Three host plants were inoculated by broods. The result showed that “kosambi” was the best host plant for the insect due to higher biomass (i.e lac production) than “kabesa

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7

Mongkholrattanasit, Rattanaphol, Monthon Nakpathom, and Nattaya Punrattanasin. "Cold-Pad-Batch Dyeing of Silk with Laccifer lacca Kerr. and Garcinia dulcis (Roxb.) Kurz Bark." Advanced Materials Research 864-867 (December 2013): 2152–55. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.2152.

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Cold-pad-batch technique of silk dyeing fabric with two natural dyes (Laccifer lacca Kerr. And Garcinia dulcis (Roxb.) Kurz bark) using pre-mordant are performed using 3 different mordants namely, alum, tartaric acid and ferrous sulfate. The study showed that color intensity (K/S) slightly increased when the batching time increased from 1 to 24 hours. Dyed silk fabrics have different color shades depending on the types of mordant applied. Ferrous sulfate and alum was found to be the best mordants for improvements of color depth. Various fastness properties (wash, crock and light) of the dyed s

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8

Sujatmoko, Sujarwo. "PARASITES AND PREDATORS OF Laccifer lacca Kerr. ON LAC CULTURE IN EAST SUMBA, EAST NUSA TENGGARA." JOURNAL OF FORESTRY RESEARCH 6, no. 2 (2009): 119–25. https://doi.org/10.20886/ijfr.2009.6.2.119-125.

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Анотація:

Lac is one of the most important non-timber forest products and massively cultured in East Nusa Tenggara. It is the resinous secration of lac insects(Laccifer Lacca Kerr) which serves as a shield to protect the insects themselves from their enemy. Parasites and predators of the lac insert are the major problem associated with lac culture and hence potentially decrease lac production significantly. This study identified parasites and predators of the lac insect attacking cultures of lac in East Sumba, East Nusa Tenggara. Samples of insects were collected in March 2007 fromHambapraing, Mbatakapi

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9

Misra, Awadh Behari. "14. On the Internal Anatomy of the Female Lac Insect, Laccifer lacca Kerr (Homoptera: Coccidae)*." Proceedings of the Zoological Society of London 101, no. 1 (2009): 297–323. http://dx.doi.org/10.1111/j.1469-7998.1931.tb06194.x.

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10

Misra, Awadh Behari. "65. On the Internal Anatomy of the Male Lac Insect, Laccifer lacca Kerr (Homoptera, Coccidze)." Proceedings of the Zoological Society of London 101, no. 4 (2009): 1359–81. http://dx.doi.org/10.1111/j.1096-3642.1931.tb01067.x.

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