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NilChouri-parta method of estimating seedlac yield from sticklac is an old method practiced in lac industries/trade. In most of places, chouri-parta is determined based on yield of golden seedlac (impurity-2% max.) obtained from samples of raw material taken through indigenous sampling method. The price of raw material (sticklac) may be finalized and paid to producer/ supplier on the basis of yield of golden seedlac obtained and price of golden seedlac. Seedlac is a semi-refined product obtained from sticklac through primary processing operations like crushing, washing drying, winnowing and grading for its further use in making different value added lac products. The raw material reaches to processing unit crop and season wise like aghani and jethwi for kusmi crop and baisakhi and katki for rangeeni crop mostly through middleman called arhatiya. It varied in terms of wooden material, impurity and to some aspect quality also results in different yield of seedlac. The yield of seedlac from kachha lac is 50-60% in kusmi and 35-45% in rangeeni whereas from pucca lac it is 60-75% in kusmi and 45-55% in rangeeni. This method of yield determination from a stick lac sample gives fair estimation of seedlac recovery agreed by both suppliers and buyers (processing industries) of sticklac.ICA

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Not AvailableNatural plant ecology support the livelihoods of a vast number of people through subsistence use of products, such as food, fodder, and medicinal plants; cash income obtained from sale of products; and more indirect ecological benefits such as the contributions of forests and trees to agricultural productivity and environment. The links between tree cover, access to food and improved dietary diversity are also becoming increasingly evident. While the benefits from forests are numerous, the tangible benefits like timber, bamboo, fuel wood, fodder, Non-Wood Forest Products (NWFPs), etc., are quantifiable. Intangible benefits like maintenance of ecological balance, conservation of soil and moisture, regulating the water flow, carbon sequestration, etc., are not quantified but are of great significance.Pest management and pruning activities are very critical for lac cultivation. Collection activities for other NWFPs are required proper isolation norms. The lac resin deteriorates in quality during storage. Therefore, lac and lac based products need proper handling and storage practices for retaining their properties and qualities. The deterioration in physical and chemical properties of lac takes place as a result of various chemical changes during storage. As it ages, lac slowly loses its solubility in alcohol, becomes less fluid and possesses poorer life under heat as a result of slow polymerization reactions. The extent of such deterioration depends upon various factors such as method of storage, storage environment (temperature and humidity), type of lac etc. Thus when stored in improper conditions for a long time, the resin becomes useless for all practical purposes which has became a major concern of lac industries.ICAr & CCSNIAM Jaipu

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Technical Bulletin No. 12/2015Machinery .....................................................................................................................1 Small Scale Lac Processing Units......................................................................3 Water Thinnable Paint ...........................................................................................7 Gasket Cement Compound ..................................................................................9 Improved Lac-based Wood Varnish .............................................................11 Multi Purpose Glazing Varnish : Lac Glaze ................................................13 Lac Wood Shine ......................................................................................................15 Lac-based Can Coating : CANLAC ..................................................................17 Natural Fruit Coating Formulation for Kinnow ........................................21 FreshCoat : Extending Shelf Life of Pomegranate .................................23 FreshCoat: Extending Shelf Life of Ginger ................................................25 FreshCoat : Extending Shelf Life of Seed Spices ...................................27 Fish to Dish : Nuggets from Freshwater Catfish .....................................29 Isoambrettolide ......................................................................................................33 Natural Nail Shine .................................................................................................35 Lac Dye based Natural Alta ..............................................................................37Not Availabl