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Dobhal, N. P.
- Chemical Characterisation of Albizia procera, Benth. Seed Oil
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Indian Forester, Vol 115, No 3 (1989), Pagination: 180-182Abstract
Kernels constituting 45.5% of seeds of Albizia procera, Benth yielded 16.8% of a fixed oil which had acid value, 13.66; saponification niue, 178.28; iodine value (Wij's method), 102.51 and unsaponifiable. Matter, 4.11 per cent. Fatty acid composition. As determined by glc, is palmitic acid, 25.40; stearic acid, 4.93; oleic acid, 20.18; linoleic acid, 44.45; arachidic acid, 2.80 and behenic acid, 2.24 per cent. Fatty acid composition of the prescnt sample tallies to some extent with the results reported by Joshi et al. from Raipur (M.P), having linoleic acid as the major constituent wbich is also important from the nutritional point of view. Farooq et al. from Aligarh have reported oleic acid as the major constituent (50.89%).
- Chemical Studies on Oil-seeds of Forest Origin
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Indian Forester, Vol 114, No 3 (1988), Pagination: 158-162Abstract
Results of analysis carried out on 31 forestry species have shown that oil contents of seeds of Abies pindrow. Picea smithiana. Pirus roxburghii, Prinsepia utilis, Schima wallichii and Viburnum cylindricum range from 18.77 to 28.7% and hence may be considered as good for their commercial exploitalion provided sufficient quantities of these seeds can be made available at reasonable rates. Seeds of Adenanthera microsperma and Albizia procera are hard. Hence special type of decorticators are required for separating the kernels. Seeds of Lannea coromandelica and Michelia champaca contain low percentages of kernels the oil contents of which are good. The seeds of other species cannot be considered as oil seeds.- Chemical Characterisation of Olea dioica Roxb. Seed Oil
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Indian Forester, Vol 114, No 12 (1988), Pagination: 882-883Abstract
The kernel (48.8% of seeds) of Olea dioica Roxb received from Nasik (Maharashtra) yielded 24.54% of a fixed oil' having refractive index' 1.4369/25°C; acid value' 42.35' saponification value' 208.97 and Iodine value' 87.67. Gas-liquid chromatographic analysis of the mixed acids has shown the fatty acid composition as palmitic' 24.10%; arachidic' 7.93%; behenic' 0.77%; Oleic' 41.45%; linoleic' 15.04% and others (unidentified acids), 10.71%. The seed oil may be recommended for edible use after ascertaining its non-toxic nature.- Extraction and Chemical Composition of Gum from Seeds of Subabul (Leucaena leucocephala)
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Indian Forester, Vol 110, No 10 (1984), Pagination: 1030-1032Abstract
no abstract- Storage Studies on Kattha
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Indian Forester, Vol 108, No 5 (1982), Pagination: 369-373Abstract
Storage studies on two sample of kattha having 67.5 and 70.8 per cent of catechin were made under different storage conditions for a period of one year. The studies indicate that diffused light does not affect the colour or composition of dry samples of kattha having lesser amounts of cutch.- Edible Katha-Preliminary Observations on its Quality and Specifications
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Indian Forester, Vol 90, No 1 (1964), Pagination: 27-29Abstract
No abstract- Pilot Plant Production of Katha and Cutch from Khair Tree Acacia catechu Willd.
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Indian Forester, Vol 91, No 11 (1965), Pagination: 778-780Abstract
The article describes pilot plant trials of the two stage process of Katha and Cutch production recently developed in the Chemistry of Forest Products Branch of this Institute (Indian Forester, 1965,91 (1), 67). Total yield of katha and cutch obtained are 9.35 per cent and 5.66 per cent respectively on the oven dry weight of the heartwood.- Studies on the Suitability of Origanum vulgare Seed Oil in Paint and Varnish Industry
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Indian Forester, Vol 92, No 4 (1966), Pagination: 218-220Abstract
Drying properties of Origanum vulgare seed oil are described.- A Preliminary Note on Variation in Catechin Content of Acacia catechu Tree with its Age in the Siwalik Forest Division of the Uttar Pradesh Forests
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Indian Forester, Vol 95, No 9 (1969), Pagination: 650-652Abstract
Percentages of heartwood, total water solubles and catechin content of Acacia calechu trees of different age class cultivated in four different localities of Siwalik Forest Division of Dehra Dun are described. Observations on the occurrence of kheersal (natural deposit of condensed catechin) are also recorded.- Note on Catechin of Acacia catechu (Khair Wood) and Effect of some Food Additives on its Coloured Solutions
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Indian Forester, Vol 99, No 3 (1973), Pagination: 149-151Abstract
Physico-chemical properties of catechin isolated from khair heartwood and the effect of chemical reagents generally used as food additives on the colour of catechin solutions are described.- Studies on the Regional Variations of Sal (Shorea Robusta Gaertn. f.) Seed Oil/fat
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