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Sarmah, Kritideepan
- Biochemical Characteristics, Fatty Acid Profiles and Antioxidant Activities of Tea Seed Oil
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Authors
Affiliations
1 Department of Biochemistry and Agricultural Chemistry, Assam Agricultural University, Jorhat 785 013, IN
1 Department of Biochemistry and Agricultural Chemistry, Assam Agricultural University, Jorhat 785 013, IN
Source
Current Science, Vol 114, No 12 (2018), Pagination: 2549-2554Abstract
India, the highest producer of the beverage tea (Camellia spp), is not yet self-sufficient on edible oil production. A large portion of oils from secondary sources remains unexploited, which also includes the potentiality of oil production originating from trees. The present study was undertaken to evaluate the possibility of tree-borne oilseeds like tea. The crude fat (oil) was extracted from the dried cotyledons of matured tea seeds of eight different bi-clonal tea seed stocks of Assam, which were commercially maintained for propagation purposes. The oil content ranged from 10.75% to 26.84%. Acid values, iodine values, saponification values and specific gravity of oil were found to be in the range 1.01–1.22 (mg KOH/g), 72.94–94.91 (gI2/100g), 177.56–200.45 (mg KOH/g) and 0.82–0.88 g/cm3 respectively. The saturated and unsaturated fatty acids range in tea seed oil as determined by GC-MS was 2.21–20.3% and 79.97–97.79% respectively. The 50% 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity (IC50 values) of oils of different bi-clonal seed stocks ranged from 60.3 to 81.52 mg/ml. Identification of high level of oleic acid and linoleic acid in most of the tea seed stocks revealed better nutritional quality of tea seed oil. The present study indicates the future scope of tea seed oils as a commercial product in India.Keywords
Bi-Clonal Seed, DPPH Scavenging Activity, Saponification, Tea, Unsaturated Fatty Acids.Full Text
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- Methods of Extraction of Mucin From Giant African Snail Achatina fulica Bowdich
Abstract Views :114 |
PDF Views:70
Authors
Partha Pratim Gyanudoy Das
1,
Badal Bhattacharyya
1,
Sudhansu Bhagawati
1,
Dhruba Jyoti Nath
2,
Kritideepan Sarmah
3
Affiliations
1 Department of Entomology, Assam Agricultural University, Jorhat 785013, Assam, IN
2 Department of Soil Science, Assam Agricultural University, Jorhat 785013, Assam, IN
3 Department of Biochemistry and Agricultural Chemistry, Assam Agricultural University, Jorhat 785013, Assam, IN
1 Department of Entomology, Assam Agricultural University, Jorhat 785013, Assam, IN
2 Department of Soil Science, Assam Agricultural University, Jorhat 785013, Assam, IN
3 Department of Biochemistry and Agricultural Chemistry, Assam Agricultural University, Jorhat 785013, Assam, IN
Source
Indian Journal of Entomology, Vol 84, No 2 (2022), Pagination: 296-300Abstract
Achatina fulica Bowdich is one of the most notorious pests in crop fields. However, the mucin secreted by this terrestrial mollusc has magnificent pharmaceutical attributes. In the present study, solvent and mechanical methods were explored to find out the best method of mucin extraction from this gastropod pest under laboratory conditions. In case of both medium and large sized snails, dichloromethane registered the maximum (2.79 ml and 2.94 ml, respectively) mucin collection out of the six solvents tested. Volume wise comparison showed that the maximum amount of mucin recovery was possible in the highest volume (3 ml) of solvents applied for both the age groups. Of all the mechanical methods tested, smoking method yielded maximum (2.05 ml and 3.02 ml) amount of mucin from both medium and large sized snails, respectively. However, the minimum mucin recovery was registered when the snails were allowed to move over rough tiles.Keywords
Achatina fulica, mucin, terrestrial mollusc, pharmaceutical, solvent, mechanical methods, gastropod pest, dichloromethane, smoking method, rough tiles, acharan sulfate.Full Text
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