- Shweta Sharma
- Subhasini Sharma
- Arvind Pareek
- Pushpa Srivastava
- Ruby Grover
- Neha Upreti
- Shraddha Jain
- Aruna Rajawat
- V. S. Kavadia
- B. L. Pareek
- K. N. Chandrasekharan
- Nanda Sharma
- P. K. Singh
- S. Kumar
- S. Sharma
- Subhasini
- Suresh Kumar
- Pawan Kumar
- Pradeep Kumar Sharma
- A. K. Goswami
- K. L. Sehgal
- B. K. Gupta
- K . L. Sehgal
- S. P. Bhatta
- S. Balami
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Sharma, K. P.
- An Assessment of Nutritional Value of a Local Strain of Spirulina platensis Using Fish Model
Authors
1 Departments of Zoology, University of Rajasthan, Jaipur - 302 004, IN
2 Departments of Botany, University of Rajasthan, Jaipur - 302 004, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 41, No 6 (2004), Pagination: 265-268Abstract
Spirulina has the highest protein content among plants on earth. Therefore, it is favoured as a good diet supplement for growth and weight gains of malnourished children and adults, ruminants, weaning piglets, silkworm, fish Tilapia and Broiler chicks. Along with maximum protein content, Spirulina also contains lipids, vitamins, minerals and β carotene. The antioxidant property of β carotene is known to have anti-tumour effects in most animals and human beings. Spirulina feeding therefore prevented oral cancer in rats, whereas its blue pigment (phycocyanin) increased survival rate of mice injected with liver tumour cells, hence improved their immune system. Therapeutic properties such as lowering of cholesterol level in humans as well as alleviating premenstrual syndrome have been documented on Spirulina platensis. Spirulina has also been found effective against deadly viruses such as Herpes simplex virus type-1 and AIDS virus.- Toxic Effects of Aluminium and Fluoride on Planktonic Community of the Microcosms
Authors
1 Department of Botany, University of Rajasthan, Jaipur-302 004, IN
2 Department of Zoology, University of Rajasthan, Jaipur-302 004, IN
Source
Nature Environment and Pollution Technology, Vol 12, No 3 (2013), Pagination: 523-528Abstract
Aluminium and fluoride were found toxic to phytoplankton, periphyton and zooplankton in the microcosms raised in the greenhouse. The toxicity of aluminium was relatively higher than fluoride, more particularly, during winter season. There were significant reduction in counts of phytoplankton (49-80%), periphyton (algae = 40-68%, zooplankton = 35-75%) and zooplankton (5-77%) in the treatments in comparison to controls. As a result, Reciprocal Simpson index, Equitability index and Shannon- Weiner index decreased. Such changes will affect energy flow in the microcosms.Keywords
Aluminum, Fluoride, Phytoplankton, Zooplankton, Microcosms.- Acute and Chronic Toxicity of Aluminium Fluoride to Flora and Fauna in a Microcosm
Authors
1 Department of Botany, University of Rajasthan, Jaipur-302 055, Rajasthan, IN
2 Department of Zoology, University of Rajasthan, Jaipur-302 055, Rajasthan, IN
Source
Nature Environment and Pollution Technology, Vol 11, No 1 (2012), Pagination: 7-15Abstract
During acute toxicity study of aluminium fluoride, Daphnia similis L. was found to be the most sensitive organism (EC50 = 108.06 ppm) followed by Gambusia affinis Baird and Gerard (LC50 = 354.0 ppm) and Lemna aequinoctialis L. (EC50 for chlorophyll = 358.7ppm). The exposure (60 days) of producers and consumers at its sub-lethal concentration (35.4 ppm) casted toxic effects on them in artificial microcosms raised in the greenhouse. There was reduction in chlorophyll content (19-39%), dry weight (16%), acid phosphatase (ACP) (56%), alkaline phosphatase (ALP) (14%) and protein content (53%) of Ceratophyllum demersum L. The reduction in species richness (40%) and phytoplankton counts (counts = 47-54%) was significant during the study period while zooplankton counts (30%) in the first half of the study (day-30). Snail mortality was found nil while that of fish was moderate (37%). Their tissue biochemistry (ACP, ALP and protein content) was, however, altered significantly suggesting them to be under stress. AlF3 also had cytotoxic effects in fish decreasing RBC counts (19%) and causing morphological abnormalities. From these findings, we conclude that there are significant toxic effects of aluminium fluoride to organisms in the food web of aquatic ecosystems.Keywords
Acute and Chronic Toxicity, Aluminum Fluoride, Microcosm, Plankton, Snail, Fish.- Studies on the Organoleptic Qualities OE Cereals Fumigated with Aluminium Phosphide
Authors
1 Agriculture Research Station, Durgapura-Jaipur (Rajasthan), IN
2 Department of Entomology, College of Agriculture, Jobner - 303 329, IN
3 Department of Entomology, College of Agriculture, Sukhadia University, Udaipur - 313 001, IN
4 College of Home Science, Rajendra Agriculture University, Pusa (Bihar), IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 22, No 1 (1985), Pagination: 14-22Abstract
Aluminium phosphide (phosphine) being easy in handling, safe and effective, has been recommended for all types of fumigation in India. Earlier studies showed that this fumigant has left toxic residues in the grain, and as such the absorbed residues may affect the acceptability and other qualities of cereals and their products, hence these studies were undertaken.- Assessment of Environmental Contamination Potential of Distillery Effluent Using Plant and Animal Bioassays
Authors
1 Department of Botany, University of Rajasthan, Jaipur-302 004, Rajasthan, IN
2 Department of Zoology, University of Rajasthan, Jaipur-302 004, Rajasthan, IN
Source
Nature Environment and Pollution Technology, Vol 6, No 1 (2007), Pagination: 63-74Abstract
Toxic effects of spent wash and crop field soil irrigated with it (hereafter referred to as distillery soil) were examined on 6 species of plants (2 cereals and 4 aquatic macrophytes) and 3 animals (cladoceran, fish and albino mice) by short-term bioassays using end point growth responses and mortality respectively. Seedling emergence was found nil (rice) to low (wheat = 30-40%) in distillery soil, but increased (48-00%) proportionately alongwith their vigor after mixing garden soil. In contrast to distillery soil, toxic effects of even cent percent soil leachate were nil on seed germination while meager (10- 15%) on seedling vigor in both the cereals. Spent wash, however, decreased germination and seedling vigor in both rice (germination = 5-100%; vigor = 2-100%) and wheat (germination = 0-64%; vigor = nil-93%) with an increase in its concentration, though vigor was greater (43%) than control in wheat at 10%. Among aquatic macrophytes, free-floating species (Lemna aequinoctialis and Spirodela polyrrhiza) were found to bemore sensitive than the submerged (Ceratophyllum demersum and Hydrilla verticillata) for spent wash; Lemna being the most sensitive species.
During a detailed study, sensitivity of different test organisms to spent wash (in terms of their EC/LC50 values) was in the order of: Daphnia (EC50 = 0.68%) > Gambusia affinis (LC50 = 1.31%) > Lemna (EC50 = 0.8-6.97%) indicating water flea to be the most sensitive test organism. The toxicity of soil leachate was, however, very low to these test organisms (Gambusia: LC50 = 12.1%; Lemna: EC50 = 46.5-278%) as also noted for cereals. The spent wash exposure not only decreased RBC counts (58-69%) in fish but also altered their morphology (77-97%).
Both food (7-14%) and water (27-45%) intake of albino mice (male) declined in soil leachate treatments (5-20%) alongwith their body (8-17%) and reproductive organ weights (4-63%), except that of prostrate gland weight increasing between 12% and 37%. The sperm counts (78-89%) and their motility (14-23%) also decreased in leachate treatments. Higher toxicity of spent wash may be ascribed to its greater conductivity (32.7mS), COD (54,900ppm) and chlorides (62,00ppm) than the soil leachate (EC = 3.56mS; COD = 2290ppm; chlorides = 220ppm).
- Factors Affecting Degradation and Decolourisation of an Azo Dye, Methyl Red, in Fixed Film Bioreactors
Authors
1 Department of Botany, University of Rajasthan, Jaipur-302 004, Rajasthan, IN
2 Department of Zoology, University of Rajasthan, Jaipur-302 004, Rajasthan, IN
Source
Nature Environment and Pollution Technology, Vol 6, No 2 (2007), Pagination: 351-356Abstract
The effects of texture, aeration, inorganic (PO4-P and NO3-N) and organic (milk whey) nutrients are reported here on degradation and decolourisation of methyl red. The effects have been quantified by comparing UV-visible spectra of untreated and treated 100ppm of the dye in two types of fixed film bioreactors that differed in composition of their solid matrix (one containing gravel only, gravel bed; while the other has gravel + coarse river sand, mixed bed). Methyl red degradation was better in gravel bed reactors in comparison to mixed bed reactors. Aeration improved its degradation in both the types of reactors. Nutrients favoured reduction in bandwidth of spectra in near UV region (hence degradation of benzenoid compounds) in outflows from gravel (non-aerated and aerated) and mixed bed (aerated) bioreactors, while an opposite trend was noted for their OD values in far UV and visible region responsible for the colour. Mixed bed (non-aerated) bioreactor was, however, the exception, where inorganic nutrients, especially NO3-N improved reduction of bandwidth as well as OD values in the spectra of outflows.- Chemical Composition of Bajra grains 1. African Entries
Authors
1 Department of Plant Breeding, Punjab Agricultural University, Ludhiana, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 6, No 4 (1969), Pagination: 287-290Abstract
Bajra or Pearl millet (Pennisetum typhoidium) is among the important millets of tropical and sub tropical regions of Asia and Africa. It is a staple food for a large number of people of India. The present shortage of food has focused attention of various workers on this millet and a break through in the production has been achieved with the introduction of hybrids.- Chemical Composition of Bajra grains 2. American Entries
Authors
1 Department of Plant Breeding, Punjab Agricultural University, Ludhiana, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 6, No 4 (1969), Pagination: 291-294Abstract
Present shortage of food has drawn the attention of scientists on the improvements of millets. Among the millets Bajra or pearl millet (Pennisetum typhoideum) is one of the most important one and with the introduction of high yielding hybrids the yields of hybrid grains has been considerably increased.- Chemical Constamts of Lipid Content of High Yielding Varieties and Hybrids of Bajra (Pennisetum typhoideum) Flour
Authors
1 Department of Plant Breeding, Punjab Agricultural University, Ludhiana, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 6, No 4 (1969), Pagination: 316-318Abstract
With the exploitation of male sterile lines and introduction of high yielding hybrids, a breakthrough in the production of bajra has been achieved. The lipid content of bajra flour is very close to that of maize and is considerably higher than other cereals. It is a staple food of the poor people and therefore, covers a considerable portion of the limited lipid they consume.- Chemical Composition of Bajra Grains 4. Indian Varieties
Authors
1 Department of Plant Breeding, Punjab Agricultural University, Ludhiana, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 7, No 2 (1970), Pagination: 67-70Abstract
Pennisetum typhoideum (Pearl millet) locally known as bajra is widely grown as food grain for human consumption and also as green fodder for the cattle in tropical and sub-lropical regions of Asia and Africa.- Variation in Carbon Storage Among Tree Species in The Planted Forest of Kathmandu, Central Nepal
Authors
1 Central Department of Botany, Tribhuvan University, Kathmandu, NP
2 Department of Botany, Amrit Campus, Tribhuvan University, Kathmandu, NP
3 Department of Botany, University of South Bohemia in Ceske Budejovice, CZ
Source
Current Science, Vol 115, No 2 (2018), Pagination: 274-282Abstract
Carbon stock variation among trees of planted forest, was estimated in a 41-year old Coronation garden of Kathmandu, Central Nepal. Forty-one square quadrates of 20 m × 20 m were selected by applying stratified systematic sampling method in three horizontal strata of the forest. The biomass of trees was estimated using an allometric equation which was later converted to the carbon stock by using carbon fraction. The study site stored 196.4 Mg C ha-1 (carbon sequestration rate: 4.78 Mg ha-1 yr-1) equivalent to 720.7 Mg CO2 ha-1 (CO2 assimilation rate: 17.58 Mg ha-1 yr-1). Eucalyptus citriodora had the highest carbon storage (54.6 Mg ha-1, 27.8%) and sequestration rate (1.33 Mg ha-1 yr-1). Cinnamomum camphora and Salix babylonica were the dominant tree species, while Salicaceae and Lauraceae were the dominant families growing in the forest. Myrtaceae was the dominant family in terms of carbon storage and carbon sequestration rate. The study suggests that E. citriodora, C. camphora, S. babylonica and P. roxburghii would be the best species to select for forest plantation which would yield large impacts on landscape-level carbon stocks and could also mitigate climate change.
Keywords
Allometric Equation, Carbon Sequestration Rate, Coronation Garden, Importance Value Index, Species-Specific.References
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