1. **Swertia Chirayita (Chiraito):** Chiratin, amarogentin, swertiamarin, gentiopicroside, xanthones, and other bitter principles.
2. **Xanthoxylum armatum (Timur):** Essential oils (mainly limonene, linalool, and others), alkaloids (such as nitidine), flavonoids, and coumarins.
3. **Asparagus roce mosus (Kurilo):** Saponins (shatavarin), steroidal glycosides, flavonoids, alkaloids, and essential oils.
4. **Valeriana Jatamansi (Sugan dhawal):** Valeranone, valeranal, valerenic acid, lignans, and sesquiterpenes.
5. **Neopicrorhiza (Kutki):** Iridoid glycosides (including kutkoside), picrosides, andrographolide, and other bitter principles.
6. **Nardostachys Grandiflora (Jatamasi):** Valeranone, jatamansone, jatamansinol, calarenol, and other sesquiterpenoids.
7. **Cordyceps/Ophiocordyceps Sinensis (Yarshagumba):** Cordycepin, adenosine, polysaccharides, and various amino acids.
8. **Dactylorhiza Hatagirea (Panchaule):** Phenolic compounds, flavonoids, alkaloids, and other phytochemicals.
9. **Dendrobium sp. (Sunakhari):** Alkaloids, flavonoids, and other phytochemicals.
10. **Morchella Species (Guchi chyau):** Morchellin, hydrazine, and other compounds.
11. **Sinopodophyllum Hexandrum (Laghupatra):** Podophyllotoxin, alpha-peltatin, beta-peltatin, and other lignans.
12. **Hippophae Salicifolia (Dale chuk, vuichuk):** Carotenoids (such as beta-carotene), flavonoids, essential fatty acids (omega-3, omega-6), and vitamins (vitamin C and E).
13. **Urtica Dioca (Sisnoo):** Flavonoids (quercetin, rutin), phenolic compounds, vitamins, and minerals.
14. **Azadirachta indica (Neem):** Azadirachtin, nimbin, nimbidin, quercetin, and other bioactive compounds.
15. **Taxus Wallichiana (Lauth salla):** Taxanes (taxol, baccatin), flavonoids, and other phytochemicals.
16. **Paris polyphylla (Satuwa):** Steroidal saponins, triterpenoids, and other constituents.
17. **Rheum australe (Padam chal):** Anthraquinones (rhein, emodin), tannins, flavonoids, and phenolic compounds.
18. **Sapindus Mukorossi (Ritha):** Saponins (saponin A, B), flavonoids, and triterpenoids.
19. **Piper Longum (Pipla):** Piperine, piperlonguminine, pellitorine, and other alkaloids.
20. **Phyllanthus Emblica (Amala):** Vitamin C, tannins, flavonoids, and gallic acid.
1. **Nardostachys Grandiflora (Jatamasi):** Valeranone, jatamansone, jatamansinol, calarenol, and other sesquiterpenoids.
2. **Cordyceps/Ophiocordyceps Sinensis (Yarshagumba):** Cordycepin, adenosine, polysaccharides, and various amino acids.
3. **Dactylorhiza Hatagirea (Panchaule):** Phenolic compounds, flavonoids, alkaloids, and other phytochemicals.
4. **Dendrobium sp. (Sunakhari):** Alkaloids, flavonoids, and other phytochemicals.
5. **Morchella Species (Guchi chyau):** Morchellin, hydrazine, and other compounds.
6. **Sinopodophyllum Hexandrum (Laghupatra):** Podophyllotoxin, alpha-peltatin, beta-peltatin, and other lignans.
7. **Hippophae Salicifolia (Dale chuk, vuichuk):** Carotenoids (such as beta-carotene), flavonoids, essential fatty acids (omega-3, omega-6), and vitamins (vitamin C and E).
8. **Urtica Dioca (Sisnoo):** Flavonoids (quercetin, rutin), phenolic compounds, vitamins, and minerals.
These chemical constituents play a significant role in the medicinal and therapeutic properties of these plants. They are responsible for various biological activities and health benefits associated with the use of these plants in traditional and modern medicine.
Tribhuvan University 2079 Bachelor Level (4 Yrs.)/Science & Tech./III Year Full Marks:100 Zoology (Physiology,Genetics and Molecular Biology) (Zool.301) New Course Time: 3 hrs. Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks. Illustrate your answers with suitable diagrams wherever necessary. GROUP"A" [2x10=20] Attempt any TWO questions. 1. What is carbohydrate? How does the human body metabolize carbohydrates in order to provide energy for various physiological functions? 2. What is nephron? How does the nephron contribute to the processes of filtration, reabsorption and secretion involved in urine formation? 3. Describe the structure of Nerve cells. How does an electrical signal pass along the nerve cell? GROUP "B" Attempt any TWO questions. [2x10=20] 4. What are cell organelles? Describe the structure and function of mitochondria. 5. What is ...
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