Revision of Starch & Dusting - NINU 2024-2025 PDF

MEDICINAL PLANTS PG101 Revision Dr. Ahmed Khedr Elsayed Ibrahim Assistant lecturer | Department of pharmacognosy Faculty of pharmacy | New Ismailia National University Day Week Date Section 1st week...

MEDICINAL PLANTS PG101 Revision Dr. Ahmed Khedr Elsayed Ibrahim Assistant lecturer | Department of pharmacognosy Faculty of pharmacy | New Ismailia National University Day Week Date Section 1st week 1/10/2024 Introduction 2nd week 8/10/2024 Handling of light microscope 3rd week 15/10/2024 Starch : Potato, Wheat & Maize 4th week 22/10/2024 Practical: Starch 5th week 29/10/2024 Dusting powder: Sulfur, Bentonite & Kaolin 6th week 5/11/2024 Practical: Dusting powder 7th week 12/11/2024 Mixtures of starch and dusting powders Tuesday 8th week 19/11/2024 Practical exam 1: starch & dusting powder 9th week 26/11/2024 Introduction to medicinal plants (Key elements): Stomata & Trichomes 10th week 3/12/2024 Introduction to medicinal plants (Key elements): Fibers & Ca. Oxalate 11th week 10/12/2024 Phytochemical screening of medicinal plants 12th week 17/12/2024 Revision 13th week 24/12/2024 Practical exam 2: Spots exam 14th week 31/12/2024 Students’ presentation  Practical marks Items Marks Practical Exam 1 & 2 20 marks Lab Activities & drawings 10 marks Student’s task 5 marks Student’s attendance 5 marks Total 40 marks  Question 1 [ 2 marks] You are provided with an unknown mixture of starch and dusting powder. Identify each one. The answer: The answer: The mixture is sulphur and potato The mixture is Kaolin and wheat 4  Question 1 [ 2 marks] You are provided with an unknown mixture of starch and dusting powder. Identify each one. The answer: The answer: The mixture is bentonite and maize The mixture is Kaolin and maize 5  Question 1 [ 2 marks] You are provided with an unknown mixture of starch and dusting powder. Identify each one. The answer: The answer: The mixture is bentonite and wheat The mixture is sulphur and maize 6  Question 1 [ 2 marks] You are provided with an unknown mixture of starch and dusting powder. Identify each one. The answer: The answer: The mixture is sulfur and wheat The mixture is Kaolin and potato 7  Question 1 [ 2 marks] You are provided with an unknown mixture of starch and dusting powder. Identify each one. The answer: The mixture is bentonite and potato 8  Question 2 [ 2 marks] Identify the following chemical test and then mention the substance you tested. ‫مشاهدة الصورة بالحجم الكامل‬ The answer: The answer: The answer: Chemical test: Iodine test Chemical test: Molisch test Chemical test: Fehling test The tested substance: starch The tested substance: starch The tested substance: starch 9  Question 2 [ 2 marks] Identify the following chemical test and then mention the substance you tested. The answer: The answer: Chemical test: Flame test Chemical test: Heating in crucible The tested substance: sulphur The tested substance: sulphur 10  Question 2 [ 2 marks] Identify the following chemical test and then mention the substance you tested. The answer: The answer: Chemical test: Methylene blue test Chemical test: Saffranin red stain The tested substance: The tested substance: bentonite (+Ve) & kaolin (+Ve). bentonite (+Ve) & kaolin (-Ve). 11  Question 3 [ 2 marks] Identify the following dusting powder and then mention its use. ‫مشاهدة الصورة بالحجم الكامل‬ The answer: The answer: The answer: The powder: Sulphur The powder: Kaolin The powder: Bentonite Uses: 1- In acne treatment Uses: Clay mask for dry Uses: Absorbent clay for oily skin 2- Keratolytic agent and normal skin 12  Question 4 [ 2 marks] Identify the following starch and then mention its use. The answer: The answer: The answer: The powder: potato starch The powder: wheat starch The powder: Maize starch Uses: 1- antidote in iodine poisoning 2- tablet disintegrate 3-skin emollient. 13  Question 5 [ 2 marks] Describe the hilum and striations of these starch granules The answer: Hilum: Present, eccentric & dot Striations: Present & distinct The answer: Hilum: Present, centric & cleft or fissured Striations: absent The answer: Hilum: Present, centric & dot or line Striations: Present & very faint 14  Acknowledgement Dr. Marwa Saeed Goda & Dr. Dina Mohamed Hal Lecturer, Department of Pharmacognosy, Faculty of Pharmacy, SCU Thank You! ninu.edu.eg