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IRON (2 满分)During the discussion of iron, Dr. Harpp mentioned a condition called hemochromatosis. People suffering from this disease are at risk of developing iron toxicity because very little iron is excreted from the body.The tolerable upper intake level for adults (male and female) is 45 mg/day. How many servings does this translate to when we examine two different foods that are considered to be good sources of iron?Round your answer to the nearest whole or half serving. Enter 0 if it cannot meet RDA recommendations.Food SourceServing SizeAmount of Iron per servingTotal number of servings to reach upper intake levelLiver, Pork (cooked)3oz / 85g~15 mg - 未答复 Seaweed (dried)1 cup / 20g~13 mg - 未答复 Reference: http://ods.od.nih.gov/factsheets/Iron-HealthProfessional/ 显示答案揭示答案

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an your daily requirement for selenium be achieved by eating one nut?Selenium is a trace mineral with respect to dietary intakes. The recommended daily dosage is approximately 55 micrograms (µg). Brazil nuts are the #1 source of selenium with a 100 gram serving providing 1917µg!Assume 1 Brazil nut weighs approximately 5 grams, how many micrograms (µg) of selenium does it contain? Round your answer to the nearest whole number.1 Brazil nut =______ µg of selenium

SCENARIO #1 (5 满分)An apple a day keeps the doctor away. To start our exploration of food and vitamins, let’s examine apples as a source of vitamin C. According to Health Canada, the recommended daily allowance for vitamin C is 90 mg. How many apples would you need to eat to meet this daily intake?Round your answer to the nearest whole or half serving. Enter 0 if it cannot meet RDA recommendations.Food SourceServing SizeAmount of Vitamin C per serving (in mg)Total Number of Servings to meet RDAApples; raw with skin1 small ~2 ¾ “ diameter (149g)

SCENARIO #2 (15 满分)Vegans and vegetarians are at higher risk vitamin B12 deficiency. The recommended daily allowance, according to Health Canada for an adult male or female is 2.4 µg. Complete the following table to compare the number of servings required from an animal based source versus a vegetable based sources.Round your answer to the nearest whole or half serving. Enter 0 if it cannot meet RDA recommendations.Food SourceServing SizeAmount of Vitamin B12 per serving (in µg)Total Number of Servings to meet RDATurkey (whole, meat only, cooked, roasted)3oz / 85g Food SourceServing SizeAmount of Vitamin B12 per serving (in µg)Total Number of Servings to meet RDAChickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt1 cup (164g) Food SourceServing SizeAmount of Vitamin B12 per serving (in µg)Total Number of Servings to meet RDATofu, raw, firm, prepared with calcium sulfate½ cup (126g)

SCENARIO #3 (10 满分)As discussed in the vitamin lesson, folic acid (folate) is an important nutrient during pregnancy. The RDA for a woman during pregnancy is 600µg. Which is a better source, a leafy green such as spinach or chickpeas (garbanzo beans)?Round your answer to the nearest whole or half serving. Enter 0 if it cannot meet RDA recommendations.Food SourceServing SizeAmount of folic acid (folate) per serving (in µg)Total Number of Servings to meet RDASpinach, raw1 cup (30g) Food SourceServing SizeAmount of folic acid (folate) per serving (in µg)Total Number of Servings to meet RDAChickpeas (garbanzo beans, bengal gram), mature seeds, cooked, boiled, without salt1 cup (164g)