BIOL 4803 Chapter Notes - Chapter 4: Dietary Fiber, Diabetes Mellitus Type 2, Hemicellulose
Document Summary
Get access
Related Documents
Related Questions
Overall Caloric Distribution (10 points)
Average kcals consumed ________________
Percent of goal for kcal _________________________ (kcals consumed divided by recommended kcal * 100)
Since carbohydrate and fat are largely used to meet kcal needs, it makes sense to look at our intake in terms of percent of total kcal rather than in absolute gram amounts.
Record the percent of kcals coming from carbohydrate and fat in your diet in the chart below. Do not confuse the percent of kcals with the percent of a goal.
To calculate, use the following formulas:
Determine number of kcals from each macronutrient consumed on an average day
kcals from CHO = grams of CHO consumed per avg. day X 4 kcals per g CHO
kcals from FAT = grams of FAT consumed per avg. day X 9 kcals per g FAT
Divide number of kcals from each macronutrient by total day kcals consumed
% of total daily kcals from CHO = kcals from CHO / total daily kcals
% of total daily kcals from FAT = kcals from FAT/ total daily kcals
(Ex. 200 grams of CHO consumed * 4 kcals per g CHO = 800 kcals of carbohydrate. 800 kcals of carbs / 2400 kcals total consumed = .33 * 100 = 33% or 33% of kcals came from carbohydrate)
| Macronutrient | Recommended percent of kcal | Percent of kcal from nutrient in your diet |
| Carbohydrate | 45 - 65 % of kcals | |
| Fat | 20-35% of kcals |
Did you consume the appropriate percent of kcal from carbohydrates, protein and fat? If not, how might you adjust your kcal to better meet the recommendations and what changes in your food intake could accomplish this?
Carbohydrate Intake - Further Analysis (6 points)
*note: if you are using myplate, ignore the recommendation of 130 grams for total carbohydrate on your printout.....that is a minimum not a recommended amount
3. Average grams of fiber consumed ______________________.
4. Percent of goal for fiber ________________________ (average fiber consumed divided by fiber recommended * 100)
5. Are you getting enough fiber (100% of goal for question 4)? If not, how might you fix this?
6. Take a look at your list of foods....are lots of your kcals coming from sugar? Only 10% or less of your total kcals should be coming from refined (added) sugar...how do you think you did? ______________________________________________
Fat Intake - Further Analysis (8 points)
7. Average grams of saturated fat consumer per day:_______________________
8. Percent of kcals from saturated fat per day: ______________________________ (Hint: average grams of sat. fat consumed times 9 kcals per gram divided by total kcals consumed)
9. Did you consume more that 10% of your kcals from saturated fat? If so, how might you reduce saturated fat?
(you do not need to be worried about consuming too little since there are no essential fatty acids that are saturated)
note: if you are using diet analysis plus to evaluate your diet, you can look at the spreadsheet report to see how much of a given nutrient is in each food that you ate.. For example, if your saturated fat were high, you could look at the spreadsheet report to see what foods contributed the most saturated fat to the diet. You can then think about reducing portion size or making substitutions
10. Average milligrams of cholesterol per day: ____________________________________. Are you consuming more than 300 milligrams of cholesterol? If so, how might you reduce this?
11. Are you consuming foods rich in omega-3 fatty acids? If so, what are they? If not, how might you increase your intake of omega-3 fatty acids?
Protein Intake - Further Analysis (6 points)
12. What is your protein RDA? (Multiply your body weight in kilograms by 0.8 g PRO/kg)
13. Are you consuming an appropriate amount of protein? (Recommendation is to consume a minimum of the RDA amount and a maximum of twice the RDA)
14. If you are not within the range indicated in question 13, indicate how you might adjust your diet.
Based on âMorgan: A case of Diabetesâ by Lisa Rubin and Clyde Freeman Herreid (National Center for Case Study Teaching in Science)
The Patient:
Morgan Water is a 27-year old Native American that lives on a reservation in Oklahoma. Nearly ¼ of Morganâs tribe has diabetes but she has no direct family history of diabetes, heart disease, or other serious conditions. She is however obese (BMI = 32) and leads a sedentary lifestyle. Morgan has been suffering from an increasing persistence of symptoms including unusual thirst, dizziness, blurred vision, and numbness in her right foot. The symptoms have been developing over several months but as she is planning her wedding she attributed them to nerves. She is finally persuaded to see her family doctor. Her non-fasting blood glucose level was elevated so the doctor has her return the next morning for a fasting blood sample so they could more accurately measure her blood glucose and insulin. Her blood results are below:
| Test | Morganâs values | Normal range | Pre-Diabetic range | Diabetic range |
| Plasma glucose, mg/dl | 260 | 70 -139 | 140 - 199 | ⥠200 |
| Fasting glucose, mg/dl | 140 | ⤠99 | 100 - 125 | ⥠126 |
| A1C, % | 7.6 | ~ 5 | 5.7 â 6.4 | ⥠6.5 |
| Fasting Insulin, mIU/ml | 34 | 2 - 10 | 10 - 20 | ⥠20 |
The recommendation of Morganâs doctor was to improve her exercise, good nutrition, and weight loss. He recommends meeting with a nutritionist to assist Morgan in her weight loss goals. When Morgan got home and told her family the diagnosis they however had LOTS of suggestions on how she can lose weight. Below is a description of the advice given to her by three family members.
Best friend Savannah:
âYou know how Iâve been losing weight? Well, Iâve been on the Atkinsâ Diet. I heard about it on TV. Itâs great! You get to eat steak, chicken wings, and all the good stuff. All you have to do is limit carbohydrate intake. You should definitely give it a try. This diet has been around for years and it has worked for lots of people, including me.â
*Note: Atkinâs Diet recommends: 10% carbohydrates, 55% fats, 35% protein
Brother Alan:
âI think the best thing for you to do is exercise and stop eating all of that pizza and candy and food filled with fat. Our people never used to eat that junk. I say eat meals that are nutritionally balanced and high in fiber and low in refined sugars and saturated fats. And run a lot. Stop sitting around the house.â
Grandfather:
âMorgan, it is true that it is best to live in harmony and balance â to eat a nutritionally balanced diet that includes carbohydrates, proteins, and âgoodâ fats to meet your bodyâs needs. That is good. But look to your heritage. Our people were never overweight before we started eating âcivilizedâ food. Look to our native diet. I think you should look to traditional herbal remedies for help. What Alan says is true. Exercise is good. But it is sometimes not enough. Our people have always looked to natural medicine for cures. They will lift your spirits and energize you. Then you will lose weight and you will be healthy again. I hear the herbs from the diet shop are safe and good. But you must take them like the medicine label says. It canât hurt to try them.â
*Note: these herbal supplements Morganâs grandfather is recommending contain the herb
ephedra (ephedrine).
Question 5:
Given Morganâs metabolic state, what is the primary fuel source for her cells currently?
A. Carbohydrates (glucose)
B. Fats
C. Proteins
D. It is a balance of all three
Question 6:
Metabolic ketoacidosis is a common problem with diabetics, which is caused by which of the following?
A. Excessive oxidation of fatty acids, leading to an accumulation of ketone bodies in the blood.
B. Excessive oxidation of glucose, leading to an accumulation of ketone bodies in the blood.
C. Excessive oxidation of proteins, leading to an accumulation of ammonia in the blood.
D. Hyperglycemia.
Question 7:
Which weight loss suggestion is designed to achieve some level of ketosis?
A. Atkins Diet
B. Exercise
C. High fiber diet
D. Herbal treatments
Question 8:
One major side effect of the herbal supplement can be hot flashes and increased perspiration due to increased thermogenesis, what is the likely cause of the heat production?
A. Increasing the activity of phosphfructokinase-1.
B. Increasing the activity of the pyruvate dehydrogenase complex.
C. Increasing the activity of citrate synthase.
D. Increasing the activity of uncoupling proteins.
Question 9:
Would substituting fiber and complex carbohydrates (larger % cellulose) for the simple sugars and starches (high sucrose and amylose/amylopectin) help Morgan lose weight, why?
A. Yes, because complex carbohydrates like cellulose are largely indigestible so they pass through
the digestive tract without being absorbed.
B. Yes, cellulose contains less glucose residues than amylose or amylopectin.
C. Yes, because the fructose in sucrose is much more responsible for weight gain than the glucose.
D. No, because cellulose, amylose, and amylopectin are all composed of glucose so it doesnât
matter.
Question 10:
Which weight loss suggestion will lead to an increased need for gluconeogenesis?
A. Atkins Diet
B. Exercise
C. High fiber diet
D. Herbal treatments
