B5, B7

Question 1

Pantothenic Acid B5 sources

Answer 1

• Found widely distributed (pantos means everywhere)
• Liver, meats, egg yolk, whole grains, mushrooms, broccoli,
  avocados

Question 2

Pantothenic Acid B5 coenzyme

Answer 2

coenzyme A

Question 3

Pantothenic Acid B5 function

Answer 3

• Acyl group donor as part of coenzyme A
• Involved in:
• Kreb cycle (acetyl CoA, succinyl CoA)
• Gluconeogenesis (succinyl CoA)
• Fatty acid oxidation (fatty acyl CoA, acetyl CoA)
• Pyruvate and alpha-ketogulatarate decarboxylase
• Part of ________________________for fatty acid synthesis

Question 4

Pantothenic Acid B5 deficiency symptoms

Answer 4

• Only seen in severe malnutrition

*Symptoms:
* Burning feet, vomiting, fatigue, weakness

Question 5

Pantothenic ACid B5 at risk

Answer 5

• Alcoholics (low intake)
• diabetes mellitus (increased excretion)
• Inflammatory bowel disease (absorption problems)

Question 6

Pantothenic Acid B5 toxcity

Answer 6

• Not considered a problem, may cause gastrointestinal
  distress and diarrhea
• No UL

Question 7

Pantothenic Acid B5 assessment

Answer 7

• Plasma pantothenic acid
• Urinary pantothenic acid

Question 8

Biotin B7 sources

Answer 8

• Liver, soybeans, egg yolk, cereals, legumes, nuts
• Also produced by bacteria in colon

Question 9

Biotin B7 absorption

Answer 9

• A glycoprotein in raw egg whites called avidin
  tightly binds to biotin and can prevent absorption, often
  called egg white injury

Question 10

Biotin B7 functions

Answer 10

• Functions as a Carboxyl group carrier in:
• Carboxylation reactions
• Transcarboxylation involved in fermentation
• Decarboxylation involved in fermentation

Question 11

Biotin B7 deficiency *Populations at risk:

Answer 11

• Most often caused by ingestion of raw eggs
• GI disorders (decreased absorption)
• Alcoholics (decreased intake)
• Pregnant women

Question 12

Biotin B7 Symptiom of deficiency

Answer 12

• dermatitis, anorexia, depression, hallucination, alopecia

Question 13

Biotin B7 Toxicity

Answer 13

• No known toxic effects in humans
• No UL

Question 14

Biotin B7 assessment

Answer 14

*Blood/serum/plasma biotin
* Urinary biotin excretion