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Avenanthramide and Saponin Bioavailability in Oat Bran

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North Carolina Agriculture & Technical State University

キーワード

概要

Avenanthramides and saponins are types of chemical compounds found naturally in oats.
Avenanthramides have anti-oxidant properties, anti-atherosclerotic, anti-inflammation, and anti-proliferative effects on cancer cells in vitro. Oat saponins, or avenacosides, have the ability to bind cholesterol, and thus, the ability to lower blood cholesterol.
Oat bran is a known source of these dietary compounds. This study aims to determine the bioavailability of these compounds to in the urine of participants after ingesting an oat bran cereal, both before, and after for multiple time points.
Analytical chemistry will be used to determine the bioavailability of the oat compounds at each time point. This will help to establish a kinetic curve for the metabolism of these compounds.

説明

Initially, the diet of the participants will be asked to restricted to avoid eating any polyphenols that might interfere with the employed analytical chemistry techniques. This period of diet restriction is the washout period. The list of foods to avoid are: oats, whole grains, fruits, vegetables, herbal supplements, ginger, coffee, tea, and chocolate.

After the washout period, a baseline urine and fecal sample will be collected from the participants, then a large portion of oat bran will be provided to the participants for consumption. The approximate portion size will be 100 g by dry weight. The participants will then provide urine samples during the designated time points. The time points for the urine collection are as follows:

1. st sample, ~ 30 min to 1 hour prior to oat consumption

2. nd sample: 0-2 hours after oat consumption

3. rd sample: 2-4 hours after oat consumption

4. th sample: 4-6 hours after oat consumption

5. th sample: 6-9 hours after oat consumption

6. th sample: 9-12 hours after oat consumption

7. th sample: 12-24 hours after oat consumption

8. th sample: 24-32 hours after oat consumption

9. th sample: 48 hours after oat consumption These samples will be analyzed in using HPLC and LC/MS.

日付

最終確認済み: 03/31/2020
最初に提出された: 04/01/2020
提出された推定登録数: 04/02/2020
最初の投稿: 04/05/2020
最終更新が送信されました: 04/02/2020
最終更新日: 04/05/2020
実際の研究開始日: 01/14/2016
一次完了予定日: 01/20/2016
研究完了予定日: 01/20/2016

状態または病気

Human Health
Polyphenols
Pharmacokinetics

介入/治療

Dietary Supplement: Oat Bran Consumption

段階

-

アームグループ

介入/治療
Experimental: Oat Bran Consumption
Each subject consumed 120 g of oat bran (by dry weight) in a single dose, and samples (urine and fecal) were collected at different time points following the administration of oat bran.
Dietary Supplement: Oat Bran Consumption
Oat bran (120 g), single dose.

適格基準

研究の対象となる年齢 18 Years に 18 Years
研究に適格な性別All
健康なボランティアを受け入れるはい
基準

Inclusion Criteria:

- BMI 18.5-25

- Have blood and urine biochemical markers in normal range

- Have no known allergy to oat relate foods

- Be not taking antibiotics for six months

- Be not currently taking medication

- Be nonsmoking

- Have no alcoholic intoxication

- Have no extensive exposure to industrial waste

Exclusion Criteria:

- Individuals with gout

- Individuals with heart disease

- Individuals with peripheral vascular diseases

- Individuals with degenerative liver

- Cancer patients

- Patients with diabetes

- Individuals with GI disorders

- Individuals with endocrine disorders

結果

主な結果の測定

1. Bioavailability of Avenanthramides and Saponins in Urine [0-2 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

2. Bioavailability of Avenanthramides and Saponins in Urine [2-4 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

3. Bioavailability of Avenanthramides and Saponins in Urine [4-6 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

4. Bioavailability of Avenanthramides and Saponins in Urine [6-9 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

5. Bioavailability of Avenanthramides and Saponins in Urine [9-12 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

6. Bioavailability of Avenanthramides and Saponins in Urine [12-24 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

7. Bioavailability of Avenanthramides and Saponins in Urine [24-32 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

8. Bioavailability of Avenanthramides and Saponins in Urine [32-48 hours post-dose]

Liquid chromatography-tandem mass spectrometry will be utilized to assess the bioavailability of avenanthramides and saponins in urine.

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