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total synthesis of (-)-cryptocaryol A. Org. Biomol. Chem, 13, 3575-3584.
[6] Yao HQ, Wu LH, Chou GX, Liu Q, Wang ZT. (2015) Two rare α-pyrone(=2H-pyran-2-one) derivatives from Gentiana rhodantha FRANCHET Helv. Chim. Acia, 98, 657-662
[7] Xu M, Zhang M, Wang D, Yang CR, Zhang YJ (2011) Phenolic compo
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Phenol-Sulfuric Acid Method for Total Carbohydrates
Introduction:
The total carbohydrate contents of liquid food and food extracts can be determined. Simple sugars, oligosaccharides, polysaccharides, and their derivatives give a stable orange color when reacted with phenol and concentrated sulfur
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Phenol compounds
ppm / 5g
% of total phenol compounds
1
Salicylic acid
1,927
69.8
2
Hydroxybenzoic acid
372
13.5
3
Vanillic acid
137
5.0
4
Syringic acid
50
1.8
5
Coumaric acid
171
6.2
6
Ferulic acid
105
3.8
Total
2,762
< 알팔파 줄기 부분의 Phenol compound 분석 결과 >
☞ Alfalfa의 생체추출물은
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Total phenolics 함량은 각각 1.65, 2.31 그리고 4.45 mg of GAE / g 어었으며, in vitro 항산화 효과로서의 FRAP assay와 MDA 생성 저해 효과는 안토시아닌 분획물에서 농도 의존적으로 증가하였다. 또한 에탄올 추출물, 비 안토시아닌 분획물 그리고 안토시아닌
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)----------------------1~3
Meterial-(실험기구및 실험시약)-3
Method-------------------4
Total phenolic phytochemical content assay
Flavonoid content assay
DPPH radical-scavenging activities
Result------------------5~6
결론------(나의 생각)-------7
참고 문헌 ----------------8
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