多酚类物质：一大类具有抗氧化作用的植物化合物，在各种植物中分布广泛。
Polyphenols a broad class of antioxidant phytochemicals that are found throughout the plant kingdom.
植物花色素的研究已经非常广泛和深入，多酚类化合物作为重要的天然食用色素越来越受到人们的重视。
Anthocyanidins have been extensively and deeply investigated. As the important natural edible pigment, polyphenolic compounds have attracted more and more attention from the people.
葡萄籽中含有葡萄籽油和植物多酚类化合物——原花青素。
Grape seeds contained seed oil and proanthocyanidins which were generally named plant poly-phenol.
紫苏提取物因富含植物多酚类物质和黄酮类化合物，表现出很强的抗氧化活性、抑酶特性和抑菌特性，是一种高效、低毒的天然食品防腐剂。
Perilla extract is rich in plant polyphenols and flavonoids, which shows a strong antioxidant, inhibitory activity and antibacterial. It is a natural food preservative with efficient low toxicity.
紫苏提取物因富含植物多酚类物质和黄酮类化合物，表现出很强的抗氧化活性、抑酶特性和抑菌特性，是一种高效、低毒的天然食品防腐剂。
Perilla extract is rich in plant polyphenols and flavonoids, which shows a strong antioxidant, inhibitory activity and antibacterial. It is a natural food preservative with efficient low toxicity.
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