Now scientists have learned that nitrates are the true energy-boosting ingredient in the vegetable. Until recently the inorganic chemical was not thought to have any nutritional value.
直到最近，科学家才发现硝酸盐是补充能量的真正元素。
Use of enzyme supplements is one potential aspect of alternate ingredient utilization that will increase the nutritional value and use of alternate feed ingredients.
使用酶添加剂来增加这些替代饲料原料的营养价值和效力是有潜力的。
Phosphatide compound food was a healthy food, of which main nutritional ingredient was phosphatide.
磷脂复合食品是以磷脂为主要营养成分的保健食品。
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