First, let's take a look at the macros. Each of these are listed in grams and as usual, normalized to 200 calories for easy comparison, so we're always comparing apples to apples.
Romaine lettuce | Pak-choi |
Nutrient | romaine lettuce | pak-choi |
Protein | 14g | 23g |
Carbohydrate | 39g | 34g |
Fiber | 25g | 15g |
Fat | 4g | 3g |
Monounsat. Fat | 0g | 3g |
Polyunsat. Fat | 2g | 1g |
Saturated Fat | 0g | 0g |
Next, let's take a look at the Vitamin density. These values are shown in units of percent of recommended daily intake. And since we're showing 200 calories worth, this means anything above 10% is good.
Nutrient | romaine lettuce | pak-choi |
Choline | 28% | 22% |
Vitamin A | 821% | 549% |
Vitamin C | 376% | 923% |
Vitamin E | 13% | 12% |
Vitamin K | 1507% | 875% |
Romaine lettuce have significantly more Vitamins A, K than pak-choi. Pak-choi have significantly more Vitamins C than romaine lettuce. Romaine lettuce are a good source of Niacin, Pantothenic Acid, Zinc. Romaine lettuce are a great source of Thiamin, Riboflavin, Vitamin B6, Potassium, Magnesium, Calcium, Phosphorus. Romaine lettuce are an excellent source of Vitamin A, Vitamin K, Vitamin C, Iron. Pak-choi are a good source of Pantothenic Acid, Zinc. Pak-choi are a great source of Thiamin, Riboflavin, Niacin, Magnesium, Phosphorus. Pak-choi are an excellent source of Vitamin A, Vitamin K, Vitamin C, Vitamin B6, Potassium, Calcium, Iron.
And here we see the B-vitamins: B1 (Thiamin), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine)
Nutrient | romaine lettuce | pak-choi |
Vitamin B1 | 85% | 62% |
Vitamin B2 | 72% | 98% |
Vitamin B3 | 31% | 64% |
Vitamin B5 | 33% | 27% |
Vitamin B6 | 79% | 271% |
Vitamin B12 | 0% | 0% |
Now, lets look at mineral density. Here we have a lot of important electrolytes and minerals. Once again, units are in percent of RDI, thus for this 200 calorie serving anything above 10% would considered high.
Nutrient | romaine lettuce | pak-choi |
Sodium | 6% | 67% |
Potasium | 83% | 111% |
Calcium | 78% | 323% |
Magnesium | 47% | 84% |
Phosphorus | 61% | 98% |
Iron | 190% | 205% |
Manganese | 79% | 106% |
Selenium | 10% | 17% |
Copper | 56% | 32% |
Zinc | 29% | 31% |