How many vegetables you eat mainly depends on the content of vitamin C that people need to supplement in one day. The most suitable vitamin C for human is 600mg a day, which is more than 600 mg but less than 1 g as far as possible. So you can refer to the vitamin C content of vegetables and fruits and work out how many vegetables you need.

Vitamin C per100g.

1. Jujube (900 mg)

2. Kiwifruit (420 mg)

3. Mispinch (270 mg)

4. Cassia seed (264 mg)

5. Jujube (fresh) (243 mg)

5. Seabuckthorn (204 mg)

6. Wild Amaranth (153mg)

7. Pepper (red and spicy) (144 mg)

8. persimmon pepper (130mg)

9. Alfalfa (118mg)

10. Crotalaria pigmentosa (118mg)

1 1. Bamboo leaf vegetables (87 mg)

12. orange juice concentrate (80mg)

13. Chinese kale (76 mg)

14. Green pepper (72mg)

15. Mustard (big leaf) (72mg)

16. Houttuynia cordata (70 mg)

17. Pea seedlings (67 mg)

18. Cabbage (65mg)

19. Wild onion (64 mg)

20. Pepper (green pepper) (62 mg)

22. Cauliflower (6 1 mg)

23. Purple cabbage (57 mg)

24. Bitter gourd (56 mg)

25. Sweet potato leaves (56 mg)

26. candied dates (55 mg)

27. Hawthorn (53 mg)

28. watercress (52 mg)

29. Broccoli (5 1 mg)

30. Mustard (leaflet) (5 1 mg)

3 1. Leymus chinensis (49 mg)

32. Coriander (48 mg)

33. Lycium barbarum (48 mg)

34. Orange Lycium barbarum (48 mg)

35. Chinese cabbage (white stem) (47 mg)

36. Strawberries (47 mg)

37. Amaranth red (green) (47 mg)

38. Dandelion (47 mg)

39. Asparagus (45 mg)

40. Black cabbage (45 mg)

4 1. Radish (45 mg)

42. Chinese cabbage (44 mg)

43. Lotus root (44 mg)

44. Papaya (43 mg)

45. shepherd's purse (43 mg)

46. Longan (43 mg)

47. Radix Isatidis (4 1 mg)

48. Litchi (4 1 mg)

49. Spore cabbage (40mg)

50. Toona sinensis (40 mg)

5 1. Cabbage (40mg)

52. Zucchini (39 mg)

53. Grapefruit (38 mg)

54. Allium macrostemon (36 mg)

55. Rapeseed heart (36 mg)

56. Plantain (36 mg)

57. Chestnuts (cooked) (36 mg)

58. Rape (36 mg)

59. Cassava flour (35 mg)

60. Kumquat (35 mg)

6 1. Cassava (35 mg)

62. Mustard head (34 mg)

63. Agaricus bisporus (34 mg)

64. Chicory (sharp leaves) (33 mg)

65. Cherry tomato (33 mg)

66. Oranges (33 mg)

67. Spinach (32 mg)

68. Chinese cabbage (3 1 mg)

69. Mustard (3 1 mg)

70. Cirsium japonicum (3 1 mg)

7 1. Amaranth red (purple) (30mg)

72. Beet leaves (30mg)

73. Persimmon (30mg)

74. Chinese cabbage (green mouth) (28 mg)

75. Citrus (28 mg)

76. Chinese cabbage (28 mg)

77. Oranges (28 mg)

78. Transparent vegetables (28 mg)

79. Garlic (28 mg)

80. Longan meat (27 mg)

8 1. Soybean (27 mg)

82. Almond (26 mg)

83. Purple cabbage (26 mg)

84. Malantou (26 mg)

85. scented tea (26 mg)

86. Malan (26 mg)

87. Fennel (26 mg)

88. Sweet almond (26 mg)

89. Grapes (25mg)

90. Burdock leaves (25mg)

9 1. Onion (24 mg)

92. Chestnuts (fresh) (24 mg)

93. Mango (23 mg)

94. Pteridium aquilinum (23 mg)

95. Grapefruit (23 mg)

96. Cowhide (23 mg)

97. Semen Plantaginis (23 mg)

98. Xinmei Radish (23 mg)

99. Portulaca oleracea (23 mg)

100. celery leaves (22 mg)

10 1. white radish (2 1 mg)

102. Wild leek (2 1 mg)

103. Onion (2 1 mg)

104. Radish (2 1 mg)

105. Begonia fruit (20mg)

106. Youmaicai (20mg)

107. cold and winter dishes (20mg)

108. Lettuce (round leaf) (20mg)

109. Lemon (20mg)

1 10. Oranges (19 mg)

1 1 1. Chinese cabbage (small white mouth) (19 mg)

1 12. cowpea (19 mg)

1 13. Green tea (19 mg)

1 14. Citrus (reed) (19 mg)

1 15. Garlic yellow (18mg)

1 16. Chrysanthemum (18mg)

1 17. Lily (18mg)

1 18. Pineapple (18mg)

1 19. Duck liver (18mg)

120. Dried radish (17mg)

12 1. Onion (17mg)

122. Broad bean (16 mg)

123. Li Zixing (16 mg)

124. Green garlic (16 mg)

125. wax gourd (16 mg)

126. Corn (fresh) (16 mg)

127. Dutch beans (16 mg)

128. concanavalis (15mg)

129. Chinese chives (15mg)

130. Melon (15mg)

13 1. peanuts (14mg)

132. Jujube (dry) (14mg)

133. Jujube (dry) (14mg)

134. Potato (wampee) (14mg)

135. Cucumber (14mg)

136. Green radish (14mg)

137. Pea (14mg)

138. Tomato (14mg)

139. Carrots (13mg)

140. Bovine lung (13mg)

14 1. water chestnut (13mg)

142. Lentils (13mg)

143. Celery (12mg)

144. Hami melon (12mg)

145. Cucumber (12mg)

146. Lemon juice (1 1 mg)

147. Cucurbita pepo (1 1 mg)

148. Bali (1 1 mg)

149. Artichoke (1 1 mg)

150. Pea tip (1 1 mg)

15 1. Gourd (1 1 mg)

152. Elm (1 1 mg)

153. Cherry (10 mg)

154. Daylily (dry) (10mg)

155. Perrin (10 mg)

156. Daylily (10 mg)

157. Bovine liver (9 mg)

158. Duck pancreas (9 mg)

159. jackfruit (9 mg)

160. Kidney bean (9 mg)

16 1. Pomegranate (9 mg)

162. Myrica rubra (9 mg)

163. Cucumber (9 mg)

164. Sweet potato chips (9 mg)

165. Papaya (8 mg)

166. Onion (white skin) (8 mg)

167. Banana (8 mg)

168. Black tea (8 mg)

169. Tomato paste (8 mg)

170. Loquat (8 mg)

17 1. Pumpkin (8 mg)

172. Soybean sprouts (8 mg)

173. Beet root (8 mg)

174. Peach (7 mg)

175. Carambola (7 mg)

176. Bamboo shoots (7 mg)

177. Chenpi (7 mg)

178. Eggplant (Green Peel) (7 mg)

179. Eleocharis tuberosa (7 mg)

180. Elaeagnus angustifolia (7 mg)

18 1. Garlic (white skin) (7 mg)

182. Eggplant (purple skin, long) (7 mg)

183. Cucumber (7 mg)

184. Preserved hawthorn (6.3 mg)

185. Nostoc flagelliforme (dried) (6 mg)

186. taro (6 mg)

187. Pear (6 mg)

188. Preserved apricots (6 mg)

189. mint (6 mg)

190. Watermelon (6 mg)

19 1. Mung bean (6 mg)

192. Black jujube (with nucleus) (6 mg)

193. Coconut (6 mg)

194. Typhoid fever (6 mg)

195. Euryale ferox (fresh) (6 mg)

196. Zucchini (6 mg)

197. Eggplant (5mg)

198. Plum (5mg)

199. Bamboo shoots (5mg)

200. Raisins (5 mg)

20 1. Luffa (5mg)

202. Zizania latifolia (5mg)

203. Chinese yam (5 mg)

204. Siraitia grosvenorii (5mg)

205. Lotus seeds (5mg)

206. Rosa roxburghii (5mg)

207. Ginger (5 mg)

208. Oenanthe javanica (5mg)

209. Lentinus edodes (dried) (5 mg)

2 10. Water spinach (5mg)

2 1 1. Niuxin (5mg)

2 12. Bamboo shoots (5mg)

2 13. Mushroom (dry) (5mg)

2 14. buckwheat (5mg)

2 15. Breast milk (5mg)

2 16. Rose grape (4 mg)

2 17. Hericium erinaceus (4 mg)

2 18. Cucurbita pepo (4 mg)

2 19. Pickled potherb mustard (4 mg)

220. Dried plums (4 mg)

22 1. golden cake (4 mg)

222. Apricot (4 mg)

223. Celery (4 mg)

224. Apple (4 mg)

225. Sweet potato (4 mg)

226. Lettuce (4 mg)

227. Pig heart (4 mg)

228. Okra (4 mg)

229. Peaches (4 mg)

230. Sydney (4 mg)

23 1. Yali pear (4 mg)

232. Mung bean sprouts (4 mg)

233. Whole milk powder (4 mg)

234. Arrow (4 mg)

235. Ginger (4 mg)

236. Winged beans (3 mg)

237. Carrots (3 mg)

238. Purple grapes (3 mg)

239. Pak Lei (3 mg)

240. Hawthorn (3 mg)

24 1. Onion (3mg)

242. Morchella (3 mg)

243. Honey (3 mg)

244. Biscuits (3 mg)

245. Olive (3 mg)

246. Pitaya (3 mg)

247. Durian (2.8 mg)

248. Bighead Carp (2.65 mg)

249. Russula (2 mg)

250. Porphyra (dry) (2 mg)

25 1. condensed milk (sweet, canned) (2mg)

252. Figure (2 mg)

253. Cordyceps sinensis (2 mg)

254. Pickled mustard tuber (2 mg)

255. Peanut kernel (raw) (2 mg)

256. Hawthorn (dry) (2 mg)

257. Sour cabbage (2 mg)

258. Leek (2 mg)

259. Curry (2mg)

260. Mushrooms (fresh mushrooms) (2 mg)

26 1. sugarcane juice (2mg)

262. Ginger (2 mg)

263. Flammulina velutipes (2 mg)

264. Mangosteen (1.2 mg)

265. Applesauce (1 mg)

266. Angelica dahurica (1 mg)

267. Milk (1 mg)

268. Auricularia auricula (water hair) (1 mg)

269. Winter bamboo shoots (1 mg)

270. Artemisia selengensis (1 mg)

27 1. garlic moss (1 mg)

272. Apricot sauce (1 mg)

273. Pogostemon cablin (1 mg)

274. Lentinus edodes (fresh) (1 mg)

275. Yogurt (1 mg)

276. Eggplant (round) (1 mg)

277. Olay tablets (1 mg)

278. Leek moss (1 mg)

279. Almond dew (1 mg)

280. Chrysanthemum (1 mg)

28 1. Polygonum cuspidatum (1 mg)

282. Walnut (1 mg)

283. Glycyrrhiza uralensis Fisch (1 mg)