能量果膠的二三事 - 路跑 Road Running
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By Yuri
at 2019-06-17T15:18
at 2019-06-17T15:18
Table of Contents
SiS半殘小編又來了,我本來不是做行銷的,專長是運動生理和運動營養學。在粉絲頁很難有機會完整的陳述關於果膠的科學。
能量果膠現在大致分成三種:1.麥芽糊精+果糖(GU),2.等滲透壓果膠(SiS),3.強調天然成份果膠(Honey Stinger)
1.麥芽糊精+果糖:可以加速吸收的原因不只是因爲果糖在腸道進入血液的通道不同,增加碳水進入體內的量,還能帶動葡萄糖的吸收。
2.等滲透壓果膠:因爲運動時血液分配在肌肉而腸胃道血液分配降低,所以吃太多果膠常常會有消化不良導致各種腸胃道不適的症狀(參考FODMAP食物),滲透壓太高和果糖量太多常常是造成這個問題的主因。但是既要吸收快又
不要加果糖的方法就是利用等滲透壓讓胃排空變快,果膠能快速進入小腸吸收。
3.天然成份果膠:無特殊比例,就是液態碳水。
耐力運動超過90分鐘每小時需攝取60-90g碳水化合物,固態和液態都可以,要一次吃還是分段吃都可以。但是運動強度高唾液分泌少,固態的食物吞嚥難度高,果膠就是比較容易入口的選擇。
裡面的學問還很多,不過一般只需要記住每小時記得要吃幾條就行了,還有吃完垃圾不要亂丟^^
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能量果膠現在大致分成三種:1.麥芽糊精+果糖(GU),2.等滲透壓果膠(SiS),3.強調天然成份果膠(Honey Stinger)
1.麥芽糊精+果糖:可以加速吸收的原因不只是因爲果糖在腸道進入血液的通道不同,增加碳水進入體內的量,還能帶動葡萄糖的吸收。
2.等滲透壓果膠:因爲運動時血液分配在肌肉而腸胃道血液分配降低,所以吃太多果膠常常會有消化不良導致各種腸胃道不適的症狀(參考FODMAP食物),滲透壓太高和果糖量太多常常是造成這個問題的主因。但是既要吸收快又
不要加果糖的方法就是利用等滲透壓讓胃排空變快,果膠能快速進入小腸吸收。
3.天然成份果膠:無特殊比例,就是液態碳水。
耐力運動超過90分鐘每小時需攝取60-90g碳水化合物,固態和液態都可以,要一次吃還是分段吃都可以。但是運動強度高唾液分泌少,固態的食物吞嚥難度高,果膠就是比較容易入口的選擇。
裡面的學問還很多,不過一般只需要記住每小時記得要吃幾條就行了,還有吃完垃圾不要亂丟^^
--
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