By Billy Hammond (Copyright AELS)

January 16, 2020

Why you can’t digest grass

Grasses have a high cellulose content. Cellulose is made up of an ɑ-1, 4-linked glucose, which cannot be broken down into glucose by the enzymes in the human digestive system.

Starches, on the other hand, are made up of a β-1,4 linked glucose, which can be hydrolyzed by the body’s digestive enzymes such as α-amylase into glucose.

Cows and other ruminants have a special bacteria species in their rumens that produce the necessary enzyme to break down cellulose into glucose, so they’re able to digest grass.


草(特にイネ科)にはセルロース量が多い。セルロースはɑ-1, 4-linked glucose (アルファ1,4リンクグルコース)から構成されているので人間の体内の消化酵素では分解は不可能。その代わりにでんぷんは β-1,4 linked glucose(ベータ1,4リンククグルコース)から構成されているため、アミラーゼなどの人間体内の消化酵素によってグルコースに加水分解できる。



English novels by Billy Hammond published by AELS



I. Majoh Gakuin and Hikari Juku – Japanese Witch Schools Trilogy

1. Majoh Gakuin & Hikari Juku – Japanese Witch Schools

2. Lost Witch (The second book)

3. Fate & Magic (The final book in the trilogy)

II. Brindle – Scryer Extraordinaire Trilogy

1. Brindle – Scryer Extraordinaire

2. Brindle – Scryer Extraordinaire – Returns

3. Brindle – Scryer Extraordinaire – Challenges (The final book in the trilogy)

III. Fantasy fiction set in Japan

1. 21st Century Ninja

2. Regressed

3. Japanese Woman

IV. Fantasy fiction set outside of Japan

1. Dimension Jumpers