The testing materials which kept perilla frutescens’ leaves frezen are divided into four parts, 1. freezing green leaves, 2. glucose added to the leaves dried in the sun, 3. glucose unadded to the leaves dried in the sun and 4. the leaves dried in the immediately after collecting sample.
The perilla frutescens’ leaves are treated with the artificial digestion test to investigate the effects of the digestibility of ingredients and of protein.
The results obtained were as follows ;
1. The digestibility of crude protein of sample using the common leaves dried in the sun immediately after collecting sample was presented highest at 83.15%, the freezing green leaves at 68.35%, glucose added to the leaves dried in the sun at 64.25% and glucose unadded to the leaves dried in the sun at 62.12%.
The digestibility of perilla frutescens’ by freezing green leaves, glucose added or glucose unadded to the leaves dried in the sun is on the decrease without difference.
2. It was suggested that glucose and reductive sugars to perilla frutescens’ leaves is not affected by the decreased digestibility of protein, dince the digestibility of glucose added to the leaves dried in the sun and glucose unadded to the leaves dried in the sun almost never makes a difference.
3. The digestibility of freezing the green leaves for sixmonths was quite different from the leaves that were dried in the sun immediately after collecting sample, in that the leaves that were frozen for six months were decreased 1/5 quantity of the shole crude protein.
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