Bora Saul (Sticky Rice) Glycemic Index

Assam's sticky rice, known as Bora Saul, is a huge part of local culture. It is used to make Bihu pithas and is eaten as a traditional breakfast (Jolpan) with cream and jaggery. While it is delicious and comforting, it behaves very differently from normal white or brown rice once you swallow it. Let's look at why sticky rice behaves this way and how you can eat it without causing health issues.

Why is Bora Saul Sticky?

All starch in rice is made of two different molecules: amylose and amylopectin.

Think of amylose as a straight piece of string. Because it is straight, the molecules pack together tightly. It takes a long time for water and your body's enzymes to break it down. Grains like Basmati rice are high in amylose, which is why the grains stay separate and firm when cooked.

Now, think of amylopectin as a branched tree. It has lots of loose ends. When cooked, it absorbs water quickly, melts, and becomes sticky. Bora Saul is made of almost 100% amylopectin and has almost no amylose.

The Blood Sugar Spike

Because amylopectin is so branched and open, your body's digestive enzymes can attack it from many sides at once. This means your body converts Bora Saul into glucose (blood sugar) almost immediately.

Cooked Bora Saul has a Glycemic Index (GI) of 85 to 90. On this scale, pure sugar is 100. This is a very high score. For comparison, brown basmati rice has a GI of 50-55.

When blood sugar shoots up this fast, your pancreas has to pump out a large amount of insulin. Over time, these sharp sugar and insulin spikes can lead to weight gain, constant tiredness, and eventually type-2 diabetes.

Checking the Calories

Bora Saul is also more compact and heavier than normal rice. One cooked katori (about 150 grams) has 160 calories and 36 grams of carbs. It is easy to eat too much of it without realizing. Here is how it compares:

Rice Type (150g Cooked)	Calories	Carbs	Fiber	Glycemic Index (GI)
Bora Saul (Sticky Rice)	160 kcal	36.0g	1.0g	85 - 90 (Very High)
Steamed Basmati Rice	130 kcal	28.0g	0.6g	60 (Medium)
Bao Dhan (Red Rice)	120 kcal	26.5g	2.2g	50 (Low)

How to Eat Bora Saul Safely (The Science of Jolpan)

In Assam, Bora Saul is rarely eaten as a main lunch or dinner rice with curries. Instead, it is traditionally enjoyed as Jolpan (breakfast or snack), where cooked or soaked sticky rice is served with Doi (curd/yogurt) or fresh cream, and sweetened with Gur (jaggery).

Interestingly, this traditional pairing is actually a smart metabolic choice:

1. Doi and Cream act as a Buffer: Curd and cream are rich in proteins and healthy fats. When you eat Bora Saul with Doi, these proteins and fats slow down how fast your stomach empties and how quickly the sticky rice turns into sugar, reducing the insulin spike.
2. Mind the Jaggery (Gur): While jaggery is unrefined and contains trace minerals, it is still sugar. Limit the amount of jaggery you add to keep your total calories in check.
3. Portion Control: Because sticky rice is very dense, measure a small serving (e.g. half a katori of cooked rice, about 75g) when making your Jolpan bowl, rather than filling a large bowl.
4. Post-Meal Movement: A quick 10-minute walk after your breakfast helps your muscles clear glucose directly from your blood.