[the Effect Of Sorbitol On The Determination Of Keto Amines Using A Colorimetric Method].
Abstract The presence of sorbitol in a concentration 11 mg/ml in a sample reduces by 68 percent the values of fructose glycine measured by colorimetry with thiobarbituric acid. Such sorbitol concentration has no effect on furfural production and on 5-hydroxymethylfurfural reaction with thiobarbituric acid. Measurements of glycolyzed hemoglobin have demonstrated that sorbitol in concentration 11 mg/ml completely inhibits hydrolysis. This fact should be borne in mind when measuring blood glycosylated hemoglobin by colorimetry with thiobarbituric acid and exclude sorbitol from patients' rations before measurements. Continue reading >>
Sugar Alcohol Facts
Sugar alcohol sweeteners (also known as polyols) usually contain less calories than regular sugar, and have virtually no impact on blood sugar and dental health. Sounds great, except for some disclaimers: since they can't be digested in the human digestive system, these sweeteners can cause gut issues such as flatulence, bloating and diarrhea. In addition, most of these sweeteners are excreted in the urine, which increases the amount and frequency of urination. This increased urination will result in a higher loss of body minerals such as calcium, magnesium and potassium and possibly cause muscle cramping. At higher intake amounts, this effect is more pronounced, and in rat studies, has resulted in changes in kidney function and structure. (See this reference: Nutrient Requirements of Laboratory Animals,: Fourth Revised Edition, 1995, page 22). Some people with blood sugar issues may experience blood sugar spikes after eating these sweeteners, but this is an individual response. Since all of these types of sugar substitutes contain some calories and carbs, be sure to count them into your daily totals if you are on a low carb diet plan. Below is an overview of the most common sugar alcohol sweeteners: Erythritol Erythritol has about 3/4 the sweetening power as regular sugar, with only a tenth of the calories. One cup of erythritol contains about 10 grams of carbohydrate, and 40 calories. This sugar alcohol is best used in conjunction with other sugar substitutes such as stevia, sucralose and glycerin. Lauren over at the Healthy Indulgences Blog suggests using erythritol in desserts which are of a moist consistency for best results, since erythritol does not attract moisture as regular sugar and some other sweeteners do. Hence, it has a tendency to dry out the foods to wh Continue reading >>
The Best And Worst Low Carb Sweeteners
Most people that start a keto diet plan find that they have some intense cravings for sugar in the beginning, but will dissipate after a few weeks. Even the seasoned low carber will tell you that they have cravings every once in a while, sometimes burning inside them so deep they want to give up to temptation. That’s where sweeteners come in, where you can make or bake things you usually can’t eat. Of course, you will have to watch out because most things that say “carb free” actually still contain carbs. Make sure you take the net carbs of any impacting sweetener into consideration when tracking your macros. As a general rule of thumb, it’s always best to try to avoid sweeteners in the beginning. They’re well known to cause cravings and some may stall your progress with over-use. Stay strict and try to only occasionally consume sweet treats when you are on a low carb diet. Types of Sweeteners In general, there are a few classifications of sweeteners. There are natural sweeteners, sugar alcohols, and synthetic sweeteners (or artificial sweeteners). There are a few others that aren’t exactly classified in these categories (like glycerin based sweeteners) but they are quite uncommon and rarely used, so we’ll skip going over them. For a ketogenic diet, I personally suggest sticking with erythritol and stevia (or a blend) because they are both naturally occurring, don’t cause blood sugar or insulin spikes, and sweeten just perfectly. When used in combination, they seem to cancel out the aftertaste that each has, and work like a charm. When you purchase sweeteners, make sure to take a look at the ingredients on the packaging. You normally want the pure sweetener, rather than having fillers such as maltodextrin, dextrose, or polydextrose which can cause spik Continue reading >>
What’s The Best Artificial Sweetener?
One of the most popular questions asked by people who are just beginning the Ketogenic Diet and Lifestyle is about what they can use as a sweetener. Is aspartame okay? Or saccharine? What about Splenda? How about coconut sugar, it’s from a coconut, so it’s good, right? Honey is all natural, right? Make no mistake about it, there is a lot of confusing information out there about what sweeteners you can use. So I thought I’d take a few minutes to explain some things. First off, a little background information is needed. When assessing a sweeteners benefit to keto, the first thing that must be considered is what is known as the Glycemic Index (GI). The GI is a measure of how quickly certain foods will cause a spike in blood sugar. Spiking blood sugar will result in insulin spikes. Insulin spikes is the mechanism for type 2 diabetes, obesity, metabolic syndrome, and a host of other illnesses. So the idea behind keto is to keep the blood sugar low, and certainly to prevent any kind of spiking. The higher the number of the GI for any given food, the more insulin will be produced. Any food with a GI of 70 or higher is considered high. Below 55 is considered low. Everything else (56-69) is in the middle. Okay…now for a brief detour to talk about terms. The question is what “artificial” sweetener is best, but I’m also including some other sweeteners, known as natural sweeteners. And I show the lists separately. Any food with a value of 100 is, essentially, considered “pure sugar.” I included what I consider to be the most common sweeteners, and certainly the most common asked about sweeteners. Name Type of sweetener GI Maltodextrin Sugar 110 Maltose Sugar 105 Dextrose Sugar 100 Glucose Sugar 100 HFCS-42 (High-fructose corn syrup) Modified Sugar 68 Sucrose Sugar Continue reading >>
Are Xylitol, Sorbitol, And Other Sugar Alcohols Safe Replacements For Sugar?
In the last article of this series I discussed artificial sweeteners, and gave you my take on whether you should include them in your diet. This week, I want to talk about sugar alcohols, which are another popular low-calorie sugar substitute. Xylitol is the most popular and most extensively researched, so I’ll focus my discussion on it, but the general takeaway of this article applies to other sugar alcohols as well, such as sorbitol and erythritol. Xylitol and sorbitol are commonly used as sugar replacements, but are they safe? Here’s what you need to know! What exactly are sugar alcohols? Sugar alcohols are a type of ‘low-digestible carbohydrate,’ a category that also includes fiber and resistant starch. Sugar alcohols occur naturally in many fruits and are also known as ‘polyols,’ which you may recognize as a FODMAP. Unlike artificial sweeteners, sugar alcohols aren’t completely calorie-free, because we are able to digest and absorb them to some extent. The absorption rate varies among sugar alcohols, from about 50% for xylitol to almost 80% for sorbitol, depending on the individual. (1) Erythritol is almost completely absorbed, but is not digested, so it provides almost no calories. (2) Compared with artificial sweeteners, sugar alcohols have very few safety and toxicity studies, and are generally accepted as safe. (3) In one long-term human study, 35 participants consumed xylitol as their primary dietary sweetener for two years, and no adverse effects other than GI distress were observed, and GI symptoms dissipated after the first couple months. (4) The amount of xylitol consumed during this trial regularly exceeded 100g per day, often going over 200g per day, depending on the participant. Metabolic effects of sugar alcohols Sugar alcohols are a popu Continue reading >>
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Best Sugar Substitute For Keto? [infographic]
We’re going to be breaking these sweeteners down into 3 distinct categories in order to choose the best sugar substitute for a keto diet. Those categories are Artificial Sweeteners, Sugar Alcohols, and Natural Sweeteners. Check out our video where we touch on everything covered in this blog post and give our recommendations for the best sugar substitute for keto. Artificial Sweeteners These tend to known as intense sweeteners because they are much sweeter than regular sugar. Based on this fact, you only need a fraction of the amount you would normally use with regular sugar. This is seen as a benefit by many. They contain synthetic chemicals that stimulate the sweet taste receptors on your tongue. So, let us break down the different types of artificial sweeteners: Aspartame You might not recognize the name, but if you’ve ever used Equal, you’ve been using aspartame. Aspartame is a low calorie sweetener that is approximately 180 times sweeter than regular sugar. The components that make up this artificial sweetener are amino acid, aspartic acid and phenylalanine, which are not only broken down completely by your body, but found in larger quantities in a great deal of foods, such as meat and vegetables. Aspartame is 0 calories and 0 gylcemic index. When combined with dextrose and maltodextrin to form Equal brand sweetener the calories and glycemic index are increased based on the added ingredients. Pros: Essentially Zero calorie additive Zero glycemic index Cons: Often mixed with high glycemic bulking agents Highly controversial/opposing studies on safety Acesulfame K This artificial sweetener is used in a variety of foods and is approximately 200 times sweeter than regular sugar. It is often found in a blend with other sweeteners, such as aspartame. Blending the tw Continue reading >>
The Top Four Sweeteners For A Low-carb Keto Diet
Sugar is basically off limits on a ketogenic diet, but not all hope is lost — you CAN still enjoy sweetness while eating keto. All it takes is some education on the right types of sweeteners to use. Read on to find the top four sweeteners you can use for a low-carb keto diet and why we recommend them. What Defines a Keto-Friendly Sweetener? First, let’s start with what each of these top keto sweeteners have in common and how they follow our guidelines: Low Glycemic The glycemic index (GI) refers to how much a food raises blood sugar. It runs from zero to 100, zero representing no raise in blood sugar and insulin levels. The goal with the ketogenic diet is to remain in ketosis, so staying as close as possible to zero GI for sweeteners is the best choice. Sugar Free Obviously, avoiding added sugars is a necessity on keto. We’re training the body to burn fat for fuel instead of carbohydrates; therefore, carb intake should be kept very low. Even fruit should be severely limited, preferably eliminated, so it makes sense that anything with added sugars are a no-go. Low Carb Another obvious guideline when you’re keto: low- or no-carb sweeteners are a must if you want to stay in ketosis. Top 4 Low-Carb Keto Diet Sweeteners Now that we’ve established some guidelines, here are our top four recommendations for sweeteners on a low-carb ketogenic diet: #1 Stevia Stevia is from the extract of the herb Stevia rebaudiana. In its pure form, stevia contains no calories, no carbs and is zero on the glycemic index. Additionally, It is typically 200-300 times sweeter than table sugar, meaning you only need to use a little to get a sweet taste in foods. Benefits and Using Stevia: Besides not affecting blood sugar or contributing carbs or calories, stevia has also been shown to actu Continue reading >>
Complete Guide To Sweeteners On A Low-carb Ketogenic Diet
Most people on low-carb find that once they get used to the diet, the cravings for sugar go away. Many even claim not to use any sweeteners at all. However, you may find it hard to give up sweets, especially at the beginning. I've been researching for natural low-carb sweeteners as well as other healthy alternatives to sugar. As always, there are many sweeteners you should avoid. I personally avoid using sweeteners regularly and only use them for occasional treats. In fact, most of my recipes in KetoDiet, KetoDiet Basic and my new cookbook don't include any sweeteners at all. If your target is weight loss, sweeteners may impair your progress, as even so-called "zero-carb" sweeteners may cause cravings. If your weight is stalling, avoiding sweeteners or joining my 30-Day Clean Eating Challenge is a good way to break the weight loss plateau. You can download a print-friendly version of this guide here! Best Natural Low-carb Sweeteners Following is an overview of healthy sweeteners you could use provided your net carbs limit allows for it. People with very low net carbs limit should avoid using anything other than "zero-carb" sweeteners, like Stevia, Monk fruit sweetener or Erythritol. 1. Stevia Stevia is an herb, which is commonly known as "sugar leaf". The extract from this herb is used as a sweetener and sugar substitute. Based on the USDA database, Stevia belongs to a group of non-nutritive sweeteners. This means there are no calories, vitamins or any other nutrients. The availability of Stevia can vary from country to country. Nowadays, it is commonly used in the US and was approved for use in the EU in 2011. The health effects of Stevia have been questioned for the past few decades. However, based on recent studies of the WHO (World Health Organization), Stevia extra Continue reading >>